150 lines
5.5 KiB
JavaScript
150 lines
5.5 KiB
JavaScript
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __exportStar = (this && this.__exportStar) || function(m, exports) {
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for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.methods = void 0;
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const constants_js_1 = require("./constants.js");
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const zod_1 = require("zod");
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const resize_js_1 = __importDefault(require("./modules/resize.js"));
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const resize2_js_1 = require("./modules/resize2.js");
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__exportStar(require("./constants.js"), exports);
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const ResizeOptionsSchema = zod_1.z.union([
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zod_1.z.object({
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/** the width to resize the image to */
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w: zod_1.z.number().min(0),
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/** the height to resize the image to */
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h: zod_1.z.number().min(0).optional(),
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/** a scaling method (e.g. ResizeStrategy.BEZIER) */
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mode: zod_1.z.nativeEnum(constants_js_1.ResizeStrategy).optional(),
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}),
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zod_1.z.object({
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/** the width to resize the image to */
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w: zod_1.z.number().min(0).optional(),
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/** the height to resize the image to */
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h: zod_1.z.number().min(0),
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/** a scaling method (e.g. ResizeStrategy.BEZIER) */
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mode: zod_1.z.nativeEnum(constants_js_1.ResizeStrategy).optional(),
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}),
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]);
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const ScaleToFitOptionsSchema = zod_1.z.object({
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/** the width to resize the image to */
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w: zod_1.z.number().min(0),
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/** the height to resize the image to */
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h: zod_1.z.number().min(0),
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/** a scaling method (e.g. Jimp.RESIZE_BEZIER) */
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mode: zod_1.z.nativeEnum(constants_js_1.ResizeStrategy).optional(),
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});
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const ScaleComplexOptionsSchema = zod_1.z.object({
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/** the width to resize the image to */
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f: zod_1.z.number().min(0),
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/** a scaling method (e.g. Jimp.RESIZE_BEZIER) */
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mode: zod_1.z.nativeEnum(constants_js_1.ResizeStrategy).optional(),
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});
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exports.methods = {
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/**
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* Resizes the image to a set width and height using a 2-pass bilinear algorithm
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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.resize({ w: 150 });
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* ```
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*/
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resize(image, options) {
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const { mode } = ResizeOptionsSchema.parse(options);
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let w;
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let h;
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if (typeof options.w === "number") {
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w = options.w;
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h = options.h ?? image.bitmap.height * (w / image.bitmap.width);
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}
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else if (typeof options.h === "number") {
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h = options.h;
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w = options.w ?? image.bitmap.width * (h / image.bitmap.height);
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}
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else {
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throw new Error("w must be a number");
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}
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// round inputs
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w = Math.round(w) || 1;
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h = Math.round(h) || 1;
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if (mode && typeof resize2_js_1.operations[mode] === "function") {
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const dst = {
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data: Buffer.alloc(w * h * 4),
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width: w,
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height: h,
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};
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resize2_js_1.operations[mode](image.bitmap, dst);
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image.bitmap = dst;
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}
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else {
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const resize = new resize_js_1.default(image.bitmap.width, image.bitmap.height, w, h, true, true, (buffer) => {
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image.bitmap.data = Buffer.from(buffer);
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image.bitmap.width = w;
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image.bitmap.height = h;
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});
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resize.resize(image.bitmap.data);
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}
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return image;
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},
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/**
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* Uniformly scales the image by a factor.
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* @param f the factor to scale the image by
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* @param mode (optional) 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.scale(0.5);
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* ```
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*/
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scale(image, options) {
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const { f, mode } = typeof options === "number"
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? { f: options }
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: ScaleComplexOptionsSchema.parse(options);
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const w = image.bitmap.width * f;
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const h = image.bitmap.height * f;
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return this.resize(image, { w, h, mode: mode });
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},
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/**
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* Scale the image to the largest size that fits inside the rectangle that has the given width and height.
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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 mode a scaling method (e.g. ResizeStrategy.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.scaleToFit(100, 100);
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* ```
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*/
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scaleToFit(image, options) {
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const { h, w, mode } = ScaleToFitOptionsSchema.parse(options);
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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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return this.scale(image, { f, mode: mode });
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},
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};
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//# sourceMappingURL=index.js.map
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