1"use strict";(self.webpackChunk_N_E=self.webpackChunk_N_E||[]).push([[925],{60925:(e,t,r)=>{r.r(t),r.d(t,{default:()=>i,frontmatter:()=>n});var s=r(95155),o=r(5674);r(88145),r(88482),r(49026),r(34964);let n={title:"WOFF to SVG Converter: Web Open Font Format to Vector Graphics",description:"Professional WOFF to SVG converter with compression handling, metadata preservation, and web optimization. Convert compressed web fonts to editable SVG paths.",keywords:["WOFF to SVG","Web font converter","WOFF decompression","font to vector","web typography","font extraction"],author:"SVG AI Team",date:"2025-01-17",category:"Typography Converters",subcategory:"Web Fonts",featured:!0,views:0,likes:0};function a(e){let t={h1:"h1",h2:"h2",h3:"h3",li:"li",p:"p",strong:"strong",ul:"ul",...(0,o.R)(),...e.components},{FAQSection:r,RelatedConverters:n,WOFFToSVGConverter:a}=t;return r||c("FAQSection",!0),n||c("RelatedConverters",!0),a||c("WOFFToSVGConverter",!0),(0,s.jsxs)(s.Fragment,{children:[(0,s.jsx)(t.h1,{children:"WOFF to SVG Converter: Web Font Decompression and Vector Extraction"}),"\n",(0,s.jsx)(t.h2,{children:"Understanding Web Open Font Format"}),"\n",(0,s.jsx)(t.p,{children:"Web Open Font Format (WOFF) revolutionized web typography by providing compressed font delivery specifically optimized for web use. Created by Mozilla, Opera, and Microsoft, WOFF wraps TrueType or OpenType fonts with compression and metadata, reducing file sizes by approximately 40% while maintaining complete font fidelity. Converting WOFF to SVG involves decompression, font table reconstruction, and intelligent path extraction."}),"\n",(0,s.jsx)(a,{}),"\n",(0,s.jsx)(t.h2,{children:"WOFF Architecture and Compression"}),"\n",(0,s.jsx)(t.h3,{children:"The WOFF Container Structure"}),"\n",(0,s.jsx)(t.p,{children:"WOFF files consist of:"}),"\n",(0,s.jsxs)(t.ul,{children:["\n",(0,s.jsxs)(t.li,{children:[(0,s.jsx)(t.strong,{children:"File header"}),": Magic number, version, and table directory"]}),"\n",(0,s.jsxs)(t.li,{children:[(0,s.jsx)(t.strong,{children:"Compressed tables"}),": zlib-compressed font data"]}),"\n",(0,s.jsxs)(t.li,{children:[(0,s.jsx)(t.strong,{children:"Metadata block"}),": Optional XML font information"]}),"\n",(0,s.jsxs)(t.li,{children:[(0,s.jsx)(t.strong,{children:"Private data"}),": Optional vendor-specific information"]}),"\n"]}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// WOFF header structure parsing 2class WOFFParser { 3constructor(buffer) { 4 this.data = new DataView(buffer); 5 this.offset = 0; 6} 7 8parseHeader() { 9 return { 10 signature: this.readUInt32(), // 0x774F4646 ('wOFF') 11 flavor: this.readUInt32(), // Font type (TrueType or CFF) 12 length: this.readUInt32(), // Total WOFF file size 13 numTables: this.readUInt16(), // Number of font tables 14 reserved: this.readUInt16(), // Must be zero 15 totalSfntSize: this.readUInt32(), // Uncompressed size 16 majorVersion: this.readUInt16(), 17 minorVersion: this.readUInt16(), 18 metaOffset: this.readUInt32(), 19 metaLength: this.readUInt32(), 20 metaOrigLength: this.readUInt32(), 21 privOffset: this.readUInt32(), 22 privLength: this.readUInt32() 23 }; 24} 25}`}),"\n",(0,s.jsx)(t.h3,{children:"Zlib Decompression Process"}),"\n",(0,s.jsx)(t.p,{children:"WOFF uses zlib compression for font tables:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Intelligent decompression with error handling 26const decompressWOFFTable = async (compressedData, originalLength) => { 27try { 28 // Check if data is actually compressed 29 if (compressedData.length >= originalLength) { 30 // Data wasn't compressed, return as-is 31 return compressedData; 32 } 33 34 // Perform zlib decompression 35 const inflated = pako.inflate(compressedData); 36 37 // Verify decompressed size 38 if (inflated.length !== originalLength) { 39 throw new Error(\`Decompression size mismatch: expected \${originalLength}, got \${inflated.length}\`); 40 } 41 42 return inflated; 43} catch (error) { 44 console.error('Decompression failed:', error); 45 // Attempt recovery with alternative methods 46 return attemptRecovery(compressedData, originalLength); 47} 48}; 49 50// Progressive decompression for large fonts 51const progressiveDecompress = async (woffData, onProgress) => { 52const tables = []; 53let processedBytes = 0; 54 55for (const table of woffData.tables) { 56 const decompressed = await decompressWOFFTable( 57 table.compressedData, 58 table.originalLength 59 ); 60 61 tables.push({ 62 tag: table.tag, 63 data: decompressed 64 }); 65 66 processedBytes += table.compressedData.length; 67 onProgress(processedBytes / woffData.totalSize); 68} 69 70return reconstructFont(tables); 71};`}),"\n",(0,s.jsx)(t.h2,{children:"Font Table Reconstruction"}),"\n",(0,s.jsx)(t.h3,{children:"Critical Table Priority"}),"\n",(0,s.jsx)(t.p,{children:"Not all tables are needed for SVG conversion:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Table priority for SVG conversion 72const TABLE_PRIORITY = { 73// Essential tables 74'cmap': 1, // Character to glyph mapping 75'glyf': 1, // Glyph data (TrueType) 76'CFF ': 1, // Glyph data (PostScript) 77'head': 1, // Font header 78'hhea': 1, // Horizontal header 79'hmtx': 1, // Horizontal metrics 80'maxp': 1, // Maximum profile 81 82// Important for quality 83'name': 2, // Font names 84'OS/2': 2, // OS/2 metrics 85'post': 2, // PostScript information 86'vhea': 2, // Vertical header 87'vmtx': 2, // Vertical metrics 88 89// Optional but useful 90'kern': 3, // Kerning 91'GPOS': 3, // Advanced positioning
92'GSUB': 3, // Glyph substitution 93'feat': 3, // Feature table 94 95// Can be ignored for basic conversion 96'DSIG': 4, // Digital signature 97'hdmx': 4, // Horizontal device metrics 98'LTSH': 4, // Linear threshold 99'PCLT': 4, // PCL5 data 100'VDMX': 4 // Vertical device metrics 101}; 102 103// Selective table extraction 104const extractEssentialTables = (woffData, conversionMode) => { 105const requiredPriority = conversionMode === 'fast' ? 1 : 106 conversionMode === 'balanced' ? 2 : 3; 107 108return woffData.tables.filter(table => 109 TABLE_PRIORITY[table.tag] <= requiredPriority 110); 111};`}),"\n",(0,s.jsx)(t.h3,{children:"Font Reconstruction Algorithm"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Reconstruct valid font from decompressed tables 112class FontReconstructor { 113constructor(tables) { 114 this.tables = new Map(tables.map(t => [t.tag, t])); 115 this.validateTables(); 116} 117 118validateTables() { 119 // Check for required tables 120 const required = ['head', 'hhea', 'maxp', 'hmtx']; 121 const missing = required.filter(tag => !this.tables.has(tag)); 122 123 if (missing.length > 0) { 124 throw new Error(\`Missing required tables: \${missing.join(', ')}\`); 125 } 126 127 // Validate glyph data presence 128 if (!this.tables.has('glyf') && !this.tables.has('CFF ')) { 129 throw new Error('No glyph data found (neither glyf nor CFF)'); 130 } 131} 132 133buildFontObject() { 134 const font = { 135 version: this.tables.get('head').data.version, 136 unitsPerEm: this.tables.get('head').data.unitsPerEm, 137 glyphs: this.extractGlyphs(), 138 metrics: this.extractMetrics(), 139 names: this.extractNames(), 140 features: this.extractFeatures() 141 }; 142 143 return font; 144} 145 146extractGlyphs() { 147 if (this.tables.has('glyf')) { 148 return this.extractTrueTypeGlyphs(); 149 } else if (this.tables.has('CFF ')) { 150 return this.extractCFFGlyphs(); 151 } 152} 153}`}),"\n",(0,s.jsx)(t.h2,{children:"Web Font Metadata Preservation"}),"\n",(0,s.jsx)(t.h3,{children:"Extracting WOFF Metadata"}),"\n",(0,s.jsx)(t.p,{children:"WOFF includes optional metadata in XML format:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Parse WOFF metadata block 154const parseWOFFMetadata = (metadataBuffer) => { 155const decompressed = pako.inflate(metadataBuffer); 156const xmlString = new TextDecoder('utf-8').decode(decompressed); 157const parser = new DOMParser(); 158const doc = parser.parseFromString(xmlString, 'text/xml'); 159 160return { 161 uniqueid: doc.querySelector('uniqueid')?.textContent, 162 vendor: { 163 name: doc.querySelector('vendor name')?.textContent, 164 url: doc.querySelector('vendor url')?.textContent 165 }, 166 credits: Array.from(doc.querySelectorAll('credit')).map(credit => ({ 167 name: credit.querySelector('name')?.textContent, 168 role: credit.querySelector('role')?.textContent, 169 url: credit.querySelector('url')?.textContent 170 })), 171 description: doc.querySelector('description text')?.textContent, 172 license: { 173 url: doc.querySelector('license url')?.textContent, 174 text: doc.querySelector('license text')?.textContent 175 }, 176 copyright: doc.querySelector('copyright text')?.textContent, 177 trademark: doc.querySelector('trademark text')?.textContent 178}; 179}; 180 181// Embed metadata in SVG output 182const embedMetadataInSVG = (svg, metadata) => { 183const metadataElement = \` 184 <metadata> 185 <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 186 xmlns:dc="http://purl.org/dc/elements/1.1/" 187 xmlns:cc="http://creativecommons.org/ns#"> 188 <cc:Work> 189 <dc:title>\${metadata.vendor?.name || 'Unknown'}</dc:title> 190 <dc:creator>\${metadata.credits?.[0]?.name || 'Unknown'}</dc:creator> 191 <dc:description>\${metadata.description || ''}</dc:description> 192 <dc:rights>\${metadata.copyright || ''}</dc:rights> 193 <cc:license rdf:resource="\${metadata.license?.url || ''}"/> 194 </cc:Work> 195 </rdf:RDF> 196 </metadata> 197\`; 198 199return svg.replace('<svg', \`<svg\${metadataElement}\`); 200};`}),"\n",(0,s.jsx)(t.h2,{children:"Optimizing for SVG Output"}),"\n",(0,s.jsx)(t.h3,{children:"Subsetting Strategies"}),"\n",(0,s.jsx)(t.p,{children:"WOFF files often contain full character sets. Intelligent subsetting improves performance:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Dynamic subsetting based on usage 201class SmartSubsetter { 202constructor(font) { 203 this.font = font; 204 this.usageStats = new Map(); 205} 206 207analyzeUsage(text) { 208 // Track character frequency 209 for (const char of text) { 210 const count = this.usageStats.get(char) || 0; 211 this.usageStats.set(char, count + 1); 212 } 213} 214 215generateSubset(options = {}) { 216 const { 217 includeCommon = true, 218 threshold = 0.01, // Include chars used >1% of time 219 minChars = 100, // Minimum subset size 220 maxChars = 500 // Maximum subset size 221 } = options; 222 223 // Start with basic Latin if requested 224 const subset = new Set(); 225 if (includeCommon) { 226 for (let i = 0x20; i <= 0x7E; i++) { 227 subset.add(String.fromCharCode(i)); 228 } 229 } 230 231 // Add frequently used characters 232 const sorted = Array.from(this.usageStats.entries()) 233 .sort((a, b) => b[1] - a[1]); 234 235 const totalUsage = sorted.reduce((sum, [, count]) => sum + count, 0); 236 237 for (const [char, count] of sorted) { 238 if (subset.size >= maxChars) break; 239 if (count / totalUsage >= threshold || subset.size < minChars) { 240 subset.add(char); 241 } 242 } 243 244 return this.extractSubset(subset); 245} 246 247extractSubset(characters) { 248 const subset = { 249 glyphs: {}, 250 cmap: {}, 251 metrics: {} 252 }; 253 254 for (const char of characters) { 255 const unicode = char.charCodeAt(0); 256 const glyphId = this.font.cmap[unicode]; 257 258 if (glyphId) { 259 subset.glyphs[glyphId] = this.font.glyphs[glyphId]; 260 subset.cmap[unicode] = glyphId; 261 subset.metrics[glyphId] = this.font.metrics[glyphId]; 262 } 263 } 264 265 return subset; 266} 267}`}),"\n",(0,s.jsx)(t.h3,{children:"Path Optimization Techniques"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Advanced path optimization for web delivery 268class PathOptimizer { 269constructor(precision = 2) { 270 this.precision = precision; 271} 272 273optimizePath(pathData) { 274 let optimized = pathData; 275 276 // Step 1: Reduce coordinate precision
277 optimized = this.reducePrecision(optimized); 278 279 // Step 2: Convert absolute to relative commands 280 optimized = this.convertToRelative(optimized); 281 282 // Step 3: Combine consecutive similar commands 283 optimized = this.combineCommands(optimized); 284 285 // Step 4: Remove redundant points 286 optimized = this.removeRedundant(optimized); 287 288 // Step 5: Optimize curves 289 optimized = this.optimizeCurves(optimized); 290 291 return optimized; 292} 293 294reducePrecision(path) { 295 const factor = Math.pow(10, this.precision); 296 return path.replace(/(d+.d+)/g, (match) => { 297 return Math.round(parseFloat(match) * factor) / factor; 298 }); 299} 300 301convertToRelative(path) { 302 const commands = this.parsePath(path); 303 let x = 0, y = 0; 304 const relative = []; 305 306 commands.forEach(cmd => { 307 switch (cmd.type) { 308 case 'M': 309 relative.push(cmd); 310 x = cmd.x; 311 y = cmd.y; 312 break; 313 case 'L': 314 relative.push({ 315 type: 'l', 316 x: cmd.x - x, 317 y: cmd.y - y 318 }); 319 x = cmd.x; 320 y = cmd.y; 321 break; 322 // Handle other commands... 323 } 324 }); 325 326 return this.commandsToPath(relative); 327} 328 329optimizeCurves(path) { 330 // Convert cubic to quadratic where appropriate 331 return path.replace(/Cs*([d.-]+)s+([d.-]+)s+([d.-]+)s+([d.-]+)s+([d.-]+)s+([d.-]+)/g, 332 (match, x1, y1, x2, y2, x, y) => { 333 // Check if curve can be approximated as quadratic 334 if (this.canSimplifyToQuadratic(x1, y1, x2, y2, x, y)) { 335 const qx = (parseFloat(x1) + parseFloat(x2)) / 2; 336 const qy = (parseFloat(y1) + parseFloat(y2)) / 2; 337 return \`Q \${qx} \${qy} \${x} \${y}\`; 338 } 339 return match; 340 }); 341} 342}`}),"\n",(0,s.jsx)(t.h2,{children:"WOFF2 Conversion Considerations"}),"\n",(0,s.jsx)(t.h3,{children:"Brotli Decompression"}),"\n",(0,s.jsx)(t.p,{children:"WOFF2 uses Brotli compression instead of zlib:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// WOFF2 decompression handling 343class WOFF2Converter { 344async decompress(woff2Data) { 345 // WOFF2 uses different header structure 346 const header = this.parseWOFF2Header(woff2Data); 347 348 // Brotli decompression 349 const decompressed = await this.brotliDecompress( 350 woff2Data.slice(header.compressedOffset), 351 header.uncompressedSize 352 ); 353 354 // Reconstruct table directory 355 return this.reconstructTables(decompressed, header.tables); 356} 357 358async brotliDecompress(compressed, expectedSize) { 359 // Use Brotli decompression library 360 const decoder = new BrotliDecoder(); 361 const output = decoder.decode(compressed); 362 363 if (output.length !== expectedSize) { 364 throw new Error('WOFF2 decompression size mismatch'); 365 } 366 367 return output; 368} 369 370parseWOFF2Header(data) { 371 const view = new DataView(data.buffer); 372 373 return { 374 signature: view.getUint32(0), // 0x774F4632 ('wOF2') 375 flavor: view.getUint32(4), 376 length: view.getUint32(8), 377 numTables: view.getUint16(12), 378 reserved: view.getUint16(14), 379 totalCompressedSize: view.getUint32(16), 380 uncompressedSize: view.getUint32(20), 381 compressedOffset: 48 // After extended header 382 }; 383} 384}`}),"\n",(0,s.jsx)(t.h2,{children:"Handling Special Cases"}),"\n",(0,s.jsx)(t.h3,{children:"Icon Fonts"}),"\n",(0,s.jsx)(t.p,{children:"Icon fonts require special consideration:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Icon font optimization 385const convertIconFont = (woffData) => { 386const font = parseWOFF(woffData); 387const icons = {}; 388 389// Extract private use area glyphs (common for icons) 390for (let code = 0xE000; code <= 0xF8FF; code++) { 391 const glyphId = font.cmap[code]; 392 if (glyphId) { 393 icons[code] = { 394 path: font.glyphs[glyphId].path, 395 name: font.names?.[glyphId] || \`icon-\${code.toString(16)}\`, 396 width: font.metrics[glyphId].advance 397 }; 398 } 399} 400 401// Generate optimized SVG sprite 402return generateSVGSprite(icons); 403}; 404 405const generateSVGSprite = (icons) => { 406const symbols = Object.entries(icons).map(([code, icon]) => \` 407 <symbol id="\${icon.name}
407" viewBox="0 0 \${icon.width} 1000"> 408 <path d="\${icon.path}"/> 409 </symbol> 410\`).join('\\n'); 411 412return \` 413 <svg xmlns="http://www.w3.org/2000/svg" style="display: none;"> 414 <defs>\${symbols}</defs> 415 </svg> 416\`; 417};`}),"\n",(0,s.jsx)(t.h3,{children:"Emoji and Color Fonts"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Color font extraction from WOFF 418const extractColorGlyphs = (woffData) => { 419const font = parseWOFF(woffData); 420 421// Check for color tables 422if (font.tables.COLR && font.tables.CPAL) { 423 return extractCOLRLayers(font); 424} else if (font.tables.sbix) { 425 return extractBitmapImages(font); 426} else if (font.tables.SVG) { 427 return extractSVGGlyphs(font); 428} 429 430return null; 431}; 432 433const extractCOLRLayers = (font) => { 434const colorGlyphs = {}; 435const palette = font.tables.CPAL.palettes[0]; 436 437font.tables.COLR.records.forEach(record => { 438 const layers = []; 439 440 for (let i = 0; i < record.numLayers; i++) { 441 const layer = font.tables.COLR.layers[record.firstLayerIndex + i]; 442 layers.push({ 443 glyph: font.glyphs[layer.glyphId], 444 color: palette[layer.paletteIndex] 445 }); 446 } 447 448 colorGlyphs[record.glyphId] = layers; 449}); 450 451return colorGlyphs; 452};`}),"\n",(0,s.jsx)(t.h2,{children:"Performance Optimization"}),"\n",(0,s.jsx)(t.h3,{children:"Streaming Conversion"}),"\n",(0,s.jsx)(t.p,{children:"For large WOFF files, implement streaming:"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Streaming WOFF to SVG conversion 453class StreamingConverter { 454constructor(options = {}) { 455 this.chunkSize = options.chunkSize || 1024 * 1024; // 1MB chunks 456 this.glyphBuffer = []; 457 this.processedGlyphs = 0; 458} 459 460async convertStream(readableStream, writableStream) { 461 const reader = readableStream.getReader(); 462 const writer = writableStream.getWriter(); 463 464 // Write SVG header 465 await writer.write(this.generateSVGHeader()); 466 467 try { 468 while (true) { 469 const { done, value } = await reader.read(); 470 if (done) break; 471 472 const glyphs = await this.processChunk(value); 473 for (const glyph of glyphs) { 474 await writer.write(this.glyphToSVG(glyph)); 475 this.processedGlyphs++; 476 } 477 } 478 } finally { 479 await writer.write(this.generateSVGFooter()); 480 await writer.close(); 481 } 482 483 return this.processedGlyphs; 484} 485}`}),"\n",(0,s.jsx)(t.h3,{children:"Caching Strategies"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Intelligent caching for repeated conversions 486class ConversionCache { 487constructor() { 488 this.cache = new Map(); 489 this.maxSize = 50 * 1024 * 1024; // 50MB max cache 490 this.currentSize = 0; 491} 492 493async get(woffUrl) { 494 const cacheKey = await this.generateKey(woffUrl); 495 496 if (this.cache.has(cacheKey)) { 497 const entry = this.cache.get(cacheKey); 498 entry.lastAccessed = Date.now(); 499 return entry.data; 500 } 501 502 return null; 503} 504 505async set(woffUrl, svgData) { 506 const cacheKey = await this.generateKey(woffUrl); 507 const size = new Blob([svgData]).size; 508 509 // Evict old entries if needed 510 while (this.currentSize + size > this.maxSize) { 511 this.evictOldest(); 512 } 513 514 this.cache.set(cacheKey, { 515 data: svgData, 516 size: size, 517 created: Date.now(), 518 lastAccessed: Date.now() 519 }); 520 521 this.currentSize += size; 522} 523 524evictOldest() { 525 let oldest = null; 526 let oldestTime = Infinity; 527 528 for (const [key, entry] of this.cache) { 529 if (entry.lastAccessed < oldestTime) { 530 oldest = key; 531 oldestTime = entry.lastAccessed; 532 } 533 } 534 535 if (oldest) { 536 const entry = this.cache.get(oldest); 537 this.currentSize -= entry.size; 538 this.cache.delete(oldest); 539 } 540} 541}`}),"\n",(0,s.jsx)(t.h2,{children:"Cross-Browser Compatibility"}),"\n",(0,s.jsx)(t.h3,{children:"Feature Detection"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Comprehensive feature detection 542const detectBrowserSupport = () => { 543const support = { 544 woff: true, // Universal support 545 woff2: 'FontFace' in window, 546 svg: document.implementation.hasFeature('http://www.w3.org/TR/SVG11/feature#Shape', '1.1'), 547 compression: { 548 zlib: typeof pako !== 'undefined', 549 brotli: typeof BrotliDecode !== 'undefined' 550 }, 551 workers: typeof Worker !== 'undefined', 552 streaming: typeof ReadableStream !== 'undefined' 553}; 554 555return support; 556}; 557 558// Adaptive conversion strategy 559const selectConversionStrategy = (support) => { 560if (support.workers && support.streaming) { 561 return 'streaming-worker'; 562} else if (support.workers) { 563 return 'worker'; 564} else { 565 return 'main-thread'; 566} 567};`}),"\n",(0,s.jsx)(t.h2,{children:"Quality Assurance"}),"\n",(0,s.jsx)(t.h3,{children:"Validation and Testing"}),"\n",(0,s.jsx)("pre",{className:"bg-slate-900 text-gray-100 p-4 rounded-lg overflow-x-auto my-4 font-mono text-sm",children:`// Comprehensive validation suite 568class WOFFValidator { 569validate(woffData) { 570 const results = { 571 structure: this.validateStructure(woffData), 572 tables: this.validateTables(woffData), 573 compression: this.validateCompression(woffData), 574 metadata: this.validateMetadata(woffData) 575 }; 576 577 return { 578 valid: Object.values(results).every(r => r.valid), 579 results: results, 580 recommendations: this.generateRecommendations(results) 581 }; 582} 583 584validateStructure(data) { 585 const checks = []; 586 587 // Check magic number 588 checks.push({ 589 name: 'Magic number', 590 valid: data.signature === 0x774F4646, 591 message: data.signature === 0x774F4646 ? 'Valid WOFF signature' : 'Invalid signature' 592 }); 593 594 // Check version 595 checks.push({ 596 name: 'Version', 597 valid: data.majorVersion === 1 || data.majorVersion === 2, 598 message: \`WOFF version \${data.majorVersion}.\${data.minorVersion}\` 599 }); 600 601 return { 602 valid: checks.every(c => c.valid), 603 checks: checks 604 }; 605} 606}`}),"\n",(0,s.jsx)(t.h2,{children:"Related Tools"}),"\n",(0,s.jsx)(n,{converters:[{name:"TTF to SVG",path:"/convert/ttf-to-svg"},{name:"OTF to SVG",path:"/convert/otf-to-svg"},{name:"SVG to TTF",path:"/convert/svg-to-ttf"},{name:"EOT to SVG",path:"/convert/eot-to-svg"}]}),"\n",(0,s.jsx)(t.h2,{children:"Frequently Asked Questions"}),"\n",(0,s.jsx)(r,{faqs:[{question:"Why convert WOFF to SVG when WOFF is already optimized for web?",answer:"WOFF is ideal for text rendering, but SVG conversion enables graphic manipulation, animation, and editing of individual glyphs. It's useful for logos, icons, or when you need to extract specific characters as vector graphics."},{question:"How does WOFF compression affect conversion quality?",answer:"WOFF uses lossless compression (zlib), so decompression perfectly restores the original font data. The conversion quality depends on the underlying font format (TrueType or CFF) rather than WOFF compression."},{question:"Can WOFF2 files be converted the same way?",answer:"WOFF2 uses Brotli compression and a different table structure. Our converter handles both formats, automatically detecting and using the appropriate decompression method for each."}
606,{question:"What happens to font licensing when converting WOFF to SVG?",answer:"Font licensing restrictions apply regardless of format. WOFF files often contain embedded license information. Always verify you have the right to convert and use the font in your intended application."},{question:"How can I optimize the converted SVG for web use?",answer:"Use subsetting to include only needed characters, optimize path precision, remove unnecessary metadata, and consider SVGZ compression. For icon fonts, extract as symbol sprites for better performance."}]}),"\n",(0,s.jsx)(t.h2,{children:"Conclusion"}),"\n",(0,s.jsx)(t.p,{children:"WOFF to SVG conversion bridges the gap between optimized web font delivery and flexible vector graphics manipulation. While WOFF excels at efficient text rendering, SVG transformation unlocks creative possibilities for individual glyph editing, animation, and graphic design applications."}),"\n",(0,s.jsx)(t.p,{children:"The conversion processâfrom decompression through table reconstruction to path optimizationârequires careful handling of compressed data, font structures, and metadata preservation. Success depends on understanding both formats deeply while maintaining typography integrity throughout the transformation."}),"\n",(0,s.jsx)(t.p,{children:"Whether extracting icon fonts for sprite systems, converting display typefaces for logo design, or analyzing font structures for educational purposes, WOFF to SVG conversion provides essential flexibility in modern web typography workflows."})]})}function i(e={}){let{wrapper:t}={...(0,o.R)(),...e.components};return t?(0,s.jsx)(t,{...e,children:(0,s.jsx)(a,{...e})}):a(e)}function c(e,t){throw Error("Expected "+(t?"component":"object")+" `"+e+"` to be defined: you likely forgot to import, pass, or provide it.")}}}]);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.