https://amitai-brand-center.netlify.app/assets/brand-center-proposal-brand.js?v=20260928-languages-2

1// Visual identity only: product data, commercial copy and calculations stay intact.
2const PROPOSAL_BRANDS = {
3  amitai: {name:'AMITAI',logo:'/assets/proposals/image1.png',colorName:'Azul'},
4  'integri-line': {name:'Integri-Line',logo:'/assets/proposals/integri-line-logo.png',colorName:'Morado'},
5};
6const proposalArtworkCache = new Map();
7function fitProposalLogosForPdf(clonedDocument) {
8  // html2canvas does not implement object-fit. Size the clone's image itself
9  // to its intrinsic ratio, retaining the logo box and alignment in the editor.
10  clonedDocument.querySelectorAll('.paper [data-proposal-brand-logo]').forEach(image=>{
11    const style=clonedDocument.defaultView.getComputedStyle(image);
12    const box={width:parseFloat(style.width),height:parseFloat(style.height),left:parseFloat(style.left),top:parseFloat(style.top)};
13    if(!image.naturalWidth||!image.naturalHeight||!Object.values(box).every(Number.isFinite))throw Error('No se pudo preparar el logo para el PDF.');
14    const scale=Math.min(box.width/image.naturalWidth,box.height/image.naturalHeight);
15    const width=image.naturalWidth*scale,height=image.naturalHeight*scale;
16    const alignLeft=clonedDocument.documentElement.dataset.proposalBrand==='integri-line';
17    Object.assign(image.style,{width:width+'px',height:height+'px',left:(box.left+(alignLeft?0:(box.width-width)/2))+'px',top:(box.top+(box.height-height)/2)+'px'});
18  });
19}
20function proposalBrandArtwork(source) {
21  if (!proposalArtworkCache.has(source)) {
22    const pending = (async () => {
23      const image = new Image(); image.src = source; await image.decode();
24      const canvas = document.createElement('canvas'); canvas.width=image.naturalWidth; canvas.height=image.naturalHeight;
25      const context=canvas.getContext('2d');

25 context.drawImage(image,0,0);
26      const pixels=context.getImageData(0,0,canvas.width,canvas.height),data=pixels.data;
27      // Theme the existing decorative artwork, retaining its silhouette, shading and alpha.
28      // Solution icons and logos are excluded so their identities remain unchanged.
29      for(let i=0;i<data.length;i+=4){
30        const r=data[i],g=data[i+1],b=data[i+2],max=Math.max(r,g,b),min=Math.min(r,g,b),chroma=max-min;
31        if(!data[i+3]||chroma<25)continue;
32        const blue=b>r+20&&b>=g-10,yellow=r>b+30&&g>b+25;
33        if(!blue&&!yellow)continue;
34        const target=blue?[91,36,92]:[199,134,198];
35        const saturation=chroma/255,white=min;
36        for(let c=0;c<3;c++)data[i+c]=Math.min(255,Math.round(white+target[c]*saturation));
37      }
38      context.putImageData(pixels,0,0);return canvas.toDataURL('image/png');
39    })();
40    proposalArtworkCache.set(source,pending);
41    pending.catch(()=>proposalArtworkCache.delete(source));
42  }
43  return proposalArtworkCache.get(source);
44}
45async function applyProposalBrand(brand='amitai') {

46  const identity=PROPOSAL_BRANDS[brand]||PROPOSAL_BRANDS.amitai;
47  document.documentElement.dataset.proposalBrand=brand;
48  document.querySelectorAll('[data-proposal-brand-logo]').forEach(image=>{image.src=identity.logo;image.alt=identity.name});
49  document.querySelectorAll('[data-key="theme"] option[value="blue"]').forEach(option=>{option.textContent=window.proposalI18n?window.proposalI18n.text(identity.colorName):identity.colorName});
50  await Promise.all([...document.querySelectorAll('[data-proposal-brand-artwork]')].map(async image=>{
51    const source=image.dataset.proposalBrandArtwork;
52    if(brand==='amitai'){image.src=source;return}
53    const themed=await proposalBrandArtwork(source);
54    if(document.documentElement.dataset.proposalBrand===brand&&image.isConnected)image.src=themed;
55  }));
56}