chore: add jimp dependency, icon padding script, and update configuration
This commit is contained in:
+26
@@ -0,0 +1,26 @@
|
||||
import { isNodePattern } from "@jimp/utils";
|
||||
|
||||
/**
|
||||
* Apply a ordered dithering effect
|
||||
* @param {function(Error, Jimp)} cb (optional) a callback for when complete
|
||||
* @returns {Jimp} this for chaining of methods
|
||||
*/
|
||||
function dither(cb) {
|
||||
const rgb565Matrix = [1, 9, 3, 11, 13, 5, 15, 7, 4, 12, 2, 10, 16, 8, 14, 6];
|
||||
this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
|
||||
const thresholdId = ((y & 3) << 2) + x % 4;
|
||||
const dither = rgb565Matrix[thresholdId];
|
||||
this.bitmap.data[idx] = Math.min(this.bitmap.data[idx] + dither, 0xff);
|
||||
this.bitmap.data[idx + 1] = Math.min(this.bitmap.data[idx + 1] + dither, 0xff);
|
||||
this.bitmap.data[idx + 2] = Math.min(this.bitmap.data[idx + 2] + dither, 0xff);
|
||||
});
|
||||
if (isNodePattern(cb)) {
|
||||
cb.call(this, null, this);
|
||||
}
|
||||
return this;
|
||||
}
|
||||
export default (() => ({
|
||||
dither565: dither,
|
||||
dither16: dither
|
||||
}));
|
||||
//# sourceMappingURL=index.js.map
|
||||
Reference in New Issue
Block a user