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'; } return; } const { jsPDF } = window.jspdf; const doc = new jsPDF(); const resultArea = document.getElementById('resultArea'); // Retrieve stored data for PDF const lengthMinutes = resultArea.dataset.lengthMinutes || 'N/A'; const bitrateKbps = resultArea.dataset.bitrateKbps || 'N/A'; const audioQualityText = resultArea.dataset.audioQualityText || 'N/A'; const fileSizeMb = resultArea.dataset.fileSizeMb || 'N/A'; const generationDate = new Date().toLocaleString(); let yOffset = 20; // Title doc.setFontSize(24); doc.setTextColor(44, 62, 80); doc.text("Podcast File Size Estimation Report", 105, yOffset, { align: 'center' }); yOffset += 20; // Summary details doc.setFontSize(14); doc.setTextColor(51, 51, 51); doc.text(`Estimation Date: ${generationDate}`, 20, yOffset); yOffset += 10; doc.text(`Podcast Length: ${lengthMinutes} minutes`, 20, yOffset); yOffset += 10; doc.text(`Audio Quality: ${bitrateKbps} kbps (${audioQualityText})`, 20, yOffset); yOffset += 10; doc.text(`Estimated File Size: ${fileSizeMb} MB`, 20, yOffset); yOffset += 20; // Conversion Logic Explained doc.setFontSize(12); doc.setTextColor(80, 80, 80); doc.text("Calculation Logic Used:", 20, yOffset); yOffset += 7; doc.text(`1. Convert length to seconds: ${lengthMinutes} minutes * 60 = ${lengthMinutes * 60} seconds`, 25, yOffset); yOffset += 7; doc.text(`2. Calculate total bits: ${lengthMinutes * 60} seconds * ${bitrateKbps} kbps * 1000 bits/kb = ${lengthMinutes * 60 * bitrateKbps * 1000} bits`, 25, yOffset); yOffset += 7; doc.text(`3. Convert total bits to bytes: Total bits / 8 bits/byte = ${(lengthMinutes * 60 * bitrateKbps * 1000) / 8} bytes`, 25, yOffset); yOffset += 7; doc.text(`4. Convert total bytes to Megabytes (MB): Total bytes / (1024 * 1024) = ${fileSizeMb} MB`, 25, yOffset); yOffset += 20; // Disclaimer doc.setFontSize(10); doc.setTextColor(100, 100, 100); const disclaimerText = "Note: This is an estimation. Actual file sizes may vary slightly depending on encoding efficiency, audio content complexity, and specific encoder implementations."; const splitDisclaimer = doc.splitTextToSize(disclaimerText, 170); doc.text(splitDisclaimer, 20, yOffset); // Footer doc.setFontSize(9); doc.setTextColor(150, 150, 150); doc.text(`Report Generated by Podcast File Size Estimator Tool`, 20, doc.internal.pageSize.height - 15); doc.save("Podcast_File_Size_Estimation.pdf"); }