tenta fix pdfservice.js

This commit is contained in:
rodrigo committed 2025-04-21 20:35:21 -03:00
1 parent 7e16bc8919
commit 76fa2c91ab
1 file changed
+111 -74
+111 -74
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@@ -287,10 +287,10 @@ export class PdfService {
if (!fontItalic) fontItalic = await pdfDoc.embedFont(StandardFonts.HelveticaOblique);
if (!fontBoldItalic) fontBoldItalic = fontBold;
// --- PARSER HTML TinyMCE SEM DEPENDÊNCIAS EXTERNAS ---
// Suporte básico a blocos, alinhamento, recuo, negrito, itálico, sublinhado, listas, títulos
function simpleHtmlToBlocks(html: string): any[] {
// Remove tags não suportadas e preserva apenas blocos essenciais
// --- PARSER HTML TinyMCE INLINE E BLOCOS (LEGADO MELHORADO) ---
// Suporte a blocos, alinhamento, recuo, negrito, itálico, sublinhado, listas, títulos, font-family, centralização, tags inline
function parseHtmlToBlocks(html: string): any[] {
// Normaliza blocos
html = html.replace(/<div[^>]*class=["'][^"']*MsoNormal[^"']*["'][^>]*>/gi, '<p>');
html = html.replace(/<div[^>]*>/gi, '<p>');
html = html.replace(/<\/div>/gi, '</p>');
@@ -300,7 +300,6 @@ export class PdfService {
html = html.replace(/<\/h[1-6]>/gi, m => m + '\n');
html = html.replace(/<\/ul>/gi, '</ul>\n');
html = html.replace(/<\/ol>/gi, '</ol>\n');
// Divide por linhas
const lines = html.split('\n');
const blocks: any[] = [];
let inList = false, listType = '';
@@ -313,13 +312,17 @@ export class PdfService {
if (line.match(/^<\/ul>/i) || line.match(/^<\/ol>/i)) { inList = false; listType = ''; continue; }
if (line.match(/^<li[^>]*>/i)) {
let text = line.replace(/^<li[^>]*>/i, '').replace(/<\/li>$/i, '');
blocks.push({ text: (listType === 'ol' ? '1. ' : '• ') + text, tag: 'li', styles: {} });
blocks.push({ inlines: parseInline(text), tag: 'li', styles: {} });
continue;
}
// Títulos
let headingMatch = line.match(/^<h([1-6])[^>]*>(.*?)<\/h\1>/i);
let headingMatch = line.match(/^<h([1-6])([^>]*)>(.*?)<\/h\1>/i);
if (headingMatch) {
blocks.push({ text: headingMatch[2], tag: `h${headingMatch[1]}`, styles: { heading: `h${headingMatch[1]}` } });
let styles: any = { heading: `h${headingMatch[1]}` };
if (/text-align:\s*center/i.test(headingMatch[2])) styles.align = 'center';
if (/text-align:\s*right/i.test(headingMatch[2])) styles.align = 'right';
if (/font-family:\s*['"]?Fira Sans/i.test(headingMatch[2])) styles.fontFamily = 'Fira Sans';
blocks.push({ inlines: parseInline(headingMatch[3]), tag: `h${headingMatch[1]}`, styles });
continue;
}
// Parágrafo
@@ -330,29 +333,62 @@ export class PdfService {
if (/text-align:\s*center/i.test(styleAttr)) styles.align = 'center';
if (/text-align:\s*right/i.test(styleAttr)) styles.align = 'right';
if (/text-indent:\s*2em/i.test(styleAttr)) styles.indent = true;
let text = pMatch[2];
// Inline styles
if (/<b>|<strong>/i.test(text)) styles.bold = true;
if (/<i>|<em>/i.test(text)) styles.italic = true;
if (/<u>/i.test(text)) styles.underline = true;
text = text.replace(/<\/?(b|strong|i|em|u)>/gi, '');
blocks.push({ text, tag: 'p', styles });
if (/font-family:\s*['"]?Fira Sans/i.test(styleAttr)) styles.fontFamily = 'Fira Sans';
blocks.push({ inlines: parseInline(pMatch[2]), tag: 'p', styles });
continue;
}
// Centralizado
let centerMatch = line.match(/^<center[^>]*>(.*?)<\/center>$/i);
if (centerMatch) {
blocks.push({ text: centerMatch[1], tag: 'p', styles: { align: 'center' } });
blocks.push({ inlines: parseInline(centerMatch[1]), tag: 'p', styles: { align: 'center' } });
continue;
}
// Texto puro
blocks.push({ text: line.replace(/<\/?[^>]+>/g, ''), tag: 'span', styles: {} });
blocks.push({ inlines: parseInline(line.replace(/<\/?[^>]+>/g, '')), tag: 'span', styles: {} });
}
return blocks;
}
// Parser inline para negrito, itálico, sublinhado, font-family, combinações
function parseInline(html: string): any[] {
const result: any[] = [];
let regex = /(<(b|strong|i|em|u|span)[^>]*>|<\/(b|strong|i|em|u|span)>)/gi;
let stack: any[] = [];
let lastIndex = 0;
let match;
while ((match = regex.exec(html)) !== null) {
if (match.index > lastIndex) {
result.push({
text: html.substring(lastIndex, match.index),
...stack.reduce((acc, s) => ({ ...acc, ...s }), {})
});
}
if (match[0][1] === '/') {
stack.pop();
} else {
let style: any = {};
if (/^<(b|strong)/i.test(match[0])) style.bold = true;
if (/^<(i|em)/i.test(match[0])) style.italic = true;
if (/^<u/i.test(match[0])) style.underline = true;
if (/^<span/i.test(match[0])) {
const fontMatch = match[0].match(/font-family:\s*['"]?([^;"']+)/i);
if (fontMatch) style.fontFamily = fontMatch[1];
}
stack.push(style);
}
lastIndex = regex.lastIndex;
}
if (lastIndex < html.length) {
result.push({
text: html.substring(lastIndex),
...stack.reduce((acc, s) => ({ ...acc, ...s }), {})
});
}
return result.filter(i => i.text && i.text.replace(/\s+/g, '').length > 0);
}
// Gera os blocos do HTML do TinyMCE
const blocks = simpleHtmlToBlocks(conteudo);
const blocks = parseHtmlToBlocks(conteudo);
// Renderização dos blocos no PDF
let pageIndex = 0;
@@ -373,87 +409,88 @@ export class PdfService {
y -= LINE_HEIGHT * 0.5;
continue;
}
let usedFont = font;
if (block.styles.bold && block.styles.italic && fontBoldItalic) usedFont = fontBoldItalic;
else if (block.styles.bold && fontBold) usedFont = fontBold;
else if (block.styles.italic && fontItalic) usedFont = fontItalic;
let blockFontSize = FONT_SIZE;
if (block.styles.heading === 'h1') blockFontSize = 22;
if (block.styles.heading === 'h2') blockFontSize = 18;
if (block.styles.heading === 'h3') blockFontSize = 16;
// Remove quebras de linha do texto antes de medir e desenhar
const cleanText = (block.text || '').replace(/\r?\n/g, ' ');
let x = margens.left + (block.styles.indent ? FONT_SIZE * 2 : 0);
let line = '';
let lineWidth = 0;
for (const inline of block.inlines) {
let usedFont = font;
if (inline.bold && inline.italic && fontBoldItalic) usedFont = fontBoldItalic;
else if (inline.bold && fontBold) usedFont = fontBold;
else if (inline.italic && fontItalic) usedFont = fontItalic;
if (inline.fontFamily && inline.fontFamily.toLowerCase().includes('fira')) usedFont = font;
// Quebra em múltiplas linhas se necessário
const lines = (() => {
const words = cleanText.split(' ');
const result: string[] = [];
let currentLine = '';
for (const word of words) {
const testLine = currentLine ? currentLine + ' ' + word : word;
const width = usedFont.widthOfTextAtSize(testLine, blockFontSize);
if (width > MAX_WIDTH && currentLine) {
result.push(currentLine);
currentLine = word;
const words = (inline.text || '').split(' ');
for (let i = 0; i < words.length; i++) {
let word = words[i];
let testLine = line ? line + ' ' + word : word;
let testWidth = usedFont.widthOfTextAtSize(testLine, blockFontSize);
if (testWidth > MAX_WIDTH && line) {
let drawX = x;
if (block.styles.align === 'center' || block.styles.heading === 'h1') {
drawX = margens.left + ((MAX_WIDTH - lineWidth) / 2);
}
if (block.styles.align === 'right') {
drawX = margens.left + (MAX_WIDTH - lineWidth);
}
page.drawText(line, {
x: drawX,
y,
size: blockFontSize,
font: usedFont,
color: rgb(0, 0, 0)
});
if (inline.underline) {
page.drawLine({
start: { x: drawX, y: y - 2 },
end: { x: drawX + lineWidth, y: y - 2 },
thickness: 0.7,
color: rgb(0, 0, 0)
});
}
y -= blockFontSize * 1.5;
line = word;
lineWidth = usedFont.widthOfTextAtSize(word, blockFontSize);
} else {
currentLine = testLine;
if (line) {
line += ' ' + word;
lineWidth = usedFont.widthOfTextAtSize(line, blockFontSize);
} else {
line = word;
lineWidth = usedFont.widthOfTextAtSize(line, blockFontSize);
}
}
}
if (currentLine) result.push(currentLine);
return result;
})();
for (const line of lines) {
let x = margens.left + (block.styles.indent ? FONT_SIZE * 2 : 0);
let width = usedFont.widthOfTextAtSize(line, blockFontSize);
// Centralização
}
if (line) {
let drawX = x;
if (block.styles.align === 'center' || block.styles.heading === 'h1') {
x = margens.left + ((MAX_WIDTH - width) / 2);
drawX = margens.left + ((MAX_WIDTH - lineWidth) / 2);
}
if (block.styles.align === 'right') {
x = margens.left + (MAX_WIDTH - width);
drawX = margens.left + (MAX_WIDTH - lineWidth);
}
// Quebra de página se necessário
if (y < margens.bottom + blockFontSize * 1.2) {
pageIndex++;
page = pdfDoc.addPage([PAGE_WIDTH, PAGE_HEIGHT]);
if (timbradoPages && timbradoPages.length > 0) {
const embedded = timbradoPages[pageIndex % timbradoPages.length];
page.drawPage(embedded, {
x: 0,
y: 0,
width: PAGE_WIDTH,
height: PAGE_HEIGHT
});
}
y = PAGE_HEIGHT - margens.top;
}
page.drawText(line, {
x,
x: drawX,
y,
size: blockFontSize,
font: usedFont,
font: font,
color: rgb(0, 0, 0)
});
// Sublinhado
if (block.styles.underline) {
if (block.inlines.some(i => i.underline)) {
page.drawLine({
start: { x, y: y - 2 },
end: { x: x + width, y: y - 2 },
start: { x: drawX, y: y - 2 },
end: { x: drawX + lineWidth, y: y - 2 },
thickness: 0.7,
color: rgb(0, 0, 0)
});
}
y -= blockFontSize * 1.5;
}
// Espaço extra entre parágrafos
if (block.tag === 'p' || block.styles.heading) {
y -= blockFontSize * 0.3;
}