49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
"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;
|
|
},
|
|
};
|
|
//# sourceMappingURL=index.js.map
|