31 lines
678 B
JavaScript
31 lines
678 B
JavaScript
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import { promises as pfs } from "node:fs";
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import { PNG } from "pngjs";
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import Resize from "./resize.js";
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async function readPNG(filepath) {
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try {
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let data;
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if (Buffer.isBuffer(filepath)) {
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data = filepath;
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} else {
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data = await pfs.readFile(filepath);
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}
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return PNG.sync.read(data);
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} catch (err) {
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throw new Error(`${filepath} is not or a valid PNG file.`);
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}
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}
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function resize(src, width, height, interpolation = "bicubicInterpolation") {
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const result = createPNG(width, height);
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Resize[interpolation](src, result);
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return result;
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}
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function createPNG(width = 256, height = 256) {
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return new PNG({ width, height });
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}
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export { readPNG, resize };
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