رویداد ریورس پیچ

${printHTML} `); win.document.close(); setTimeout(function(){ win.focus(); win.print(); win.close(); },500); } ${clone.outerHTML} `); doc.close(); iframe.onload = function () { setTimeout(function () { iframe.contentWindow.focus(); iframe.contentWindow.print(); setTimeout(function () { iframe.remove(); }, 1000); }, 300); }; }; } if (pdfBtn) { pdfBtn.onclick = function (e) { e.preventDefault(); if (!printArea) { alert('محتوا پیدا نشد'); return; } var clone = getCleanClone(); var wrapper = document.createElement('div'); wrapper.style.cssText = ` position: fixed; top: 0; left: -9999px; width: 800px; background: #ffffff; padding: 30px; direction: rtl; text-align: right; font-family: Tahoma, Arial, sans-serif; line-height: 2; color: #222; z-index: -1; `; wrapper.appendChild(clone); document.body.appendChild(wrapper); var imgs = wrapper.querySelectorAll('img'); var loaded = 0; var total = imgs.length; function generatePdf() { html2canvas(wrapper, { scale: 2, useCORS: true, backgroundColor: '#ffffff', windowWidth: 800 }).then(function (canvas) { document.body.removeChild(wrapper); var imgData = canvas.toDataURL('image/jpeg', 0.95); var jsPDF = window.jspdf.jsPDF; var pdf = new jsPDF({ orientation: 'portrait', unit: 'mm', format: 'a4' }); var pageWidth = pdf.internal.pageSize.getWidth(); var pageHeight = pdf.internal.pageSize.getHeight(); var imgWidth = pageWidth - 20; var imgHeight = canvas.height * imgWidth / canvas.width; var heightLeft = imgHeight; var position = 10; pdf.addImage(imgData, 'JPEG', 10, position, imgWidth, imgHeight); heightLeft -= pageHeight; while (heightLeft > 0) { position = heightLeft - imgHeight; pdf.addPage(); pdf.addImage(imgData, 'JPEG', 10, position, imgWidth, imgHeight); heightLeft -= pageHeight; } pdf.save('article.pdf'); }); } if (total === 0) { generatePdf(); } else { imgs.forEach(function (img) { if (img.complete) { loaded++; if (loaded === total) generatePdf(); } else { img.onload = img.onerror = function () { loaded++; if (loaded === total) generatePdf(); }; } }); } }; } });