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import { JimpClass } from "@jimp/types";
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import { ResizeStrategy } from "@jimp/plugin-resize";
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import { z } from "zod";
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declare const ContainOptionsSchema: z.ZodObject<{
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/** the width to resize the image to */
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w: z.ZodNumber;
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/** the height to resize the image to */
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h: z.ZodNumber;
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/** A bitmask for horizontal and vertical alignment */
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align: z.ZodOptional<z.ZodNumber>;
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/** a scaling method (e.g. Jimp.RESIZE_BEZIER) */
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mode: z.ZodOptional<z.ZodNativeEnum<typeof ResizeStrategy>>;
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}, "strip", z.ZodTypeAny, {
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w: number;
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h: number;
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align?: number | undefined;
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mode?: ResizeStrategy | undefined;
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}, {
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w: number;
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h: number;
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align?: number | undefined;
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mode?: ResizeStrategy | undefined;
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}>;
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export type ContainOptions = z.infer<typeof ContainOptionsSchema>;
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export declare const methods: {
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/**
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* Scale the image to the given width and height keeping the aspect ratio. Some parts of the image may be letter boxed.
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* @param w the width to resize the image to
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* @param h the height to resize the image to
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* @param align A bitmask for horizontal and vertical alignment
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* @param mode a scaling method (e.g. Jimp.RESIZE_BEZIER)
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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.contain({ w: 150, h: 100 });
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* ```
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*/
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contain<I extends JimpClass>(image: I, options: ContainOptions): I;
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};
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export {};
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//# sourceMappingURL=index.d.ts.map
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{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,SAAS,EAAE,MAAM,aAAa,CAAC;AAGxC,OAAO,EAAE,cAAc,EAA4B,MAAM,qBAAqB,CAAC;AAE/E,OAAO,EAAE,CAAC,EAAE,MAAM,KAAK,CAAC;AAExB,QAAA,MAAM,oBAAoB;IACxB,uCAAuC;;IAEvC,wCAAwC;;IAExC,sDAAsD;;IAEtD,iDAAiD;;;;;;;;;;;;EAEjD,CAAC;AAEH,MAAM,MAAM,cAAc,GAAG,CAAC,CAAC,KAAK,CAAC,OAAO,oBAAoB,CAAC,CAAC;AAElE,eAAO,MAAM,OAAO;IAClB;;;;;;;;;;;;;;OAcG;YACK,CAAC,SAAS,SAAS,SAAS,CAAC,WAAW,cAAc;CA6C/D,CAAC"}
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import { HorizontalAlign, VerticalAlign } from "@jimp/core";
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import { clone } from "@jimp/utils";
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import { ResizeStrategy, methods as resizeMethods } from "@jimp/plugin-resize";
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import { methods as blitMethods } from "@jimp/plugin-blit";
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import { z } from "zod";
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const ContainOptionsSchema = z.object({
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/** the width to resize the image to */
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w: z.number(),
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/** the height to resize the image to */
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h: z.number(),
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/** A bitmask for horizontal and vertical alignment */
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align: z.number().optional(),
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/** a scaling method (e.g. Jimp.RESIZE_BEZIER) */
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mode: z.nativeEnum(ResizeStrategy).optional(),
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});
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export const methods = {
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/**
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* Scale the image to the given width and height keeping the aspect ratio. Some parts of the image may be letter boxed.
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* @param w the width to resize the image to
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* @param h the height to resize the image to
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* @param align A bitmask for horizontal and vertical alignment
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* @param mode a scaling method (e.g. Jimp.RESIZE_BEZIER)
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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.contain({ w: 150, h: 100 });
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* ```
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*/
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contain(image, options) {
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const { w, h, align = HorizontalAlign.CENTER | VerticalAlign.MIDDLE, mode, } = ContainOptionsSchema.parse(options);
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const hbits = align & ((1 << 3) - 1);
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const vbits = align >> 3;
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// check if more flags than one is in the bit sets
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if (!((hbits !== 0 && !(hbits & (hbits - 1))) ||
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(vbits !== 0 && !(vbits & (vbits - 1))))) {
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throw new Error("only use one flag per alignment direction");
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}
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const alignH = hbits >> 1; // 0, 1, 2
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const alignV = vbits >> 1; // 0, 1, 2
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const f = w / h > image.bitmap.width / image.bitmap.height
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? h / image.bitmap.height
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: w / image.bitmap.width;
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const c = resizeMethods.scale(clone(image), { f, mode });
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image = resizeMethods.resize(image, { w, h, mode });
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image.scan((_, __, idx) => {
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image.bitmap.data.writeUInt32BE(image.background, idx);
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});
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image = blitMethods.blit(image, {
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src: c,
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x: ((image.bitmap.width - c.bitmap.width) / 2) * alignH,
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y: ((image.bitmap.height - c.bitmap.height) / 2) * alignV,
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});
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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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+1
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+3
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{
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"type": "module"
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}
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