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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _utils = require("@jimp/utils");
/**
* Scale the image so the given width and height keeping the aspect ratio. Some parts of the image may be clipped.
* @param {number} w the width to resize the image to
* @param {number} h the height to resize the image to
* @param {number} alignBits (optional) A bitmask for horizontal and vertical alignment
* @param {string} mode (optional) a scaling method (e.g. Jimp.RESIZE_BEZIER)
* @param {function(Error, Jimp)} cb (optional) a callback for when complete
* @returns {Jimp} this for chaining of methods
*/
var _default = () => ({
cover(w, h, alignBits, mode, cb) {
if (typeof w !== "number" || typeof h !== "number") {
return _utils.throwError.call(this, "w and h must be numbers", cb);
}
if (alignBits && typeof alignBits === "function" && typeof cb === "undefined") {
cb = alignBits;
alignBits = null;
mode = null;
} else if (typeof mode === "function" && typeof cb === "undefined") {
cb = mode;
mode = null;
}
alignBits = alignBits || this.constructor.HORIZONTAL_ALIGN_CENTER | this.constructor.VERTICAL_ALIGN_MIDDLE;
const hbits = alignBits & (1 << 3) - 1;
const vbits = alignBits >> 3;
// check if more flags than one is in the bit sets
if (!(hbits !== 0 && !(hbits & hbits - 1) || vbits !== 0 && !(vbits & vbits - 1))) return _utils.throwError.call(this, "only use one flag per alignment direction", cb);
const alignH = hbits >> 1; // 0, 1, 2
const alignV = vbits >> 1; // 0, 1, 2
const f = w / h > this.bitmap.width / this.bitmap.height ? w / this.bitmap.width : h / this.bitmap.height;
this.scale(f, mode);
this.crop((this.bitmap.width - w) / 2 * alignH, (this.bitmap.height - h) / 2 * alignV, w, h);
if ((0, _utils.isNodePattern)(cb)) {
cb.call(this, null, this);
}
return this;
}
});
exports.default = _default;
module.exports = exports.default;
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