chore: add jimp dependency, icon padding script, and update configuration
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import { isNodePattern, throwError } from "@jimp/utils";
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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 {number} w the width to resize the image to
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* @param {number} h the height to resize the image to
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* @param {number} alignBits (optional) A bitmask for horizontal and vertical alignment
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* @param {string} mode (optional) a scaling method (e.g. Jimp.RESIZE_BEZIER)
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* @param {function(Error, Jimp)} cb (optional) a callback for when complete
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* @returns {Jimp} this for chaining of methods
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*/
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export default () => ({
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contain(w, h, alignBits, mode, cb) {
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if (typeof w !== "number" || typeof h !== "number") {
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return throwError.call(this, "w and h must be numbers", cb);
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}
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// permit any sort of optional parameters combination
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if (typeof alignBits === "string") {
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if (typeof mode === "function" && typeof cb === "undefined") cb = mode;
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mode = alignBits;
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alignBits = null;
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}
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if (typeof alignBits === "function") {
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if (typeof cb === "undefined") cb = alignBits;
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mode = null;
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alignBits = null;
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}
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if (typeof mode === "function" && typeof cb === "undefined") {
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cb = mode;
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mode = null;
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}
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alignBits =
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alignBits ||
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this.constructor.HORIZONTAL_ALIGN_CENTER |
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this.constructor.VERTICAL_ALIGN_MIDDLE;
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const hbits = alignBits & ((1 << 3) - 1);
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const vbits = alignBits >> 3;
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// check if more flags than one is in the bit sets
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if (
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!(
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(hbits !== 0 && !(hbits & (hbits - 1))) ||
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(vbits !== 0 && !(vbits & (vbits - 1)))
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)
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) {
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return throwError.call(
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this,
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"only use one flag per alignment direction",
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cb
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);
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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 =
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w / h > this.bitmap.width / this.bitmap.height
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? h / this.bitmap.height
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: w / this.bitmap.width;
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const c = this.cloneQuiet().scale(f, mode);
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this.resize(w, h, mode);
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this.scanQuiet(
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0,
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0,
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this.bitmap.width,
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this.bitmap.height,
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function (x, y, idx) {
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this.bitmap.data.writeUInt32BE(this._background, idx);
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}
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);
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this.blit(
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c,
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((this.bitmap.width - c.bitmap.width) / 2) * alignH,
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((this.bitmap.height - c.bitmap.height) / 2) * alignV
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);
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if (isNodePattern(cb)) {
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cb.call(this, null, this);
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}
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return this;
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},
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});
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