36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
import { z } from "zod";
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const FlipOptionsSchema = z.object({
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/** if true the image will be flipped horizontally */
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horizontal: z.boolean().optional(),
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/** if true the image will be flipped vertically */
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vertical: z.boolean().optional(),
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});
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export const methods = {
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/**
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* Flip the image.
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* @param horizontal a Boolean, if true the image will be flipped horizontally
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* @param vertical a Boolean, if true the image will be flipped vertically
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* @example
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* ```ts
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* import { Jimp } from "jimp";
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*
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* const image = await Jimp.read("test/image.png");
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*
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* image.flip(true, false);
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* ```
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*/
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flip(image, options) {
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const { horizontal, vertical } = FlipOptionsSchema.parse(options);
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const bitmap = Buffer.alloc(image.bitmap.data.length);
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image.scan((x, y, idx) => {
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const _x = horizontal ? image.bitmap.width - 1 - x : x;
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const _y = vertical ? image.bitmap.height - 1 - y : y;
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const _idx = (image.bitmap.width * _y + _x) << 2;
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const data = image.bitmap.data.readUInt32BE(idx);
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bitmap.writeUInt32BE(data, _idx);
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});
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image.bitmap.data = Buffer.from(bitmap);
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return image;
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},
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};
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//# sourceMappingURL=index.js.map
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