📄 PDF Cropper

\n \n {errorMessage && (\n

\n {errorMessage}\n

\n )}\n\n

\n \n \n {pdfFileName && (\n

\n Selected: {pdfFileName}\n

\n )}\n

\n \n

\n \n\n \n\n \n

\n \n

\n ℹ️ Crops PDF to 4x6, 3x5, or Original 3x5 sizes\n

\n \n View Source\n \n

\n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\nif (typeof document !== \"undefined\") { client(); }\n\nexport default async function server(request: Request): Promise {\n if (request.method === 'POST' && new URL(request.url).pathname === '/crop') {\n try {\n const formData = await request.formData();\n const pdfFile = formData.get('pdf') as File;\n const size = formData.get('size') as string;\n\n const arrayBuffer = await pdfFile.arrayBuffer();\n const pdfDoc = await PDFDocument.load(arrayBuffer);\n \n // Create a new PDF with precise cropping\n const newPdfDoc = await PDFDocument.create();\n \n for (let i = 0; i < pdfDoc.getPageCount(); i++) {\n const originalPage = pdfDoc.getPage(i);\n \n // Get original page dimensions\n const mediaBox = originalPage.getMediaBox();\n \n // Select crop specifications based on size\n const CURRENT_CROP_SPECS = size === 'threeFive' \n ? CROP_SPECS_3X5 \n : (size === 'threeFiveOriginal' \n ? { ...CROP_SPECS, pageWidth: 3 * INCHES_TO_POINTS, pageHeight: 5 * INCHES_TO_POINTS }\n : CROP_SPECS);\n\n // Calculate precise crop coordinates\n const cropBox = {\n // X start point after left crop\n x: CURRENT_CROP_SPECS.left.width,\n \n // Y start point (24 pixels from top)\n y: CURRENT_CROP_SPECS.top.height,\n \n // Remaining width after left and right crops\n width: size === 'threeFive' || size === 'threeFiveOriginal'\n ? CURRENT_CROP_SPECS.pageWidth \n : (mediaBox.width - \n (CURRENT_CROP_SPECS.left.width + CURRENT_CROP_SPECS.right.width)),\n \n // Remaining height \n height: size === 'threeFive' || size === 'threeFiveOriginal'\n ? CURRENT_CROP_SPECS.pageHeight\n : (mediaBox.height - \n (CURRENT_CROP_SPECS.top.height + CURRENT_CROP_SPECS.bottom.height))\n };\n\n // Create a new page with calculated dimensions\n const newPage = newPdfDoc.addPage([\n cropBox.width, // Width in points\n cropBox.height // Height in points\n ]);\n\n // Embed the original page with precise cropping\n const embeddedPage = await newPdfDoc.embedPage(originalPage, {\n left: cropBox.x,\n bottom: size !== 'fourSix' ? 0 : CURRENT_CROP_SPECS.bottom.height,\n right: cropBox.x + cropBox.width,\n top: size !== 'fourSix' \n ? CURRENT_CROP_SPECS.pageHeight \n : (mediaBox.height - CURRENT_CROP_SPECS.bottom.height)\n });\n\n // Draw the embedded page content\n newPage.drawPage(embeddedPage, {\n x: 0,\n y: 0,\n width: cropBox.width,\n height: cropBox.height\n });\n }\n\n const pdfBytes = await newPdfDoc.save();\n\n return new Response(pdfBytes, {\n headers: {\n 'Content-Type': 'application/pdf',\n 'Content-Disposition': `attachment; filename=cropped_document_${\n size === 'fourSix' ? '4x6' : \n size === 'threeFive' ? '3x5' : \n 'original_3x5'\n }.pdf`\n }\n });\n } catch (serverError) {\n console.error(\"Server-side crop error:\", serverError);\n return new Response(`Error processing PDF: ${serverError.message}`, { status: 500 });\n }\n }\n\n return new Response(`\n \n \n PDF Cropper\n \n \n \n \n

\n \n \n \n `, {\n headers: { 'Content-Type': 'text/html' }\n });\n}","deleted","label",[99],"permalink","https://www.val.town/x/Murtaza/proudMagentaTurtle/code/main.tsx","extension","actionData","errors"]