43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
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#!/usr/bin/env node
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/**
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* Simple SVG -> PNG converter using sharp.
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* Usage: node svg2png.mjs <input.svg> <output.png> <width> <height>
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*/
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import sharp from 'sharp';
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async function main() {
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const [,, inPath, outPath, wArg, hArg] = process.argv;
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if (!inPath || !outPath || !wArg || !hArg) {
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console.error('Usage: node svg2png.mjs <input.svg> <output.png> <width> <height>');
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process.exit(1);
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}
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const width = Number(wArg);
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const height = Number(hArg);
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if (!width || !height) {
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console.error('Width and height must be numbers');
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process.exit(1);
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}
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const absIn = path.resolve(inPath);
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const absOut = path.resolve(outPath);
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const svg = await fs.readFile(absIn);
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// Render with background white to avoid transparency issues in slides
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const png = await sharp(svg, { density: 300 })
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.resize(width, height, { fit: 'contain', background: { r: 255, g: 255, b: 255, alpha: 1 } })
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.png({ compressionLevel: 9 })
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.toBuffer();
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await fs.mkdir(path.dirname(absOut), { recursive: true });
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await fs.writeFile(absOut, png);
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console.log(`Wrote ${absOut} (${width}x${height})`);
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}
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main().catch((err) => {
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console.error('svg2png failed:', err?.message || err);
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process.exit(1);
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});
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