32 lines
1.2 KiB
TypeScript
32 lines
1.2 KiB
TypeScript
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/* eslint-disable */
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import * as React from "react";
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import { Document, Page, Image, pdf } from "@react-pdf/renderer";
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import fs from "fs";
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async function main() {
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const png = fs.readFileSync("/tmp/debug-logo.png");
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console.log("PNG bytes:", png.length, "first 8:", png.subarray(0, 8).toString("hex"));
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const inst = pdf(
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<Document><Page size="A4" style={{padding: 40}}>
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<Image src={png} style={{ width: 110, height: 68 }} />
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</Page></Document>
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);
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const out = Buffer.from(await inst.toString(), "binary");
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fs.writeFileSync("/tmp/test-png.pdf", out);
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console.log("PDF size:", out.length);
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// Find image stream
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const dctIdx = out.indexOf("/FlateDecode");
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if (dctIdx >= 0) {
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const streamStart = out.indexOf(Buffer.from("stream\n"), dctIdx);
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if (streamStart >= 0) {
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const head = out.subarray(streamStart + 7, streamStart + 30);
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console.log("PNG stream head:", head.toString("hex"));
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console.log("PNG SOI valid?", head[0] === 0x89 && head[1] === 0x50 && head[2] === 0x4e && head[3] === 0x47);
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}
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} else {
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console.log("No FlateDecode (PNG) stream found");
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}
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}
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main().catch(e => { console.error("FAIL:", e); process.exit(1); });
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