37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
import { PNG } from "pngjs";
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import { PNGFilterType, PNGColorType } from "./constants.js";
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export * from "./constants.js";
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export default function png() {
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return {
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mime: "image/png",
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hasAlpha: true,
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encode: (bitmap, { deflateLevel = 9, deflateStrategy = 3, filterType = PNGFilterType.AUTO, colorType, inputHasAlpha = true, ...options } = {}) => {
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const png = new PNG({
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width: bitmap.width,
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height: bitmap.height,
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});
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png.data = bitmap.data;
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return PNG.sync.write(png, {
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...options,
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deflateLevel,
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deflateStrategy,
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filterType,
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colorType: typeof colorType !== "undefined"
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? colorType
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: inputHasAlpha
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? PNGColorType.COLOR_ALPHA
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: PNGColorType.COLOR,
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inputHasAlpha,
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});
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},
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decode: (data, options) => {
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const result = PNG.sync.read(data, options);
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return {
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data: result.data,
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width: result.width,
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height: result.height,
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};
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},
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};
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}
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//# sourceMappingURL=index.js.map
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