https://www.divi.de/plugins/system/djflipbookyootheme/yootheme/modules/flipbook/assets/js/dflip.min.js?5.0.46

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146        pdfjsWorkerSrc: "js/libs/pdf.worker.min.js",
147        threejsSrc: "js/libs/three.min.js",
148        mockupjsSrc: "js/libs/mockup.min.js",
149        soundFile: "sound/turn2.mp3",
150        imagesLocation: "images",
151        imageResourcesPath: "images/pdfjs/",
152        cMapUrl: "cmaps/",
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154        canvasToBlob: false,
155        enableAnnotation: true,
156        pdfRenderQuality: .9,
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159        backgroundImage: "",
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162        thumbElement: "div",
163        spotLightIntensity: .22,
164        ambientLightColor: "#fff",
165        ambientLightIntensity: .8,
166        shadowOpacity: .15,
167        linkTarget: t.LINK_TARGET.BLANK,
168        sharePrefix: "flipbook-"
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183            end: "touchend"
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282        getTouches: function (e, t) {
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288        angleByDistance: function (e, t) {
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290            var n = S(e, 0, t);
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293        log: function (e) {
294            if (n.enableDebugLog == true && window.console) console.log(e)
295        },
296        lowerPowerOfTwo: function (e) {
297            return Math.pow(2, Math.floor(Math.log(e) / Math.LN2))
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299        nearestPowerOfTwo: function (e, t) {
300            return Math.min(t || 2048, Math.pow(2, Math.ceil(Math.log(e) / Math.LN2)))
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325                    n(null, e)
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330        },
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334
335            function r(e, t) {
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633            html: "<span>" + u.text.play + "</span>"
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640            n.setAutoPlay(u.autoPlayStart)
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671            }
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679            html: "<span>" + u.text.toggleHelp + "</span>"
680        }).on("click", function () {
681        });
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688            c.updateSound()
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694
695        function C(e) {
696            c.search.removeClass("df-active")
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703                    e.stopPropagation()
704                }
705            });
706            window.addEventListener("click", C, false);
707            var S = i(h.div, {class: "search-container"});
708            L.append(S)
709        }
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711            if (!E.hasClass("df-active")) {
712                i(this).addClass("df-active");
713                e.stopPropagation()
714            }
715        });
716
717        function I(e) {
718            E.removeClass("df-active")
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720
721        window.addEventListener("click", I, false);
722
723        var T = i(h.div, {class: "more-container"});
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726            var O = r + " " + a + "-download " + u.icons["download"];
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731        if (!F) {
732            e.addClass("df-custom-fullscreen")
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735            var e = l.getFullscreenElement();
736            var t = n.container[0];
737            if (c.isFullscreen != true) {
738                n.container.addClass("df-fullscreen");
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740                    t.requestFullscreen()
741                } else if (t.msRequestFullscreen) {
742                    t.msRequestFullscreen()
743                } else if (t.mozRequestFullScreen) {
744                    t.mozRequestFullScreen()
745                } else if (t.webkitRequestFullscreen) {
746                    t.webkitRequestFullscreen()
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748                c.isFullscreen = true
749            } else {
750                n.container.removeClass("df-fullscreen");
751                c.isFullscreen = false;
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756                } else if (document.mozCancelFullScreen) {
757                    if (document.fullscreenElement) document.mozCancelFullScreen()
758                } else if (document.webkitExitFullscreen) {
759                    document.webkitExitFullscreen()
760                }
761            }
762            if (!l.hasFullscreenEnabled()) {
763                setTimeout(function () {
764                    n.resize()
765                }, 50)
766            }
767        };
768        var M = c.fullScreen = i(h.div, {
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770            title: u.text.toggleFullscreen,
771            html: "<span>" + u.text.toggleFullscreen + "</span>"
772        }).on("click", c.switchFullscreen);
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774            i(this).toggleClass("df-button-fit-active")
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782            html: "<span>" + u.text.share + "</span>"
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792            html: "<span>" + u.text.gotoFirstPage + "</span>"
793        }).on("click", function () {
794            n.start()
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800        }).on("click", function () {
801            n.end()
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808            n.setPageMode(!e.hasClass(u.icons["doublepage"]))
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810        n.setPageMode(n.target.pageMode == t.PAGE_MODE.SINGLE);
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812            class: r + " " + a + "-prev" + " " + a + "-alt " + u.icons["prev"],
813            title: s ? u.text.nextPage : u.text.previousPage,
814            html: "<span>" + u.text.previousPage + "</span>"
815        }).on("click", function () {
816            n.prev()
817        });
818        var G = c.altNext = i(h.div, {
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820            title: s ? u.text.previousPage : u.text.nextPage,
821            html: "<span>" + u.text.nextPage + "</span>"
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825        var q = c.thumbnail = i(h.div, {
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842            c.update(true)
843        });
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846            title: u.text.toggleOutline,
847            html: "<span>" + u.text.toggleOutline + "</span>"
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852                e.toggleClass("df-active");
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856                }
857                c.update(true)
858            }
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891                        window.dfLightBox.closeButton.trigger("click")
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906                case ge:
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952            n.target.ui = c
953        }
954        if (u.onCreateUI != null) u.onCreateUI(n)
955    };
956    var G = null;
957
958    function q() {
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960            H(t, e);
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977                if (a.spotLight.shadow) {
978                    a.spotLight.shadow.bias = -8e-4
979                }
980                a.spotLight.intensity = p(t.spotLightIntensity, n.spotLightIntensity);
981                a.ambientLight.color = new THREE.Color(p(t.ambientLightColor, n.ambientLightColor));
982                a.ambientLight.intensity = p(t.ambientLightIntensity, n.ambientLightIntensity);
983                var o = new THREE.ShadowMaterial;
984                o.opacity = p(t.shadowOpacity, n.shadowOpacity);
985                a.ground.material = o;
986                a.ground.position.z = -2;
987                a.orbitControl.maxAzimuthAngle = 0;
988                a.orbitControl.minAzimuthAngle = 0;
989                a.orbitControl.minPolarAngle = Math.PI / 2;
990                a.orbitControl.maxPolarAngle = 2.2;
991                a.orbitControl.mouseButtons.ORBIT = THREE.MOUSE.RIGHT;
992                a.orbitControl.mouseButtons.PAN = -1;
993                a.orbitControl.maxDistance = 5e3;
994                a.orbitControl.minDistance = 50;
995                a.orbitControl.noZoom = true;
996                a.selectiveRendering = true;
997                a.orbitControl.zoomSpeed = 5;
998                a.orbitControl.keyPanSpeed = 0;
999                a.orbitControl.center.set(0, 0, 0);
1000                a.orbitControl.update();
1001                a.swipe_threshold = B ? 15 : 20;
1002                var r = a.cssRenderer = new THREE.CSS3DRenderer;
1003                i(r.domElement).css({
1004                    position: "absolute",
1005                    top: 0,
1006                    pointerEvents: "none"
1007                }).addClass("df-3dcanvas df-csscanvas");
1008                a.container[0].appendChild(r.domElement);
1009                var s = a.cssScene = new THREE.Scene;
1010                var c = document.createElement("div");
1011                c.className = "df-page-content df-page-content-left";
1012                var u = document.createElement("div");
1013                u.className = "df-page-content df-page-content-right";
1014                var d = s.divLeft = new THREE.CSS3DObject(c);
1015                var h = s.divRight = new THREE.CSS3DObject(u);
1016                s.add(d);
1017                s.add(h);
1018                a.resizeCallback = function () {
1019                    r.setSize(a.canvas.width(), a.canvas.height())
1020                };
1021
1022                function g() {
1023                    a.renderRequestPending = true
1024                }
1025
1026                window.addEventListener(f.move, g, false);
1027                window.addEventListener("keyup", g, false);
1028                a.dispose = function () {
1029                    -a.clearChild();
1030                    a.render();
1031                    window.removeEventListener(f.move, g, false);
1032                    if (a.options.scrollWheel == true) {
1033                        a.container[0].removeEventListener("mousewheel", v, false);
1034                        a.container[0].removeEventListener("DOMMouseScroll", v, false)
1035                    }
1036                    window.removeEventListener("keyup", g, false);
1037                    a.renderer.domElement.removeEventListener("mousemove", m, false);
1038                    a.renderer.domElement.removeEventListener("touchmove", m, false);
1039                    a.renderer.domElement.removeEventListener("mousedown", b, false);
1040                    a.renderer.domElement.removeEventListener("touchstart", b, false);
1041                    a.renderer.domElement.removeEventListener("mouseup", x, false);
1042                    a.renderer.domElement.removeEventListener("touchend", x, false);
1043                    a.canvas.remove();
1044                    r.domElement.parentNode.removeChild(r.domElement);
1045                    r = null;
1046                    a.renderCallback = null;
1047                    a.renderCallback = null;
1048                    a.orbitControl.dispose();
1049                    a.orbitControl = null;
1050                    a.renderer.dispose();
1051                    a.cancelRAF()
1052                };
1053                a.renderCallback = function () {
1054                    if (TWEEN.getAll().length > 0) a.renderRequestPending = true;
1055                    TWEEN.update();
1056                    r.render(s, a.camera)
1057                };
1058                var v = function (e) {
1059                    var t = 0;
1060                    if (e.wheelDelta != null) {
1061                        t = e.wheelDelta
1062                    } else if (e.detail != null) {
1063                        t = -e.detail
1064                    }
1065                    if (t) {
1066                        var i = a.previewObject.contentProvider.zoomScale;
1067                        if (t > 0 && i == 1 || t < 0 && i > 1) {
1068                            e.preventDefault()
1069                        }
1070                        a.previewObject.zoom(t > 0 ? 1 : -1)
1071                    }
1072                    g()
1073                };
1074                var m = function (e) {
1075                    a.renderRequestPending = true;
1076                    e = D(e);
1077                    if (a.isMouseDown && e.movementX != 0 && e.movementY != 0) {
1078                        a.isMouseMoving = true
1079                    }
1080                    if (e.touches != null && e.touches.length == 2 && a.startTouches != null) {
1081                        a.zoomDirty = true;
1082                        var t = l.getVectorAvg(l.getTouches(e, a.container.offset())),
1083                            i = l.calculateScale(a.startTouches, l.getTouches(e)), n = i / a.lastScale;
1084                        var o = a.previewObject.contentProvider.zoomScale, r = t.x, s = t.y;
1085                        a.camera.position.z = a.originalZ / i;
1086                        a.lastScale = i;
1087                        a.lastZoomCenter = t;
1088                        e.preventDefault();
1089                        return
1090                    }
1091                    if (a.isMouseDown == true && a.previewObject.contentProvider.zoomScale == 1) {
1092                        var c = e.pageX - a.lastPos, u = performance.now() - a.lastTime;
1093                        if (Math.abs(c) > a.swipe_threshold) {
1094                            if (c < 0) {
1095                                a.target.next()
1096                            } else {
1097                                a.target.prev()
1098                            }
1099                            e.preventDefault();
1100                            a.isMouseDown = false
1101                        }
1102                        a.lastPos = e.pageX;
1103                        a.lastTime = performance.now()
1104                    }
1105                };
1106                var b = function (e) {
1107                    e = D(e);
1108                    if (e.touches != null && e.touches.length == 2 && a.startTouches == null) {
1109                        a.startTouches = l.getTouches(e);
1110                        a.lastScale = 1;
1111                        a.originalZ = a.camera.position.z * 1
1112                    }
1113                    document.activeElement.blur();
1114                    a.mouseValue = e.pageX + "," + e.pageY;
1115                    a.isMouseMoving = false;
1116                    a.isMouseDown = true;
1117                    a.lastPos = e.pageX;
1118                    a.lastTime = performance.now()
1119                };
1120                var w = function (e) {
1121                    a.isMouseDown = false;
1122                    if (e.button !== 0) return this;
1123                    var t = e.pageX + "," + e.pageY;
1124                    if (a.isMouseMoving) {
1125                    } else if (t == a.mouseValue) {
1126                        e = e || window.event;
1127                        e = i.event.fix(e);
1128                        var n = a.mouse, o = a.raycaster;
1129                        n.x = e.offsetX / a.canvas.innerWidth() * 2 - 1;
1130                        n.y = 1 - e.offsetY / a.canvas.innerHeight() * 2;
1131                        o.setFromCamera(n, a.camera);
1132                        var r = o.intersectObjects(a.target instanceof MOCKUP.Bundle ? a.target.children : [a.target], true);
1133                        if (r.length > 0) {
1134                            var s, l = 0;
1135                            do {
1136                                s = r[l] != null ? r[l].object : null;
1137                                l++
1138                            } while ((s instanceof THREE.BoxHelper || !(s instanceof MOCKUP.Paper) || s.isFlipping == true) && l < r.length);
1139                            if (s.userData.object != null) {
1140                            } else {
1141                                if (s.angles[1] > 90) {
1142                                    if (s.isEdge != true) a.target.next()
1143                                } else {
1144                                    if (s.isEdge != true) a.target.prev()
1145                                }
1146                            }
1147                        } else {
1148                        }
1149                    }
1150                };
1151                var x = function (e) {
1152                    e = D(e);
1153                    if (e.touches != null && e.touches.length == 0) {
1154                        var t = a.previewObject.contentProvider.zoomScale;
1155                        if (a.zoomDirty == true) {
1156                            a.previewObject.contentProvider.zoomScale = l.limitAt(a.previewObject.contentProvider.zoomScale * a.lastScale, 1, a.previewObject.contentProvider.maxZoom);
1157                            a.previewObject.zoomValue = a.previewObject.contentProvider.zoomScale * 1;
1158                            a.previewObject.resize();
1159                            a.zoomDirty = false
1160                        }
1161                        a.lastScale = null;
1162                        a.startTouches = null
1163                    }
1164                    if (e.touches != null && e.touches.length > 1) return;
1165                    w(e)
1166                };
1167                a.renderer.domElement.addEventListener("mousemove", m, false);
1168                a.renderer.domElement.addEventListener("touchmove", m, false);
1169                a.renderer.domElement.addEventListener("mousedown", b, false);
1170                a.renderer.domElement.addEventListener("touchstart", b, false);
1171                a.renderer.domElement.addEventListener("mouseup", x, false);
1172                a.renderer.domElement.addEventListener("touchend", x, false);
1173                if (a.options.scrollWheel == true) {
1174                    a.container[0].addEventListener("mousewheel", v, false);
1175                    a.container[0].addEventListener("DOMMouseScroll", v, false)
1176                }
1177                i(a.renderer.domElement).css({display: "block"});
1178                i(window).trigger("resize");
1179                return this
1180            }
1181
1182            t.prototype.width = function () {
1183                return this.container.width()
1184            };
1185            t.prototype.height = function () {
1186                return this.container.height()
1187            };
1188            return t
1189        }(MOCKUP.Stage);
1190        MOCKUP.PreviewStage = G;
1191        var e = function (e) {
1192            H(i, e);
1193
1194            function i(t, i) {
1195                t = t || {};
1196                t.folds = 1;
1197                e.call(this, t, i);
1198                this.angle = 0;
1199                this.isFlipping = false;
1200                this.material.materials[5].transparent = true;
1201                this.material.materials[4].transparent = true;
1202                this.type = "BookPaper"
1203            }
1204
1205            i.prototype.tween = function (e, i) {
1206                var n = this;
1207                var a = 1e-5;
1208                n.originalStiff = n.stiffness;
1209                var o = n.newStiffness;
1210                var r = A(n.parent);
1211                var s = i - e;
1212                var l = e > 90;
1213                var c = n.parent.direction == t.DIRECTION.RTL;
1214                n.init = {
1215                    angle: e,
1216                    angle2: e < 90 ? 0 : 180,
1217                    stiff: n.originalStiff,
1218                    index: l && !c || !l && c ? 1 : 0
1219                };
1220                n.first = {
1221                    angle: e + s / 4,
1222                    angle2: e < 90 ? 90 : 90,
1223                    stiff: n.originalStiff,
1224                    index: l && !c || !l && c ? 1 : .25
1225                };
1226                n.mid = {
1227                    angle: e + s * 2 / 4,
1228                    angle2: e < 90 ? 135 : 45,
1229                    stiff: n.newStiffness,
1230                    index: l && !c || !l && c ? .5 : .5
1231                };
1232                n.mid2 = {
1233                    angle: e + s * 3 / 4,
1234                    angle2: e < 90 ? 180 : 0,
1235                    stiff: n.newStiffness,
1236                    index: l && !c || !l && c ? .25 : 1
1237                };
1238                n.end = {angle: i, angle2: e < 90 ? 180 : 0, stiff: n.newStiffness, index: l && !c || !l && c ? 0 : 1};
1239                n.isFlipping = true;
1240                var u = function (e, t) {
1241                    n.angles[1] = e.angle;
1242                    n.angles[4] = n.isHard ? e.angle : e.angle2;
1243                    if (n.isHard == true) {
1244                        n.stiffness = 0
1245                    } else {
1246                        n.stiffness = e.stiff / (o + a) * (n.newStiffness + a);
1247                        n.stiffness = isNaN(n.stiffness) ? 0 : e.stiff
1248                    }
1249                    if (r) {
1250                        n.material.materials[5].opacity = n.material.materials[4].opacity = e.index;
1251                        n.castShadow = l && !c || !l && c ? e.index > .5 : e.index > .5
1252                    }
1253                    n.updateAngle(true)
1254                };
1255                if (r && (!l && !c || l && c)) {
1256                    n.material.materials[5].opacity = n.material.materials[4].opacity = 0;
1257                    n.castShadow = false
1258                }
1259                n.currentTween = new TWEEN.Tween(n.init).to({
1260                    angle: [n.first.angle, n.mid.angle, n.mid2.angle, n.end.angle],
1261                    angle2: [n.first.angle2, n.mid.angle2, n.mid2.angle2, n.end.angle2],
1262                    stiff: [n.first.stiff, n.mid.stiff, n.mid2.stiff, n.end.stiff],
1263                    index: [n.first.index, n.mid.index, n.mid2.index, n.end.index]
1264                }, n.parent.duration).onUpdate(function (e) {
1265                    u(this, e)
1266                }).easing(TWEEN.Easing.Sinusoidal.Out).onComplete(function (e) {
1267                    n.stiffness = n.newStiffness;
1268                    n.updateAngle();
1269                    n.material.materials[5].opacity = n.material.materials[4].opacity = 1;
1270                    n.castShadow = true;
1271                    n.isFlipping = false;
1272                    if (n.parent && n.parent.refresh) n.parent.refresh()
1273                }).start()
1274            };
1275            return i
1276        }(MOCKUP.FlexBoxPaper);
1277        MOCKUP.BookPaper = e;
1278        var a = function (e) {
1279            H(i, e);
1280
1281            function i(i, n) {
1282                i = i || {};
1283                i.segments = i.segments || 50;
1284                this.pageCount = i.pageCount;
1285                this.height = i.height;
1286                this.width = i.width;
1287                this.direction = i.direction || t.DIRECTION.LTR;
1288                this.startPage = 1;
1289                this.endPage = this.pageCount;
1290                this.stackCount = i.stackCount || 6;
1291                this.materials = [];
1292                e.call(this, i, n);
1293                this.angles = [0, 0, 0, 0, 0, 0];
1294                this.stiffness = i.stiffness == null ? 1.5 : i.stiffness;
1295                this.hardConfig = i.hard;
1296                this._activePage = i.openPage || this.startPage;
1297                this.createStack(i);
1298                this.pageMode = i.pageMode || (B || this.pageCount <= 2 ? t.PAGE_MODE.SINGLE : t.PAGE_MODE.DOUBLE);
1299                this.singlePageMode = i.singlePageMode || (B ? t.SINGLE_PAGE_MODE.BOOKLET : t.SINGLE_PAGE_MODE.ZOOM);
1300                this.type = "Book"
1301            }
1302
1303            i.prototype.getPageByNumber = function (e) {
1304                var t = A(this) ? z(this) ? e + 1 : e : Math.floor((e - 1) / 2);
1305                return this.getObjectByName(t.toString())
1306            };
1307            i.prototype.isPageHard = function (e) {
1308                return l.isHardPage(this.hardConfig, e, this.pageCount)
1309            };
1310            i.prototype.activePage = function (e) {
1311                if (e == null) return this._activePage;
1312                this.gotoPage(e)
1313            };
1314            i.prototype.gotoPage = function (e) {
1315                e = parseInt(e, 10);
1316                this._activePage = e;
1317                if (this.autoPlay == true) {
1318                    this.previewObject.setAutoPlay(this.autoPlay)
1319                }
1320                this.updatePage(e);
1321                if (this && this.thumblist && this.thumblist.review) this.thumblist.review()
1322            };
1323            i.prototype.moveBy = function (e) {
1324                var t = this._activePage + e;
1325                t = S(t, this.startPage, this.endPage);
1326                if (this.firstFlipped != true) {
1327                    this.previewObject.analytics({eventAction: "First Page Flip", options: this.previewObject.options});
1328                    this.firstFlipped = true
1329                }
1330                this.gotoPage(t)
1331            };
1332            i.prototype.next = function (e) {
1333                if (e == null) e = this.direction == t.DIRECTION.RTL ? -this.pageMode : this.pageMode;
1334                this.moveBy(e)
1335            };
1336            i.prototype.prev = function (e) {
1337                if (e == null) e = this.direction == t.DIRECTION.RTL ? this.pageMode : -this.pageMode;
1338                this.moveBy(e)
1339            };
1340            i.prototype.updateAngle = function () {
1341                var e = this.angles[1];
1342                var t = this.angles[4];
1343                var i = t - e;
1344                var n = this.stackCount;
1345                for (var a = 0; a < n; a++) {
1346                    var o = this.children[a];
1347                    o.angles[1] = e + a * i / (n * 100);
1348                    o.stiffness = this.stiffness;
1349                    o.updateAngle()
1350                }
1351            };
1352            i.prototype.refresh = function () {
1353                this.updatePage(this._activePage);
1354                if (this.flipCallback != null) this.flipCallback()
1355            };
1356            i.prototype.updatePage = function (e) {
1357                var i = this.direction == t.DIRECTION.RTL, a = A(this), o = F(e);
1358                var r = a ? 1 : 2;
1359                e = Math.floor(e / r);
1360                if (i) e = Math.ceil(this.pageCount / r) - e;
1361                var s = this.oldBaseNumber || 0;
1362                var l = this.pageCount / r;
1363                var c = this.stackCount;
1364                var u = .02;
1365                var d = .4;
1366                var f = a ? 0 : (.5 - Math.abs(l / 2 - e) / l) / this.stiffness;
1367                var h = 1;
1368                var p = Math.floor(c / 2);
1369                var g = false;
1370                if (s > e) {
1371                    g = true;
1372                    this.children[c - 1].skipFlip = true;
1373                    this.children.unshift(this.children.pop())
1374                } else if (s < e) {
1375                    this.children[0].skipFlip = true;
1376                    this.children.push(this.children.shift())
1377                }
1378                var v = l - e;
1379                var m = 5 / l;
1380                var b = m * e / 2;
1381                var w = m * v / 2;
1382                var x = b < w ? w : b;
1383                for (var P = 0; P < c; P++) {
1384                    var y = this.children[P];
1385                    var C = y.color;
1386                    var L = y.angles[1];
1387                    var S;
1388                    var E = e - p + P;
1389                    if (i) E = a ? this.pageCount - E : Math.ceil(this.pageCount / 2) - E - 1;
1390                    var I = y.isHard = this.isPageHard(E);
1391                    var T = y.name;
1392                    y.isEdge = false;
1393                    if (P == 0) {
1394                        y.depth = b < d ? d : b
1395                    } else if (P == c - 1) {
1396                        y.depth = w < d ? d : w
1397                    } else {
1398                        y.depth = d;
1399                        y.isEdge = false
1400                    }
1401                    if (y.isFlipping == true) {
1402                        y.depth = d
1403                    }
1404                    y.position.x = 0;
1405                    var k = u * P, O = 180 - u * (P - p) + u * P;
1406                    if (P < p) {
1407                        y.newStiffness = I || this.stiffness == 0 ? 0 : f / (e / l) / 4;
1408                        S = k;
1409                        y.position.z = x - (-P + p) * d;
1410                        if (g == true) y.position.z -= d
1411                    } else {
1412                        S = O;
1413                        y.newStiffness = I || this.stiffness == 0 ? 0 : f / (Math.abs(l - e) / l) / 4;
1414                        y.position.z = x - (-c + P + p + 1) * d - y.depth
1415                    }
1416                    if (y.isFlipping == false) {
1417                        if (Math.abs(L - S) > 20 && y.skipFlip == false) {
1418                            y.depth = d;
1419                            var R = y.stiffness;
1420                            if (L > S) {
1421                                R = f / (Math.abs(l - e) / l) / 4
1422                            } else {
1423                                R = f / (e / l) / 4
1424                            }
1425                            y.position.z += d;
1426                            y.stiffness = isNaN(R) ? y.stiffness : R;
1427                            y.updateAngle(true);
1428                            y.targetStiffness = I ? 0 : P < e ? f / (Math.abs(l - e) / l) / 4 : f / (e / l) / 4;
1429                            y.targetStiffness = I ? 0 : isNaN(y.targetStiffness) ? y.stiffness : y.targetStiffness;
1430                            y.isFlipping = true;
1431                            y.tween(L, S);
1432                            if (this.preFlipCallback != null) this.preFlipCallback()
1433                        } else {
1434                            y.skipFlip = false;
1435                            y.newStiffness = isNaN(y.newStiffness) ? 0 : y.newStiffness;
1436                            if (y.angles[1] != S || y.stiffness != y.newStiffness || y.depth != y.oldDepth) {
1437                                y.angles[1] = y.angles[4] = S;
1438                                y.stiffness = y.newStiffness;
1439                                y.updateAngle(true)
1440                            } else {
1441                            }
1442                        }
1443                    }
1444                    y.visible = a ? i ? P < p || y.isFlipping : P >= p || y.isFlipping : E >= 0 && E < l || a && E == l;
1445                    if (this.requestPage != null) {
1446                        y.name = E.toString();
1447                        if (y.name != T) {
1448                            y.textureLoaded = false;
1449                            y.frontImage(n.textureLoadFallback);
1450                            y.frontPageStamp = "-1";
1451                            y.frontTextureLoaded = false;
1452                            y.thumbLoaded = false;
1453                            y.backImage(n.textureLoadFallback);
1454                            y.backPageStamp = "-1";
1455                            y.backTextureLoaded = false;
1456                            this.requestPage()
1457                        }
1458                    }
1459                    y.oldDepth = y.depth;
1460                    var M = Math.abs(y.geometry.boundingBox.max.x) < Math.abs(y.geometry.boundingBox.min.x) ? y.geometry.boundingBox.max.x : y.geometry.boundingBox.min.x;
1461                    y.position.x = y.isEdge == true && y.isFlipping == false ? P < p ? M : -M : 0
1462                }
1463                this.oldBaseNumber = e;
1464                if (this.updatePageCallback != null) this.updatePageCallback()
1465            };
1466            i.prototype.createCover = function (e) {
1467                e.width = e.width * 2;
1468                this.cover = new MOCKUP.BiFold(e);
1469                this.add(this.cover)
1470            };
1471            i.prototype.createStack = function (e) {
1472                var t = "red,green,blue,yellow,orange,black".split(",");
1473                for (var i = 0; i < this.stackCount; i++) {
1474                    e.angles = [, this.stackCount - i];
1475                    e.stiffness = (this.stackCount - i) / 100;
1476                    var n = new MOCKUP.BookPaper(e);
1477                    n.angles[1] = 180;
1478                    n.index = i;
1479                    n.updateAngle();
1480                    n.textureReady = false;
1481                    n.textureRequested = false;
1482                    this.add(n);
1483                    n.color = t[i];
1484                    n.position.z = -1 * i
1485                }
1486            };
1487            i.prototype.shininess = function (e) {
1488                if (e == null) {
1489                    return this.mainObject.shininess()
1490                } else {
1491                    this.mainObject.shininess(e)
1492                }
1493            };
1494            i.prototype.bumpScale = function (e) {
1495                if (e == null) {
1496                    return this.mainObject.bumpScale()
1497                } else {
1498                    this.mainObject.bumpScale(e)
1499                }
1500            };
1501            i.prototype.frontImage = function (e) {
1502                if (e == null) {
1503                    return this.mainObject.frontImage()
1504                } else {
1505                    this.mainObject.frontImage(e)
1506                }
1507            };
1508            i.prototype.backImage = function (e) {
1509                if (e == null) {
1510                    return this.mainObject.backImage()
1511                } else {
1512                    this.mainObject.backImage(e)
1513                }
1514            };
1515            return i
1516        }(MOCKUP.Bundle);
1517        MOCKUP.Book = a
1518    }
1519
1520    var Z = function (e) {
1521        function n(e) {
1522            e = e || {};
1523            this.type = "PreviewObject";
1524            var i = this;
1525            i.zoomValue = 1;
1526
1527            function n() {
1528                setTimeout(function () {
1529                    i.resize()
1530                }, 50)
1531            }
1532
1533            window.addEventListener("resize", n, false);
1534            this.sound = document.createElement("audio");
1535            this.sound.setAttribute("src", e.soundFile + "?ver=" + t.version);
1536            this.sound.setAttribute("type", "audio/mpeg");
1537            this.autoPlayFunction = function () {
1538                if (i && i.target.autoPlay) {
1539                    if (i.target.direction == t.DIRECTION.RTL) i.target.prev(); else i.target.next()
1540                }
1541            };
1542            this.dispose = function () {
1543                clearInterval(this.autoPlayTimer);
1544                this.autoPlayTimer = null;
1545                this.autoPlayFunction = null;
1546                if (this.target && this.target.children) {
1547                    for (var e = 0; e < this.target.children.length; e++) {
1548                        var t = this.target.children[e];
1549                        if (t && t.currentTween) t.currentTween.stop()
1550                    }
1551                }
1552                if (this.zoomTween) {
1553                    if (this.zoomTween.stop) this.zoomTween.stop();
1554                    this.zoomTween = null
1555                }
1556                if (this.container && this.container.info && this.container.info.remove) this.container.info.remove();
1557                if (this.target && this.target.dispose) this.target.dispose();
1558                this.target = null;
1559                if (this.stage && this.stage.dispose) this.stage.dispose();
1560                this.stage = null;
1561                if (this.ui && this.ui.dispose) this.ui.dispose();
1562                this.ui = null;
1563                if (this.contentProvider && this.contentProvider.dispose) this.contentProvider.dispose();
1564                this.contentProvider = null;
1565                window.removeEventListener("resize", n)
1566            }
1567        }
1568
1569        n.prototype = {
1570            start: function () {
1571                this.target.gotoPage(this.target.startPage)
1572            }, end: function () {
1573                this.target.gotoPage(this.target.endPage)
1574            }, next: function () {
1575            }, prev: function () {
1576            }, getPageTextContent: function (e) {
1577                return this.contentProvider.pdfDocument.getPage(e + 1).then(function (e) {
1578                    return e.getTextContent({normalizeWhitespace: true})
1579                })
1580            }, calculateSize: function (e, t, i, n, a, o, r, s) {
1581                var l = e;
1582                var c = t - a;
1583                var u = l - n;
1584                var d = Math.ceil(s ? c : c / 2);
1585                var f = d / r;
1586                var h = null;
1587                if (o) {
1588                    h = Math.min(f, i - n);
1589                    l = h
1590                } else {
1591                    h = Math.min(u, i - n)
1592                }
1593                var p = f > h;
1594                var g, v;
1595                if (p) {
1596                    v = h;
1597                    g = Math.floor(v * r)
1598                } else {
1599                    g = d;
1600                    v = Math.ceil(d / r)
1601                }
1602                if (o) {
1603                    l = Math.max(v + n, 320)
1604                }
1605                return {stageHeight: l, isWide: p, height: v, width: g}
1606            }, zoom: function (e) {
1607                this.pendingZoom = true;
1608                this.zoomDelta = e;
1609                this.resize();
1610                if (this.ui) this.ui.update()
1611            }, resize: function () {
1612                var e = this;
1613                if (e.target == null || e.target.ui == null || e.target.contentProvider == null || e.target.contentProvider.viewport == null || e.target.stage == null) return;
1614                if (this.ui && this.ui.isFullscreen == true && l.hasFullscreenEnabled() == true && l.getFullscreenElement() == null) {
1615                    this.ui.switchFullscreen()
1616                }
1617                var n = e.target, a = e.container, o = e.options, r = n.stage, s = n.contentProvider, u = s.pageRatio,
1618                    d = s.zoomViewport, f = z(n), h = n.mode !== "css", p = s.pageRatio > 1,
1619                    g = this.ui.isFullscreen == true ? false : o.height === "auto", v, m, b, w, x, P, y,
1620                    C = a.hasClass("df-sidemenu-open") ? 220 : 0, L = this.target.pageMode == t.PAGE_MODE.SINGLE;
1621                var I = a.width();
1622                if (I < 400) {
1623                    e.container.addClass("df-xs")
1624                } else {
1625                    e.container.removeClass("df-xs")
1626                }
1627                var T = a.find(".df-ui-controls").height();
1628                var k = o.paddingTop + (o.controlsPosition == t.CONTROLSPOSITION.TOP ? T : 0), O = o.paddingRight,
1629                    R = o.paddingBottom + (o.controlsPosition == t.CONTROLSPOSITION.BOTTOM ? T : 0), F = o.paddingLeft;
1630                k = isNaN(k) ? 0 : S(k, 0, k), R = isNaN(R) ? 0 : S(R, 0, R), F = isNaN(F) ? 0 : S(F, 0, F), O = isNaN(O) ? 0 : S(O, 0, O);
1631                var M = k + R, D = F + O;
1632                var N = I - C;
1633                a.height(o.height);
1634                var A = i(window).height();
1635                var B = Math.min(a.height(), A);
1636                var j = e.calculateSize(B, N, A, M, D, g, u, L);
1637                if (g) {
1638                    B = _ = e.calculateSize(B, N + C, A, M, D, g, u, L).stageHeight
1639                } else {
1640                    B = _ = j.stageHeight
1641                }
1642                a.height(B);
1643                var _ = B;
1644                var U = N - D, H = _ - M;
1645                b = Math.floor(L ? U : U / 2);
1646                m = Math.floor(b / u);
1647                v = m > H;
1648                if (v) {
1649                    m = H;
1650                    b = m * u
1651                }
1652                y = s.maxZoom = s.zoomViewport.height / m;
1653                if (e.zoomValue == null) e.zoomValue = 1;
1654                if (s.zoomScale == null) s.zoomScale = 1;
1655                if (e.pendingZoom == true && e.zoomDelta != null) {
1656                    var W = e.zoomDelta, V, G = Math.max(m, b);
1657                    e.zoomValue = e.zoomDelta > 0 ? e.zoomValue * e.options.zoomRatio : e.zoomValue / e.options.zoomRatio;
1658                    e.zoomValue = S(e.zoomValue, 1, y);
1659                    if (e.zoomValue == 1) {
1660                        s.zoomScale = 1
1661                    } else {
1662                        s.zoomScale = S(e.zoomValue, 1, y)
1663                    }
1664                }
1665                P = s.zoomScale;
1666                s.checkViewportSize(b, m, P);
1667                if (s.contentSourceType == c.PDF) {
1668                    b = s.imageViewport.width / P;
1669                    m = s.imageViewport.height / P
1670                }
1671                if (s.zoomScale != 1) {
1672                    this.target.container.addClass("df-zoom-enabled")
1673                }
1674                var q = n.zoomWidth = Math.floor(b * P), Z = n.zoomHeight = Math.floor(m * P);
1675                var Y = q * 2;
1676                if (h) {
1677                    var K = Z / n.height, X = N / _;
1678                    var Q = P * (m + M) / K, $ = P * (b * (L ? 1 : 2) + D) / K;
1679                    var J = v ? Q : $ / X;
1680                    r.resizeCanvas(N, _);
1681                    w = 1 / (2 * Math.tan(Math.PI * r.camera.fov * .5 / 180) / (J / P)) + 2.2;
1682                    r.camera.updateProjectionMatrix();
1683                    r.renderRequestPending = true;
1684                    var ee = (k - R) * (n.height / m) / P / 2;
1685                    var te = s.zoomScale == 1;
1686                    if (r.camera.position.z !== w && e.pendingZoom == true) {
1687                        if (e.zoomTween != null) e.zoomTween.stop();
1688                        e.zoomTween = new TWEEN.Tween({
1689                            campos: r.camera.position.z,
1690                            otx: r.orbitControl.target.x,
1691                            oty: r.orbitControl.target.y,
1692                            otz: r.orbitControl.target.z
1693                        }).delay(0).to({campos: w, otx: 0, oty: ee, otz: 0}, 100).onUpdate(function () {
1694                            r.camera.position.z = this.campos;
1695                            if (te) {
1696                                r.camera.position.y = this.oty;
1697                                r.orbitControl.target = new THREE.Vector3(this.otx, this.oty, this.otz)
1698                            }
1699                            r.orbitControl.update()
1700                        }).easing(TWEEN.Easing.Linear.None).onComplete(function () {
1701                            r.camera.position.z = w;
1702                            if (s.zoomScale == 1) {
1703                                r.camera.position.set(0, ee, w);
1704                                r.orbitControl.target = new THREE.Vector3(0, ee, 0)
1705                            }
1706                            r.orbitControl.update()
1707                        }).start()
1708                    } else {
1709                        if (s.zoomScale == 1) {
1710                            r.camera.position.set(0, ee, w);
1711                            r.orbitControl.target = new THREE.Vector3(0, ee, 0)
1712                        }
1713                        r.orbitControl.update()
1714                    }
1715                    r.orbitControl.update();
1716                    r.orbitControl.mouseButtons.ORBIT = P != 1 ? -1 : THREE.MOUSE.RIGHT;
1717                    r.orbitControl.mouseButtons.PAN = P != 1 ? THREE.MOUSE.LEFT : -1
1718                } else {
1719                    n.pageWidth = Math.round(b);
1720                    n.fullWidth = n.pageWidth * 2;
1721                    n.height = Math.round(m);
1722                    var ie = n.shiftHeight = Math.round(S((Z - _ + M) / 2, 0, Z)),
1723                        ne = n.shiftWidth = Math.round(S((Y - N + D) / 2, 0, Y));
1724                    if (P == 1) {
1725                        n.left = 0;
1726                        n.top = 0
1727                    }
1728                    n.stage.css({
1729                        top: -ie,
1730                        bottom: -ie,
1731                        right: -ne + (f ? C : 0),
1732                        left: -ne + (f ? 0 : C),
1733                        paddingTop: k,
1734                        paddingRight: O,
1735                        paddingBottom: R,
1736                        paddingLeft: F,
1737                        transform: "translate3d(" + n.left + "px," + n.top + "px,0)"
1738                    });
1739                    n.stageHeight = r.height();
1740                    n.wrapper.css({width: Y, height: Z, marginTop: B - Z - M > 0 ? (B - M - Z) / 2 : 0});
1741                    var ae = Math.floor(E(b, m) * P);
1742                    n.stage.find(".df-page-wrapper").width(ae).height(ae);
1743                    n.stage.find(".df-book-page, .df-page-front , .df-page-back, .df-page-fold-inner-shadow").height(Z).width(q)
1744                }
1745                e.checkCenter({type: "resize"});
1746                if (s.zoomScale == 1) {
1747                    this.target.container.removeClass("df-zoom-enabled")
1748                }
1749                if (n.thumblist) {
1750                    n.thumblist.reset(i(n.thumblist.container).height())
1751                }
1752                e.pendingZoom = false
1753            }, playSound: function () {
1754                try {
1755                    if (this.options && this.options.soundEnable == true) {
1756                        this.sound.currentTime = 0;
1757                        this.sound.play()
1758                    }
1759                } catch (e) {
1760                }
1761            }, setPageMode: function (e) {
1762                if (e == true) {
1763                    this.ui.pageMode.addClass(this.options.icons["doublepage"]);
1764                    this.ui.pageMode.html("<span>" + this.options.text.doublePageMode + "</span>");
1765                    this.ui.pageMode.attr("title", this.options.text.doublePageMode);
1766                    this.target.pageMode = t.PAGE_MODE.SINGLE
1767                } else {
1768                    this.ui.pageMode.removeClass(this.options.icons["doublepage"]);
1769                    this.ui.pageMode.html("<span>" + this.options.text.singlePageMode + "</span>");
1770                    this.ui.pageMode.attr("title", this.options.text.singlePageMode);
1771                    this.target.pageMode = t.PAGE_MODE.DOUBLE
1772                }
1773                if (this.target && this.target.singlePageMode == t.SINGLE_PAGE_MODE.BOOKLET) {
1774                    this.target.reset()
1775                }
1776                this.resize()
1777            }, setAutoPlay: function (e) {
1778                if (this.options.autoPlay) {
1779                    e = e == true;
1780                    var t = e ? this.options.text.pause : this.options.text.play;
1781                    this.ui.play.toggleClass(this.options.icons["pause"], e);
1782                    this.ui.play.html("<span>" + t + "</span>");
1783                    this.ui.play.attr("title", t);
1784                    clearInterval(this.autoPlayTimer);
1785                    if (e) {
1786                        this.autoPlayTimer = setInterval(this.autoPlayFunction, this.options.autoPlayDuration)
1787                    }
1788                    this.target.autoPlay = e
1789                }
1790            }, height: function (e) {
1791                if (e == null) {
1792                    return this.container.height()
1793                } else {
1794                    this.options.height = e;
1795                    this.container.height(e);
1796                    this.resize()
1797                }
1798            }, checkCenter: function (e) {
1799                e = e == null ? {} : e;
1800                this.centerType = this.centerType || "start";
1801                var i = this.target;
1802                var n = 0, a = 0, o = 0;
1803                var r = l.getBasePage(i._activePage);
1804                var s = i._activePage % 2 == 0;
1805                var c = i.direction == t.DIRECTION.RTL;
1806                var u = i.pageMode == t.PAGE_MODE.SINGLE, d = u && i.singlePageMode == t.SINGLE_PAGE_MODE.BOOKLET;
1807                var f = i.stage.width(), h;
1808                if (i.mode == "css") {
1809                    h = i.wrapper.width();
1810                    n = Math.max((h - f) / 2, 0);
1811                    a = -h / 4;
1812                    o = h / 4;
1813                    if (r == 0 || d) {
1814                        i.wrapper.css({left: u ? c ? o - n : a - n : c ? o : a});
1815                        i.shadow.css({width: "50%", left: c ? 0 : "50%", transitionDelay: ""})
1816                    } else if (r == i.pageCount) {
1817                        i.wrapper.css({left: u ? c ? a - n : o - n : c ? a : o});
1818                        i.shadow.css({width: "50%", left: c ? "50%" : 0, transitionDelay: ""})
1819                    } else {
1820                        i.wrapper.css({left: u ? c ? s ? a - n : o - n : s ? o - n : a - n : 0});
1821                        i.shadow.css({width: "100%", left: 0, transitionDelay: parseInt(i.duration, 10) + 50 + "ms"})
1822                    }
1823                    i.wrapper.css({transition: e.type == "resize" ? "none" : ""})
1824                } else if (i.stage != null) {
1825                    var p = i.position.x, g;
1826                    n = i.width / 4;
1827                    h = i.width;
1828                    a = -h / 2;
1829                    o = h / 2;
1830                    if (r == 0 || d) {
1831                        g = c ? o : a
1832                    } else if (r == i.pageCount) {
1833                        g = c ? a : o
1834                    } else {
1835                        g = u ? c ? s ? a : o : s ? o : a : 0
1836                    }
1837                    if (g !== this.centerEnd) {
1838                        this.centerTween = new TWEEN.Tween({x: p}).delay(0).to({x: g}, i.duration).onUpdate(function () {
1839                            i.position.x = this.x;
1840                            i.stage.cssScene.position.x = this.x
1841                        }).easing(i.ease).start();
1842                        this.centerEnd = g
1843                    }
1844                }
1845            }, width: function (e) {
1846                if (e == null) {
1847                    return this.container.width()
1848                } else {
1849                    this.options.width = e;
1850                    this.container.width(e);
1851                    this.resize()
1852                }
1853            }
1854        };
1855        return n
1856    }({});
1857    t.PreviewObject = Z;
1858    var Y = function (e) {
1859        H(a, e);
1860
1861        function a(e, a, o, r) {
1862            o = o || {};
1863            var s = this;
1864            s.contentRawSource = e || [n.textureLoadFallback];
1865            s.contentSource = s.contentRawSource;
1866            s.contentSourceType = null;
1867            s.minDimension = o.minTextureSize || 256;
1868            s.maxDimension = o.maxTextureSize || 2048;
1869            s.pdfRenderQuality = o.pdfRenderQuality || t.defaults.pdfRenderQuality;
1870            s.flipbook = r;
1871            s.waitPeriod = 50;
1872            s.maxLength = 297;
1873            s.enableDebug = false;
1874            s.zoomScale = 1;
1875            s.maxZoom = 2;
1876            s.options = o;
1877            s.outline = o.outline;
1878            s.links = o.links;
1879            s.html = o.html;
1880            s.isCrossOrigin = o.isCrossOrigin;
1881            s.normalViewport = {height: 297, width: 210, scale: 1};
1882            s.viewport = {height: 297, width: 210, scale: 1};
1883            s.imageViewport = {height: 297, width: 210, scale: 1};
1884            s.bookSize = {height: 297, width: 210};
1885            s.zoomViewport = {height: 297, width: 210};
1886            s.thumbsize = 128;
1887            s.cacheIndex = 256;
1888            s.cache = [];
1889            s.pageRatio = o.pageRatio || s.viewport.width / s.viewport.height;
1890            s.textureLoadTimeOut = null;
1891            s.type = "TextureLibrary";
1892            if (Array === s.contentSource.constructor || Array.isArray(s.contentSource) || s.contentSource instanceof Array) {
1893                s.contentSourceType = c.IMAGE;
1894                s.pageCount = s.contentSource.length;
1895                for (var u = 0; u < s.contentSource.length; u++) {
1896                    s.contentSource[u] = l.httpsCorrection(s.contentSource[u].toString())
1897                }
1898                i("<img/>").attr("src", s.contentSource[0]).on("load", function () {
1899                    s.viewport.height = this.height;
1900                    s.viewport.width = this.width;
1901                    s.pageRatio = s.viewport.width / s.viewport.height;
1902                    s.bookSize = {
1903                        width: (s.pageRatio > 1 ? 1 : s.pageRatio) * s.maxLength,
1904                        height: s.maxLength / (s.pageRatio < 1 ? 1 : s.pageRatio)
1905                    };
1906                    s.zoomViewport = {
1907                        width: (s.pageRatio > 1 ? 1 : s.pageRatio) * s.maxDimension,
1908                        height: s.maxDimension / (s.pageRatio < 1 ? 1 : s.pageRatio)
1909                    };
1910                    s.linkService = new PDFLinkService;
1911                    i(this).off();
1912                    if (s.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL) {
1913                        s.pageCount = s.contentSource.length * 2 - 2;
1914                        if (s.options.webgl == true) s.requiresImageTextureScaling = true
1915                    }
1916                    if (a != null) {
1917                        a(s);
1918                        a = null
1919                    }
1920                    k(this.height + ":" + this.width)
1921                })
1922            } else if (typeof s.contentSource == "string" || s.contentSource instanceof String) {
1923                var d = function () {
1924                    if (s.contentSource.indexOf(".base64") > 1) {
1925                        i.ajax({
1926                            url: s.contentSource, xhrFields: {
1927                                onprogress: function (e) {
1928                                    if (e.lengthComputable) {
1929                                        var t = 100 * e.loaded / e.total;
1930                                        s.updateInfo(s.options.text.loading + " PDF " + t.toString().split(".")[0] + "% ...")
1931                                    }
1932                                }
1933                            }, success: function (e) {
1934                                s.options.docParameters = {data: atob(e)};
1935                                f()
1936                            }
1937                        })
1938                    } else {
1939                        f()
1940                    }
1941                };
1942                var f = function () {
1943                    if (s) {
1944                        pdfjsLib.GlobalWorkerOptions.workerSrc = n.pdfjsWorkerSrc;
1945                        s.contentSourceType = c.PDF;
1946                        var i = s.options.disableFontFace;
1947                        if (_ || U || s.options.disableFontFace == true) {
1948                        }
1949                        var o = s.loading = pdfjsLib.getDocument(s.options.docParameters ? s.options.docParameters : {
1950                            url: l.httpsCorrection(e),
1951                            rangeChunkSize: isNaN(s.options.rangeChunkSize) ? 524288 : s.options.rangeChunkSize,
1952                            cMapUrl: n.cMapUrl,
1953                            cMapPacked: true,
1954                            imageResourcesPath: n.imageResourcesPath,
1955                            disableAutoFetch: true,
1956                            disableStream: true,
1957                            disableFontFace: i
1958                        });
1959                        o.promise.then(function e(i) {
1960                            s.pdfDocument = i;
1961                            i.getPage(1).then(function (e) {
1962                                s.normalViewport = e.getViewport({scale: 1});
1963                                s.viewport = e.getViewport({scale: 1});
1964                                s.viewport.height = s.viewport.height / 10;
1965                                s.viewport.width = s.viewport.width / 10;
1966                                s.pageRatio = s.viewport.width / s.viewport.height;
1967                                s.bookSize = {
1968                                    width: (s.pageRatio > 1 ? 1 : s.pageRatio) * s.maxLength,
1969                                    height: s.maxLength / (s.pageRatio < 1 ? 1 : s.pageRatio)
1970                                };
1971                                s.zoomViewport = {
1972                                    width: (s.pageRatio > 1 ? 1 : s.pageRatio) * s.maxDimension,
1973                                    height: s.maxDimension / (s.pageRatio < 1 ? 1 : s.pageRatio)
1974                                };
1975                                s.refPage = e;
1976                                if (i.numPages > 1) {
1977                                    i.getPage(2).then(function (e) {
1978                                        if (s.options.pageSize == t.PAGE_SIZE.AUTO) {
1979                                            var n = e.getViewport({scale: 1});
1980                                            var o = n.width / n.height;
1981                                            if (o > s.pageRatio * 1.5) {
1982                                                s.options.pageSize = t.PAGE_SIZE.DOUBLEINTERNAL;
1983                                                s.pageCount = i.numPages * 2 - 2
1984                                            } else {
1985                                                s.options.pageSize = t.PAGE_SIZE.SINGLE
1986                                            }
1987                                        }
1988                                        if (a != null) {
1989                                            a(s);
1990                                            a = null
1991                                        }
1992                                    })
1993                                } else {
1994                                    if (a != null) {
1995                                        a(s);
1996                                        a = null
1997                                    }
1998                                }
1999                            });
2000                            s.linkService = new PDFLinkService;
2001                            s.linkService.setDocument(i, null);
2002                            s.pageCount = i.numPages;
2003                            s.contentSource = i
2004                        }, function e(t) {
2005                            if (s) {
2006                                var i = "", n = document.createElement("a");
2007                                n.href = s.contentSource;
2008                                if (n.hostname !== window.location.hostname) i = "CROSS ORIGIN!! ";
2009                                s.updateInfo(i + "Cannot access file!  " + s.contentSource)
2010                            }
2011                        });
2012                        o.onProgress = function e(t) {
2013                            if (s) {
2014                                var i = 100 * t.loaded / t.total;
2015                                if (isNaN(i)) {
2016                                    if (t && t.loaded) {
2017                                        s.updateInfo(s.options.text.loading + " PDF " + (Math.ceil(t.loaded / 1e4) / 100).toString() + "MB ...")
2018                                    } else {
2019                                        s.updateInfo(s.options.text.loading + " PDF ...")
2020                                    }
2021                                } else {
2022                                    s.updateInfo(s.options.text.loading + " PDF " + i.toString().split(".")[0] + "% ...")
2023                                }
2024                            }
2025                        }
2026                    }
2027                };
2028                var h = function () {
2029                    if (s) {
2030                        if (n.pdfjsWorkerSrc.indexOf("?ver") < 0) n.pdfjsWorkerSrc += "?ver=" + t.version;
2031                        s.updateInfo(s.options.text.loading + " PDF Worker ...");
2032                        var e = document.createElement("a");
2033                        e.href = n.pdfjsWorkerSrc;
2034                        if (e.hostname !== window.location.hostname) {
2035                            s.updateInfo(s.options.text.loading + " PDF Worker CORS ...");
2036                            i.ajax({
2037                                url: n.pdfjsWorkerSrc, cache: true, success: function (e) {
2038                                    n.pdfjsWorkerSrc = t.createObjectURL(e, "text/javascript");
2039                                    d()
2040                                }
2041                            })
2042                        } else {
2043                            d()
2044                        }
2045                    }
2046                };
2047                if (window.pdfjsLib == null) {
2048                    if (s) {
2049                        s.updateInfo(s.options.text.loading + " PDF Service ...");
2050                        M(n.pdfjsSrc + "?ver=" + t.version, function () {
2051                            if (typeof define === "function" && define.amd && window.requirejs) {
2052                                s.updateInfo(s.options.text.loading + " PDF Service (require) ...");
2053                                require.config({paths: {"pdfjs-dist/build/pdf.worker": n.pdfjsWorkerSrc.replace(".js", "")}});
2054                                require(["pdfjs-dist/build/pdf"], function (e) {
2055                                    window.pdfjsLib = e;
2056                                    h()
2057                                })
2058                            } else if (typeof exports === "object" && exports["pdfjs-dist/build/pdf"] != null) {
2059                                window.pdfjsLib = exports["pdfjs-dist/build/pdf"];
2060                                h()
2061                            } else {
2062                                h()
2063                            }
2064                        }, function () {
2065                            s.updateInfo("Unable to load PDF service..")
2066                        })
2067                    }
2068                } else {
2069                    d()
2070                }
2071            } else {
2072                console.error("Unknown source type. Please check documentation for help")
2073            }
2074            this.dispose = function () {
2075                if (s.loading && s.loading.destroy) {
2076                    s.loading.destroy()
2077                }
2078                s.loading = null;
2079                if (s.textureLoadTimeOut) {
2080                    clearTimeout(s.textureLoadTimeOut);
2081                    s.textureLoadTimeOut = null
2082                }
2083                if (this.targetObject) {
2084                    if (this.targetObject.thumbContainer && this.targetObject.thumbContainer.remove) this.targetObject.thumbContainer.remove();
2085                    if (this.targetObject.outlineContainer && this.targetObject.outlineContainer.remove) this.targetObject.outlineContainer.remove();
2086                    if (this.targetObject.dispose) this.targetObject.dispose();
2087                    this.targetObject.processPage = null;
2088                    this.targetObject.requestPage = null;
2089                    if (this.targetObject.container && this.targetObject.container.off) this.targetObject.container.off()
2090                }
2091                if (this.pdfDocument && this.pdfDocument.destroy) this.pdfDocument.destroy();
2092                if (this.linkService && this.linkService.dispose) this.linkService.dispose();
2093                if (this.outlineViewer && this.outlineViewer.dispose) this.outlineViewer.dispose();
2094                if (this.thumblist && this.thumblist.dispose) {
2095                    this.thumblist.review = null;
2096                    this.thumblist.dispose()
2097                }
2098                this.activeThumb = null;
2099                this.targetObject = null;
2100                this.pdfDocument = null;
2101                this.linkService = null;
2102                this.outlineViewer = null;
2103                this.thumblist = null;
2104                s = null
2105            };
2106            return this
2107        }
2108
2109        a.prototype.updateInfo = function (e) {
2110            if (this.flipbook && this.flipbook.updateInfo) {
2111                this.flipbook.updateInfo(e)
2112            }
2113        };
2114        a.prototype.initThumbs = function () {
2115            var e = this;
2116            if (e.cache[e.thumbsize] == null) e.cache[e.thumbsize] = [];
2117            var t;
2118            var n = function () {
2119                clearTimeout(t);
2120                t = setTimeout(function () {
2121                    t = setTimeout(a, e.waitPeriod / 2)
2122                }, e.waitPeriod)
2123            };
2124            var a = function () {
2125                var a = 0;
2126                if (Date.now() - e.thumblist.lastScrolled < 100) {
2127                    a = 1
2128                } else {
2129                    e.targetObject.container.find(".df-thumb-container .df-vrow").each(function () {
2130                        var t = i(this);
2131                        if (!t.hasClass("df-thumb-loaded")) {
2132                            a++;
2133                            var o = i(this).attr("id").replace("df-thumb", "");
2134                            e.getPage(o, n, true);
2135                            t.addClass("df-thumb-loaded");
2136                            return false
2137                        }
2138                    });
2139                    if (a == 0) {
2140                        clearTimeout(t)
2141                    }
2142                }
2143                if (a > 0) {
2144                    n()
2145                }
2146                if (e.activeThumb != e.targetObject._activePage) {
2147                    var o = e.targetObject.thumbContainer != null && e.targetObject.thumbContainer.hasClass("df-sidemenu-visible");
2148                    if (o) {
2149                        var r = e.thumblist.container;
2150                        var s = r.scrollTop, c = r.getBoundingClientRect().height;
2151                        var u = e.targetObject.thumbContainer.find("#df-thumb" + e.targetObject._activePage);
2152                        if (u.length > 0) {
2153                            e.targetObject.thumbContainer.find(".df-selected").removeClass("df-selected");
2154                            u.addClass("df-selected");
2155                            u = u[0];
2156                            if (s + c < u.offsetTop + u.scrollHeight) l.scrollIntoView(u, null, false); else if (s > u.offsetTop) l.scrollIntoView(u);
2157                            e.activeThumb = e.targetObject._activePage
2158                        } else {
2159                            i(r).scrollTop(e.targetObject._activePage * 124);
2160                            n()
2161                        }
2162                    }
2163                }
2164            };
2165            e.thumblist = e.targetObject.thumblist = new ThumbList({
2166                h: 500, addFn: function (e) {
2167                }, scrollFn: n, itemHeight: 128, totalRows: e.pageCount, generatorFn: function (e) {
2168                    var t = document.createElement("div");
2169                    var i = e + 1;
2170                    t.id = "df-thumb" + i;
2171                    var n = document.createElement("div");
2172                    n.innerHTML = i;
2173                    t.appendChild(n);
2174                    return t
2175                }
2176            });
2177            e.thumblist.lastScrolled = Date.now();
2178            e.thumblist.review = n;
2179            n();
2180            var o = i("<div>").addClass("df-thumb-container df-sidemenu-visible df-sidemenu");
2181            o.append(i(e.thumblist.container).addClass("df-thumb-wrapper"));
2182            e.targetObject.thumbContainer = o;
2183            e.targetObject.container.append(o);
2184            var r = i(h.div, {class: "df-ui-btn df-ui-sidemenu-close ti-close"});
2185            o.append(r);
2186            e.thumblist.reset(i(e.thumblist.container).height());
2187            e.targetObject.container.on("click", ".df-thumb-container .df-vrow", function (t) {
2188                t.stopPropagation();
2189                var n = i(this).attr("id").replace("df-thumb", "");
2190                e.targetObject.gotoPage(parseInt(n, 10))
2191            })
2192        };
2193        a.prototype.initOutline = function () {
2194            var e = this;
2195            var t = i("<div>").addClass("df-outline-container df-sidemenu");
2196            var n = i("<div>").addClass("df-outline-wrapper");
2197            var a = i(h.div, {class: "df-ui-btn df-ui-sidemenu-close ti-close"});
2198            t.append(a).append(n);
2199            e.targetObject.container.append(t);
2200            e.targetObject.outlineContainer = t;
2201            e.outlineViewer = new BookMarkViewer({
2202                container: n[0],
2203                linkService: e.linkService,
2204                outlineItemClass: "df-outline-item",
2205                outlineToggleClass: "df-outline-toggle",
2206                outlineToggleHiddenClass: "df-outlines-hidden"
2207            });
2208
2209            function o(t) {
2210                if (e.options.overwritePDFOutline == true) {
2211                    t = []
2212                }
2213                t = t || [];
2214                if (e.outline) {
2215                    for (var i = 0; i < e.outline.length; i++) {
2216                        e.outline[i].custom = true;
2217                        if (t) t.push(e.outline[i])
2218                    }
2219                }
2220                if (t.length === 0 && e.targetObject.ui.outline != null) {
2221                    e.targetObject.ui.outline.hide()
2222                }
2223                e.outlineViewer.render({outline: t})
2224            }
2225
2226            if (e.pdfDocument) {
2227                e.pdfDocument.getOutline().then(function (e) {
2228                    o(e)
2229                })
2230            } else {
2231                o([])
2232            }
2233            if (e.options.autoEnableOutline == true) {
2234                e.targetObject.ui.outline.trigger("click")
2235            }
2236            if (e.options.autoEnableThumbnail == true) {
2237                e.targetObject.ui.thumbnail.trigger("click")
2238            }
2239        };
2240        a.prototype.checkViewportSize = function (e, t, i) {
2241            var a = this;
2242            var o = a.targetObject;
2243            var r = e * i, s = t * i;
2244            var l = a.cacheIndex;
2245            if (a.contentSourceType == c.PDF) {
2246                a.cacheIndex = Math.ceil(Math.max(r, s));
2247                a.cacheIndex = Math.floor(Math.max(r, s));
2248                a.cacheIndex = S(a.cacheIndex * n.pixelRatio, a.minDimension, a.maxDimension);
2249                if (a.cache[a.cacheIndex] == null) a.cache[a.cacheIndex] = [];
2250                if (l !== a.cacheIndex) {
2251                    for (var u = 0; u < o.children.length; u++) {
2252                        var d = o.children[u]
2253                    }
2254                    o.refresh()
2255                }
2256                a.imageViewport = a.refPage.getViewport({scale: s / a.normalViewport.height});
2257                a.viewport = o.mode == "css" ? a.imageViewport : a.refPage.getViewport({scale: a.bookSize.height / a.normalViewport.height});
2258                k(a.cacheIndex);
2259                a.annotedPage = undefined;
2260                a.review()
2261            } else {
2262                if (a.cache[a.cacheIndex] == null) a.cache[a.cacheIndex] = []
2263            }
2264        };
2265        a.prototype.getCache = function (e, t) {
2266            return t == true ? this.cache[this.thumbsize] == null ? null : this.cache[this.thumbsize][e] : this.cache[this.cacheIndex] == null ? null : this.cache[this.cacheIndex][e]
2267        };
2268        a.prototype.setCache = function (e, t, i, n) {
2269            if (i == true) {
2270                if (this.cache[this.thumbsize] != null) this.cache[this.thumbsize][e] = t
2271            } else {
2272                var a = n == null ? this.cacheIndex : n;
2273                if (this.cache[a] != null) this.cache[a][e] = t
2274            }
2275        };
2276        a.prototype.setTarget = function (e) {
2277            var t = this;
2278            if (e == null) {
2279                return this.targetObject
2280            } else {
2281                this.targetObject = e;
2282                e.contentProvider = this;
2283                e.container.removeClass("df-loading df-init");
2284                if (t.linkService != null) {
2285                    t.linkService.setViewer(e);
2286                    t.initOutline()
2287                }
2288                e.processPage = function (e, i) {
2289                    if (e > 0 && e <= t.pageCount) {
2290                        t.getPage(e, i)
2291                    } else {
2292                        t.setPage(e, n.textureLoadFallback, i)
2293                    }
2294                };
2295                e.requestPage = function () {
2296                    t.review("Request")
2297                };
2298                if (e.resize != null) e.resize()
2299            }
2300        };
2301        a.prototype.review = function (e) {
2302            var t = this;
2303            e = e || "timer review";
2304            clearTimeout(t.textureLoadTimeOut);
2305            t.textureLoadTimeOut = setTimeout(function () {
2306                t.textureLoadTimeOut = setTimeout(t.reviewPages, t.waitPeriod / 2, t, e)
2307            }, t.waitPeriod)
2308        };
2309        a.prototype.reviewPages = function (e, t) {
2310            e = e || this;
2311            var n = e.targetObject;
2312            if (n == null) return;
2313            var a = A(n);
2314            if (t != null) k(t);
2315            var o = false;
2316            var r, s;
2317            for (r = 0; r < e.targetObject.children.length; r++) {
2318                s = n.children[r];
2319                if (s.isFlipping == true) {
2320                    o = true;
2321                    break
2322                }
2323            }
2324            if (o == false) {
2325                var l = n.children.length > 3 ? 3 : n.children.length;
2326                var c = l / 2;
2327                var u = a ? n._activePage : F(n._activePage);
2328                e.baseNumber = u;
2329                if (e.zoomScale > 1) {
2330                    l = 1
2331                }
2332                for (r = 0; r < l; r++) {
2333                    var d = Math.floor(r / 2);
2334                    var f = r % 2 == 0 ? -d * (a ? 1 : 2) : (d == 0 ? 1 : d) * (a ? 1 : 2);
2335                    var h = u + f, p = u + f + 1;
2336                    var g = n.getPageByNumber(h), v = n.getPageByNumber(p), m = h + "|" + e.cacheIndex,
2337                        b = p + "|" + e.cacheIndex;
2338                    var w = 0;
2339                    if (g != null && g.frontPageStamp != m && g.visible == true) {
2340                        g.frontTextureLoaded = false;
2341                        n.processPage(h, function () {
2342                            e.review("Batch Call")
2343                        });
2344                        g.frontPageStamp = m;
2345                        w++
2346                    }
2347                    if (v != null && v.backPageStamp != b && v.visible == true && !a) {
2348                        v.backTextureLoaded = false;
2349                        n.processPage(p, function () {
2350                            e.review("Batch Call")
2351                        });
2352                        v.backPageStamp = b;
2353                        w++
2354                    }
2355                    if (f == 0 && e.annotedPage !== u) {
2356                        e.getAnnotations(h);
2357                        if (!a) e.getAnnotations(p);
2358                        e.annotedPage = u
2359                    }
2360                    if (w > 0) {
2361                        break
2362                    }
2363                }
2364                if (w == 0) {
2365                    if (n.mode !== "css") {
2366                        e.setLoading(u)
2367                    } else {
2368                    }
2369                }
2370            } else {
2371                e.review("Revisit request");
2372                if (e.annotedPage != null && n.mode !== "css") {
2373                    var x = F(n._activePage);
2374                    i(n.getContentLayer(x)).html("");
2375                    i(n.getContentLayer(x + 1)).html("");
2376                    e.annotedPage = null
2377                }
2378            }
2379        };
2380        a.prototype.getPage = function (e, a, o) {
2381            var r = this;
2382            e = parseInt(e, 10);
2383            var s = e;
2384            var l = r.contentSource;
2385            if (e <= 0 && e >= r.pageCount) {
2386                r.setPage(e, n.textureLoadFallback, a, o)
2387            } else {
2388                if (r.contentSourceType == c.PDF) {
2389                    if (r.getCache(e, o) != null) {
2390                        r.setPage(e, r.getCache(e, o), a, o);
2391                        k("Page " + e + " loaded from cache")
2392                    } else {
2393                        if (o !== true) r.setLoading(e, true);
2394                        if (r.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL && e > 2) {
2395                            s = Math.ceil((e - 1) / 2) + 1
2396                        }
2397                        l.getPage(s, o).then(function (t) {
2398                            f(t, e, a, o)
2399                        })
2400                    }
2401                } else if (r.contentSourceType == c.IMAGE || r.contentSourceType == c.HTML) {
2402                    if (r.getCache(e, o) != null) {
2403                        r.setPage(e, r.getCache(e, o), a, o);
2404                        k("Page " + e + " loaded from cache")
2405                    } else {
2406                        if (o !== true) r.setLoading(e, true);
2407                        if (r.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL && e > 2) {
2408                            s = Math.ceil((e - 1) / 2) + 1
2409                        }
2410                        d(l[s - 1], function (t) {
2411                            r.setCache(e, t, o, r.cacheIndex);
2412                            r.setPage(e, t, a, o);
2413                            if (a != null) a()
2414                        }, r.isCrossOrigin)
2415                    }
2416                }
2417            }
2418
2419            function u(e, i, a) {
2420                var o = new Image;
2421                o.crossOrigin = "Anonymous";
2422                o.onload = function () {
2423                    if (a == true) {
2424                        var r = document.createElement("canvas"), s = r.getContext("2d");
2425                        r.width = o.width;
2426                        r.height = o.height;
2427                        s.drawImage(o, 0, 0);
2428                        if (n.canvasToBlob == true) {
2429                            r.toBlob(function (e) {
2430                                var n = t.createObjectURL(e, "image/jpeg");
2431                                if (i != null) i(n)
2432                            }, "image/jpeg", .85)
2433                        } else {
2434                            if (i != null) i(r)
2435                        }
2436                    } else {
2437                        if (i != null) i(e)
2438                    }
2439                    o.onload = null;
2440                    o = null
2441                };
2442                o.src = e;
2443                if (o.complete || o.complete === undefined) {
2444                    o.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
2445                    o.src = e
2446                }
2447            }
2448
2449            function d(e, t, n) {
2450                i("<img/>").attr("src", e).on("load", function () {
2451                    i(this).off();
2452                    if (t != null) {
2453                        t(e)
2454                    }
2455                    k(this.height + ":" + this.width)
2456                })
2457            }
2458
2459            function f(e, i, n, a) {
2460                var o = r.options.forceFit;
2461                var s = r.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL && i > 1 && i < r.pageCount;
2462                var l = s && o ? 2 : 1;
2463                var c = o ? e.getViewport({scale: 1}) : r.normalViewport;
2464                var u = r.cacheIndex / Math.max(c.width / l, c.height);
2465                if (r.webgl == true) {
2466                    u = O(r.cacheIndex) / (r.pageRatio > 1 ? c.width / l : c.height)
2467                }
2468                var d = document.createElement("canvas");
2469                var f = performance.now();
2470                var h = r.cacheIndex;
2471                var p = d.getContext("2d");
2472                if (a == true) {
2473                    u = r.thumbsize / r.normalViewport.height
2474                }
2475                d.height = Math.round(c.height * u);
2476                d.width = Math.round(c.width / l * u);
2477                if (r.targetObject.mode == "css" && Math.abs(r.targetObject.zoomHeight - d.height) < 2) {
2478                    d.height = r.targetObject.zoomHeight + 0;
2479                    d.width = r.targetObject.zoomWidth + 0
2480                }
2481                c = e.getViewport({scale: u});
2482                k("rendering " + i + " at " + d.width + "x" + d.height);
2483                if (s) {
2484                    if (z(r.targetObject)) {
2485                        if (i % 2 == 0) {
2486                            c.transform[4] = -d.width
2487                        }
2488                    } else {
2489                        if (i % 2 == 1) {
2490                            c.transform[4] = -d.width
2491                        }
2492                    }
2493                }
2494                var g = {canvasContext: p, viewport: c};
2495                e.cleanupAfterRender = true;
2496                var v = e.render(g);
2497                v.promise.then(function () {
2498                    k(performance.now() - f);
2499                    f = performance.now();
2500                    if (a == true || r.options.canvasToBlob == true && r.webgl !== true) {
2501                        d.toBlob(function (e) {
2502                            var o = t.createObjectURL(e, "image/jpeg");
2503                            k(performance.now() - f);
2504                            r.setCache(i, o, a, h);
2505                            r.setPage(i, o, n, a)
2506                        }, "image/jpeg", r.pdfRenderQuality)
2507                    } else {
2508                        k("Setting Page " + i);
2509                        r.setPage(i, d, n, a)
2510                    }
2511                    g = null
2512                })
2513            }
2514        };
2515        a.prototype.getTargetPage = function (e) {
2516        };
2517        a.prototype.setLoading = function (e, t) {
2518            if (this.targetObject != null) {
2519                if (this.webgl == true) {
2520                    var n = this.targetObject.container;
2521                    if (t == true) {
2522                        if (n.isLoading !== true) {
2523                            n.addClass("df-loading");
2524                            n.isLoading = true;
2525                            k("Loading icon at " + e + " as " + t)
2526                        }
2527                    } else {
2528                        if (n.isLoading != null) {
2529                            n.removeClass("df-loading");
2530                            n.isLoading = null;
2531                            k("Loading icon at " + e + " as " + t)
2532                        }
2533                    }
2534                } else {
2535                    var a = i(this.targetObject.getContentLayer(e));
2536                    if (a != null) {
2537                        if (t == true) a.addClass("df-page-loading"); else a.removeClass("df-page-loading");
2538                        k("Loading icon at " + e + " as " + t)
2539                    }
2540                }
2541            }
2542        };
2543        a.prototype.getAnnotations = function (e) {
2544            var n = this;
2545            if (n.options.enableAnnotation == false) return;
2546            var a = n.targetObject;
2547            e = parseInt(e, 10);
2548            var o = n.contentSource;
2549            var r = i(a.getContentLayer(e));
2550            r.empty();
2551            if (e > 0 && e <= n.pageCount) {
2552                if (n.contentSourceType == c.PDF) {
2553                    var s = F(e);
2554                    var l = e;
2555                    if (n.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL && e > 2) {
2556                        l = Math.ceil((e - 1) / 2) + 1
2557                    }
2558                    o.getPage(l).then(function (t) {
2559                        if (r != null && r.length > 0) {
2560                            var i = t.getViewport({scale: 1});
2561                            i = t.getViewport({scale: n.viewport.height / i.height});
2562                            n.setupAnnotations(t, i, r, e)
2563                        }
2564                    })
2565                }
2566                if (n.links != null && n.links[e] != null) {
2567                    var u = n.links[e];
2568                    for (var d = 0; d < u.length; d++) {
2569                        var f = u[d];
2570                        var h;
2571                        if (f.dest && f.dest.indexOf && f.dest.indexOf("[html]") == 0) {
2572                            h = document.createElement("div");
2573                            h.innerHTML = f.dest.substr(6);
2574                            h.className = "customHtmlAnnotation"
2575                        } else {
2576                            h = document.createElement("a");
2577                            h.setAttribute("dest", f.dest);
2578                            h.className = "customLinkAnnotation";
2579                            h.href = "#" + f.dest;
2580                            h.onclick = function () {
2581                                var e = this.getAttribute("dest");
2582                                if (e) {
2583                                    n.linkService.customNavigateTo(e)
2584                                }
2585                                return false
2586                            }
2587                        }
2588                        h.style.left = f.x + "%";
2589                        h.style.top = f.y + "%";
2590                        h.style.width = f.w + "%";
2591                        h.style.height = f.h + "%";
2592                        r[0].appendChild(h)
2593                    }
2594                }
2595                if (n.html != null && n.html[e] != null) {
2596                    var p = n.html[e];
2597                    r.append(i("<div class='customHTMLAnnotation'>").html(p))
2598                }
2599            }
2600        };
2601        a.prototype.setPage = function (e, t, i, a) {
2602            var o = this;
2603            var r = o.targetObject;
2604            var s = z(r);
2605            var l = A(r);
2606            if (a == true) {
2607                var c = o.targetObject.container.find("#df-thumb" + e);
2608                c.css({backgroundImage: C(t)})
2609            } else {
2610                if (t == n.textureLoadFallback) {
2611                    k("Fallback on " + e)
2612                }
2613                var u = r.getPageByNumber(e);
2614                if (u != null) {
2615                    if (e % 2 != 0 && !s || e % 2 != 1 && s && !l || l && !s) {
2616                        k(e + "rendered to back of " + u.color);
2617                        u.backImage(t, function (t, n) {
2618                            u.backTextureLoaded = true;
2619                            o.setLoading(e);
2620                            if (o.requiresImageTextureScaling && n && e != 1 && e != o.pageCount) {
2621                                n.repeat.x = .5;
2622                                n.offset.x = .5
2623                            }
2624                            if (i != null) i()
2625                        })
2626                    } else {
2627                        k(e + "rendered to front of " + u.color);
2628                        u.frontImage(t, function (t, n) {
2629                            u.frontTextureLoaded = true;
2630                            o.setLoading(e);
2631                            if (o.requiresImageTextureScaling && n && e != 1 && e != o.pageCount) {
2632                                n.repeat.x = .5
2633                            }
2634                            if (i != null) i()
2635                        })
2636                    }
2637                } else {
2638                    k("Invalid set request on Page " + e)
2639                }
2640            }
2641        };
2642        a.prototype.setupAnnotations = function (e, a, o, r) {
2643            if (o == null || i(o).length == 0) return;
2644            var s = this;
2645            return e.getAnnotations().then(function (l) {
2646                a = a.clone({dontFlip: true});
2647                if (s.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL && r > 2 && r % 2 == 1) {
2648                } else if (r == 1) {
2649                }
2650                if (o == null) {
2651                    return
2652                }
2653                o = i(o);
2654                if (o.find(".annotationDiv").length == 0) {
2655                    o.append(i("<div class='annotationDiv'>"))
2656                }
2657                var c = o.find(".annotationDiv");
2658                c.empty();
2659                if (s.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL && r > 2 && r % 2 == 1) {
2660                    c.css({left: "-100%"})
2661                } else if (r == 1) {
2662                    c.css({left: ""})
2663                }
2664                pdfjsLib.AnnotationLayer.render({
2665                    annotations: l,
2666                    div: c[0],
2667                    page: e,
2668                    viewport: a,
2669                    imageResourcesPath: n.imageResourcesPath,
2670                    linkService: s.linkService
2671                });
2672                if (s.options.annotationClass && s.options.annotationClass !== "") {
2673                    c.find(" > section").addClass(s.options.annotationClass)
2674                }
2675                if (s.options.search == true) {
2676                    if (o.find(".textLayerDiv").length == 0) {
2677                        o.append(i("<div class='textLayerDiv'>"))
2678                    }
2679                    var u = o.find(".textLayerDiv");
2680                    e.getTextContent().then(function (e) {
2681                        var i = new t.TextLayerBuilder({
2682                            textLayerDiv: u[0],
2683                            pageIndex: null,
2684                            viewport: a.clone({dontFlip: false})
2685                        });
2686                        i.setTextContent(e);
2687                        i.render()
2688                    })
2689                }
2690            })
2691        };
2692        return a
2693    }({});
2694    var K = function () {
2695        function e(e) {
2696            this.angles = e.angles || [0, 0, 0, 0, 0, 0];
2697            this.stiffness = e.angles || .1;
2698            this.segments = e.segments || 1;
2699            this.canvasMode = e.contentSourceType !== c.IMAGE && e.canvasToBlob == false;
2700            this.initDOM()
2701        }
2702
2703        function a(e) {
2704            var t = e.contentLayer = i(h.div, {class: "df-page-content"});
2705            e.append(t)
2706        }
2707
2708        e.prototype = {
2709            initDOM: function () {
2710                var e = this.element = i(h.div, {class: "df-book-page"});
2711                var t = this.wrapper = i(h.div, {class: "df-page-wrapper"});
2712                var n = this.front = i(h.div, {class: "df-page-front"});
2713                var o = this.back = i(h.div, {class: "df-page-back"});
2714                var r = this.foldInnerShadow = i(h.div, {class: "df-page-fold-inner-shadow"});
2715                var s = this.foldOuterShadow = i(h.div, {class: "df-page-fold-outer-shadow"});
2716                this.frontIMG = new Image;
2717                this.backIMG = new Image;
2718                a(n, this.segments, true);
2719                a(o, this.segments, false);
2720                e.append(t).append(s);
2721                t.append(n).append(o).append(r)
2722            }, updatePoint: function (e) {
2723                if (e == null) return;
2724                var i = this.parent.dragPage != null ? this.parent.dragPage : e.page != null ? e.page : this;
2725                var n = i.element.width(), a = i.element.height();
2726                var o = this.parent.corner != null ? this.parent.corner : e.corner, r = t.CORNERS;
2727                var s = i.side == d.right, l = o == r.BL || o == r.BR;
2728                e.rx = s == true ? n * 2 - e.x : e.x;
2729                e.ry = l == true ? a - e.y : e.y;
2730                var c = Math.atan2(e.ry, e.rx);
2731                c = Math.PI / 2 - S(c, 0, v(90));
2732                var u = s ? e.x / 2 : n - e.x / 2, f = e.ry / 2,
2733                    h = Math.max(0, Math.sin(c - Math.atan2(f, u)) * E(u, f)), p = .5 * E(e.rx, e.ry);
2734                var g = Math.round(n - h * Math.sin(c)), b = Math.round(h * Math.cos(c)), x = m(c);
2735                var y = l ? s ? 180 + (90 - x) : 180 + x : s ? x : 90 - x;
2736                var C = l ? s ? 180 + (90 - x) : x : s ? x + 180 : y,
2737                    L = l ? s ? 90 - x : x + 90 : s ? y - 90 : y + 180, I = s ? n - g : g, T = l ? a + b : -b,
2738                    k = s ? -g : g - n, O = l ? -a - b : b;
2739                var R = S(e.distance * .5 / n, 0, .5);
2740                var F = S((n * 2 - e.rx) * .5 / n, .05, .3);
2741                i.element.addClass("df-folding");
2742                var M = s ? i.back : i.front;
2743                var D = s ? i.front : i.back;
2744                var A = i.foldOuterShadow;
2745                var z = i.foldInnerShadow;
2746                i.wrapper.css({transform: w(I, T) + P(y)});
2747                M.css({transform: P(-y) + w(-I, -T)});
2748                D.css({transform: P(C) + w(k, O), boxShadow: "rgba(0, 0, 0, " + R + ") 0px 0px 20px"});
2749                z.css({
2750                    transform: P(C) + w(k, O),
2751                    opacity: F / 2,
2752                    backgroundImage: N.css + "linear-gradient( " + L + "deg, rgba(0, 0, 0, 0.25) , rgb(0, 0, 0) " + p * .7 + "px, rgb(255, 255, 255) " + p + "px)"
2753                });
2754                A.css({
2755                    opacity: F / 2,
2756                    left: s ? "auto" : 0,
2757                    right: s ? 0 : "auto",
2758                    backgroundImage: N.css + "linear-gradient( " + (-L + 180) + "deg, rgba(0, 0, 0,0) " + p / 3 + "px, rgb(0, 0, 0) " + p + "px)"
2759                })
2760            }, updateAngle: function (e, t) {
2761                var i = this.element.width() * 5;
2762                this.wrapper.css({perspective: i, perspectiveOrigin: t == true ? "0% 50%" : "100% 50%"});
2763                this.front.css({
2764                    display: t == true ? e <= -90 ? "block" : "none" : e < 90 ? "block" : "none",
2765                    transform: (N.dom !== "MfS" ? "" : "perspective(" + i + "px) ") + (t == true ? "translateX(-100%) " : "") + "rotateY(" + ((t == true ? 180 : 0) + e) + "deg)"
2766                });
2767                this.back.css({
2768                    display: t == true ? e > -90 ? "block" : "none" : e >= 90 ? "block" : "none",
2769                    transform: (N.dom !== "MSd" ? "" : "perspective(" + i + "px) ") + (t == false ? "translateX(100%) " : "") + "rotateY(" + ((t == false ? -180 : 0) + e) + "deg)"
2770                });
2771                return
2772            }, tween: function (e) {
2773                var i = this;
2774                if (i == null || i.parent == null) return;
2775                var n = A(i.parent);
2776                var a = i.side == d.right;
2777                var o = i.parent.direction == t.DIRECTION.RTL;
2778                var r = i.parent.corner == t.CORNERS.BL || i.parent.corner == t.CORNERS.BR;
2779                var s = i.magnetic == true;
2780                var l = r ? i.parent.height : 0;
2781                var c, u, f, h = 0;
2782                var p = i.end = i && i.animateToReset == true ? {
2783                    x: a ? i.parent.fullWidth : 0,
2784                    y: l
2785                } : {x: a ? 0 : i.parent.fullWidth, y: l};
2786                i.ease = i.isHard ? TWEEN.Easing.Quadratic.InOut : TWEEN.Easing.Linear.None;
2787                var g = i.parent.duration;
2788                if (i.isHard == true) {
2789                    if (e != null) {
2790                        h = T(e.distance, e.fullWidth)
2791                    }
2792                    c = i.init = {angle: h * (a ? -1 : 1)};
2793                    p = i.end = i && i.animateToReset == true ? {angle: a ? 0 : -0} : {angle: a ? -180 : 180}
2794                } else {
2795                    if (e == null) {
2796                        c = i.init = i && i.animateToReset == true ? {
2797                            x: a ? 0 : i.parent.fullWidth,
2798                            y: 0
2799                        } : {x: a ? i.parent.fullWidth : 0, y: 0};
2800                        u = i.first = {x: (a ? 3 : 1) * i.parent.fullWidth / 4, y: 0};
2801                        f = i.mid = {x: (a ? 1 : 3) * i.parent.fullWidth / 4, y: 0}
2802                    } else {
2803                        c = i.init = {x: e.x, y: e.y, opacity: 1};
2804                        u = i.first = {x: e.x * 3 / 4, y: e.y * 3 / 4, opacity: 1};
2805                        f = i.mid = {x: e.x / 4, y: e.y / 4, opacity: 1};
2806                        g = i.parent.duration * I(c.x, c.y, p.x, p.y) / i.parent.fullWidth;
2807                        g = S(g, i.parent.duration / 3, i.parent.duration)
2808                    }
2809                }
2810                c.index = 0;
2811                p.index = 1;
2812                i.isFlipping = true;
2813                var v = function (e) {
2814                    if (i.isHard == true) {
2815                        i.updateAngle(e.angle, a);
2816                        i.angle = e.angle
2817                    } else {
2818                        i.updatePoint({x: e.x, y: e.y});
2819                        i.x = e.x;
2820                        i.y = e.y
2821                    }
2822                    if (n && !s) i.element[0].style.opacity = a && !o || !a && o ? e.index > .5 ? 2 * (1 - e.index) : 1 : e.index < .5 ? 2 * e.index : 1
2823                };
2824                if (n && (!a && !o || a && o)) i.element[0].style.opacity = 0;
2825                var m = i.completeTween = i.completeTween || function (e) {
2826                    i.isFlipping = false;
2827                    if (i.isHard == true) {
2828                        i.updateAngle(i.end.angle);
2829                        i.back.css({display: "block"});
2830                        i.front.css({display: "block"})
2831                    } else {
2832                        i.updatePoint({x: i.end.x, y: i.end.y})
2833                    }
2834                    i.element[0].style.opacity = 1;
2835                    if (i.animateToReset !== true) {
2836                        i.side = i.side == d.right ? d.left : d.right
2837                    } else i.animateToReset = null;
2838                    i.currentTween = null;
2839                    i.pendingPoint = null;
2840                    i.magnetic = false;
2841                    i.parent.dragPage = null;
2842                    i.parent.corner = t.CORNERS.NONE;
2843                    if (e != true) i.parent.refresh()
2844                };
2845                if (i.isHard == true) {
2846                    i.currentTween = new TWEEN.Tween(c).delay(0).to(p, i.parent.duration).onUpdate(function () {
2847                        v(this)
2848                    }).easing(i.ease).onComplete(i.completeTween).start()
2849                } else {
2850                    if (e == null) {
2851                        i.currentTween = new TWEEN.Tween(c).delay(0).to(p, i.parent.duration).onUpdate(function () {
2852                            v(this)
2853                        }).easing(TWEEN.Easing.Sinusoidal.Out).onComplete(i.completeTween).start()
2854                    } else {
2855                        i.currentTween = new TWEEN.Tween(c).delay(0).to(p, g).onUpdate(function () {
2856                            v(this)
2857                        }).easing(TWEEN.Easing.Sinusoidal.Out).onComplete(i.completeTween);
2858                        i.currentTween.start()
2859                    }
2860                }
2861            }, frontImage: function (e, t) {
2862                var a = this;
2863
2864                function o() {
2865                    a.front.css({backgroundImage: C(e)});
2866                    if (t != null) t()
2867                }
2868
2869                if (a.canvasMode == true) {
2870                    a.front.find(">canvas").remove();
2871                    if (e !== n.textureLoadFallback) {
2872                        a.front.append(i(e))
2873                    }
2874                    if (t != null) t()
2875                } else {
2876                    if (e == n.textureLoadFallback) {
2877                        o()
2878                    } else {
2879                        a.frontIMG.onload = o;
2880                        a.frontIMG.src = e
2881                    }
2882                }
2883            }, backImage: function (e, t) {
2884                var a = this;
2885
2886                function o() {
2887                    a.back.css({backgroundImage: C(e)});
2888                    if (t != null) t()
2889                }
2890
2891                if (a.canvasMode == true) {
2892                    a.back.find(">canvas").remove();
2893                    if (e !== n.textureLoadFallback) {
2894                        a.back.append(i(e))
2895                    }
2896                    if (t != null) t()
2897                } else {
2898                    if (e == n.textureLoadFallback) {
2899                        o()
2900                    } else {
2901                        a.backIMG.onload = o;
2902                        a.backIMG.src = e
2903                    }
2904                }
2905            }, updateCSS: function (e) {
2906                this.element.css(e)
2907            }, resetCSS: function () {
2908                this.wrapper.css({transform: ""});
2909                this.front.css({transform: "", boxShadow: ""});
2910                this.back.css({transform: "", boxShadow: ""})
2911            }, clearTween: function (e) {
2912                this.currentTween.stop();
2913                this.completeTween(e == true);
2914                this.resetCSS()
2915            }
2916        };
2917        return e
2918    }();
2919    var X = function (e) {
2920        H(s, e);
2921
2922        function o(e) {
2923            e.parent.container.find(".df-folding").removeClass("df-folding");
2924            e.element.addClass("df-folding")
2925        }
2926
2927        function r(e) {
2928            var t = false;
2929            for (var i = 0; i < e.pages.length; i++) {
2930                var n = e.pages[i];
2931                if (n.isFlipping == true) {
2932                    t = true;
2933                    break
2934                }
2935            }
2936            return t
2937        }
2938
2939        function s(e, n) {
2940            var s = this;
2941            s.type = "BookCSS";
2942            s.images = e.images || [];
2943            s.pageCount = e.pageCount || 1;
2944            s.foldSense = 50;
2945            s.stackCount = 4;
2946            s.mode = "css";
2947            s.pages = [];
2948            s.duration = e.duration;
2949            s.container = i(n);
2950            s.options = e;
2951            s.drag = d.none;
2952            s.pageMode = e.pageMode || (B || s.pageCount <= 2 ? t.PAGE_MODE.SINGLE : t.PAGE_MODE.DOUBLE);
2953            s.singlePageMode = e.singlePageMode || (B ? t.SINGLE_PAGE_MODE.BOOKLET : t.SINGLE_PAGE_MODE.ZOOM);
2954            s.swipe_threshold = B ? 15 : 50;
2955            s.direction = e.direction || t.DIRECTION.LTR;
2956            s.startPage = 1;
2957            s.endPage = s.pageCount;
2958            s._activePage = e.openPage || s.startPage;
2959            s.hardConfig = e.hard;
2960            a = "WebKitCSSMatrix" in window || document.body && "MozPerspective" in document.body.style;
2961            s.animateF = function () {
2962                if (TWEEN.getAll().length > 0) TWEEN.update(); else clearInterval(s.animate)
2963            };
2964            s.init(e);
2965            s.skipDrag = false;
2966
2967            function c(e) {
2968                if (s.dragPage != e.page && e.page.visible == true) {
2969                    s.dragPage.clearTween(true);
2970                    s.dragPage = e.page;
2971                    s.corner = e.corner;
2972                    s.dragPage.pendingPoint = e
2973                }
2974            }
2975
2976            var u = function (e) {
2977                var i = s.eventToPoint(e);
2978                if (e.touches != null && e.touches.length == 2 && s.startTouches != null) {
2979                    s.zoomDirty = true;
2980                    var n = l.getVectorAvg(l.getTouches(e, s.container.offset())),
2981                        a = l.calculateScale(s.startTouches, l.getTouches(e)), o = a / s.lastScale;
2982                    var c = s.contentProvider.zoomScale, u = n.x, f = n.y;
2983                    s.stage.css({transform: "translate3d(" + s.left + "px," + s.top + "px,0) scale3d(" + a + "," + a + ",1)"});
2984                    s.lastScale = a;
2985                    s.lastZoomCenter = n;
2986                    e.preventDefault()
2987                }
2988                if (e.touches != null && e.touches.length > 1 || s.startPoint == null || s.startTouches != null) return;
2989                var h = s.dragPage || i.page;
2990                if (s.contentProvider.zoomScale !== 1) {
2991                    if (e.touches != null || s.isPanning == true) {
2992                        s.pan(i);
2993                        e.preventDefault()
2994                    }
2995                } else {
2996                    if (s.skipDrag !== true) {
2997                        var p = i.distance;
2998                        if (!r(s)) {
2999                            if (s.dragPage != null || i.isInside == true) {
3000                                if (s.dragPage != null) {
3001                                    k("set mouse down move")
3002                                } else {
3003                                    i.y = S(i.y, 1, s.height - 1);
3004                                    i.x = S(i.x, 1, i.fullWidth - 1)
3005                                }
3006                                var g = s.corner || i.corner;
3007                                if (h.isHard) {
3008                                    var v = g == t.CORNERS.BR || g == t.CORNERS.TR;
3009                                    var m = T(i.distance, i.fullWidth);
3010                                    h.updateAngle(m * (v ? -1 : 1), v)
3011                                } else {
3012                                    h.updatePoint(i, s)
3013                                }
3014                                h.magnetic = true;
3015                                h.magneticCorner = i.corner;
3016                                e.preventDefault()
3017                            }
3018                            if (s.dragPage == null && h != null && i.isInside == false && h.magnetic == true) {
3019                                h.pendingPoint = i;
3020                                h.animateToReset = true;
3021                                s.corner = h.magneticCorner;
3022                                s.animatePage(h);
3023                                h.pendingPoint = null;
3024                                h.magnetic = false;
3025                                h.magneticCorner = null
3026                            }
3027                            if (s.isPanning == true && s.dragPage == null && s.contentProvider.zoomScale == 1) {
3028                                var b = i.x - s.lastPos, w = performance.now() - s.lastTime;
3029                                if (Math.abs(b) > s.swipe_threshold) {
3030                                    if (b < 0) {
3031                                        s.next()
3032                                    } else {
3033                                        s.prev()
3034                                    }
3035                                    s.drag = d.none;
3036                                    s.isPanning = false;
3037                                    e.preventDefault()
3038                                }
3039                                s.lastPos = i.x;
3040                                s.lastTime = performance.now()
3041                            }
3042                        }
3043                    }
3044                }
3045            }, f = function (e) {
3046                if (e.touches != null && e.touches.length == 0) {
3047                    var i = s.contentProvider.zoomScale;
3048                    if (s.zoomDirty == true) {
3049                        s.previewObject.contentProvider.zoomScale = l.limitAt(s.previewObject.contentProvider.zoomScale * s.lastScale, 1, s.previewObject.contentProvider.maxZoom);
3050                        s.previewObject.zoomValue = s.previewObject.contentProvider.zoomScale * 1;
3051                        s.previewObject.resize();
3052                        s.zoomDirty = false
3053                    }
3054                    s.wrapper.css({transform: ""});
3055                    s.lastScale = null;
3056                    s.startTouches = null
3057                }
3058                s.isPanning = false;
3059                if (e.touches != null && e.touches.length > 1) return;
3060                if (s.skipDrag !== true) {
3061                    var n = s.eventToPoint(e);
3062                    if (s.dragPage) {
3063                        e.preventDefault();
3064                        s.dragPage.pendingPoint = n;
3065                        if (n.x == s.startPoint.x && n.y == s.startPoint.y && n.isInside == true) {
3066                            if (s.corner == t.CORNERS.BR || s.corner == t.CORNERS.TR) {
3067                                c(n);
3068                                if (s.dragPage.isFlipping !== true) s.next()
3069                            } else if (s.corner == t.CORNERS.BL || s.corner == t.CORNERS.TL) {
3070                                c(n);
3071                                if (s.dragPage.isFlipping !== true) s.prev()
3072                            }
3073                        } else if (s.dragPage.isFlipping !== true) {
3074                            if (n.distance > n.fullWidth / 2) {
3075                                if (n.x > n.fullWidth / 2) s.prev(); else s.next()
3076                            } else {
3077                                s.dragPage.animateToReset = true;
3078                                s.animatePage(s.dragPage)
3079                            }
3080                        }
3081                        if (s.dragPage) {
3082                            s.dragPage.pendingPoint = null;
3083                            s.dragPage.magnetic = false
3084                        }
3085                    } else {
3086                    }
3087                    s.drag = d.none
3088                }
3089            }, h = function (e) {
3090                var i = s.eventToPoint(e);
3091                var n = e.srcElement || e.originalTarget;
3092                if (s.dragPage && s.dragPage.magnetic) return;
3093                if (s.wrapper[0].contains(e.target) && s.contentProvider.zoomScale == 1 && i.x == s.startPoint.x && i.y == s.startPoint.y && i.isInsidePage && s.startPoint.page == i.page && !i.page.isFlipping && n.nodeName !== "A") {
3094                    if (s.startPoint.page.side == 0) {
3095                        s.corner = t.CORNERS.TL;
3096                        s.prev();
3097                        s.startPoint.page = null
3098                    } else {
3099                        s.corner = t.CORNERS.TR;
3100                        s.next();
3101                        s.startPoint.page = null
3102                    }
3103                    s.isPanning = false
3104                }
3105            }, p = function (e) {
3106                if (e.touches != null && e.touches.length == 2 && s.startTouches == null) {
3107                    s.startTouches = l.getTouches(e);
3108                    s.lastScale = 1
3109                }
3110                if (e.touches != null && e.touches.length > 1 || e.touches == null && e.button !== 0) return;
3111                var i = s.eventToPoint(e);
3112                s.startPoint = i;
3113                s.left = s.left || 0;
3114                s.top = s.top || 0;
3115                s.isPanning = true;
3116                s.lastPos = i.x;
3117                s.lastTime = performance.now();
3118                if (s.skipDrag !== true) {
3119                    if (i.isInside == true && !r(s)) {
3120                        s.startPoint = i;
3121                        s.drag = i.drag;
3122                        s.dragPage = i.page;
3123                        s.corner = i.corner;
3124                        k(s.corner);
3125                        o(s.dragPage);
3126                        if (i.page.isHard) {
3127                        } else {
3128                            i.page.updatePoint(i, s)
3129                        }
3130                        if (i.page.name == "0") {
3131                            s.shadow.css({
3132                                width: "50%",
3133                                left: s.direction == t.DIRECTION.RTL ? 0 : "50%",
3134                                transitionDelay: ""
3135                            })
3136                        } else if (i.page.name == Math.ceil(s.pageCount / 2) - 1) {
3137                            s.shadow.css({
3138                                width: "50%",
3139                                left: s.direction == t.DIRECTION.RTL ? "50%" : 0,
3140                                transitionDelay: ""
3141                            })
3142                        }
3143                    }
3144                }
3145            }, g = function (e) {
3146                var t = 0;
3147                if (e.wheelDelta != null) {
3148                    t = e.wheelDelta / 120
3149                } else if (e.detail != null) {
3150                    t = -e.detail / 3
3151                }
3152                var i = s.contentProvider.zoomScale, n = s.contentProvider.maxZoom;
3153                if (t) {
3154                    if (t > 0 && i < n || t < 0 && i > 1) {
3155                        e.stopPropagation();
3156                        e.preventDefault();
3157                        var a = s.eventToPoint(e);
3158                        var o = s.eventToPoint(e);
3159                        var r = {x: s.container.width() / 2, y: -23 + s.container.height() / 2};
3160                        s.previewObject.zoom(t);
3161                        var l = s.contentProvider.zoomScale;
3162                        if (i !== l) {
3163                            var c = l / i;
3164                            if (l == 1) {
3165                                s.left = 0;
3166                                s.top = 0
3167                            } else {
3168                                s.left *= c;
3169                                s.top *= c
3170                            }
3171                            var u = (a.raw.x - r.x) * c, d = (a.raw.y - r.y) * c;
3172                            o.raw.x = r.x + u;
3173                            o.raw.y = r.y + d;
3174                            s.startPoint = o;
3175                            s.pan(a);
3176                            var f = s.dragPage || a.page;
3177                            if (s.dragPage == null && f != null && a.isInside == true && f.magnetic == true) {
3178                                f.pendingPoint = a;
3179                                f.animateToReset = true;
3180                                s.corner = f.magneticCorner;
3181                                s.animatePage(f);
3182                                f.pendingPoint = null;
3183                                f.magnetic = false;
3184                                f.magneticCorner = null
3185                            }
3186                        }
3187                    }
3188                }
3189            };
3190            var v = s.container[0];
3191            var m = s.stage[0];
3192            if (v) {
3193                m.addEventListener("mousemove", u, false);
3194                m.addEventListener("touchmove", u, false);
3195                m.addEventListener("mousedown", p, false);
3196                m.addEventListener("click", h, false);
3197                m.addEventListener("mouseup", f, false);
3198                m.addEventListener("touchend", f, false);
3199                m.addEventListener("touchstart", p, false);
3200                if (s.options.scrollWheel == true) {
3201                    m.addEventListener("mousewheel", g, false);
3202                    m.addEventListener("DOMMouseScroll", g, false)
3203                }
3204            }
3205            this.dispose = function () {
3206                m.removeEventListener("mousemove", u, false);
3207                m.removeEventListener("touchmove", u, false);
3208                m.removeEventListener("mousedown", p, false);
3209                m.removeEventListener("click", h, false);
3210                m.removeEventListener("mouseup", f, false);
3211                m.removeEventListener("touchend", f, false);
3212                m.removeEventListener("touchstart", p, false);
3213                if (s.options.scrollWheel == true) {
3214                    m.removeEventListener("mousewheel", g, false);
3215                    m.removeEventListener("DOMMouseScroll", g, false)
3216                }
3217                s.updatePageCallback = null;
3218                s.flipCallback = null;
3219                s.animateF = null;
3220                s.stage.remove()
3221            }
3222        }
3223
3224        s.prototype = {
3225            add: function (e) {
3226                if (e instanceof K) this.container.append(i(e.element)); else this.container.append(i(e))
3227            }, pan: function (e) {
3228                var t = this.startPoint;
3229                var i = this.contentProvider.zoomScale;
3230                var n = this.left + (e.raw.x - t.raw.x), a = this.top + (e.raw.y - t.raw.y);
3231                this.left = Math.round(S(n, -this.shiftWidth, this.shiftWidth));
3232                this.top = Math.round(S(a, -this.shiftHeight, this.shiftHeight));
3233                if (i == 1) {
3234                    this.left = 0;
3235                    this.top = 0
3236                }
3237                this.startPoint = e;
3238                this.stage.css({transform: "translate3d(" + this.left + "px," + this.top + "px,0)"})
3239            }, getPageByNumber: function (e) {
3240                var t = A(this) ? z(this) ? e + 1 : e : Math.floor((e - 1) / 2);
3241                var i;
3242                for (var n = 0; n < this.pages.length; n++) {
3243                    if (t == parseInt(this.pages[n].name, 10)) i = this.pages[n]
3244                }
3245                return i
3246            }, getPageSide: function (e) {
3247                var i = this.direction == t.DIRECTION.RTL;
3248                var n = this.getPageByNumber(e);
3249                if (n == null) return;
3250                if (A(this)) return i ? n.front : n.back;
3251                if (e % 2 == 0) return i ? n.back : n.front; else return i ? n.front : n.back
3252            }, getContentLayer: function (e) {
3253                var t = this.getPageSide(e);
3254                return t == null ? null : t.contentLayer
3255            }
3256        };
3257        s.prototype.init = function (e) {
3258            var t = this;
3259            t.stage = i(h.div, {class: "df-book-stage"});
3260            t.wrapper = i(h.div, {class: "df-book-wrapper"});
3261            t.shadow = i(h.div, {class: "df-book-shadow"});
3262            t.container.append(t.stage);
3263            t.stage.append(t.wrapper);
3264            t.wrapper.append(t.shadow);
3265            t.createStack(e)
3266        };
3267        s.prototype.createStack = function (e) {
3268            var t = "red,green,blue,yellow,orange,black".split(",");
3269            for (var i = 0; i < this.stackCount; i++) {
3270                e.angles = [, this.stackCount - i];
3271                e.stiffness = (this.stackCount - i) / 100;
3272                var n = new K(e);
3273                n.angles[1] = 180;
3274                n.index = i;
3275                n.parent = this;
3276                n.textureReady = false;
3277                n.textureRequested = false;
3278                this.wrapper.append(n.element);
3279                n.isFlipping = false;
3280                this.pages.push(n);
3281                n.color = t[i]
3282            }
3283            this.children = this.pages
3284        };
3285        s.prototype.isPageHard = function (e) {
3286            return l.isHardPage(this.hardConfig, e, this.pageCount, A(this))
3287        };
3288        s.prototype.setDuration = function (e) {
3289            this.duration = e
3290        };
3291        s.prototype.moveBy = function (e) {
3292            var t = this._activePage + e;
3293            t = S(t, this.startPage, this.endPage);
3294            if (this.firstFlipped != true) {
3295                this.previewObject.analytics({eventAction: "First Page Flip", options: this.previewObject.options});
3296                this.firstFlipped = true
3297            }
3298            this.gotoPage(t)
3299        };
3300        s.prototype.next = function (e) {
3301            if (e == null) e = this.direction == t.DIRECTION.RTL ? -this.pageMode : this.pageMode;
3302            this.moveBy(e)
3303        };
3304        s.prototype.prev = function (e) {
3305            if (e == null) e = this.direction == t.DIRECTION.RTL ? this.pageMode : -this.pageMode;
3306            this.moveBy(e)
3307        };
3308        s.prototype.eventToPoint = function (e) {
3309            e = D(e);
3310            var n = this.wrapper, a = this.pages, o = this.pageWidth, r = this.fullWidth, s = this.height,
3311                l = i(window), c = {x: e.clientX, y: e.clientY};
3312            var u = c.x - n[0].getBoundingClientRect().left;
3313            var f = c.y - n[0].getBoundingClientRect().top;
3314            c.x = c.x - this.container[0].getBoundingClientRect().left;
3315            c.y = c.y - this.container[0].getBoundingClientRect().top;
3316            var h = this.drag == d.none ? u < o ? u : r - u : this.drag == d.left ? u : r - u;
3317            var p = u < o ? a[this.stackCount / 2 - 1] : a[this.stackCount / 2];
3318            var g = u < this.foldSense ? d.left : u > r - this.foldSense ? d.right : d.none;
3319            var v = u, m = f, b = s, w = r, x = this.foldSense, P = t.CORNERS, y;
3320            if (v >= 0 && v < x) {
3321                if (m >= 0 && m <= x) y = P.TL; else if (m >= b - x && m <= b) y = P.BL; else if (m > x && m < b - x) y = P.L; else y = P.NONE
3322            } else if (v >= w - x && v <= w) {
3323                if (m >= 0 && m <= x) y = P.TR; else if (m >= b - x && m <= b) y = P.BR; else if (m > x && m < b - x) y = P.R; else y = P.NONE
3324            } else y = P.NONE;
3325            return {
3326                isInsidePage: v >= 0 && v <= w && m >= 0 && m <= b,
3327                isInside: y !== P.NONE && y !== P.L && y !== P.R,
3328                x: u,
3329                y: f,
3330                fullWidth: r,
3331                rawDistance: r - u,
3332                distance: h,
3333                page: p,
3334                drag: g,
3335                foldSense: this.foldSense,
3336                event: e,
3337                raw: c,
3338                corner: y
3339            }
3340        };
3341        s.prototype.gotoPage = function (e) {
3342            e = parseInt(e, 10);
3343            this._activePage = e;
3344            if (this.autoPlay == true) {
3345                this.previewObject.setAutoPlay(this.autoPlay)
3346            }
3347            this.updatePage(e);
3348            if (this && this.thumblist && this.thumblist.review) this.thumblist.review()
3349        };
3350        s.prototype.refresh = function () {
3351            this.updatePage(this._activePage);
3352            if (this.flipCallback != null) this.flipCallback()
3353        };
3354        s.prototype.updatePage = function (e) {
3355            var a = this.direction == t.DIRECTION.RTL, o = A(this), r = F(e);
3356            var s = o ? 1 : 2;
3357            e = Math.floor(e / s);
3358            if (a) e = Math.ceil(this.pageCount / s) - e;
3359            var l = this.oldBaseNumber || 0;
3360            var c = this.pageCount / s;
3361            var u = this.stackCount;
3362            var f = Math.floor(u / 2);
3363            if (l > e) {
3364                this.children[u - 1].skipFlip = true;
3365                this.children.unshift(this.children.pop())
3366            } else if (l < e) {
3367                this.children[0].skipFlip = true;
3368                this.children.push(this.children.shift())
3369            }
3370            for (var h = 0; h < u; h++) {
3371                var p = this.children[h];
3372                if (l !== e) {
3373                    if (p.currentTween != null) {
3374                        p.clearTween(true)
3375                    }
3376                }
3377                var g = p.side;
3378                var v;
3379                var m = e - f + h;
3380                if (a) m = o ? this.pageCount - m : Math.ceil(this.pageCount / 2) - m - 1;
3381                var b = p.name;
3382                p.isHard = this.isPageHard(m);
3383                if (p.isHard) {
3384                    p.element.addClass("df-hard-page")
3385                } else {
3386                    p.element.removeClass("df-hard-page");
3387                    p.front.css({display: "block"});
3388                    p.back.css({display: "block"})
3389                }
3390                if (m == 0 || m == c) {
3391                    p.element.addClass("df-cover-page")
3392                } else {
3393                    p.element.removeClass("df-cover-page")
3394                }
3395                var w = i(p.element).attr("pageNumber");
3396                if (w != m) {
3397                    p.front.contentLayer.empty();
3398                    p.back.contentLayer.empty()
3399                }
3400                i(p.element).attr("pageNumber", m);
3401                p.isEdge = false;
3402                if (h == 0) {
3403                } else if (h == u - 1) {
3404                } else {
3405                    p.isEdge = false
3406                }
3407                if (h < f) {
3408                    v = d.left
3409                } else {
3410                    v = d.right
3411                }
3412                if (p.isFlipping == false) {
3413                    if (v !== g && p.skipFlip == false) {
3414                        this.animatePage(p);
3415                        if (this.preFlipCallback != null) this.preFlipCallback()
3416                    } else {
3417                        p.skipFlip = false;
3418                        p.element.removeClass("df-flipping df-quick-turn df-folding df-left-side df-right-side");
3419                        p.element.addClass(h < f ? "df-left-side" : "df-right-side");
3420                        p.side = v
3421                    }
3422                }
3423                p.visible = o ? a ? h < f || p.isFlipping : h >= f || p.isFlipping : m >= 0 && m < c || o && m == c;
3424                if (this.requestPage != null && p.visible == true) {
3425                    p.name = m.toString();
3426                    if (p.name != b) {
3427                        p.backTextureLoaded = false;
3428                        p.frontTextureLoaded = false;
3429                        p.backPageStamp = "-1";
3430                        p.frontPageStamp = "-1";
3431                        p.thumbLoaded = false;
3432                        p.front.contentLayer.html("");
3433                        p.back.contentLayer.html("");
3434                        p.frontImage(n.textureLoadFallback);
3435                        p.backImage(n.textureLoadFallback);
3436                        this.requestPage()
3437                    }
3438                }
3439                p.oldDepth = p.depth;
3440                p.updateCSS({
3441                    display: p.visible == true ? "block" : "none",
3442                    zIndex: 6 + (h < f ? h - f : f - h),
3443                    transform: ""
3444                });
3445                if (p.pendingPoint == null && p.isFlipping == false) {
3446                    p.resetCSS()
3447                }
3448            }
3449            if (TWEEN.getAll().length == 0) {
3450                clearInterval(this.animate)
3451            }
3452            i(".quick-hint").html(e);
3453            this.oldBaseNumber = e;
3454            if (this.updatePageCallback) this.updatePageCallback()
3455        };
3456        s.prototype.animatePage = function (e) {
3457            e.element.addClass("df-flipping");
3458            e.isFlipping = true;
3459            if (this.animate != null) {
3460                clearInterval(this.animate)
3461            }
3462            this.animate = setInterval(this.animateF, 30);
3463            e.tween(e.pendingPoint)
3464        };
3465        return s
3466    }({});
3467    var Q = function (e) {
3468        H(a, e);
3469
3470        function a(n, a, o) {
3471            e.call(this, o);
3472            var r = this;
3473            r.type = "FlipBook";
3474            r.container = n;
3475            r.options = o;
3476            r.options.source = a;
3477            r.contentSource = a;
3478            if (o.height != null && o.height.toString().indexOf("%") < 0) {
3479                r.container.height(Math.min(o.height, i(window).height()))
3480            } else {
3481                r.container.height(o.height)
3482            }
3483            if (r.options.isLightBox) {
3484                window.dfLightBox.closeButton.addClass(r.options.icons["close"])
3485            }
3486            if (r.options.pageSize == t.PAGE_SIZE.DOUBLEINTERNAL) {
3487                if (Array === r.contentSource.constructor || Array.isArray(r.contentSource) || r.contentSource instanceof Array) {
3488                    r.options.singlePageMode = t.SINGLE_PAGE_MODE.ZOOM
3489                }
3490                r.container.addClass("df-double-internal")
3491            }
3492            if (!r.options.isLightBox && r.container.attr("id") != null) {
3493                r.options.id = r.container.attr("id")
3494            }
3495            if (r.options.parsed !== true && r.options.links != null) {
3496                t.parseLinks(r.options.links)
3497            }
3498            var l = r.webgl = o.webgl == true && j == true;
3499            n.addClass("df-container df-loading df-init df-floating" + " df-controls-" + r.options.controlsPosition);
3500            if (r.options.transparent == true) {
3501                n.addClass("df-transparent")
3502            }
3503            if (r.options.direction == t.DIRECTION.RTL) {
3504                n.addClass("df-rtl")
3505            }
3506            r.container.info = i(h.div, {class: "loading-info"}).appendTo(r.container).html(r.options.text.loading + "...");
3507            if (s.indexOf("MSIE") !== -1 || navigator.appVersion.indexOf("Trident/") > 0 || _ && !U) {
3508                r.options.webgl = false
3509            }
3510            if (!!s.match(/msie\s[5-9]/i)) {
3511                r.container.info.html("Your browser (Internet Explorer) is out of date to run DFlip Flipbook Plugin. <br><a href='http://browsehappy.com/'>Upgrade to a new one</a>").addClass("df-old-browser");
3512                n.removeClass("df-loading");
3513                return r
3514            }
3515            var c = o.backgroundImage == null || o.backgroundImage == "" ? "" : "url('" + o.backgroundImage + "')";
3516            r.container.css({
3517                position: "relative",
3518                overflow: "hidden",
3519                backgroundColor: o.backgroundColor,
3520                backgroundImage: c
3521            });
3522            if (r.options.isLightBox == true) {
3523                r.analytics({eventAction: "Open Book", options: r.options})
3524            }
3525            r.init(l, a);
3526            if (r.options.onCreate != null) r.options.onCreate(r);
3527            return r
3528        }
3529
3530        a.prototype.init = function (e) {
3531            var a = this;
3532            var o = a.target;
3533            var r = a.options;
3534            if (e == true) {
3535                var s = function (e) {
3536                    var i = function () {
3537                        MOCKUP.defaults.anisotropy = 0;
3538                        MOCKUP.defaults.groundTexture = "blank";
3539                        THREE.skipPowerOfTwo = true;
3540                        q();
3541                        if (e != null) e()
3542                    };
3543                    if (window.MOCKUP == null) {
3544                        a.updateInfo(r.text.loading + " WEBGL 3D ...");
3545                        if (typeof define === "function" && define.amd && window.requirejs) {
3546                            requirejs.config({
3547                                paths: {three: n.threejsSrc.replace(".js", "")},
3548                                shim: {three: {exports: "THREE"}}
3549                            });
3550                            require(["three"], function (e) {
3551                                window.THREE = e;
3552                                M(n.mockupjsSrc + "?ver=" + t.version, function () {
3553                                    i()
3554                                });
3555                                return e
3556                            })
3557                        } else if (typeof define === "function" && define.amd) {
3558                            require(["three", n.threejsSrc.replace(".js", "")], function (e, t) {
3559                                e(function () {
3560                                })
3561                            })
3562                        } else {
3563                            M(n.threejsSrc + "?ver=" + t.version, function () {
3564                                M(n.mockupjsSrc + "?ver=" + t.version, function () {
3565                                    i()
3566                                })
3567                            })
3568                        }
3569                    } else {
3570                        i()
3571                    }
3572                };
3573                s(function () {
3574                    a.container.css({minHeight: 300, minWidth: 300});
3575                    a.stage = new G(R(a.options, {container: a.container}));
3576                    a.stage.previewObject = a;
3577                    a.contentProvider = new Y(a.contentSource, function (n) {
3578                        var r = {
3579                            pageCount: n.pageCount,
3580                            stackCount: 6,
3581                            segments: 20,
3582                            width: n.bookSize.width,
3583                            height: n.bookSize.height
3584                        };
3585                        a.target = o = a.stage.target = new MOCKUP.Book(R(a.options, r), a.stage);
3586                        a.extendtarget();
3587                        V(a.container, a);
3588                        o.ui = a.ui;
3589                        o.container = a.container;
3590                        n.webgl = e;
3591                        n.setTarget(a.target);
3592                        o.getContentLayer = function (e) {
3593                            var i = o.direction == t.DIRECTION.RTL, n = a.stage.cssScene.divLeft.element,
3594                                r = a.stage.cssScene.divRight.element;
3595                            var s = F(o._activePage);
3596                            if (A(o)) return i ? n : r;
3597                            if (e % 2 == 0) return i ? r : n; else return i ? n : r
3598                        };
3599                        o.stage = a.stage;
3600                        o.flipCallback = function () {
3601                            if (a.contentProvider) {
3602                                a.contentProvider.review("flipCallback");
3603                                var e = F(o._activePage);
3604                                var n, r;
3605                                var s = o.getPageByNumber(e), l = o.getPageByNumber(e + 1);
3606                                var c = o.parent.cssScene.divLeft, u = o.parent.cssScene.divRight;
3607                                var d = o.pageMode == t.PAGE_MODE.SINGLE;
3608                                var f = o.direction == t.DIRECTION.RTL;
3609                                if (s != null && c != null) {
3610                                    n = Math.abs(s.geometry.boundingBox.max.x - s.geometry.boundingBox.min.x);
3611                                    r = Math.abs(s.geometry.boundingBox.max.z - s.geometry.boundingBox.min.z);
3612                                    c.rotation.y = -Math.atan2(r, n) * .9;
3613                                    c.position.z = r * .8;
3614                                    c.position.x = r / 2.5;
3615                                    i(c.element).css({width: n, left: -n / 2})
3616                                }
3617                                if (l != null && u != null) {
3618                                    n = Math.abs(l.geometry.boundingBox.max.x - l.geometry.boundingBox.min.x);
3619                                    r = Math.abs(l.geometry.boundingBox.max.z - l.geometry.boundingBox.min.z);
3620                                    u.rotation.y = Math.atan2(r, n) * .9;
3621                                    u.position.z = r * .8;
3622                                    u.position.x = -r / 2.5;
3623                                    i(u.element).css({width: n, left: n / 2})
3624                                }
3625                                if (a.options.onFlip != null) a.options.onFlip(a)
3626                            }
3627                        };
3628                        o.resize = function () {
3629                            a.resize()
3630                        }();
3631                        o.updatePageCallback = function () {
3632                            a.ui.update();
3633                            a.checkCenter();
3634                            a.stage.renderRequestPending = true
3635                        };
3636                        var s = i(a.stage.cssScene.divLeft.element);
3637                        var l = i(a.stage.cssScene.divRight.element);
3638                        o.preFlipCallback = function () {
3639                            s.empty();
3640                            l.empty();
3641                            if (a.options.beforeFlip != null) a.options.beforeFlip(a);
3642                            a.playSound()
3643                        };
3644                        i(window).trigger("resize");
3645                        s.css({width: n.bookSize.width, height: n.bookSize.height, left: -n.bookSize.width / 2});
3646                        l.css({width: n.bookSize.width, height: n.bookSize.height, left: n.bookSize.width / 2});
3647                        o.ease = TWEEN.Easing.Cubic.InOut;
3648                        o.contentProvider = n;
3649                        o.duration = a.options.duration;
3650                        o.gotoPage(o._activePage);
3651                        o.flipCallback();
3652                        if (a.options.isLightBox == true) {
3653                            a.analytics({eventAction: "Book Ready", options: a.options})
3654                        }
3655                        if (a.options.onReady != null) a.options.onReady(a)
3656                    }, r, a)
3657                })
3658            } else {
3659                a.contentProvider = new Y(a.contentSource, function (t) {
3660                    var n = {pageCount: t.pageCount, contentSourceType: t.contentSourceType};
3661                    a.target = o = new X(R(a.options, n), a.container);
3662                    a.target.previewObject = a;
3663                    a.extendtarget();
3664                    V(a.container, a);
3665                    t.webgl = e;
3666                    t.setTarget(a.target);
3667                    t.waitPeriod = 2;
3668                    o.ease = TWEEN.Easing.Quadratic.InOut;
3669                    o.duration = a.options.duration;
3670                    o.container = a.container;
3671                    o.updatePageCallback = function () {
3672                        a.ui.update();
3673                        a.checkCenter()
3674                    };
3675                    o.resize = function () {
3676                        a.resize()
3677                    }();
3678                    i(window).trigger("resize");
3679                    o.flipCallback = function () {
3680                        if (a.contentProvider) {
3681                            a.contentProvider.review("flipCallback");
3682                            if (a.options.onFlip != null) a.options.onFlip(a)
3683                        }
3684                    };
3685                    o.preFlipCallback = function () {
3686                        if (a.options.beforeFlip != null) a.options.beforeFlip(a);
3687                        a.playSound()
3688                    };
3689                    o.gotoPage(o._activePage);
3690                    o.flipCallback();
3691                    if (a.options.onReady != null) a.options.onReady(a);
3692                    a.analytics({eventAction: "Book Ready", options: a.options})
3693                }, r, a)
3694            }
3695        };
3696        a.prototype.extendtarget = function () {
3697            var e = this;
3698            e.target.previewObject = e;
3699            e.target.reset = function () {
3700                for (var t = 0; t < e.target.children.length; t++) {
3701                    var i = e.target.children[t];
3702                    i.skipFlip = true;
3703                    i.name = "-2"
3704                }
3705                e.contentProvider.annotedPage = "-2";
3706                e.target.refresh()
3707            }
3708        };
3709        a.prototype.getURLHash = function () {
3710            if (this.options.id != null) {
3711                var e = l.getSharePrefix() + (this.options.slug != null ? this.options.slug : this.options.id) + "/";
3712                if (this.target != null && this.target._activePage != null) {
3713                    e += this.target._activePage + "/"
3714                }
3715                window.location.hash = e
3716            }
3717            return window.location.href
3718        };
3719        a.prototype.end = function () {
3720            this.target.gotoPage(this.target.endPage)
3721        };
3722        a.prototype.gotoPage = function (e) {
3723            this.target.gotoPage(e);
3724            if (this.ui != null) this.ui.update()
3725        };
3726        a.prototype.prev = function () {
3727            this.target.prev()
3728        };
3729        a.prototype.next = function () {
3730            this.target.next()
3731        };
3732        a.prototype.updateInfo = function (e) {
3733            if (this.container && this.container.info && this.container.info.html) this.container.info.html(e)
3734        };
3735        a.prototype.analytics = function (e) {
3736            if (this.options.enableAnalytics == true) {
3737                try {
3738                    var t = e.options, i = undefined;
3739                    if (t) {
3740                        i = t.bookTitle || t.slug || t.id
3741                    }
3742                    var n = window.gtag;
3743                    if (n) {
3744                        n("event", e.eventAction, {event_category: "Flipbook", event_label: i})
3745                    } else {
3746                        var a = window.ga || window.__gaTracker;
3747                        a("send", {
3748                            hitType: "event",
3749                            eventCategory: "Flipbook",
3750                            eventAction: e.eventAction,
3751                            eventLabel: i
3752                        })
3753                    }
3754                } catch (e) {
3755                }
3756            }
3757        };
3758        return a
3759    }(Z);
3760    i.fn.extend({
3761        shelf: function () {
3762        }, flipBook: function (e, t) {
3763            return new Q(i(this), e, W(t))
3764        }
3765    })
3766})(DJFlipBook, jQuery);
3767(function (e) {
3768    "use strict";
3769    e.URL = e.URL || e.webkitURL;
3770    if (e.Blob && e.URL) {
3771        try {
3772            new Blob;
3773            return
3774        } catch (e) {
3775        }
3776    }
3777    var t = e.BlobBuilder || e.WebKitBlobBuilder || e.MozBlobBuilder || function (e) {
3778        var t = function (e) {
3779                return Object.prototype.toString.call(e).match(/^\[object\s(.*)\]$/)[1]
3780            }, i = function e() {
3781                this.data = []
3782            }, n = function e(t, i, n) {
3783                this.data = t;
3784                this.size = t.length;
3785                this.type = i;
3786                this.encoding = n
3787            }, a = i.prototype, o = n.prototype, r = e.FileReaderSync, s = function (e) {
3788                this.code = this[this.name = e]
3789            },
3790            l = ("NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR " + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR").split(" "),
3791            c = l.length, u = e.URL || e.webkitURL || e, d = u.createObjectURL, f = u.revokeObjectURL, h = u,
3792            p = e.btoa, g = e.atob, v = e.ArrayBuffer, m = e.Uint8Array, b = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/;
3793        n.fake = o.fake = true;
3794        while (c--) {
3795            s.prototype[l[c]] = c + 1
3796        }
3797        if (!u.createObjectURL) {
3798            h = e.URL = function (e) {
3799                var t = document.createElementNS("http://www.w3.org/1999/xhtml", "a"), i;
3800                t.href = e;
3801                if (!("origin" in t)) {
3802                    if (t.protocol.toLowerCase() === "data:") {
3803                        t.origin = null
3804                    } else {
3805                        i = e.match(b);
3806                        t.origin = i && i[1]
3807                    }
3808                }
3809                return t
3810            }
3811        }
3812        h.createObjectURL = function (e) {
3813            var t = e.type, i;
3814            if (t === null) {
3815                t = "application/octet-stream"
3816            }
3817            if (e instanceof n) {
3818                i = "data:" + t;
3819                if (e.encoding === "base64") {
3820                    return i + ";base64," + e.data
3821                } else if (e.encoding === "URI") {
3822                    return i + "," + decodeURIComponent(e.data)
3823                }
3824                if (p) {
3825                    return i + ";base64," + p(e.data)
3826                } else {
3827                    return i + "," + encodeURIComponent(e.data)
3828                }
3829            } else if (d) {
3830                return d.call(u, e)
3831            }
3832        };
3833        h.revokeObjectURL = function (e) {
3834            if (e.substring(0, 5) !== "data:" && f) {
3835                f.call(u, e)
3836            }
3837        };
3838        a.append = function (e) {
3839            var i = this.data;
3840            if (m && (e instanceof v || e instanceof m)) {
3841                var a = "", o = new m(e), l = 0, c = o.length;
3842                for (; l < c; l++) {
3843                    a += String.fromCharCode(o[l])
3844                }
3845                i.push(a)
3846            } else if (t(e) === "Blob" || t(e) === "File") {
3847                if (r) {
3848                    var u = new r;
3849                    i.push(u.readAsBinaryString(e))
3850                } else {
3851                    throw new s("NOT_READABLE_ERR")
3852                }
3853            } else if (e instanceof n) {
3854                if (e.encoding === "base64" && g) {
3855                    i.push(g(e.data))
3856                } else if (e.encoding === "URI") {
3857                    i.push(decodeURIComponent(e.data))
3858                } else if (e.encoding === "raw") {
3859                    i.push(e.data)
3860                }
3861            } else {
3862                if (typeof e !== "string") {
3863                    e += ""
3864                }
3865                i.push(unescape(encodeURIComponent(e)))
3866            }
3867        };
3868        a.getBlob = function (e) {
3869            if (!arguments.length) {
3870                e = null
3871            }
3872            return new n(this.data.join(""), e, "raw")
3873        };
3874        a.toString = function () {
3875            return "[object BlobBuilder]"
3876        };
3877        o.slice = function (e, t, i) {
3878            var a = arguments.length;
3879            if (a < 3) {
3880                i = null
3881            }
3882            return new n(this.data.slice(e, a > 1 ? t : this.data.length), i, this.encoding)
3883        };
3884        o.toString = function () {
3885            return "[object Blob]"
3886        };
3887        o.close = function () {
3888            this.size = 0;
3889            delete this.data
3890        };
3891        return i
3892    }(e);
3893    e.Blob = function (e, i) {
3894        var n = i ? i.type || "" : "";
3895        var a = new t;
3896        if (e) {
3897            for (var o = 0, r = e.length; o < r; o++) {
3898                if (Uint8Array && e[o] instanceof Uint8Array) {
3899                    a.append(e[o].buffer)
3900                } else {
3901                    a.append(e[o])
3902                }
3903            }
3904        }
3905        var s = a.getBlob(n);
3906        if (!s.slice && s.webkitSlice) {
3907            s.slice = s.webkitSlice
3908        }
3909        return s
3910    };
3911    var i = Object.getPrototypeOf || function (e) {
3912        return e.__proto__
3913    };
3914    e.Blob.prototype = i(new e.Blob)
3915})(window);
3916(function (e) {
3917    "use strict";
3918    var t = e.Uint8Array, i = e.HTMLCanvasElement, n = i && i.prototype, a = /\s*;\s*base64\s*(?:;|$)/i,
3919        o = "toDataURL", r, s = function (e) {
3920            var i = e.length, n = new t(i / 4 * 3 | 0), a = 0, o = 0, s = [0, 0], l = 0, c = 0, u, d;
3921            while (i--) {
3922                d = e.charCodeAt(a++);
3923                u = r[d - 43];
3924                if (u !== 255 && u != null) {
3925                    s[1] = s[0];
3926                    s[0] = d;
3927                    c = c << 6 | u;
3928                    l++;
3929                    if (l === 4) {
3930                        n[o++] = c >>> 16;
3931                        if (s[1] !== 61) {
3932                            n[o++] = c >>> 8
3933                        }
3934                        if (s[0] !== 61) {
3935                            n[o++] = c
3936                        }
3937                        l = 0
3938                    }
3939                }
3940            }
3941            return n
3942        };
3943    if (t) {
3944        r = new t([62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, 0, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51])
3945    }
3946    if (i && !n.toBlob) {
3947        n.toBlob = function (e, i) {
3948            if (!i) {
3949                i = "image/png"
3950            }
3951            if (this.mozGetAsFile) {
3952                e(this.mozGetAsFile("canvas", i));
3953                return
3954            }
3955            if (this.msToBlob && /^\s*image\/png\s*(?:$|;)/i.test(i)) {
3956                e(this.msToBlob());
3957                return
3958            }
3959            var n = Array.prototype.slice.call(arguments, 1), r = this[o].apply(this, n), l = r.indexOf(","),
3960                c = r.substring(l + 1), u = a.test(r.substring(0, l)), d;
3961            if (Blob.fake) {
3962                d = new Blob;
3963                if (u) {
3964                    d.encoding = "base64"
3965                } else {
3966                    d.encoding = "URI"
3967                }
3968                d.data = c;
3969                d.size = c.length
3970            } else if (t) {
3971                if (u) {
3972                    d = new Blob([s(c)], {type: i})
3973                } else {
3974                    d = new Blob([decodeURIComponent(c)], {type: i})
3975                }
3976            }
3977            e(d)
3978        };
3979        if (n.toDataURLHD) {
3980            n.toBlobHD = function () {
3981                o = "toDataURLHD";
3982                var e = this.toBlob();
3983                o = "toDataURL";
3984                return e
3985            }
3986        } else {
3987            n.toBlobHD = n.toBlob
3988        }
3989    }
3990})(window);
3991(function e() {
3992    if ("performance" in window === false) {
3993        window.performance = {}
3994    }
3995    Date.now = Date.now || function () {
3996        return (new Date).getTime()
3997    };
3998    if ("now" in window.performance === false) {
3999        var t = window.performance.timing && window.performance.timing.navigationStart ? window.performance.timing.navigationStart : Date.now();
4000        window.performance.now = function () {
4001            return Date.now() - t
4002        }
4003    }
4004})();
4005(function e() {
4006    var t = t || function () {
4007        var e = [];
4008        return {
4009            getAll: function () {
4010                return e
4011            }, removeAll: function () {
4012                e = []
4013            }, add: function (t) {
4014                e.push(t)
4015            }, remove: function (t) {
4016                var i = e.indexOf(t);
4017                if (i !== -1) {
4018                    e.splice(i, 1)
4019                }
4020            }, update: function (t) {
4021                if (e.length === 0) {
4022                    return false
4023                }
4024                var i = 0;
4025                t = t != null ? t : window.performance.now();
4026                while (i < e.length) {
4027                    if (e[i].update(t)) {
4028                        i++
4029                    } else {
4030                        e.splice(i, 1)
4031                    }
4032                }
4033                return true
4034            }
4035        }
4036    }();
4037    t.Tween = function (e) {
4038        var i = e;
4039        var n = {};
4040        var a = {};
4041        var o = {};
4042        var r = 1e3;
4043        var s = 0;
4044        var l = false;
4045        var c = false;
4046        var u = false;
4047        var d = 0;
4048        var f = null;
4049        var h = t.Easing.Linear.None;
4050        var p = t.Interpolation.Linear;
4051        var g = [];
4052        var v = null;
4053        var m = false;
4054        var b = null;
4055        var w = null;
4056        var x = null;
4057        for (var P in e) {
4058            n[P] = parseFloat(e[P], 10)
4059        }
4060        this.to = function (e, t) {
4061            if (t != null) {
4062                r = t
4063            }
4064            a = e;
4065            return this
4066        };
4067        this.start = function (e) {
4068            t.add(this);
4069            c = true;
4070            m = false;
4071            f = e != null ? e : window.performance.now();
4072            f += d;
4073            for (var r in a) {
4074                if (a[r] instanceof Array) {
4075                    if (a[r].length === 0) {
4076                        continue
4077                    }
4078                    a[r] = [i[r]].concat(a[r])
4079                }
4080                if (n[r] === null) {
4081                    continue
4082                }
4083                n[r] = i[r];
4084                if (n[r] instanceof Array === false) {
4085                    n[r] *= 1
4086                }
4087                o[r] = n[r] || 0
4088            }
4089            return this
4090        };
4091        this.stop = function () {
4092            if (!c) {
4093                return this
4094            }
4095            t.remove(this);
4096            c = false;
4097            if (x !== null) {
4098                x.call(i)
4099            }
4100            this.stopChainedTweens();
4101            return this
4102        };
4103        this.stopChainedTweens = function () {
4104            for (var e = 0, t = g.length; e < t; e++) {
4105                g[e].stop()
4106            }
4107        };
4108        this.complete = function () {
4109            if (!c) {
4110                return this
4111            }
4112            t.remove(this);
4113            c = false;
4114            if (w !== null) {
4115                w.call(i)
4116            }
4117            this.completeChainedTweens();
4118            return this
4119        };
4120        this.completeChainedTweens = function () {
4121            for (var e = 0, t = g.length; e < t; e++) {
4122                g[e].complete()
4123            }
4124        };
4125        this.delay = function (e) {
4126            d = e;
4127            return this
4128        };
4129        this.repeat = function (e) {
4130            s = e;
4131            return this
4132        };
4133        this.yoyo = function (e) {
4134            l = e;
4135            return this
4136        };
4137        this.easing = function (e) {
4138            h = e == null ? h : e;
4139            return this
4140        };
4141        this.interpolation = function (e) {
4142            p = e;
4143            return this
4144        };
4145        this.chain = function () {
4146            g = arguments;
4147            return this
4148        };
4149        this.onStart = function (e) {
4150            v = e;
4151            return this
4152        };
4153        this.onUpdate = function (e) {
4154            b = e;
4155            return this
4156        };
4157        this.onComplete = function (e) {
4158            w = e;
4159            return this
4160        };
4161        this.onStop = function (e) {
4162            x = e;
4163            return this
4164        };
4165        this.update = function (e) {
4166            var t;
4167            var c;
4168            var x;
4169            if (e < f) {
4170                return true
4171            }
4172            if (m === false) {
4173                if (v !== null) {
4174                    v.call(i)
4175                }
4176                m = true
4177            }
4178            c = (e - f) / r;
4179            c = c > 1 ? 1 : c;
4180            x = h(c);
4181            for (t in a) {
4182                if (n[t] === null) {
4183                    continue
4184                }
4185                var P = n[t] || 0;
4186                var y = a[t];
4187                if (y instanceof Array) {
4188                    i[t] = p(y, x)
4189                } else {
4190                    if (typeof y === "string") {
4191                        if (y.startsWith("+") || y.startsWith("-")) {
4192                            y = P + parseFloat(y, 10)
4193                        } else {
4194                            y = parseFloat(y, 10)
4195                        }
4196                    }
4197                    if (typeof y === "number") {
4198                        i[t] = P + (y - P) * x
4199                    }
4200                }
4201            }
4202            if (b !== null) {
4203                b.call(i, x)
4204            }
4205            if (c === 1) {
4206                if (s > 0) {
4207                    if (isFinite(s)) {
4208                        s--
4209                    }
4210                    for (t in o) {
4211                        if (typeof a[t] === "string") {
4212                            o[t] = o[t] + parseFloat(a[t], 10)
4213                        }
4214                        if (l) {
4215                            var C = o[t];
4216                            o[t] = a[t];
4217                            a[t] = C
4218                        }
4219                        n[t] = o[t]
4220                    }
4221                    if (l) {
4222                        u = !u
4223                    }
4224                    f = e + d;
4225                    return true
4226                } else {
4227                    if (w !== null) {
4228                        w.call(i)
4229                    }
4230                    for (var L = 0, S = g.length; L < S; L++) {
4231                        g[L].start(f + r)
4232                    }
4233                    return false
4234                }
4235            }
4236            return true
4237        }
4238    };
4239    t.Easing = {
4240        Linear: {
4241            None: function (e) {
4242                return e
4243            }
4244        }, Quadratic: {
4245            In: function (e) {
4246                return e * e
4247            }, Out: function (e) {
4248                return e * (2 - e)
4249            }, InOut: function (e) {
4250                if ((e *= 2) < 1) {
4251                    return .5 * e * e
4252                }
4253                return -.5 * (--e * (e - 2) - 1)
4254            }
4255        }, Quartic: {
4256            In: function (e) {
4257                return e * e * e * e
4258            }, Out: function (e) {
4259                return 1 - --e * e * e * e
4260            }, InOut: function (e) {
4261                if ((e *= 2) < 1) {
4262                    return .5 * e * e * e * e
4263                }
4264                return -.5 * ((e -= 2) * e * e * e - 2)
4265            }
4266        }, Sinusoidal: {
4267            In: function (e) {
4268                return 1 - Math.cos(e * Math.PI / 2)
4269            }, Out: function (e) {
4270                return Math.sin(e * Math.PI / 2)
4271            }, InOut: function (e) {
4272                return .5 * (1 - Math.cos(Math.PI * e))
4273            }
4274        }, Cubic: {
4275            In: function (e) {
4276                return e * e * e
4277            }, Out: function (e) {
4278                return --e * e * e + 1
4279            }, InOut: function (e) {
4280                if ((e *= 2) < 1) {
4281                    return .5 * e * e * e
4282                }
4283                return .5 * ((e -= 2) * e * e + 2)
4284            }
4285        }
4286    };
4287    t.Interpolation = {
4288        Linear: function (e, i) {
4289            var n = e.length - 1;
4290            var a = n * i;
4291            var o = Math.floor(a);
4292            var r = t.Interpolation.Utils.Linear;
4293            if (i < 0) {
4294                return r(e[0], e[1], a)
4295            }
4296            if (i > 1) {
4297                return r(e[n], e[n - 1], n - a)
4298            }
4299            return r(e[o], e[o + 1 > n ? n : o + 1], a - o)
4300        }, Bezier: function (e, i) {
4301            var n = 0;
4302            var a = e.length - 1;
4303            var o = Math.pow;
4304            var r = t.Interpolation.Utils.Bernstein;
4305            for (var s = 0; s <= a; s++) {
4306                n += o(1 - i, a - s) * o(i, s) * e[s] * r(a, s)
4307            }
4308            return n
4309        }, Utils: {
4310            Linear: function (e, t, i) {
4311                return (t - e) * i + e
4312            }, Bernstein: function (e, i) {
4313                var n = t.Interpolation.Utils.Factorial;
4314                return n(e) / n(i) / n(e - i)
4315            }, Factorial: function () {
4316                var e = [1];
4317                return function (t) {
4318                    var i = 1;
4319                    if (e[t]) {
4320                        return e[t]
4321                    }
4322                    for (var n = t; n > 1; n--) {
4323                        i *= n
4324                    }
4325                    e[t] = i;
4326                    return i
4327                }
4328            }(), CatmullRom: function (e, t, i, n, a) {
4329                var o = (i - e) * .5;
4330                var r = (n - t) * .5;
4331                var s = a * a;
4332                var l = a * s;
4333                return (2 * t - 2 * i + o + r) * l + (-3 * t + 3 * i - 2 * o - r) * s + o * a + t
4334            }
4335        }
4336    };
4337    window.TWEEN = t
4338})();
4339DJFlipBook.createBlob = function e(t, i) {
4340    if (typeof Blob !== "undefined") {
4341        return new Blob([t], {type: i})
4342    }
4343    var n = new MozBlobBuilder;
4344    n.append(t);
4345    return n.getBlob(i)
4346};
4347DJFlipBook.createObjectURL = function e() {
4348    var t = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
4349    return function e(i, n) {
4350        if (typeof URL !== "undefined" && URL.createObjectURL) {
4351            var a = DJFlipBook.createBlob(i, n);
4352            return URL.createObjectURL(a)
4353        }
4354        var o = "data:" + n + ";base64,";
4355        for (var r = 0, s = i.length; r < s; r += 3) {
4356            var l = i[r] & 255;
4357            var c = i[r + 1] & 255;
4358            var u = i[r + 2] & 255;
4359            var d = l >> 2, f = (l & 3) << 4 | c >> 4;
4360            var h = r + 1 < s ? (c & 15) << 2 | u >> 6 : 64;
4361            var p = r + 2 < s ? u & 63 : 64;
4362            o += t[d] + t[f] + t[h] + t[p]
4363        }
4364        return o
4365    }
4366}();
4367var ThumbList = function e() {
4368    function t(e) {
4369        var i = e && e.w + "px" || "100%";
4370        var n = e && e.h + "px" || "100%";
4371        var a = this.itemHeight = e.itemHeight;
4372        this.items = e.items;
4373        this.generatorFn = e.generatorFn;
4374        this.totalRows = e.totalRows || e.items && e.items.length;
4375        this.addFn = e.addFn;
4376        this.scrollFn = e.scrollFn;
4377        var o = t.createScroller(a * this.totalRows);
4378        this.container = t.createContainer(i, n);
4379        this.container.appendChild(o);
4380        this.screenItemsLen = Math.ceil(e.h / a);
4381        this.offsetItems = this.screenItemsLen;
4382        this.cachedItemsLen = this.screenItemsLen + this.offsetItems * 2;
4383        this._renderChunk(this.container, 0);
4384        var r = this;
4385        r.lastRepaintY = 0;
4386        var s = this.screenItemsLen * a;
4387        var l = 0;
4388        var c;
4389
4390        function u(e) {
4391            var t = e.target.scrollTop;
4392            if (!r.lastRepaintY || Math.abs(t - r.lastRepaintY) >= r.offsetItems * r.itemHeight) {
4393                var i = parseInt(t / a, 10) - r.offsetItems;
4394                r._renderChunk(r.container, i < 0 ? 0 : i);
4395                r.lastRepaintY = t
4396            }
4397            r.lastScrolled = l = Date.now();
4398            if (r.scrollFn != null) {
4399                r.scrollFn()
4400            }
4401            e.preventDefault && e.preventDefault()
4402        }
4403
4404        r.dispose = function () {
4405            if (r.container) {
4406                if (r.container.parentNode) {
4407                    r.container.parentNode.removeChild(r.container)
4408                }
4409            }
4410            r.container.removeEventListener("scroll", u)
4411        };
4412        r.container.addEventListener("scroll", u)
4413    }
4414
4415    t.prototype.reset = function (e) {
4416        this.screenItemsLen = Math.ceil(e / this.itemHeight);
4417        this.cachedItemsLen = this.screenItemsLen + this.offsetItems * 2;
4418        var t = parseInt(this.lastRepaintY / this.itemHeight, 10) - this.offsetItems;
4419        this.needReset = true;
4420        this._renderChunk(this.container, Math.max(t, 0))
4421    };
4422    t.prototype.createRow = function (e) {
4423        var t;
4424        if (this.generatorFn) {
4425            t = this.generatorFn(e);
4426            t.classList.add("df-vrow");
4427            t.style.position = "absolute";
4428            t.style.top = e * this.itemHeight + "px";
4429            t.setAttribute("index", e)
4430        }
4431        return t
4432    };
4433    t.prototype._renderChunk = function (e, t) {
4434        var i = this.range == null;
4435        this.range = this.range || {min: 0, max: this.cachedItemsLen};
4436        var n = this.range;
4437        var a = n.min, o = n.max;
4438        var r = i ? true : t >= a;
4439        if (!i && t == a && this.needReset == false) return;
4440        var s;
4441        var l = i ? a : r ? o : t;
4442        l = l > this.totalRows ? this.totalRows : l < 0 ? 0 : l;
4443        var c = t + this.cachedItemsLen;
4444        c = c > this.totalRows ? this.totalRows : c;
4445        for (s = l; s < c; s++) {
4446            if (r) e.appendChild(this.createRow(s)); else e.insertBefore(this.createRow(s), e.childNodes[1 + s - l]);
4447            if (this.addFn != null) {
4448                this.addFn(s)
4449            }
4450        }
4451        var u = Math.abs(t - a);
4452        this.needReset = false;
4453        if (!i && e.childNodes.length > this.cachedItemsLen + 1) {
4454            var d = r ? 1 : 1 + this.cachedItemsLen, f = d + (c - l);
4455            for (var h = f; h > d; h--) {
4456                if (e.childNodes[d]) this.container.removeChild(e.childNodes[d])
4457            }
4458        }
4459        this.range.min = t;
4460        this.range.max = c
4461    };
4462    t.createContainer = function (e, t) {
4463        var i = document.createElement("div");
4464        i.style.width = e;
4465        i.style.height = t;
4466        i.style.overflow = "auto";
4467        i.style.position = "relative";
4468        i.style.padding = 0;
4469        return i
4470    };
4471    t.createScroller = function (e) {
4472        var t = document.createElement("div");
4473        t.style.opacity = 0;
4474        t.style.position = "absolute";
4475        t.style.top = 0;
4476        t.style.left = 0;
4477        t.style.width = "1px";
4478        t.style.height = e + "px";
4479        return t
4480    };
4481    return t
4482}();
4483var BookMarkViewer = function e() {
4484    function t(e) {
4485        this.outline = null;
4486        this.lastToggleIsShow = true;
4487        this.container = e.container;
4488        this.linkService = e.linkService;
4489        this.outlineItemClass = e.outlineItemClass || "outlineItem";
4490        this.outlineToggleClass = e.outlineToggleClass || "outlineItemToggler";
4491        this.outlineToggleHiddenClass = e.outlineToggleHiddenClass || "outlineItemsHidden"
4492    }
4493
4494    t.prototype = {
4495        dispose: function () {
4496            if (this.container) {
4497                if (this.container.parentNode) {
4498                    this.container.parentNode.removeChild(this.container)
4499                }
4500            }
4501            this.linkService = null
4502        }, reset: function e() {
4503            this.outline = null;
4504            this.lastToggleIsShow = true;
4505            var t = this.container;
4506            while (t.firstChild) {
4507                t.removeChild(t.firstChild)
4508            }
4509        }, _dispatchEvent: function e(t) {
4510            var i = document.createEvent("CustomEvent");
4511            i.initCustomEvent("outlineloaded", true, true, {outlineCount: t});
4512            this.container.dispatchEvent(i)
4513        }, _bindLink: function e(t, i) {
4514            var n = this.linkService;
4515            if (i.custom == true) {
4516                t.href = n.getCustomDestinationHash(i.dest);
4517                t.onclick = function e(t) {
4518                    n.customNavigateTo(i.dest);
4519                    return false
4520                }
4521            } else {
4522                if (i.url) {
4523                    pdfjsLib.addLinkAttributes(t, {url: i.url});
4524                    return
4525                }
4526                t.href = n.getDestinationHash(i.dest);
4527                t.onclick = function e(t) {
4528                    n.navigateTo(i.dest);
4529                    return false
4530                }
4531            }
4532        }, _addToggleButton: function e(t) {
4533            var i = document.createElement("div");
4534            i.className = this.outlineToggleClass + " " + this.outlineToggleHiddenClass;
4535            i.onclick = function (e) {
4536                e.stopPropagation();
4537                i.classList.toggle(this.outlineToggleHiddenClass);
4538                if (e.shiftKey) {
4539                    var n = !i.classList.contains(this.outlineToggleHiddenClass);
4540                    this._toggleOutlineItem(t, n)
4541                }
4542            }.bind(this);
4543            t.insertBefore(i, t.firstChild)
4544        }, _toggleOutlineItem: function e(t, i) {
4545            this.lastToggleIsShow = i;
4546            var n = t.querySelectorAll("." + this.outlineToggleClass);
4547            for (var a = 0, o = n.length; a < o; ++a) {
4548                n[a].classList[i ? "remove" : "add"](this.outlineToggleHiddenClass)
4549            }
4550        }, toggleOutlineTree: function e() {
4551            if (!this.outline) {
4552                return
4553            }
4554            this._toggleOutlineItem(this.container, !this.lastToggleIsShow)
4555        }, render: function e(t) {
4556            var i = t && t.outline || null;
4557            var n = 0;
4558            if (this.outline) {
4559                this.reset()
4560            }
4561            this.outline = i;
4562            if (!i) {
4563                return
4564            }
4565            var a = document.createDocumentFragment();
4566            var o = [{parent: a, items: this.outline}];
4567            var r = false;
4568            while (o.length > 0) {
4569                var s = o.shift();
4570                var l = s.custom;
4571                for (var c = 0, u = s.items.length; c < u; c++) {
4572                    var d = s.items[c];
4573                    var f = document.createElement("div");
4574                    f.className = this.outlineItemClass;
4575                    var h = document.createElement("a");
4576                    if (d.custom == null && l != null) d.custom = l;
4577                    this._bindLink(h, d);
4578                    h.textContent = d.title.replace(/\x00/g, "");
4579                    f.appendChild(h);
4580                    if (d.items && d.items.length > 0) {
4581                        r = true;
4582                        this._addToggleButton(f);
4583                        var p = document.createElement("div");
4584                        p.className = this.outlineItemClass + "s";
4585                        f.appendChild(p);
4586                        o.push({parent: p, custom: d.custom, items: d.items})
4587                    }
4588                    s.parent.appendChild(f);
4589                    n++
4590                }
4591            }
4592            if (r) {
4593                if (this.container.classList != null) {
4594                    this.container.classList.add(this.outlineItemClass + "s")
4595                } else if (this.container.className != null) {
4596                    this.container.className += " picWindow"
4597                }
4598            }
4599            this.container.appendChild(a);
4600            this._dispatchEvent(n)
4601        }
4602    };
4603    return t
4604}();
4605var DFLightBox = function e(t) {
4606    function i(e, i) {
4607        this.duration = 300;
4608        var n = this;
4609        n.lightboxWrapper = t("<div>").addClass("df-lightbox-wrapper");
4610        n.container = t("<div>").addClass("df-container").appendTo(n.lightboxWrapper);
4611        n.controls = t("<div>").addClass("df-lightbox-controls").appendTo(n.lightboxWrapper);
4612        n.closeButton = t("<div>").addClass("df-lightbox-close df-ui-btn").on("click", function () {
4613            n.close(e)
4614        }).appendTo(n.controls);
4615        n.lightboxWrapper.append(n.container);
4616        return n
4617    }
4618
4619    i.prototype.show = function (e) {
4620        if (this.lightboxWrapper.parent().length == 0) t("body").append(this.lightboxWrapper);
4621        t("html,body").addClass("df-lightbox-open");
4622        this.lightboxWrapper.fadeIn(this.duration, e);
4623        return this
4624    };
4625    i.prototype.close = function (e) {
4626        this.lightboxWrapper.fadeOut(this.duration);
4627        setTimeout(e, this.duration);
4628        t("html,body").removeClass("df-lightbox-open");
4629        return this
4630    };
4631    return i
4632}(jQuery);
4633DJFlipBook.Share = function e(t) {
4634    function i(e, i) {
4635        var n = this;
4636        var a = "<div>";
4637        var o = "df-share-button";
4638        var r = "width=500,height=400";
4639        n.isOpen = false;
4640        n.shareUrl = "";
4641        n.wrapper = t('<div class="df-share-wrapper" style="display: none;">').on("click", function (e) {
4642            n.close()
4643        });
4644        n.box = t('<div class="df-share-box">').on("click", function (e) {
4645            e.preventDefault();
4646            e.stopPropagation()
4647        }).appendTo(n.wrapper).html('<span class="df-share-title">' + i.text.share + "</span>");
4648        n.urlInput = t('<textarea class="df-share-url">').on("click", function () {
4649            t(this).select()
4650        });
4651        n.facebook = t(a, {class: o + " df-share-facebook " + i.icons["facebook"]}).on("click", function (e) {
4652            window.open("https://www.facebook.com/sharer/sharer.php?u=" + encodeURIComponent(n.shareUrl), "Sharer", r)
4653        });
4654        n.google = t(a, {class: o + " df-share-google " + i.icons["google"]}).on("click", function (e) {
4655            window.open("https://plus.google.com/share?url=" + encodeURIComponent(n.shareUrl), "Sharer", r)
4656        });
4657        n.twitter = t(a, {class: o + " df-share-twitter " + i.icons["twitter"]}).on("click", function (e) {
4658            window.open("http://twitter.com/share?url=" + encodeURIComponent(n.shareUrl), "Sharer", r)
4659        });
4660        n.mail = t("<a>", {
4661            class: o + " df-share-mail " + i.icons["mail"],
4662            href: "mailto:?subject=" + i.text["mailSubject"] + "&body=" + i.text["mailBody"].replace("{{url}}", encodeURIComponent(n.shareUrl)),
4663            target: "_blank"
4664        }).on("click", function (e) {
4665            t(this).attr("href", "mailto:?subject=" + i.text["mailSubject"] + "&body=" + i.text["mailBody"].replace("{{url}}", encodeURIComponent(n.shareUrl)));
4666            e.stopPropagation()
4667        });
4668        n.box.append(n.urlInput).append(n.facebook).append(n.twitter).append(n.mail);
4669        t(e).append(n.wrapper)
4670    }
4671
4672    i.prototype.show = function () {
4673        this.wrapper.fadeIn(300);
4674        this.urlInput.val(this.shareUrl);
4675        this.urlInput.trigger("click");
4676        this.isOpen = true
4677    };
4678    i.prototype.dispose = function () {
4679        var e = this;
4680        e.box.off();
4681        e.google.off();
4682        e.twitter.off();
4683        e.facebook.off();
4684        e.mail.off();
4685        e.urlInput.off();
4686        e.wrapper.off().remove()
4687    };
4688    i.prototype.close = function () {
4689        this.wrapper.fadeOut(300);
4690        this.isOpen = false
4691    };
4692    i.prototype.update = function (e) {
4693        this.shareUrl = e
4694    };
4695    return i
4696}(jQuery);
4697DJFlipBook.Popup = function e(t) {
4698    function i(e, i) {
4699        var n = this;
4700        var a = "<div>";
4701        var o = "width=500,height=400";
4702        n.isOpen = false;
4703        n.wrapper = t('<div class="df-popup-wrapper" style="display: none;">').on("click", function (e) {
4704            n.close()
4705        });
4706        n.box = t('<div class="df-popup-box">').on("click", function (e) {
4707            e.preventDefault();
4708            e.stopPropagation()
4709        }).appendTo(n.wrapper);
4710        t(e).append(n.wrapper)
4711    }
4712
4713    i.prototype.show = function () {
4714        this.wrapper.fadeIn(300);
4715        this.isOpen = true
4716    };
4717    i.prototype.dispose = function () {
4718        var e = this;
4719        e.box.off();
4720        e.wrapper.off().remove()
4721    };
4722    i.prototype.close = function () {
4723        this.wrapper.fadeOut(300);
4724        this.isOpen = false
4725    };
4726    return i
4727}(jQuery);
4728var PDFLinkService = function () {
4729    function e() {
4730        this.baseUrl = null;
4731        this.pdfDocument = null;
4732        this.pdfViewer = null;
4733        this.pdfHistory = null;
4734        this._pagesRefCache = null
4735    }
4736
4737    e.prototype = {
4738        dispose: function () {
4739            this.baseUrl = null;
4740            this.pdfDocument = null;
4741            this.pdfViewer = null;
4742            this.pdfHistory = null;
4743            this._pagesRefCache = null
4744        }, setDocument: function e(t, i) {
4745            this.baseUrl = i;
4746            this.pdfDocument = t;
4747            this._pagesRefCache = Object.create(null)
4748        }, setViewer: function e(t) {
4749            this.pdfViewer = t;
4750            this.externalLinkTarget = t.previewObject.options.linkTarget
4751        }, setHistory: function e(t) {
4752            this.pdfHistory = t
4753        }, get pagesCount() {
4754            return this.pdfDocument.numPages
4755        }, get page() {
4756            return this.pdfViewer.currentPageNumber
4757        }, set page(e) {
4758            this.pdfViewer.currentPageNumber = e
4759        }, navigateTo: function e(t) {
4760            var i = "";
4761            var n = this;
4762            var a = function (e) {
4763                var o = e instanceof Object ? n._pagesRefCache[e.num + " " + e.gen + " R"] : e + 1;
4764                if (o) {
4765                    if (n.pdfViewer.contentProvider.options.pageSize == DJFlipBook.PAGE_SIZE.DOUBLEINTERNAL && o > 2) {
4766                        o = o * 2 - 1
4767                    }
4768                    if (o > n.pdfViewer.pageCount) {
4769                        o = n.pdfViewer.pageCount
4770                    }
4771                    n.pdfViewer.gotoPage(o);
4772                    if (n.pdfHistory) {
4773                        n.pdfHistory.push({dest: t, hash: i, page: o})
4774                    }
4775                } else {
4776                    n.pdfDocument.getPageIndex(e).then(function (t) {
4777                        var i = t + 1;
4778                        var o = e.num + " " + e.gen + " R";
4779                        n._pagesRefCache[o] = i;
4780                        a(e)
4781                    })
4782                }
4783            };
4784            var o;
4785            if (typeof t === "string") {
4786                i = t;
4787                o = this.pdfDocument.getDestination(t)
4788            } else {
4789                o = Promise.resolve(t)
4790            }
4791            o.then(function (e) {
4792                t = e;
4793                if (!(e instanceof Array)) {
4794                    return
4795                }
4796                a(e[0])
4797            })
4798        }, customNavigateTo: function e(t) {
4799            if (t == "" || t == null || t == "null") return;
4800            var i = null;
4801            if (!isNaN(Math.round(t))) {
4802                i = t
4803            } else if (typeof t === "string") {
4804                i = parseInt(t.replace("#", ""), 10);
4805                if (isNaN(i)) {
4806                    window.open(t, DJFlipBook.defaults.linkTarget == DJFlipBook.LINK_TARGET.SELF ? "_self" : "_blank");
4807                    return
4808                }
4809            }
4810            if (i != null) this.pdfViewer.gotoPage(i)
4811        }, getDestinationHash: function e(t) {
4812            if (typeof t === "string") {
4813                return this.getAnchorUrl("#" + escape(t))
4814            }
4815            if (t instanceof Array) {
4816                var i = t[0];
4817                var n = i instanceof Object ? this._pagesRefCache[i.num + " " + i.gen + " R"] : i + 1;
4818                if (n) {
4819                    var a = this.getAnchorUrl("#page=" + n);
4820                    var o = t[1];
4821                    if (typeof o === "object" && "name" in o && o.name === "XYZ") {
4822                        var r = t[4] || this.pdfViewer.currentScaleValue;
4823                        var s = parseFloat(r);
4824                        if (s) {
4825                            r = s * 100
4826                        }
4827                        a += "&zoom=" + r;
4828                        if (t[2] || t[3]) {
4829                            a += "," + (t[2] || 0) + "," + (t[3] || 0)
4830                        }
4831                    }
4832                    return a
4833                }
4834            }
4835            return this.getAnchorUrl("")
4836        }, getCustomDestinationHash: function e(t) {
4837            return "#" + escape(t)
4838        }, getAnchorUrl: function e(t) {
4839            return (this.baseUrl || "") + t
4840        }, setHash: function e(t) {
4841            if (t.indexOf("=") >= 0) {
4842                var i = parseQueryString(t);
4843                if ("nameddest" in i) {
4844                    if (this.pdfHistory) {
4845                        this.pdfHistory.updateNextHashParam(i.nameddest)
4846                    }
4847                    this.navigateTo(i.nameddest);
4848                    return
4849                }
4850                var n, a;
4851                if ("page" in i) {
4852                    n = i.page | 0 || 1
4853                }
4854                if ("zoom" in i) {
4855                    var o = i.zoom.split(",");
4856                    var r = o[0];
4857                    var s = parseFloat(r);
4858                    if (r.indexOf("Fit") === -1) {
4859                        a = [null, {name: "XYZ"}, o.length > 1 ? o[1] | 0 : null, o.length > 2 ? o[2] | 0 : null, s ? s / 100 : r]
4860                    } else {
4861                        if (r === "Fit" || r === "FitB") {
4862                            a = [null, {name: r}]
4863                        } else if (r === "FitH" || r === "FitBH" || (r === "FitV" || r === "FitBV")) {
4864                            a = [null, {name: r}, o.length > 1 ? o[1] | 0 : null]
4865                        } else if (r === "FitR") {
4866                            if (o.length !== 5) {
4867                                console.error("PDFLinkService_setHash: " + "Not enough parameters for 'FitR'.")
4868                            } else {
4869                                a = [null, {name: r}, o[1] | 0, o[2] | 0, o[3] | 0, o[4] | 0]
4870                            }
4871                        } else {
4872                            console.error("PDFLinkService_setHash: '" + r + "' is not a valid zoom value.")
4873                        }
4874                    }
4875                }
4876                if (a) {
4877                    this.pdfViewer.scrollPageIntoView(n || this.page, a)
4878                } else if (n) {
4879                    this.page = n
4880                }
4881                if ("pagemode" in i) {
4882                    var l = document.createEvent("CustomEvent");
4883                    l.initCustomEvent("pagemode", true, true, {mode: i.pagemode});
4884                    this.pdfViewer.container.dispatchEvent(l)
4885                }
4886            } else if (/^\d+$/.test(t)) {
4887                this.page = t
4888            } else {
4889                if (this.pdfHistory) {
4890                    this.pdfHistory.updateNextHashParam(unescape(t))
4891                }
4892                this.navigateTo(unescape(t))
4893            }
4894        }, executeNamedAction: function e(t) {
4895            switch (t) {
4896                case"GoBack":
4897                    if (this.pdfHistory) {
4898                        this.pdfHistory.back()
4899                    }
4900                    break;
4901                case"GoForward":
4902                    if (this.pdfHistory) {
4903                        this.pdfHistory.forward()
4904                    }
4905                    break;
4906                case"NextPage":
4907                    this.page++;
4908                    break;
4909                case"PrevPage":
4910                    this.page--;
4911                    break;
4912                case"LastPage":
4913                    this.page = this.pagesCount;
4914                    break;
4915                case"FirstPage":
4916                    this.page = 1;
4917                    break;
4918                default:
4919                    break
4920            }
4921            var i = document.createEvent("CustomEvent");
4922            i.initCustomEvent("namedaction", true, true, {action: t});
4923            this.pdfViewer.container.dispatchEvent(i)
4924        }, cachePageRef: function e(t, i) {
4925            var n = i.num + " " + i.gen + " R";
4926            this._pagesRefCache[n] = t
4927        }
4928    };
4929    return e
4930}();
4931var FindStates = {FIND_FOUND: 0, FIND_NOTFOUND: 1, FIND_WRAPPED: 2, FIND_PENDING: 3};
4932var FIND_SCROLL_OFFSET_TOP = -50;
4933var FIND_SCROLL_OFFSET_LEFT = -400;
4934var CHARACTERS_TO_NORMALIZE = {
4935    "‘": "'",
4936    "’": "'",
4937    "‚": "'",
4938    "‛": "'",
4939    "“": '"',
4940    "”": '"',
4941    "„": '"',
4942    "‟": '"',
4943    "¼": "1/4",
4944    "½": "1/2",
4945    "¾": "3/4"
4946};
4947DJFlipBook.PDFFindController = function e() {
4948    function t(e) {
4949        this.pdfViewer = e.pdfViewer || null;
4950        this.onUpdateResultsCount = null;
4951        this.onUpdateState = null;
4952        this.reset();
4953        var t = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
4954        this.normalizationRegex = new RegExp("[" + t + "]", "g")
4955    }
4956
4957    t.prototype = {
4958        reset: function e() {
4959            this.startedTextExtraction = false;
4960            this.extractTextPromises = [];
4961            this.pendingFindMatches = Object.create(null);
4962            this.active = false;
4963            this.pageContents = [];
4964            this.pageMatches = [];
4965            this.pageMatchesLength = null;
4966            this.matchCount = 0;
4967            this.selected = {pageIdx: -1, matchIdx: -1};
4968            this.offset = {pageIdx: null, matchIdx: null};
4969            this.pagesToSearch = null;
4970            this.resumePageIdx = null;
4971            this.state = null;
4972            this.dirtyMatch = false;
4973            this.findTimeout = null;
4974            this.firstPagePromise = new Promise(function (e) {
4975                this.resolveFirstPage = e
4976            }.bind(this))
4977        }, normalize: function e(t) {
4978            return t.replace(this.normalizationRegex, function (e) {
4979                return CHARACTERS_TO_NORMALIZE[e]
4980            })
4981        }, _prepareMatches: function e(t, i, n) {
4982            function a(e, t) {
4983                var i, n, a;
4984                i = e[t];
4985                a = e[t + 1];
4986                if (t < e.length - 1 && i.match === a.match) {
4987                    i.skipped = true;
4988                    return true
4989                }
4990                for (var o = t - 1; o >= 0; o--) {
4991                    n = e[o];
4992                    if (n.skipped) {
4993                        continue
4994                    }
4995                    if (n.match + n.matchLength < i.match) {
4996                        break
4997                    }
4998                    if (n.match + n.matchLength >= i.match + i.matchLength) {
4999                        i.skipped = true;
5000                        return true
5001                    }
5002                }
5003                return false
5004            }
5005
5006            var o, r;
5007            t.sort(function (e, t) {
5008                return e.match === t.match ? e.matchLength - t.matchLength : e.match - t.match
5009            });
5010            for (o = 0, r = t.length; o < r; o++) {
5011                if (a(t, o)) {
5012                    continue
5013                }
5014                i.push(t[o].match);
5015                n.push(t[o].matchLength)
5016            }
5017        }, calcFindPhraseMatch: function e(t, i, n) {
5018            var a = [];
5019            var o = t.length;
5020            var r = -o;
5021            while (true) {
5022                r = n.indexOf(t, r + o);
5023                if (r === -1) {
5024                    break
5025                }
5026                a.push(r)
5027            }
5028            this.pageMatches[i] = a
5029        }, calcFindWordMatch: function e(t, i, n) {
5030            var a = [];
5031            var o = t.match(/\S+/g);
5032            var r, s, l;
5033            for (var c = 0, u = o.length; c < u; c++) {
5034                r = o[c];
5035                s = r.length;
5036                l = -s;
5037                while (true) {
5038                    l = n.indexOf(r, l + s);
5039                    if (l === -1) {
5040                        break
5041                    }
5042                    a.push({match: l, matchLength: s, skipped: false})
5043                }
5044            }
5045            if (!this.pageMatchesLength) {
5046                this.pageMatchesLength = []
5047            }
5048            this.pageMatchesLength[i] = [];
5049            this.pageMatches[i] = [];
5050            this._prepareMatches(a, this.pageMatches[i], this.pageMatchesLength[i])
5051        }, calcFindMatch: function e(t) {
5052            var i = this.normalize(this.pageContents[t]);
5053            var n = this.normalize(this.state.query);
5054            var a = this.state.caseSensitive;
5055            var o = this.state.phraseSearch;
5056            var r = n.length;
5057            if (r === 0) {
5058                return
5059            }
5060            if (!a) {
5061                i = i.toLowerCase();
5062                n = n.toLowerCase()
5063            }
5064            if (o) {
5065                this.calcFindPhraseMatch(n, t, i)
5066            } else {
5067                this.calcFindWordMatch(n, t, i)
5068            }
5069            this.updatePage(t);
5070            if (this.resumePageIdx === t) {
5071                this.resumePageIdx = null;
5072                this.nextPageMatch()
5073            }
5074            if (this.pageMatches[t].length > 0) {
5075                this.matchCount += this.pageMatches[t].length;
5076                this.updateUIResultsCount()
5077            }
5078        }, extractText: function e() {
5079            if (this.startedTextExtraction) {
5080                return
5081            }
5082            this.startedTextExtraction = true;
5083            this.pageContents = [];
5084            var t = [];
5085            var i = this.pdfViewer.contentProvider.pdfDocument.numPages;
5086            for (var n = 0; n < i; n++) {
5087                this.extractTextPromises.push(new Promise(function (e) {
5088                    t.push(e)
5089                }))
5090            }
5091            var a = this;
5092
5093            function o(e) {
5094                a.pdfViewer.getPageTextContent(e).then(function i(n) {
5095                    var r = n.items;
5096                    var s = [];
5097                    for (var l = 0, c = r.length; l < c; l++) {
5098                        s.push(r[l].str)
5099                    }
5100                    a.pageContents.push(s.join(""));
5101                    t[e](e);
5102                    console.log("extracting Page" + e);
5103                    if (e + 1 < a.pdfViewer.contentProvider.pdfDocument.numPages) {
5104                        o(e + 1)
5105                    }
5106                })
5107            }
5108
5109            o(0)
5110        }, executeCommand: function e(t, i) {
5111            if (this.state === null || t !== "findagain") {
5112                this.dirtyMatch = true
5113            }
5114            this.state = i;
5115            this.updateUIState(FindStates.FIND_PENDING);
5116            this.firstPagePromise.then(function () {
5117                this.extractText();
5118                clearTimeout(this.findTimeout);
5119                if (t === "find") {
5120                    this.findTimeout = setTimeout(this.nextMatch.bind(this), 250)
5121                } else {
5122                    this.nextMatch()
5123                }
5124            }.bind(this))
5125        }, updatePage: function e(t) {
5126            if (this.selected.pageIdx === t) {
5127                this.pdfViewer.currentPageNumber = t + 1
5128            }
5129            var i = this.pdfViewer.getPageView(t);
5130            if (i.textLayer) {
5131                i.textLayer.updateMatches()
5132            }
5133        }, nextMatch: function e() {
5134            var t = this.state.findPrevious;
5135            var i = this.pdfViewer.currentPageNumber - 1;
5136            var n = this.pdfViewer.contentProvider.pageCount;
5137            this.active = true;
5138            if (this.dirtyMatch) {
5139                this.dirtyMatch = false;
5140                this.selected.pageIdx = this.selected.matchIdx = -1;
5141                this.offset.pageIdx = i;
5142                this.offset.matchIdx = null;
5143                this.hadMatch = false;
5144                this.resumePageIdx = null;
5145                this.pageMatches = [];
5146                this.matchCount = 0;
5147                this.pageMatchesLength = null;
5148                var a = this;
5149                for (var o = 0; o < n; o++) {
5150                    this.updatePage(o);
5151                    if (!(o in this.pendingFindMatches)) {
5152                        this.pendingFindMatches[o] = true;
5153                        this.extractTextPromises[o].then(function (e) {
5154                            delete a.pendingFindMatches[e];
5155                            a.calcFindMatch(e)
5156                        })
5157                    }
5158                }
5159            }
5160            if (this.state.query === "") {
5161                this.updateUIState(FindStates.FIND_FOUND);
5162                return
5163            }
5164            if (this.resumePageIdx) {
5165                return
5166            }
5167            var r = this.offset;
5168            this.pagesToSearch = n;
5169            if (r.matchIdx !== null) {
5170                var s = this.pageMatches[r.pageIdx].length;
5171                if (!t && r.matchIdx + 1 < s || t && r.matchIdx > 0) {
5172                    this.hadMatch = true;
5173                    r.matchIdx = t ? r.matchIdx - 1 : r.matchIdx + 1;
5174                    this.updateMatch(true);
5175                    return
5176                }
5177                this.advanceOffsetPage(t)
5178            }
5179            this.nextPageMatch()
5180        }, matchesReady: function e(t) {
5181            var i = this.offset;
5182            var n = t.length;
5183            var a = this.state.findPrevious;
5184            if (n) {
5185                this.hadMatch = true;
5186                i.matchIdx = a ? n - 1 : 0;
5187                this.updateMatch(true);
5188                return true
5189            }
5190            this.advanceOffsetPage(a);
5191            if (i.wrapped) {
5192                i.matchIdx = null;
5193                if (this.pagesToSearch < 0) {
5194                    this.updateMatch(false);
5195                    return true
5196                }
5197            }
5198            return false
5199        }, updateMatchPosition: function e(t, i, n, a) {
5200            if (this.selected.matchIdx === i && this.selected.pageIdx === t) {
5201                var o = {top: FIND_SCROLL_OFFSET_TOP, left: FIND_SCROLL_OFFSET_LEFT};
5202                scrollIntoView(n[a], o, true)
5203            }
5204        }, nextPageMatch: function e() {
5205            if (this.resumePageIdx !== null) {
5206                console.error("There can only be one pending page.")
5207            }
5208            do {
5209                var t = this.offset.pageIdx;
5210                var i = this.pageMatches[t];
5211                if (!i) {
5212                    this.resumePageIdx = t;
5213                    break
5214                }
5215            } while (!this.matchesReady(i))
5216        }, advanceOffsetPage: function e(t) {
5217            var i = this.offset;
5218            var n = this.extractTextPromises.length;
5219            i.pageIdx = t ? i.pageIdx - 1 : i.pageIdx + 1;
5220            i.matchIdx = null;
5221            this.pagesToSearch--;
5222            if (i.pageIdx >= n || i.pageIdx < 0) {
5223                i.pageIdx = t ? n - 1 : 0;
5224                i.wrapped = true
5225            }
5226        }, updateMatch: function e(t) {
5227            var i = FindStates.FIND_NOTFOUND;
5228            var n = this.offset.wrapped;
5229            this.offset.wrapped = false;
5230            if (t) {
5231                var a = this.selected.pageIdx;
5232                this.selected.pageIdx = this.offset.pageIdx;
5233                this.selected.matchIdx = this.offset.matchIdx;
5234                i = n ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
5235                if (a !== -1 && a !== this.selected.pageIdx) {
5236                    this.updatePage(a)
5237                }
5238            }
5239            this.updateUIState(i, this.state.findPrevious);
5240            if (this.selected.pageIdx !== -1) {
5241                this.updatePage(this.selected.pageIdx)
5242            }
5243        }, updateUIResultsCount: function e() {
5244            if (this.onUpdateResultsCount) {
5245                this.onUpdateResultsCount(this.matchCount)
5246            }
5247        }, updateUIState: function e(t, i) {
5248            if (this.onUpdateState) {
5249                this.onUpdateState(t, i, this.matchCount)
5250            }
5251        }
5252    };
5253    return t
5254}();
5255DJFlipBook.TextLayerBuilder = function e() {
5256    function t(e) {
5257        this.textLayerDiv = e.textLayerDiv;
5258        this.renderingDone = false;
5259        this.divContentDone = false;
5260        this.pageIdx = e.pageIndex;
5261        this.pageNumber = this.pageIdx + 1;
5262        this.matches = [];
5263        this.viewport = e.viewport;
5264        this.textDivs = [];
5265        this.findController = e.findController || null;
5266        this.textLayerRenderTask = null;
5267        this.enhanceTextSelection = e.enhanceTextSelection;
5268        this._bindMouse()
5269    }
5270
5271    t.prototype = {
5272        _finishRendering: function e() {
5273            this.renderingDone = true;
5274            if (!this.enhanceTextSelection) {
5275                var t = document.createElement("div");
5276                t.className = "endOfContent";
5277                this.textLayerDiv.appendChild(t)
5278            }
5279        }, render: function e(t) {
5280            if (!this.divContentDone || this.renderingDone) {
5281                return
5282            }
5283            if (this.textLayerRenderTask) {
5284                this.textLayerRenderTask.cancel();
5285                this.textLayerRenderTask = null
5286            }
5287            this.textDivs = [];
5288            var i = document.createDocumentFragment();
5289            this.textLayerRenderTask = pdfjsLib.renderTextLayer({
5290                textContent: this.textContent,
5291                container: i,
5292                viewport: this.viewport,
5293                textDivs: this.textDivs,
5294                timeout: t,
5295                enhanceTextSelection: this.enhanceTextSelection
5296            });
5297            this.textLayerRenderTask.promise.then(function () {
5298                this.textLayerDiv.appendChild(i);
5299                this._finishRendering();
5300                this.updateMatches()
5301            }.bind(this), function (e) {
5302            })
5303        }, setTextContent: function e(t) {
5304            if (this.textLayerRenderTask) {
5305                this.textLayerRenderTask.cancel();
5306                this.textLayerRenderTask = null
5307            }
5308            this.textContent = t;
5309            this.divContentDone = true
5310        }, convertMatches: function e(t, i) {
5311            var n = 0;
5312            var a = 0;
5313            var o = this.textContent.items;
5314            var r = o.length - 1;
5315            var s = this.findController === null ? 0 : this.findController.state.query.length;
5316            var l = [];
5317            if (!t) {
5318                return l
5319            }
5320            for (var c = 0, u = t.length; c < u; c++) {
5321                var d = t[c];
5322                while (n !== r && d >= a + o[n].str.length) {
5323                    a += o[n].str.length;
5324                    n++
5325                }
5326                if (n === o.length) {
5327                    console.error("Could not find a matching mapping")
5328                }
5329                var f = {begin: {divIdx: n, offset: d - a}};
5330                if (i) {
5331                    d += i[c]
5332                } else {
5333                    d += s
5334                }
5335                while (n !== r && d > a + o[n].str.length) {
5336                    a += o[n].str.length;
5337                    n++
5338                }
5339                f.end = {divIdx: n, offset: d - a};
5340                l.push(f)
5341            }
5342            return l
5343        }, renderMatches: function e(t) {
5344            if (t.length === 0) {
5345                return
5346            }
5347            var i = this.textContent.items;
5348            var n = this.textDivs;
5349            var a = null;
5350            var o = this.pageIdx;
5351            var r = this.findController === null ? false : o === this.findController.selected.pageIdx;
5352            var s = this.findController === null ? -1 : this.findController.selected.matchIdx;
5353            var l = this.findController === null ? false : this.findController.state.highlightAll;
5354            var c = {divIdx: -1, offset: undefined};
5355
5356            function u(e, t) {
5357                var i = e.divIdx;
5358                n[i].textContent = "";
5359                d(i, 0, e.offset, t)
5360            }
5361
5362            function d(e, t, a, o) {
5363                var r = n[e];
5364                var s = i[e].str.substring(t, a);
5365                var l = document.createTextNode(s);
5366                if (o) {
5367                    var c = document.createElement("span");
5368                    c.className = o;
5369                    c.appendChild(l);
5370                    r.appendChild(c);
5371                    return
5372                }
5373                r.appendChild(l)
5374            }
5375
5376            var f = s, h = f + 1;
5377            if (l) {
5378                f = 0;
5379                h = t.length
5380            } else if (!r) {
5381                return
5382            }
5383            for (var p = f; p < h; p++) {
5384                var g = t[p];
5385                var v = g.begin;
5386                var m = g.end;
5387                var b = r && p === s;
5388                var w = b ? " selected" : "";
5389                if (this.findController) {
5390                    this.findController.updateMatchPosition(o, p, n, v.divIdx)
5391                }
5392                if (!a || v.divIdx !== a.divIdx) {
5393                    if (a !== null) {
5394                        d(a.divIdx, a.offset, c.offset)
5395                    }
5396                    u(v)
5397                } else {
5398                    d(a.divIdx, a.offset, v.offset)
5399                }
5400                if (v.divIdx === m.divIdx) {
5401                    d(v.divIdx, v.offset, m.offset, "highlight" + w)
5402                } else {
5403                    d(v.divIdx, v.offset, c.offset, "highlight begin" + w);
5404                    for (var x = v.divIdx + 1, P = m.divIdx; x < P; x++) {
5405                        n[x].className = "highlight middle" + w
5406                    }
5407                    u(m, "highlight end" + w)
5408                }
5409                a = m
5410            }
5411            if (a) {
5412                d(a.divIdx, a.offset, c.offset)
5413            }
5414        }, updateMatches: function e() {
5415            if (!this.renderingDone) {
5416                return
5417            }
5418            var t = this.matches;
5419            var i = this.textDivs;
5420            var n = this.textContent.items;
5421            var a = -1;
5422            for (var o = 0, r = t.length; o < r; o++) {
5423                var s = t[o];
5424                var l = Math.max(a, s.begin.divIdx);
5425                for (var c = l, u = s.end.divIdx; c <= u; c++) {
5426                    var d = i[c];
5427                    d.textContent = n[c].str;
5428                    d.className = ""
5429                }
5430                a = s.end.divIdx + 1
5431            }
5432            if (this.findController === null || !this.findController.active) {
5433                return
5434            }
5435            var f, h;
5436            if (this.findController !== null) {
5437                f = this.findController.pageMatches[this.pageIdx] || null;
5438                h = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null
5439            }
5440            this.matches = this.convertMatches(f, h);
5441            this.renderMatches(this.matches)
5442        }, _bindMouse: function e() {
5443            var t = this.textLayerDiv;
5444            var i = this;
5445            t.addEventListener("mousedown", function (e) {
5446                if (i.enhanceTextSelection && i.textLayerRenderTask) {
5447                    i.textLayerRenderTask.expandTextDivs(true);
5448                    return
5449                }
5450                var n = t.querySelector(".endOfContent");
5451                if (!n) {
5452                    return
5453                }
5454                var a = e.target !== t;
5455                a = a && window.getComputedStyle(n).getPropertyValue("-moz-user-select") !== "none";
5456                if (a) {
5457                    var o = t.getBoundingClientRect();
5458                    var r = Math.max(0, (e.pageY - o.top) / o.height);
5459                    n.style.top = (r * 100).toFixed(2) + "%"
5460                }
5461                n.classList.add("active")
5462            });
5463            t.addEventListener("mouseup", function (e) {
5464                if (i.enhanceTextSelection && i.textLayerRenderTask) {
5465                    i.textLayerRenderTask.expandTextDivs(false);
5466                    return
5467                }
5468                var n = t.querySelector(".endOfContent");
5469                if (!n) {
5470                    return
5471                }
5472                n.style.top = "";
5473                n.classList.remove("active")
5474            })
5475        }
5476    };
5477    return t
5478}();
5479DJFlipBook.ConvertPageLinks = function () {
5480    var e = arguments[0] / 100, t = arguments[1] / 100;
5481    var i = function (i, n, a, o, r) {
5482        return {x: i / e, y: n / t, w: a / e, h: o / t, dest: r}
5483    };
5484    var n = [];
5485    var a;
5486    for (var o = 2; o < arguments.length; o++) {
5487        a = arguments[o];
5488        n[o - 2] = i.apply(this, a)
5489    }
5490    return n
5491};
5492DJFlipBook.parseLinks = function (e) {
5493    var t;
5494    if (e != null && e.length > 0) {
5495        for (var i = 0; i < e.length; i++) {
5496            t = e[i];
5497            if (t != null && t[0] != null && t[0].dest == null) {
5498                t = DJFlipBook.ConvertPageLinks.apply(this, t);
5499                e[i] = t
5500            }
5501        }
5502    }
5503    return e
5504};
5505(function (e) {
5506    function t(e) {
5507        return e == "true" || e == true
5508    }
5509
5510    function i(e) {
5511        if (e.webgl != null) e.webgl = t(e.webgl);
5512        if (e.enableDownload != null) e.enableDownload = t(e.enableDownload);