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node_modules/@jimp/plugin-threshold/CHANGELOG.md
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node_modules/@jimp/plugin-threshold/CHANGELOG.md
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# v0.11.0 (Fri May 15 2020)
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#### 🚀 Enhancement
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- Removed Core-JS as a dependency. [#882](https://github.com/oliver-moran/jimp/pull/882) ([@EricRabil](https://github.com/EricRabil))
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#### Authors: 1
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- Eric Rabil ([@EricRabil](https://github.com/EricRabil))
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---
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# v0.9.7 (Fri Mar 27 2020)
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#### 🐛 Bug Fix
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- Relax version range of plugin-threshold peerDependencies [#859](https://github.com/oliver-moran/jimp/pull/859) ([@pasieronen](https://github.com/pasieronen))
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#### Authors: 1
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- Pasi Eronen ([@pasieronen](https://github.com/pasieronen))
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---
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# v0.9.3 (Tue Nov 26 2019)
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#### 🐛 Bug Fix
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- `@jimp/cli`, `@jimp/core`, `@jimp/custom`, `jimp`, `@jimp/plugin-blit`, `@jimp/plugin-blur`, `@jimp/plugin-circle`, `@jimp/plugin-color`, `@jimp/plugin-contain`, `@jimp/plugin-cover`, `@jimp/plugin-crop`, `@jimp/plugin-displace`, `@jimp/plugin-dither`, `@jimp/plugin-fisheye`, `@jimp/plugin-flip`, `@jimp/plugin-gaussian`, `@jimp/plugin-invert`, `@jimp/plugin-mask`, `@jimp/plugin-normalize`, `@jimp/plugin-print`, `@jimp/plugin-resize`, `@jimp/plugin-rotate`, `@jimp/plugin-scale`, `@jimp/plugin-shadow`, `@jimp/plugin-threshold`, `@jimp/plugins`, `@jimp/test-utils`, `@jimp/bmp`, `@jimp/gif`, `@jimp/jpeg`, `@jimp/png`, `@jimp/tiff`, `@jimp/types`, `@jimp/utils`
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- Fix regeneratorRuntime errors [#815](https://github.com/oliver-moran/jimp/pull/815) ([@crutchcorn](https://github.com/crutchcorn) [@hipstersmoothie](https://github.com/hipstersmoothie))
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#### Authors: 2
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- Andrew Lisowski ([@hipstersmoothie](https://github.com/hipstersmoothie))
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- Corbin Crutchley ([@crutchcorn](https://github.com/crutchcorn))
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node_modules/@jimp/plugin-threshold/LICENSE
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node_modules/@jimp/plugin-threshold/LICENSE
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MIT License
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Copyright (c) 2018 Oliver Moran
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
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node_modules/@jimp/plugin-threshold/README.md
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node_modules/@jimp/plugin-threshold/README.md
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<div align="center">
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<img width="200" height="200"
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src="https://s3.amazonaws.com/pix.iemoji.com/images/emoji/apple/ios-11/256/crayon.png">
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<h1>@jimp/plugin-threshold</h1>
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<p>Lightens an image.</p>
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</div>
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This is useful as a simplified method for processing scanned drawings, signatures, etc
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## Usage
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- @param {number} options object
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- max: A number auto limited between 0 - 255
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- replace: (optional) A number auto limited between 0 - 255 (default 255)
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- autoGreyscale: (optional) A boolean whether to apply greyscale beforehand (default true)
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- @param {function(Error, Jimp)} cb (optional) a callback for when complete
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```js
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import jimp from 'jimp';
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async function main() {
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const image = await jimp.read('test/image.png');
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image.threshold({ max: 150 });
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// or
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image.threshold({ max: 200, replace: 200, autoGreyscale: false });
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}
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main();
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```
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node_modules/@jimp/plugin-threshold/babel.config.js
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node_modules/@jimp/plugin-threshold/babel.config.js
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module.exports = api => {
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api.cache(true);
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return {
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presets: [
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[
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'@babel/env',
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{
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useBuiltIns: 'usage'
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}
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]
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],
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plugins: [
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'@babel/proposal-class-properties',
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'@babel/syntax-object-rest-spread',
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process.env.BABEL_ENV !== 'module' && 'add-module-exports',
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[
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'transform-inline-environment-variables',
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{ include: ['BABEL_ENV', 'ENV'] }
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]
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].filter(Boolean),
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env: {
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test: {
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plugins: ['istanbul']
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},
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development: {
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plugins: [process.env.ENV !== 'browser' && 'source-map-support'].filter(
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Boolean
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)
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},
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module: {
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presets: [['@babel/env', { modules: false }]]
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}
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}
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};
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};
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node_modules/@jimp/plugin-threshold/dist/index.js
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node_modules/@jimp/plugin-threshold/dist/index.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _utils = require("@jimp/utils");
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||||
/**
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* Applies a minimum color threshold to a greyscale image. Converts image to greyscale by default
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* @param {number} options object
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* max: A number auto limited between 0 - 255
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* replace: (optional) A number auto limited between 0 - 255 (default 255)
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* autoGreyscale: (optional) A boolean whether to apply greyscale beforehand (default true)
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* @param {number} cb (optional) a callback for when complete
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* @return {this} this for chaining of methods
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*/
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var _default = function _default() {
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return {
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threshold: function threshold(_ref, cb) {
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var _this = this;
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var max = _ref.max,
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_ref$replace = _ref.replace,
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replace = _ref$replace === void 0 ? 255 : _ref$replace,
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_ref$autoGreyscale = _ref.autoGreyscale,
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autoGreyscale = _ref$autoGreyscale === void 0 ? true : _ref$autoGreyscale;
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if (typeof max !== 'number') {
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return _utils.throwError.call(this, 'max must be a number', cb);
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}
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if (typeof replace !== 'number') {
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return _utils.throwError.call(this, 'replace must be a number', cb);
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}
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if (typeof autoGreyscale !== 'boolean') {
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return _utils.throwError.call(this, 'autoGreyscale must be a boolean', cb);
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}
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max = this.constructor.limit255(max);
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replace = this.constructor.limit255(replace);
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if (autoGreyscale) {
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this.greyscale();
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}
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this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
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var grey = _this.bitmap.data[idx] < max ? _this.bitmap.data[idx] : replace;
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_this.bitmap.data[idx] = grey;
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_this.bitmap.data[idx + 1] = grey;
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_this.bitmap.data[idx + 2] = grey;
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});
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if ((0, _utils.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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};
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exports["default"] = _default;
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module.exports = exports.default;
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//# sourceMappingURL=index.js.map
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node_modules/@jimp/plugin-threshold/dist/index.js.map
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node_modules/@jimp/plugin-threshold/dist/index.js.map
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{"version":3,"sources":["../src/index.js"],"names":["threshold","cb","max","replace","autoGreyscale","throwError","call","constructor","limit255","greyscale","scanQuiet","bitmap","width","height","x","y","idx","grey","data"],"mappings":";;;;;;;AAAA;;AAEA;;;;;;;;;eASe;AAAA,SAAO;AACpBA,IAAAA,SADoB,2BACoCC,EADpC,EACwC;AAAA;;AAAA,UAAhDC,GAAgD,QAAhDA,GAAgD;AAAA,8BAA3CC,OAA2C;AAAA,UAA3CA,OAA2C,6BAAjC,GAAiC;AAAA,oCAA5BC,aAA4B;AAAA,UAA5BA,aAA4B,mCAAZ,IAAY;;AAC1D,UAAI,OAAOF,GAAP,KAAe,QAAnB,EAA6B;AAC3B,eAAOG,kBAAWC,IAAX,CAAgB,IAAhB,EAAsB,sBAAtB,EAA8CL,EAA9C,CAAP;AACD;;AAED,UAAI,OAAOE,OAAP,KAAmB,QAAvB,EAAiC;AAC/B,eAAOE,kBAAWC,IAAX,CAAgB,IAAhB,EAAsB,0BAAtB,EAAkDL,EAAlD,CAAP;AACD;;AAED,UAAI,OAAOG,aAAP,KAAyB,SAA7B,EAAwC;AACtC,eAAOC,kBAAWC,IAAX,CAAgB,IAAhB,EAAsB,iCAAtB,EAAyDL,EAAzD,CAAP;AACD;;AAEDC,MAAAA,GAAG,GAAG,KAAKK,WAAL,CAAiBC,QAAjB,CAA0BN,GAA1B,CAAN;AACAC,MAAAA,OAAO,GAAG,KAAKI,WAAL,CAAiBC,QAAjB,CAA0BL,OAA1B,CAAV;;AAEA,UAAIC,aAAJ,EAAmB;AACjB,aAAKK,SAAL;AACD;;AAED,WAAKC,SAAL,CAAe,CAAf,EAAkB,CAAlB,EAAqB,KAAKC,MAAL,CAAYC,KAAjC,EAAwC,KAAKD,MAAL,CAAYE,MAApD,EAA4D,UAACC,CAAD,EAAIC,CAAJ,EAAOC,GAAP,EAAe;AACzE,YAAMC,IAAI,GACR,KAAI,CAACN,MAAL,CAAYO,IAAZ,CAAiBF,GAAjB,IAAwBd,GAAxB,GAA8B,KAAI,CAACS,MAAL,CAAYO,IAAZ,CAAiBF,GAAjB,CAA9B,GAAsDb,OADxD;AAGA,QAAA,KAAI,CAACQ,MAAL,CAAYO,IAAZ,CAAiBF,GAAjB,IAAwBC,IAAxB;AACA,QAAA,KAAI,CAACN,MAAL,CAAYO,IAAZ,CAAiBF,GAAG,GAAG,CAAvB,IAA4BC,IAA5B;AACA,QAAA,KAAI,CAACN,MAAL,CAAYO,IAAZ,CAAiBF,GAAG,GAAG,CAAvB,IAA4BC,IAA5B;AACD,OAPD;;AASA,UAAI,0BAAchB,EAAd,CAAJ,EAAuB;AACrBA,QAAAA,EAAE,CAACK,IAAH,CAAQ,IAAR,EAAc,IAAd,EAAoB,IAApB;AACD;;AAED,aAAO,IAAP;AACD;AAnCmB,GAAP;AAAA,C","sourcesContent":["import { isNodePattern, throwError } from '@jimp/utils';\n\n/**\n * Applies a minimum color threshold to a greyscale image. Converts image to greyscale by default\n * @param {number} options object\n * max: A number auto limited between 0 - 255\n * replace: (optional) A number auto limited between 0 - 255 (default 255)\n * autoGreyscale: (optional) A boolean whether to apply greyscale beforehand (default true)\n * @param {number} cb (optional) a callback for when complete\n * @return {this} this for chaining of methods\n */\nexport default () => ({\n threshold({ max, replace = 255, autoGreyscale = true }, cb) {\n if (typeof max !== 'number') {\n return throwError.call(this, 'max must be a number', cb);\n }\n\n if (typeof replace !== 'number') {\n return throwError.call(this, 'replace must be a number', cb);\n }\n\n if (typeof autoGreyscale !== 'boolean') {\n return throwError.call(this, 'autoGreyscale must be a boolean', cb);\n }\n\n max = this.constructor.limit255(max);\n replace = this.constructor.limit255(replace);\n\n if (autoGreyscale) {\n this.greyscale();\n }\n\n this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, (x, y, idx) => {\n const grey =\n this.bitmap.data[idx] < max ? this.bitmap.data[idx] : replace;\n\n this.bitmap.data[idx] = grey;\n this.bitmap.data[idx + 1] = grey;\n this.bitmap.data[idx + 2] = grey;\n });\n\n if (isNodePattern(cb)) {\n cb.call(this, null, this);\n }\n\n return this;\n }\n});\n"],"file":"index.js"}
|
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node_modules/@jimp/plugin-threshold/es/index.js
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node_modules/@jimp/plugin-threshold/es/index.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
|
||||
value: true
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});
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exports["default"] = void 0;
|
||||
|
||||
var _utils = require("@jimp/utils");
|
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|
||||
/**
|
||||
* Applies a minimum color threshold to a greyscale image. Converts image to greyscale by default
|
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* @param {number} options object
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||||
* max: A number auto limited between 0 - 255
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* replace: (optional) A number auto limited between 0 - 255 (default 255)
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* autoGreyscale: (optional) A boolean whether to apply greyscale beforehand (default true)
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* @param {number} cb (optional) a callback for when complete
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* @return {this} this for chaining of methods
|
||||
*/
|
||||
var _default = function _default() {
|
||||
return {
|
||||
threshold: function threshold(_ref, cb) {
|
||||
var _this = this;
|
||||
|
||||
var max = _ref.max,
|
||||
_ref$replace = _ref.replace,
|
||||
replace = _ref$replace === void 0 ? 255 : _ref$replace,
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_ref$autoGreyscale = _ref.autoGreyscale,
|
||||
autoGreyscale = _ref$autoGreyscale === void 0 ? true : _ref$autoGreyscale;
|
||||
|
||||
if (typeof max !== 'number') {
|
||||
return _utils.throwError.call(this, 'max must be a number', cb);
|
||||
}
|
||||
|
||||
if (typeof replace !== 'number') {
|
||||
return _utils.throwError.call(this, 'replace must be a number', cb);
|
||||
}
|
||||
|
||||
if (typeof autoGreyscale !== 'boolean') {
|
||||
return _utils.throwError.call(this, 'autoGreyscale must be a boolean', cb);
|
||||
}
|
||||
|
||||
max = this.constructor.limit255(max);
|
||||
replace = this.constructor.limit255(replace);
|
||||
|
||||
if (autoGreyscale) {
|
||||
this.greyscale();
|
||||
}
|
||||
|
||||
this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
|
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var grey = _this.bitmap.data[idx] < max ? _this.bitmap.data[idx] : replace;
|
||||
_this.bitmap.data[idx] = grey;
|
||||
_this.bitmap.data[idx + 1] = grey;
|
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_this.bitmap.data[idx + 2] = grey;
|
||||
});
|
||||
|
||||
if ((0, _utils.isNodePattern)(cb)) {
|
||||
cb.call(this, null, this);
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
exports["default"] = _default;
|
||||
//# sourceMappingURL=index.js.map
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node_modules/@jimp/plugin-threshold/es/index.js.map
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node_modules/@jimp/plugin-threshold/es/index.js.map
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|
||||
{"version":3,"sources":["../src/index.js"],"names":["threshold","cb","max","replace","autoGreyscale","throwError","call","constructor","limit255","greyscale","scanQuiet","bitmap","width","height","x","y","idx","grey","data"],"mappings":";;;;;;;AAAA;;AAEA;;;;;;;;;eASe;AAAA,SAAO;AACpBA,IAAAA,SADoB,2BACoCC,EADpC,EACwC;AAAA;;AAAA,UAAhDC,GAAgD,QAAhDA,GAAgD;AAAA,8BAA3CC,OAA2C;AAAA,UAA3CA,OAA2C,6BAAjC,GAAiC;AAAA,oCAA5BC,aAA4B;AAAA,UAA5BA,aAA4B,mCAAZ,IAAY;;AAC1D,UAAI,OAAOF,GAAP,KAAe,QAAnB,EAA6B;AAC3B,eAAOG,kBAAWC,IAAX,CAAgB,IAAhB,EAAsB,sBAAtB,EAA8CL,EAA9C,CAAP;AACD;;AAED,UAAI,OAAOE,OAAP,KAAmB,QAAvB,EAAiC;AAC/B,eAAOE,kBAAWC,IAAX,CAAgB,IAAhB,EAAsB,0BAAtB,EAAkDL,EAAlD,CAAP;AACD;;AAED,UAAI,OAAOG,aAAP,KAAyB,SAA7B,EAAwC;AACtC,eAAOC,kBAAWC,IAAX,CAAgB,IAAhB,EAAsB,iCAAtB,EAAyDL,EAAzD,CAAP;AACD;;AAEDC,MAAAA,GAAG,GAAG,KAAKK,WAAL,CAAiBC,QAAjB,CAA0BN,GAA1B,CAAN;AACAC,MAAAA,OAAO,GAAG,KAAKI,WAAL,CAAiBC,QAAjB,CAA0BL,OAA1B,CAAV;;AAEA,UAAIC,aAAJ,EAAmB;AACjB,aAAKK,SAAL;AACD;;AAED,WAAKC,SAAL,CAAe,CAAf,EAAkB,CAAlB,EAAqB,KAAKC,MAAL,CAAYC,KAAjC,EAAwC,KAAKD,MAAL,CAAYE,MAApD,EAA4D,UAACC,CAAD,EAAIC,CAAJ,EAAOC,GAAP,EAAe;AACzE,YAAMC,IAAI,GACR,KAAI,CAACN,MAAL,CAAYO,IAAZ,CAAiBF,GAAjB,IAAwBd,GAAxB,GAA8B,KAAI,CAACS,MAAL,CAAYO,IAAZ,CAAiBF,GAAjB,CAA9B,GAAsDb,OADxD;AAGA,QAAA,KAAI,CAACQ,MAAL,CAAYO,IAAZ,CAAiBF,GAAjB,IAAwBC,IAAxB;AACA,QAAA,KAAI,CAACN,MAAL,CAAYO,IAAZ,CAAiBF,GAAG,GAAG,CAAvB,IAA4BC,IAA5B;AACA,QAAA,KAAI,CAACN,MAAL,CAAYO,IAAZ,CAAiBF,GAAG,GAAG,CAAvB,IAA4BC,IAA5B;AACD,OAPD;;AASA,UAAI,0BAAchB,EAAd,CAAJ,EAAuB;AACrBA,QAAAA,EAAE,CAACK,IAAH,CAAQ,IAAR,EAAc,IAAd,EAAoB,IAApB;AACD;;AAED,aAAO,IAAP;AACD;AAnCmB,GAAP;AAAA,C","sourcesContent":["import { isNodePattern, throwError } from '@jimp/utils';\n\n/**\n * Applies a minimum color threshold to a greyscale image. Converts image to greyscale by default\n * @param {number} options object\n * max: A number auto limited between 0 - 255\n * replace: (optional) A number auto limited between 0 - 255 (default 255)\n * autoGreyscale: (optional) A boolean whether to apply greyscale beforehand (default true)\n * @param {number} cb (optional) a callback for when complete\n * @return {this} this for chaining of methods\n */\nexport default () => ({\n threshold({ max, replace = 255, autoGreyscale = true }, cb) {\n if (typeof max !== 'number') {\n return throwError.call(this, 'max must be a number', cb);\n }\n\n if (typeof replace !== 'number') {\n return throwError.call(this, 'replace must be a number', cb);\n }\n\n if (typeof autoGreyscale !== 'boolean') {\n return throwError.call(this, 'autoGreyscale must be a boolean', cb);\n }\n\n max = this.constructor.limit255(max);\n replace = this.constructor.limit255(replace);\n\n if (autoGreyscale) {\n this.greyscale();\n }\n\n this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, (x, y, idx) => {\n const grey =\n this.bitmap.data[idx] < max ? this.bitmap.data[idx] : replace;\n\n this.bitmap.data[idx] = grey;\n this.bitmap.data[idx + 1] = grey;\n this.bitmap.data[idx + 2] = grey;\n });\n\n if (isNodePattern(cb)) {\n cb.call(this, null, this);\n }\n\n return this;\n }\n});\n"],"file":"index.js"}
|
11
node_modules/@jimp/plugin-threshold/index.d.ts
generated
vendored
Normal file
11
node_modules/@jimp/plugin-threshold/index.d.ts
generated
vendored
Normal file
@ -0,0 +1,11 @@
|
||||
import { ImageCallback } from '@jimp/core';
|
||||
|
||||
interface Threshold {
|
||||
threshold(opts: {
|
||||
max: number,
|
||||
replace?: number,
|
||||
autoGreyscale?: boolean
|
||||
}, cb?: ImageCallback<this>): this;
|
||||
}
|
||||
|
||||
export default function(): Threshold;
|
42
node_modules/@jimp/plugin-threshold/package.json
generated
vendored
Normal file
42
node_modules/@jimp/plugin-threshold/package.json
generated
vendored
Normal file
@ -0,0 +1,42 @@
|
||||
{
|
||||
"name": "@jimp/plugin-threshold",
|
||||
"version": "0.12.1",
|
||||
"description": "Lightens an image.",
|
||||
"main": "dist/index.js",
|
||||
"module": "es/index.js",
|
||||
"types": "index.d.ts",
|
||||
"scripts": {
|
||||
"test": "cross-env BABEL_ENV=test mocha --require @babel/register",
|
||||
"test:watch": "npm run test -- --reporter min --watch",
|
||||
"test:coverage": "nyc npm run test",
|
||||
"build": "npm run build:node:production && npm run build:module",
|
||||
"build:watch": "npm run build:node:debug -- -- --watch --verbose",
|
||||
"build:debug": "npm run build:node:debug",
|
||||
"build:module": "cross-env BABEL_ENV=module babel src -d es --source-maps --config-file ../../babel.config.js",
|
||||
"build:node": "babel src -d dist --source-maps --config-file ../../babel.config.js",
|
||||
"build:node:debug": "cross-env BABEL_ENV=development npm run build:node",
|
||||
"build:node:production": "cross-env BABEL_ENV=production npm run build:node"
|
||||
},
|
||||
"author": "",
|
||||
"license": "MIT",
|
||||
"dependencies": {
|
||||
"@babel/runtime": "^7.7.2",
|
||||
"@jimp/utils": "^0.12.1"
|
||||
},
|
||||
"peerDependencies": {
|
||||
"@jimp/custom": ">=0.3.5",
|
||||
"@jimp/plugin-color": ">=0.8.0",
|
||||
"@jimp/plugin-resize": ">=0.8.0"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@jimp/custom": "^0.12.1",
|
||||
"@jimp/jpeg": "^0.12.1",
|
||||
"@jimp/plugin-color": "^0.12.1",
|
||||
"@jimp/plugin-resize": "^0.12.1",
|
||||
"@jimp/test-utils": "^0.12.1"
|
||||
},
|
||||
"publishConfig": {
|
||||
"access": "public"
|
||||
},
|
||||
"gitHead": "942e635564e36fc243767531b4f8be036afa40b5"
|
||||
}
|
48
node_modules/@jimp/plugin-threshold/src/index.js
generated
vendored
Normal file
48
node_modules/@jimp/plugin-threshold/src/index.js
generated
vendored
Normal file
@ -0,0 +1,48 @@
|
||||
import { isNodePattern, throwError } from '@jimp/utils';
|
||||
|
||||
/**
|
||||
* Applies a minimum color threshold to a greyscale image. Converts image to greyscale by default
|
||||
* @param {number} options object
|
||||
* max: A number auto limited between 0 - 255
|
||||
* replace: (optional) A number auto limited between 0 - 255 (default 255)
|
||||
* autoGreyscale: (optional) A boolean whether to apply greyscale beforehand (default true)
|
||||
* @param {number} cb (optional) a callback for when complete
|
||||
* @return {this} this for chaining of methods
|
||||
*/
|
||||
export default () => ({
|
||||
threshold({ max, replace = 255, autoGreyscale = true }, cb) {
|
||||
if (typeof max !== 'number') {
|
||||
return throwError.call(this, 'max must be a number', cb);
|
||||
}
|
||||
|
||||
if (typeof replace !== 'number') {
|
||||
return throwError.call(this, 'replace must be a number', cb);
|
||||
}
|
||||
|
||||
if (typeof autoGreyscale !== 'boolean') {
|
||||
return throwError.call(this, 'autoGreyscale must be a boolean', cb);
|
||||
}
|
||||
|
||||
max = this.constructor.limit255(max);
|
||||
replace = this.constructor.limit255(replace);
|
||||
|
||||
if (autoGreyscale) {
|
||||
this.greyscale();
|
||||
}
|
||||
|
||||
this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, (x, y, idx) => {
|
||||
const grey =
|
||||
this.bitmap.data[idx] < max ? this.bitmap.data[idx] : replace;
|
||||
|
||||
this.bitmap.data[idx] = grey;
|
||||
this.bitmap.data[idx + 1] = grey;
|
||||
this.bitmap.data[idx + 2] = grey;
|
||||
});
|
||||
|
||||
if (isNodePattern(cb)) {
|
||||
cb.call(this, null, this);
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
});
|
BIN
node_modules/@jimp/plugin-threshold/test/images/hands.jpg
generated
vendored
Normal file
BIN
node_modules/@jimp/plugin-threshold/test/images/hands.jpg
generated
vendored
Normal file
Binary file not shown.
After Width: | Height: | Size: 207 KiB |
BIN
node_modules/@jimp/plugin-threshold/test/images/hands_mx200_rp255.jpg
generated
vendored
Normal file
BIN
node_modules/@jimp/plugin-threshold/test/images/hands_mx200_rp255.jpg
generated
vendored
Normal file
Binary file not shown.
After Width: | Height: | Size: 431 KiB |
30
node_modules/@jimp/plugin-threshold/test/threshold.test.js
generated
vendored
Normal file
30
node_modules/@jimp/plugin-threshold/test/threshold.test.js
generated
vendored
Normal file
@ -0,0 +1,30 @@
|
||||
import { Jimp, getTestDir } from '@jimp/test-utils';
|
||||
import configure from '@jimp/custom';
|
||||
import jpeg from '@jimp/jpeg';
|
||||
import color from '@jimp/plugin-color';
|
||||
import resize from '@jimp/plugin-resize';
|
||||
|
||||
import threshold from '../src';
|
||||
|
||||
const jimp = configure(
|
||||
{ types: [jpeg], plugins: [threshold, color, resize] },
|
||||
Jimp
|
||||
);
|
||||
|
||||
describe('Threshold', function() {
|
||||
this.timeout(15000);
|
||||
|
||||
it('defines default threshold for lighter backgrounds', async () => {
|
||||
const expectedImage = await jimp.read(
|
||||
getTestDir(__dirname) + '/images/hands_mx200_rp255.jpg'
|
||||
);
|
||||
const testImage = await jimp.read(
|
||||
getTestDir(__dirname) + '/images/hands.jpg'
|
||||
);
|
||||
|
||||
testImage
|
||||
.threshold({ max: 200, replace: 255 })
|
||||
.hash()
|
||||
.should.be.equal(expectedImage.hash());
|
||||
});
|
||||
});
|
Reference in New Issue
Block a user