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Filename : index.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.methods = void 0;
const zod_1 = require("zod");
const CircleOptionsSchema = zod_1.z.object({
    /** the x position to draw the circle */
    x: zod_1.z.number().optional(),
    /** the y position to draw the circle */
    y: zod_1.z.number().optional(),
    /** the radius of the circle */
    radius: zod_1.z.number().min(0).optional(),
});
exports.methods = {
    /**
     * Creates a circle out of an image.
     * @example
     * ```ts
     * import { Jimp } from "jimp";
     *
     * const image = await Jimp.read("test/image.png");
     *
     * image.circle();
     * // or
     * image.circle({ radius: 50, x: 25, y: 25 });
     * ```
     */
    circle(image, options = {}) {
        const parsed = CircleOptionsSchema.parse(options);
        const radius = parsed.radius ||
            (image.bitmap.width > image.bitmap.height
                ? image.bitmap.height
                : image.bitmap.width) / 2;
        const center = {
            x: typeof parsed.x === "number" ? parsed.x : image.bitmap.width / 2,
            y: typeof parsed.y === "number" ? parsed.y : image.bitmap.height / 2,
        };
        image.scan((x, y, idx) => {
            const curR = Math.sqrt(Math.pow(x - center.x, 2) + Math.pow(y - center.y, 2));
            if (radius - curR <= 0.0) {
                image.bitmap.data[idx + 3] = 0;
            }
            else if (radius - curR < 1.0) {
                image.bitmap.data[idx + 3] = 255 * (radius - curR);
            }
        });
        return image;
    },
};
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