How to use DeviceGrayCS method in wpt

Best JavaScript code snippet using wpt

colorspace.js

Source:colorspace.js

...27  ColorSpace.fromIR = function ColorSpace_fromIR(IR) {28    var name = isArray(IR) ? IR[0] : IR;29    switch (name) {30      case 'DeviceGrayCS':31        return new DeviceGrayCS();32      case 'DeviceRgbCS':33        return new DeviceRgbCS();34      case 'DeviceCmykCS':35        return new DeviceCmykCS();36      case 'PatternCS':37        var basePatternCS = IR[1];38        if (basePatternCS)39          basePatternCS = ColorSpace.fromIR(basePatternCS);40        return new PatternCS(basePatternCS);41      case 'IndexedCS':42        var baseIndexedCS = IR[1];43        var hiVal = IR[2];44        var lookup = IR[3];45        return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup);46      case 'AlternateCS':47        var numComps = IR[1];48        var alt = IR[2];49        var tintFnIR = IR[3];50        return new AlternateCS(numComps, ColorSpace.fromIR(alt),51                                PDFFunction.fromIR(tintFnIR));52      case 'LabCS':53        var whitePoint = IR[1].WhitePoint;54        var blackPoint = IR[1].BlackPoint;55        var range = IR[1].Range;56        return new LabCS(whitePoint, blackPoint, range);57      default:58        error('Unkown name ' + name);59    }60    return null;61  };62  ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) {63    if (isName(cs)) {64      var colorSpaces = res.get('ColorSpace');65      if (isDict(colorSpaces)) {66        var refcs = colorSpaces.get(cs.name);67        if (refcs)68          cs = refcs;69      }70    }71    cs = xref.fetchIfRef(cs);72    var mode;73    if (isName(cs)) {74      mode = cs.name;75      this.mode = mode;76      switch (mode) {77        case 'DeviceGray':78        case 'G':79          return 'DeviceGrayCS';80        case 'DeviceRGB':81        case 'RGB':82          return 'DeviceRgbCS';83        case 'DeviceCMYK':84        case 'CMYK':85          return 'DeviceCmykCS';86        case 'Pattern':87          return ['PatternCS', null];88        default:89          error('unrecognized colorspace ' + mode);90      }91    } else if (isArray(cs)) {92      mode = cs[0].name;93      this.mode = mode;94      switch (mode) {95        case 'DeviceGray':96        case 'G':97          return 'DeviceGrayCS';98        case 'DeviceRGB':99        case 'RGB':100          return 'DeviceRgbCS';101        case 'DeviceCMYK':102        case 'CMYK':103          return 'DeviceCmykCS';104        case 'CalGray':105          return 'DeviceGrayCS';106        case 'CalRGB':107          return 'DeviceRgbCS';108        case 'ICCBased':109          var stream = xref.fetchIfRef(cs[1]);110          var dict = stream.dict;111          var numComps = dict.get('N');112          if (numComps == 1)113            return 'DeviceGrayCS';114          if (numComps == 3)115            return 'DeviceRgbCS';116          if (numComps == 4)117            return 'DeviceCmykCS';118          break;119        case 'Pattern':120          var basePatternCS = cs[1];121          if (basePatternCS)122            basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res);123          return ['PatternCS', basePatternCS];124        case 'Indexed':125        case 'I':126          var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res);127          var hiVal = cs[2] + 1;128          var lookup = xref.fetchIfRef(cs[3]);129          if (isStream(lookup)) {130            lookup = lookup.getBytes();131          }132          return ['IndexedCS', baseIndexedCS, hiVal, lookup];133        case 'Separation':134        case 'DeviceN':135          var name = cs[1];136          var numComps = 1;137          if (isName(name))138            numComps = 1;139          else if (isArray(name))140            numComps = name.length;141          var alt = ColorSpace.parseToIR(cs[2], xref, res);142          var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3]));143          return ['AlternateCS', numComps, alt, tintFnIR];144        case 'Lab':145          var params = cs[1].getAll();146          return ['LabCS', params];147        default:148          error('unimplemented color space object "' + mode + '"');149      }150    } else {151      error('unrecognized color space object: "' + cs + '"');152    }153    return null;154  };155  /**156   * Checks if a decode map matches the default decode map for a color space.157   * This handles the general decode maps where there are two values per158   * component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color.159   * This does not handle Lab, Indexed, or Pattern decode maps since they are160   * slightly different.161   * @param {Array} decode Decode map (usually from an image).162   * @param {Number} n Number of components the color space has.163   */164  ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) {165    if (!decode)166      return true;167    if (n * 2 !== decode.length) {168      warning('The decode map is not the correct length');169      return true;170    }171    for (var i = 0, ii = decode.length; i < ii; i += 2) {172      if (decode[i] != 0 || decode[i + 1] != 1)173        return false;174    }175    return true;176  };177  return ColorSpace;178})();179/**180 * Alternate color space handles both Separation and DeviceN color spaces.  A181 * Separation color space is actually just a DeviceN with one color component.182 * Both color spaces use a tinting function to convert colors to a base color183 * space.184 */185var AlternateCS = (function AlternateCSClosure() {186  function AlternateCS(numComps, base, tintFn) {187    this.name = 'Alternate';188    this.numComps = numComps;189    this.defaultColor = [];190    for (var i = 0; i < numComps; ++i)191      this.defaultColor.push(1);192    this.base = base;193    this.tintFn = tintFn;194  }195  AlternateCS.prototype = {196    getRgb: function AlternateCS_getRgb(color) {197      var tinted = this.tintFn(color);198      return this.base.getRgb(tinted);199    },200    getRgbBuffer: function AlternateCS_getRgbBuffer(input, bits) {201      var tintFn = this.tintFn;202      var base = this.base;203      var scale = 1 / ((1 << bits) - 1);204      var length = input.length;205      var pos = 0;206      var baseNumComps = base.numComps;207      var baseBuf = new Uint8Array(baseNumComps * length);208      var numComps = this.numComps;209      var scaled = [];210      for (var i = 0; i < length; i += numComps) {211        for (var z = 0; z < numComps; ++z)212          scaled[z] = input[i + z] * scale;213        var tinted = tintFn(scaled);214        for (var j = 0; j < baseNumComps; ++j)215          baseBuf[pos++] = 255 * tinted[j];216      }217      return base.getRgbBuffer(baseBuf, 8);218    },219    isDefaultDecode: function AlternateCS_isDefaultDecode(decodeMap) {220      return ColorSpace.isDefaultDecode(decodeMap, this.numComps);221    }222  };223  return AlternateCS;224})();225var PatternCS = (function PatternCSClosure() {226  function PatternCS(baseCS) {227    this.name = 'Pattern';228    this.base = baseCS;229  }230  PatternCS.prototype = {};231  return PatternCS;232})();233var IndexedCS = (function IndexedCSClosure() {234  function IndexedCS(base, highVal, lookup) {235    this.name = 'Indexed';236    this.numComps = 1;237    this.defaultColor = [0];238    this.base = base;239    this.highVal = highVal;240    var baseNumComps = base.numComps;241    var length = baseNumComps * highVal;242    var lookupArray;243    if (isStream(lookup)) {244      lookupArray = new Uint8Array(length);245      var bytes = lookup.getBytes(length);246      lookupArray.set(bytes);247    } else if (isString(lookup)) {248      lookupArray = new Uint8Array(length);249      for (var i = 0; i < length; ++i)250        lookupArray[i] = lookup.charCodeAt(i);251    } else if (lookup instanceof Uint8Array) {252      lookupArray = lookup;253    } else {254      error('Unrecognized lookup table: ' + lookup);255    }256    this.lookup = lookupArray;257  }258  IndexedCS.prototype = {259    getRgb: function IndexedCS_getRgb(color) {260      var numComps = this.base.numComps;261      var start = color[0] * numComps;262      var c = [];263      for (var i = start, ii = start + numComps; i < ii; ++i)264        c.push(this.lookup[i]);265      return this.base.getRgb(c);266    },267    getRgbBuffer: function IndexedCS_getRgbBuffer(input) {268      var base = this.base;269      var numComps = base.numComps;270      var lookup = this.lookup;271      var length = input.length;272      var baseBuf = new Uint8Array(length * numComps);273      var baseBufPos = 0;274      for (var i = 0; i < length; ++i) {275        var lookupPos = input[i] * numComps;276        for (var j = 0; j < numComps; ++j) {277          baseBuf[baseBufPos++] = lookup[lookupPos + j];278        }279      }280      return base.getRgbBuffer(baseBuf, 8);281    },282    isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) {283      // indexed color maps shouldn't be changed284      return true;285    }286  };287  return IndexedCS;288})();289var DeviceGrayCS = (function DeviceGrayCSClosure() {290  function DeviceGrayCS() {291    this.name = 'DeviceGray';292    this.numComps = 1;293    this.defaultColor = [0];294  }295  DeviceGrayCS.prototype = {296    getRgb: function DeviceGrayCS_getRgb(color) {297      var c = color[0];298      return [c, c, c];299    },300    getRgbBuffer: function DeviceGrayCS_getRgbBuffer(input, bits) {301      var scale = 255 / ((1 << bits) - 1);302      var length = input.length;303      var rgbBuf = new Uint8Array(length * 3);304      for (var i = 0, j = 0; i < length; ++i) {...

Using AI Code Generation

1var wptools = require('wptools');2var DeviceGrayCS = wptools.DeviceGrayCS;3var DeviceRGBCS = wptools.DeviceRGBCS;4var DeviceCMYKCS = wptools.DeviceCMYKCS;5var ICCBasedCS = wptools.ICCBasedCS;6var IndexedCS = wptools.IndexedCS;7var PatternCS = wptools.PatternCS;8var SeparationCS = wptools.SeparationCS;9var LabCS = wptools.LabCS;10var ICCBasedCS = wptools.ICCBasedCS;11var DeviceNCS = wptools.DeviceNCS;12var CalGrayCS = wptools.CalGrayCS;13var CalRGBCS = wptools.CalRGBCS;14var LabCS = wptools.LabCS;15var ICCBasedCS = wptools.ICCBasedCS;16var PatternCS = wptools.PatternCS;17var cs = new DeviceGrayCS();18var cs = new DeviceRGBCS();19var cs = new DeviceCMYKCS();20var cs = new ICCBasedCS();21var cs = new IndexedCS();22var cs = new PatternCS();23var cs = new SeparationCS();24var cs = new LabCS();25var cs = new ICCBasedCS();26var cs = new DeviceNCS();27var cs = new CalGrayCS();28var cs = new CalRGBCS();29var cs = new LabCS();30var cs = new ICCBasedCS();31var cs = new PatternCS();32##### new DeviceGrayCS()33##### DeviceGrayCS.prototype.getMode()34##### DeviceGrayCS.prototype.getDefColor()35##### DeviceGrayCS.prototype.getGray(color)36##### DeviceGrayCS.prototype.getRGB(color)37##### DeviceGrayCS.prototype.getCMYK(color)38##### DeviceGrayCS.prototype.getHSL(color)

Using AI Code Generation

1wpt.DeviceGrayCS(0.5);2wpt.DeviceGrayCS(0.5, 0.5);3wpt.DeviceGrayCS(0.5, 0.5, 0.5);4wpt.DeviceGrayCS(0.5, 0.5, 0.5, 0.5);5wpt.DeviceRGBCS(0.5, 0.5, 0.5);6wpt.DeviceRGBCS(0.5, 0.5, 0.5, 0.5);7wpt.DeviceCMYKCS(0.5, 0.5, 0.5, 0.5);8wpt.DeviceCMYKCS(0.5, 0.5, 0.5, 0.5, 0.5);9wpt.PatternCS();10wpt.IndexedCS(0, 0, 0, 0, 0, 0);11wpt.IndexedCS(0, 0, 0, 0, 0, 0, 0);12wpt.SeparationCS(0, 0, 0, 0, 0, 0);13wpt.SeparationCS(0, 0, 0, 0, 0, 0, 0);14wpt.DeviceNCS(0, 0, 0, 0, 0, 0);15wpt.DeviceNCS(0, 0, 0, 0, 0, 0, 0);16wpt.ICCBasedCS(0, 0, 0, 0, 0, 0);17wpt.ICCBasedCS(0, 0, 0, 0, 0, 0, 0);18wpt.CalGrayCS(0, 0, 0, 0, 0, 0

Using AI Code Generation

1var DeviceGrayCS = require('wptoolkit').DeviceGrayCS;2var c = new DeviceGrayCS();3console.log(c);4var DeviceRGBCS = require('wptoolkit').DeviceRGBCS;5var c = new DeviceRGBCS();6console.log(c);7var DeviceCMYKCS = require('wptoolkit').DeviceCMYKCS;8var c = new DeviceCMYKCS();9console.log(c);10var DeviceNCS = require('wptoolkit').DeviceNCS;11var c = new DeviceNCS();12console.log(c);13var PatternCS = require('wptoolkit').PatternCS;14var c = new PatternCS();15console.log(c);16var IndexedCS = require('wptoolkit').IndexedCS;17var c = new IndexedCS();18console.log(c);19var SeparationCS = require('wptoolkit').SeparationCS;20var c = new SeparationCS();21console.log(c);22var ICCBasedCS = require('wptoolkit').ICCBasedCS;23var c = new ICCBasedCS();24console.log(c);25var LabCS = require('wptoolkit').LabCS;26var c = new LabCS();27console.log(c);28var CalGrayCS = require('wptoolkit').CalGrayCS;29var c = new CalGrayCS();30console.log(c);31var CalRGBCS = require('wptoolkit').CalRGBCS;32var c = new CalRGBCS();33console.log(c);34var DeviceNCS = require('wptoolkit').DeviceNCS;35var c = new DeviceNCS();36console.log(c);

Using AI Code Generation

1var wpt = require('wpt');2var doc = app.activeDocument;3var myPath = doc.pathItems.add();4myPath.setEntirePath([[100,100],[100,300],[300,300],[300,100]]);5var myGray = wpt.DeviceGrayCS();6myPath.fillColor = myGray;7myPath.strokeColor = myGray;8myPath.filled = true;9myPath.stroked = true;10var wpt = {};11wpt.DeviceGrayCS = function () {12    var desc = new ActionDescriptor();13    var ref = new ActionReference();14    ref.putClass(charIDToTypeID("Grsc"));15    desc.putReference(charIDToTypeID("null"), ref);16    executeAction(charIDToTypeID("Mk  "), desc, DialogModes.NO);17    return app.foregroundColor;18}19wpt;20var wpt = {};21var wpt = wpt || {};22var doc = app.activeDocument;23var myPath = doc.pathItems.add();24myPath.setEntirePath([[100,100],[100,300],[300,300],[300,100]]);25var myCMYK = new CMYKColor();26myCMYK.cyan = 100;27myCMYK.magenta = 100;28myCMYK.yellow = 100;29myCMYK.black = 100;30myPath.fillColor = myCMYK;31myPath.strokeColor = myCMYK;32myPath.filled = true;33myPath.stroked = true;

Using AI Code Generation

1var wptools = require("wptools");2var pdf = new wptools.Pdf("test.pdf");3var page = pdf.getPage(1);4var pageContents = page.getContents();5var newPageContents = pageContents.DeviceGrayCS();6page.setContents(newPageContents);7pdf.save("test.pdf");8var wptools = require("wptools");9var pdf = new wptools.Pdf("test.pdf");10var page = pdf.getPage(1);11var pageContents = page.getContents();12var newPageContents = pageContents.DeviceRGBCS();13page.setContents(newPageContents);14pdf.save("test.pdf");15var wptools = require("wptools");16var pdf = new wptools.Pdf("test.pdf");17var page = pdf.getPage(1);18var pageContents = page.getContents();19var newPageContents = pageContents.DeviceCMYKCS();20page.setContents(newPageContents);21pdf.save("test.pdf");22var wptools = require("wptools");23var pdf = new wptools.Pdf("test.pdf");24var page = pdf.getPage(1);25var pageContents = page.getContents();26var newPageContents = pageContents.CalGrayCS();27page.setContents(newPageContents);28pdf.save("test.pdf");29var wptools = require("wptools");30var pdf = new wptools.Pdf("test.pdf");31var page = pdf.getPage(1);32var pageContents = page.getContents();33var newPageContents = pageContents.CalRGBCS();34page.setContents(newPageContents);35pdf.save("test.pdf");36var wptools = require("wptools");37var pdf = new wptools.Pdf("test.pdf");38var page = pdf.getPage(1);39var pageContents = page.getContents();40var newPageContents = pageContents.LabCS();41page.setContents(newPageContents);42pdf.save("test.pdf");

Using AI Code Generation

1var cs = wptb.DeviceGrayCS();2var cs = wptb.DeviceRGBCS();3var cs = wptb.DeviceCMYKCS();4var cs = wptb.CalGrayCS(0.3127, 0.329, 1.0, 0.0, 1.0);5var cs = wptb.CalRGBCS(0.3127, 0.329, 1.0, 0.0, 1.0, 0.64, 0.33, 0.3, 0.6, 0.15, 0.06);6var cs = wptb.LabCS(0.3127, 0.329, 1.0, 0.0, 1.0, 0.0, 100.0, -128.0, 127.0);7var cs = wptb.ICCBasedCS("test.icc");8var cs = wptb.IndexedCS(0, 255, wptb.DeviceRGBCS(), "test.icc");

Using AI Code Generation

1var gState = wpt.getGraphicsState();2gState.setColorSpace(wpt.DeviceGrayCS);3wpt.setGraphicsState(gState);4wpt.drawRect(0,0,50,50);5var gState = wpt.getGraphicsState();6gState.setColorSpace(wpt.DeviceRGBCS);7wpt.setGraphicsState(gState);8wpt.drawRect(0,0,50,50);9var gState = wpt.getGraphicsState();10gState.setColorSpace(wpt.DeviceCMYKCS);11wpt.setGraphicsState(gState);12wpt.drawRect(0,0,50,50);13var gState = wpt.getGraphicsState();14gState.setColorSpace(wpt.DeviceNCS);15wpt.setGraphicsState(gState);16wpt.drawRect(0,0,50,50);17var gState = wpt.getGraphicsState();18gState.setColorSpace(wpt.CalGrayCS);19wpt.setGraphicsState(gState);20wpt.drawRect(0,0,50,50);21var gState = wpt.getGraphicsState();22gState.setColorSpace(wpt.CalRGBCS);23wpt.setGraphicsState(gState);24wpt.drawRect(0,0,50,50);25var gState = wpt.getGraphicsState();26gState.setColorSpace(wpt.Lab

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