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/home/u523034047/domains/wasms.shop/public_html/varified/node_modules/@jimp/png/src/index.js
import { PNG } from "pngjs"; import { throwError, isNodePattern } from "@jimp/utils"; const MIME_TYPE = "image/png"; // PNG filter types const PNG_FILTER_AUTO = -1; const PNG_FILTER_NONE = 0; const PNG_FILTER_SUB = 1; const PNG_FILTER_UP = 2; const PNG_FILTER_AVERAGE = 3; const PNG_FILTER_PATH = 4; export default () => ({ mime: { [MIME_TYPE]: ["png"] }, constants: { MIME_PNG: MIME_TYPE, PNG_FILTER_AUTO, PNG_FILTER_NONE, PNG_FILTER_SUB, PNG_FILTER_UP, PNG_FILTER_AVERAGE, PNG_FILTER_PATH, }, hasAlpha: { [MIME_TYPE]: true }, decoders: { [MIME_TYPE]: PNG.sync.read }, encoders: { [MIME_TYPE](data) { const png = new PNG({ width: data.bitmap.width, height: data.bitmap.height, }); png.data = data.bitmap.data; return PNG.sync.write(png, { width: data.bitmap.width, height: data.bitmap.height, deflateLevel: data._deflateLevel, deflateStrategy: data._deflateStrategy, filterType: data._filterType, colorType: typeof data._colorType === "number" ? data._colorType : data._rgba ? 6 : 2, inputHasAlpha: data._rgba, }); }, }, class: { _deflateLevel: 9, _deflateStrategy: 3, _filterType: PNG_FILTER_AUTO, _colorType: null, /** * Sets the deflate level used when saving as PNG format (default is 9) * @param {number} l Deflate level to use 0-9. 0 is no compression. 9 (default) is maximum compression. * @param {function(Error, Jimp)} cb (optional) a callback for when complete * @returns {Jimp} this for chaining of methods */ deflateLevel(l, cb) { if (typeof l !== "number") { return throwError.call(this, "l must be a number", cb); } if (l < 0 || l > 9) { return throwError.call(this, "l must be a number 0 - 9", cb); } this._deflateLevel = Math.round(l); if (isNodePattern(cb)) { cb.call(this, null, this); } return this; }, /** * Sets the deflate strategy used when saving as PNG format (default is 3) * @param {number} s Deflate strategy to use 0-3. * @param {function(Error, Jimp)} cb (optional) a callback for when complete * @returns {Jimp} this for chaining of methods */ deflateStrategy(s, cb) { if (typeof s !== "number") { return throwError.call(this, "s must be a number", cb); } if (s < 0 || s > 3) { return throwError.call(this, "s must be a number 0 - 3", cb); } this._deflateStrategy = Math.round(s); if (isNodePattern(cb)) { cb.call(this, null, this); } return this; }, /** * Sets the filter type used when saving as PNG format (default is automatic filters) * @param {number} f The quality to use -1-4. * @param {function(Error, Jimp)} cb (optional) a callback for when complete * @returns {Jimp} this for chaining of methods */ filterType(f, cb) { if (typeof f !== "number") { return throwError.call(this, "n must be a number", cb); } if (f < -1 || f > 4) { return throwError.call( this, "n must be -1 (auto) or a number 0 - 4", cb ); } this._filterType = Math.round(f); if (isNodePattern(cb)) { cb.call(this, null, this); } return this; }, /** * Sets the color type used when saving as PNG format * @param {number} s color type to use 0, 2, 4, 6. * @param {function(Error, Jimp)} cb (optional) a callback for when complete * @returns {Jimp} this for chaining of methods */ colorType(s, cb) { if (typeof s !== "number") { return throwError.call(this, "s must be a number", cb); } if (s !== 0 && s !== 2 && s !== 4 && s !== 6) { return throwError.call(this, "s must be a number 0, 2, 4, 6.", cb); } this._colorType = Math.round(s); if (isNodePattern(cb)) { cb.call(this, null, this); } return this; }, }, });
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