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How to use TranslatedFont method in wpt

Best JavaScript code snippet using wpt

evaluator.js

Source:evaluator.js

...412    },413    loadFont: function PartialEvaluator_loadFont(fontName, font, xref,414                                                 resources) {415      function errorFont() {416        return Promise.resolve(new TranslatedFont('g_font_error',417          new ErrorFont('Font ' + fontName + ' is not available'), font));418      }419      var fontRef;420      if (font) { // Loading by ref.421        assert(isRef(font));422        fontRef = font;423      } else { // Loading by name.424        var fontRes = resources.get('Font');425        if (fontRes) {426          fontRef = fontRes.getRaw(fontName);427        } else {428          warn('fontRes not available');429          return errorFont();430        }431      }432      if (!fontRef) {433        warn('fontRef not available');434        return errorFont();435      }436      if (this.fontCache.has(fontRef)) {437        return this.fontCache.get(fontRef);438      }439      font = xref.fetchIfRef(fontRef);440      if (!isDict(font)) {441        return errorFont();442      }443      // We are holding font.translated references just for fontRef that are not444      // dictionaries (Dict). See explanation below.445      if (font.translated) {446        return font.translated;447      }448      var fontCapability = createPromiseCapability();449      var preEvaluatedFont = this.preEvaluateFont(font, xref);450      var descriptor = preEvaluatedFont.descriptor;451      var fontID = fontRef.num + '_' + fontRef.gen;452      if (isDict(descriptor)) {453        if (!descriptor.fontAliases) {454          descriptor.fontAliases = Object.create(null);455        }456        var fontAliases = descriptor.fontAliases;457        var hash = preEvaluatedFont.hash;458        if (fontAliases[hash]) {459          var aliasFontRef = fontAliases[hash].aliasRef;460          if (aliasFontRef && this.fontCache.has(aliasFontRef)) {461            this.fontCache.putAlias(fontRef, aliasFontRef);462            return this.fontCache.get(fontRef);463          }464        }465        if (!fontAliases[hash]) {466          fontAliases[hash] = {467            fontID: Font.getFontID()468          };469        }470        fontAliases[hash].aliasRef = fontRef;471        fontID = fontAliases[hash].fontID;472      }473      // Workaround for bad PDF generators that don't reference fonts474      // properly, i.e. by not using an object identifier.475      // Check if the fontRef is a Dict (as opposed to a standard object),476      // in which case we don't cache the font and instead reference it by477      // fontName in font.loadedName below.478      var fontRefIsDict = isDict(fontRef);479      if (!fontRefIsDict) {480        this.fontCache.put(fontRef, fontCapability.promise);481      }482      // Keep track of each font we translated so the caller can483      // load them asynchronously before calling display on a page.484      font.loadedName = 'g_font_' + (fontRefIsDict ?485        fontName.replace(/\W/g, '') : fontID);486      font.translated = fontCapability.promise;487      // TODO move promises into translate font488      var translatedPromise;489      try {490        translatedPromise = Promise.resolve(491          this.translateFont(preEvaluatedFont, xref));492      } catch (e) {493        translatedPromise = Promise.reject(e);494      }495      translatedPromise.then(function (translatedFont) {496        if (translatedFont.fontType !== undefined) {497          var xrefFontStats = xref.stats.fontTypes;498          xrefFontStats[translatedFont.fontType] = true;499        }500        fontCapability.resolve(new TranslatedFont(font.loadedName,501          translatedFont, font));502      }, function (reason) {503        // TODO fontCapability.reject?504        UnsupportedManager.notify(UNSUPPORTED_FEATURES.font);505        try {506          // error, but it's still nice to have font type reported507          var descriptor = preEvaluatedFont.descriptor;508          var fontFile3 = descriptor && descriptor.get('FontFile3');509          var subtype = fontFile3 && fontFile3.get('Subtype');510          var fontType = getFontType(preEvaluatedFont.type,511                                     subtype && subtype.name);512          var xrefFontStats = xref.stats.fontTypes;513          xrefFontStats[fontType] = true;514        } catch (ex) { }515        fontCapability.resolve(new TranslatedFont(font.loadedName,516          new ErrorFont(reason instanceof Error ? reason.message : reason),517          font));518      });519      return fontCapability.promise;520    },521    buildPath: function PartialEvaluator_buildPath(operatorList, fn, args) {522      var lastIndex = operatorList.length - 1;523      if (!args) {524        args = [];525      }526      if (lastIndex < 0 ||527          operatorList.fnArray[lastIndex] !== OPS.constructPath) {528        operatorList.addOp(OPS.constructPath, [[fn], args]);529      } else {530        var opArgs = operatorList.argsArray[lastIndex];531        opArgs[0].push(fn);532        Array.prototype.push.apply(opArgs[1], args);533      }534    },535    handleColorN: function PartialEvaluator_handleColorN(operatorList, fn, args,536          cs, patterns, resources, xref) {537      // compile tiling patterns538      var patternName = args[args.length - 1];539      // SCN/scn applies patterns along with normal colors540      var pattern;541      if (isName(patternName) &&542          (pattern = patterns.get(patternName.name))) {543        var dict = (isStream(pattern) ? pattern.dict : pattern);544        var typeNum = dict.get('PatternType');545        if (typeNum === TILING_PATTERN) {546          var color = cs.base ? cs.base.getRgb(args, 0) : null;547          return this.handleTilingType(fn, color, resources, pattern,548                                       dict, operatorList);549        } else if (typeNum === SHADING_PATTERN) {550          var shading = dict.get('Shading');551          var matrix = dict.get('Matrix');552          pattern = Pattern.parseShading(shading, matrix, xref, resources);553          operatorList.addOp(fn, pattern.getIR());554          return Promise.resolve();555        } else {556          return Promise.reject('Unknown PatternType: ' + typeNum);557        }558      }559      // TODO shall we fail here?560      operatorList.addOp(fn, args);561      return Promise.resolve();562    },563    getOperatorList: function PartialEvaluator_getOperatorList(stream,564                                                               resources,565                                                               operatorList,566                                                               initialState) {567      var self = this;568      var xref = this.xref;569      var imageCache = {};570      assert(operatorList);571      resources = (resources || Dict.empty);572      var xobjs = (resources.get('XObject') || Dict.empty);573      var patterns = (resources.get('Pattern') || Dict.empty);574      var stateManager = new StateManager(initialState || new EvalState());575      var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);576      var timeSlotManager = new TimeSlotManager();577      return new Promise(function next(resolve, reject) {578        timeSlotManager.reset();579        var stop, operation = {}, i, ii, cs;580        while (!(stop = timeSlotManager.check())) {581          // The arguments parsed by read() are used beyond this loop, so we582          // cannot reuse the same array on each iteration. Therefore we pass583          // in |null| as the initial value (see the comment on584          // EvaluatorPreprocessor_read() for why).585          operation.args = null;586          if (!(preprocessor.read(operation))) {587            break;588          }589          var args = operation.args;590          var fn = operation.fn;591          switch (fn | 0) {592            case OPS.paintXObject:593              if (args[0].code) {594                break;595              }596              // eagerly compile XForm objects597              var name = args[0].name;598              if (imageCache[name] !== undefined) {599                operatorList.addOp(imageCache[name].fn, imageCache[name].args);600                args = null;601                continue;602              }603              var xobj = xobjs.get(name);604              if (xobj) {605                assert(isStream(xobj), 'XObject should be a stream');606                var type = xobj.dict.get('Subtype');607                assert(isName(type),608                  'XObject should have a Name subtype');609                if (type.name === 'Form') {610                  stateManager.save();611                  return self.buildFormXObject(resources, xobj, null,612                                               operatorList,613                                               stateManager.state.clone()).614                    then(function () {615                      stateManager.restore();616                      next(resolve, reject);617                    }, reject);618                } else if (type.name === 'Image') {619                  self.buildPaintImageXObject(resources, xobj, false,620                    operatorList, name, imageCache);621                  args = null;622                  continue;623                } else if (type.name === 'PS') {624                  // PostScript XObjects are unused when viewing documents.625                  // See section 4.7.1 of Adobe's PDF reference.626                  info('Ignored XObject subtype PS');627                  continue;628                } else {629                  error('Unhandled XObject subtype ' + type.name);630                }631              }632              break;633            case OPS.setFont:634              var fontSize = args[1];635              // eagerly collect all fonts636              return self.handleSetFont(resources, args, null,637                                        operatorList, stateManager.state).638                then(function (loadedName) {639                  operatorList.addDependency(loadedName);640                  operatorList.addOp(OPS.setFont, [loadedName, fontSize]);641                  next(resolve, reject);642                }, reject);643            case OPS.endInlineImage:644              var cacheKey = args[0].cacheKey;645              if (cacheKey) {646                var cacheEntry = imageCache[cacheKey];647                if (cacheEntry !== undefined) {648                  operatorList.addOp(cacheEntry.fn, cacheEntry.args);649                  args = null;650                  continue;651                }652              }653              self.buildPaintImageXObject(resources, args[0], true,654                operatorList, cacheKey, imageCache);655              args = null;656              continue;657            case OPS.showText:658              args[0] = self.handleText(args[0], stateManager.state);659              break;660            case OPS.showSpacedText:661              var arr = args[0];662              var combinedGlyphs = [];663              var arrLength = arr.length;664              for (i = 0; i < arrLength; ++i) {665                var arrItem = arr[i];666                if (isString(arrItem)) {667                  Array.prototype.push.apply(combinedGlyphs,668                    self.handleText(arrItem, stateManager.state));669                } else if (isNum(arrItem)) {670                  combinedGlyphs.push(arrItem);671                }672              }673              args[0] = combinedGlyphs;674              fn = OPS.showText;675              break;676            case OPS.nextLineShowText:677              operatorList.addOp(OPS.nextLine);678              args[0] = self.handleText(args[0], stateManager.state);679              fn = OPS.showText;680              break;681            case OPS.nextLineSetSpacingShowText:682              operatorList.addOp(OPS.nextLine);683              operatorList.addOp(OPS.setWordSpacing, [args.shift()]);684              operatorList.addOp(OPS.setCharSpacing, [args.shift()]);685              args[0] = self.handleText(args[0], stateManager.state);686              fn = OPS.showText;687              break;688            case OPS.setTextRenderingMode:689              stateManager.state.textRenderingMode = args[0];690              break;691            case OPS.setFillColorSpace:692              stateManager.state.fillColorSpace =693                ColorSpace.parse(args[0], xref, resources);694              continue;695            case OPS.setStrokeColorSpace:696              stateManager.state.strokeColorSpace =697                ColorSpace.parse(args[0], xref, resources);698              continue;699            case OPS.setFillColor:700              cs = stateManager.state.fillColorSpace;701              args = cs.getRgb(args, 0);702              fn = OPS.setFillRGBColor;703              break;704            case OPS.setStrokeColor:705              cs = stateManager.state.strokeColorSpace;706              args = cs.getRgb(args, 0);707              fn = OPS.setStrokeRGBColor;708              break;709            case OPS.setFillGray:710              stateManager.state.fillColorSpace = ColorSpace.singletons.gray;711              args = ColorSpace.singletons.gray.getRgb(args, 0);712              fn = OPS.setFillRGBColor;713              break;714            case OPS.setStrokeGray:715              stateManager.state.strokeColorSpace = ColorSpace.singletons.gray;716              args = ColorSpace.singletons.gray.getRgb(args, 0);717              fn = OPS.setStrokeRGBColor;718              break;719            case OPS.setFillCMYKColor:720              stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk;721              args = ColorSpace.singletons.cmyk.getRgb(args, 0);722              fn = OPS.setFillRGBColor;723              break;724            case OPS.setStrokeCMYKColor:725              stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk;726              args = ColorSpace.singletons.cmyk.getRgb(args, 0);727              fn = OPS.setStrokeRGBColor;728              break;729            case OPS.setFillRGBColor:730              stateManager.state.fillColorSpace = ColorSpace.singletons.rgb;731              args = ColorSpace.singletons.rgb.getRgb(args, 0);732              break;733            case OPS.setStrokeRGBColor:734              stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb;735              args = ColorSpace.singletons.rgb.getRgb(args, 0);736              break;737            case OPS.setFillColorN:738              cs = stateManager.state.fillColorSpace;739              if (cs.name === 'Pattern') {740                return self.handleColorN(operatorList, OPS.setFillColorN,741                  args, cs, patterns, resources, xref).then(function() {742                    next(resolve, reject);743                  }, reject);744              }745              args = cs.getRgb(args, 0);746              fn = OPS.setFillRGBColor;747              break;748            case OPS.setStrokeColorN:749              cs = stateManager.state.strokeColorSpace;750              if (cs.name === 'Pattern') {751                return self.handleColorN(operatorList, OPS.setStrokeColorN,752                  args, cs, patterns, resources, xref).then(function() {753                    next(resolve, reject);754                  }, reject);755              }756              args = cs.getRgb(args, 0);757              fn = OPS.setStrokeRGBColor;758              break;759            case OPS.shadingFill:760              var shadingRes = resources.get('Shading');761              if (!shadingRes) {762                error('No shading resource found');763              }764              var shading = shadingRes.get(args[0].name);765              if (!shading) {766                error('No shading object found');767              }768              var shadingFill = Pattern.parseShading(shading, null, xref,769                resources);770              var patternIR = shadingFill.getIR();771              args = [patternIR];772              fn = OPS.shadingFill;773              break;774            case OPS.setGState:775              var dictName = args[0];776              var extGState = resources.get('ExtGState');777              if (!isDict(extGState) || !extGState.has(dictName.name)) {778                break;779              }780              var gState = extGState.get(dictName.name);781              return self.setGState(resources, gState, operatorList, xref,782                stateManager).then(function() {783                  next(resolve, reject);784                }, reject);785            case OPS.moveTo:786            case OPS.lineTo:787            case OPS.curveTo:788            case OPS.curveTo2:789            case OPS.curveTo3:790            case OPS.closePath:791              self.buildPath(operatorList, fn, args);792              continue;793            case OPS.rectangle:794              self.buildPath(operatorList, fn, args);795              continue;796          }797          operatorList.addOp(fn, args);798        }799        if (stop) {800          deferred.then(function () {801            next(resolve, reject);802          });803          return;804        }805        // Some PDFs don't close all restores inside object/form.806        // Closing those for them.807        for (i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) {808          operatorList.addOp(OPS.restore, []);809        }810        resolve();811      });812    },813    getTextContent: function PartialEvaluator_getTextContent(stream, resources,814                                                             stateManager) {815      stateManager = (stateManager || new StateManager(new TextState()));816      var textContent = {817        items: [],818        styles: Object.create(null)819      };820      var bidiTexts = textContent.items;821      var SPACE_FACTOR = 0.3;822      var MULTI_SPACE_FACTOR = 1.5;823      var self = this;824      var xref = this.xref;825      resources = (xref.fetchIfRef(resources) || Dict.empty);826      // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd.827      var xobjs = null;828      var xobjsCache = {};829      var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager);830      var textState;831      function newTextChunk() {832        var font = textState.font;833        if (!(font.loadedName in textContent.styles)) {834          textContent.styles[font.loadedName] = {835            fontFamily: font.fallbackName,836            ascent: font.ascent,837            descent: font.descent,838            vertical: font.vertical839          };840        }841        return {842          // |str| is initially an array which we push individual chars to, and843          // then runBidi() overwrites it with the final string.844          str: [],845          dir: null,846          width: 0,847          height: 0,848          transform: null,849          fontName: font.loadedName850        };851      }852      function runBidi(textChunk) {853        var str = textChunk.str.join('');854        var bidiResult = PDFJS.bidi(str, -1, textState.font.vertical);855        textChunk.str = bidiResult.str;856        textChunk.dir = bidiResult.dir;857        return textChunk;858      }859      function handleSetFont(fontName, fontRef) {860        return self.loadFont(fontName, fontRef, xref, resources).861          then(function (translated) {862            textState.font = translated.font;863            textState.fontMatrix = translated.font.fontMatrix ||864              FONT_IDENTITY_MATRIX;865          });866      }867      function buildTextGeometry(chars, textChunk) {868        var font = textState.font;869        textChunk = textChunk || newTextChunk();870        if (!textChunk.transform) {871          // 9.4.4 Text Space Details872          var tsm = [textState.fontSize * textState.textHScale, 0,873                     0, textState.fontSize,874                     0, textState.textRise];875          var trm = textChunk.transform = Util.transform(textState.ctm,876                                    Util.transform(textState.textMatrix, tsm));877          if (!font.vertical) {878            textChunk.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]);879          } else {880            textChunk.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]);881          }882        }883        var width = 0;884        var height = 0;885        var glyphs = font.charsToGlyphs(chars);886        var defaultVMetrics = font.defaultVMetrics;887        for (var i = 0; i < glyphs.length; i++) {888          var glyph = glyphs[i];889          if (!glyph) { // Previous glyph was a space.890            width += textState.wordSpacing * textState.textHScale;891            continue;892          }893          var vMetricX = null;894          var vMetricY = null;895          var glyphWidth = null;896          if (font.vertical) {897            if (glyph.vmetric) {898              glyphWidth = glyph.vmetric[0];899              vMetricX = glyph.vmetric[1];900              vMetricY = glyph.vmetric[2];901            } else {902              glyphWidth = glyph.width;903              vMetricX = glyph.width * 0.5;904              vMetricY = defaultVMetrics[2];905            }906          } else {907            glyphWidth = glyph.width;908          }909          var glyphUnicode = glyph.unicode;910          if (NormalizedUnicodes[glyphUnicode] !== undefined) {911            glyphUnicode = NormalizedUnicodes[glyphUnicode];912          }913          glyphUnicode = reverseIfRtl(glyphUnicode);914          // The following will calculate the x and y of the individual glyphs.915          // if (font.vertical) {916          //   tsm[4] -= vMetricX * Math.abs(textState.fontSize) *917          //             textState.fontMatrix[0];918          //   tsm[5] -= vMetricY * textState.fontSize *919          //             textState.fontMatrix[0];920          // }921          // var trm = Util.transform(textState.textMatrix, tsm);922          // var pt = Util.applyTransform([trm[4], trm[5]], textState.ctm);923          // var x = pt[0];924          // var y = pt[1];925          var tx = 0;926          var ty = 0;927          if (!font.vertical) {928            var w0 = glyphWidth * textState.fontMatrix[0];929            tx = (w0 * textState.fontSize + textState.charSpacing) *930                 textState.textHScale;931            width += tx;932          } else {933            var w1 = glyphWidth * textState.fontMatrix[0];934            ty = w1 * textState.fontSize + textState.charSpacing;935            height += ty;936          }937          textState.translateTextMatrix(tx, ty);938          textChunk.str.push(glyphUnicode);939        }940        var a = textState.textLineMatrix[0];941        var b = textState.textLineMatrix[1];942        var scaleLineX = Math.sqrt(a * a + b * b);943        a = textState.ctm[0];944        b = textState.ctm[1];945        var scaleCtmX = Math.sqrt(a * a + b * b);946        if (!font.vertical) {947          textChunk.width += width * scaleCtmX * scaleLineX;948        } else {949          textChunk.height += Math.abs(height * scaleCtmX * scaleLineX);950        }951        return textChunk;952      }953      var timeSlotManager = new TimeSlotManager();954      return new Promise(function next(resolve, reject) {955        timeSlotManager.reset();956        var stop, operation = {}, args = [];957        while (!(stop = timeSlotManager.check())) {958          // The arguments parsed by read() are not used beyond this loop, so959          // we can reuse the same array on every iteration, thus avoiding960          // unnecessary allocations.961          args.length = 0;962          operation.args = args;963          if (!(preprocessor.read(operation))) {964            break;965          }966          textState = stateManager.state;967          var fn = operation.fn;968          args = operation.args;969          switch (fn | 0) {970            case OPS.setFont:971              textState.fontSize = args[1];972              return handleSetFont(args[0].name).then(function() {973                next(resolve, reject);974              }, reject);975            case OPS.setTextRise:976              textState.textRise = args[0];977              break;978            case OPS.setHScale:979              textState.textHScale = args[0] / 100;980              break;981            case OPS.setLeading:982              textState.leading = args[0];983              break;984            case OPS.moveText:985              textState.translateTextLineMatrix(args[0], args[1]);986              textState.textMatrix = textState.textLineMatrix.slice();987              break;988            case OPS.setLeadingMoveText:989              textState.leading = -args[1];990              textState.translateTextLineMatrix(args[0], args[1]);991              textState.textMatrix = textState.textLineMatrix.slice();992              break;993            case OPS.nextLine:994              textState.carriageReturn();995              break;996            case OPS.setTextMatrix:997              textState.setTextMatrix(args[0], args[1], args[2], args[3],998                args[4], args[5]);999              textState.setTextLineMatrix(args[0], args[1], args[2], args[3],1000                args[4], args[5]);1001              break;1002            case OPS.setCharSpacing:1003              textState.charSpacing = args[0];1004              break;1005            case OPS.setWordSpacing:1006              textState.wordSpacing = args[0];1007              break;1008            case OPS.beginText:1009              textState.textMatrix = IDENTITY_MATRIX.slice();1010              textState.textLineMatrix = IDENTITY_MATRIX.slice();1011              break;1012            case OPS.showSpacedText:1013              var items = args[0];1014              var textChunk = newTextChunk();1015              var offset;1016              for (var j = 0, jj = items.length; j < jj; j++) {1017                if (typeof items[j] === 'string') {1018                  buildTextGeometry(items[j], textChunk);1019                } else {1020                  var val = items[j] / 1000;1021                  if (!textState.font.vertical) {1022                    offset = -val * textState.fontSize * textState.textHScale *1023                      textState.textMatrix[0];1024                    textState.translateTextMatrix(offset, 0);1025                    textChunk.width += offset;1026                  } else {1027                    offset = -val * textState.fontSize *1028                      textState.textMatrix[3];1029                    textState.translateTextMatrix(0, offset);1030                    textChunk.height += offset;1031                  }1032                  if (items[j] < 0 && textState.font.spaceWidth > 0) {1033                    var fakeSpaces = -items[j] / textState.font.spaceWidth;1034                    if (fakeSpaces > MULTI_SPACE_FACTOR) {1035                      fakeSpaces = Math.round(fakeSpaces);1036                      while (fakeSpaces--) {1037                        textChunk.str.push(' ');1038                      }1039                    } else if (fakeSpaces > SPACE_FACTOR) {1040                      textChunk.str.push(' ');1041                    }1042                  }1043                }1044              }1045              bidiTexts.push(runBidi(textChunk));1046              break;1047            case OPS.showText:1048              bidiTexts.push(runBidi(buildTextGeometry(args[0])));1049              break;1050            case OPS.nextLineShowText:1051              textState.carriageReturn();1052              bidiTexts.push(runBidi(buildTextGeometry(args[0])));1053              break;1054            case OPS.nextLineSetSpacingShowText:1055              textState.wordSpacing = args[0];1056              textState.charSpacing = args[1];1057              textState.carriageReturn();1058              bidiTexts.push(runBidi(buildTextGeometry(args[2])));1059              break;1060            case OPS.paintXObject:1061              if (args[0].code) {1062                break;1063              }1064              if (!xobjs) {1065                xobjs = (resources.get('XObject') || Dict.empty);1066              }1067              var name = args[0].name;1068              if (xobjsCache.key === name) {1069                if (xobjsCache.texts) {1070                  Util.appendToArray(bidiTexts, xobjsCache.texts.items);1071                  Util.extendObj(textContent.styles, xobjsCache.texts.styles);1072                }1073                break;1074              }1075              var xobj = xobjs.get(name);1076              if (!xobj) {1077                break;1078              }1079              assert(isStream(xobj), 'XObject should be a stream');1080              var type = xobj.dict.get('Subtype');1081              assert(isName(type),1082                'XObject should have a Name subtype');1083              if ('Form' !== type.name) {1084                xobjsCache.key = name;1085                xobjsCache.texts = null;1086                break;1087              }1088              stateManager.save();1089              var matrix = xobj.dict.get('Matrix');1090              if (isArray(matrix) && matrix.length === 6) {1091                stateManager.transform(matrix);1092              }1093              return self.getTextContent(xobj,1094                xobj.dict.get('Resources') || resources, stateManager).1095                then(function (formTextContent) {1096                  Util.appendToArray(bidiTexts, formTextContent.items);1097                  Util.extendObj(textContent.styles, formTextContent.styles);1098                  stateManager.restore();1099                  xobjsCache.key = name;1100                  xobjsCache.texts = formTextContent;1101                  next(resolve, reject);1102                }, reject);1103            case OPS.setGState:1104              var dictName = args[0];1105              var extGState = resources.get('ExtGState');1106              if (!isDict(extGState) || !extGState.has(dictName.name)) {1107                break;1108              }1109              var gsStateMap = extGState.get(dictName.name);1110              var gsStateFont = null;1111              for (var key in gsStateMap) {1112                if (key === 'Font') {1113                  assert(!gsStateFont);1114                  gsStateFont = gsStateMap[key];1115                }1116              }1117              if (gsStateFont) {1118                textState.fontSize = gsStateFont[1];1119                return handleSetFont(gsStateFont[0]).then(function() {1120                  next(resolve, reject);1121                }, reject);1122              }1123              break;1124          } // switch1125        } // while1126        if (stop) {1127          deferred.then(function () {1128            next(resolve, reject);1129          });1130          return;1131        }1132        resolve(textContent);1133      });1134    },1135    extractDataStructures: function1136      partialEvaluatorExtractDataStructures(dict, baseDict,1137                                            xref, properties) {1138      // 9.10.21139      var toUnicode = (dict.get('ToUnicode') || baseDict.get('ToUnicode'));1140      if (toUnicode) {1141        properties.toUnicode = this.readToUnicode(toUnicode);1142      }1143      if (properties.composite) {1144        // CIDSystemInfo helps to match CID to glyphs1145        var cidSystemInfo = dict.get('CIDSystemInfo');1146        if (isDict(cidSystemInfo)) {1147          properties.cidSystemInfo = {1148            registry: cidSystemInfo.get('Registry'),1149            ordering: cidSystemInfo.get('Ordering'),1150            supplement: cidSystemInfo.get('Supplement')1151          };1152        }1153        var cidToGidMap = dict.get('CIDToGIDMap');1154        if (isStream(cidToGidMap)) {1155          properties.cidToGidMap = this.readCidToGidMap(cidToGidMap);1156        }1157      }1158      // Based on 9.6.6 of the spec the encoding can come from multiple places1159      // and depends on the font type. The base encoding and differences are1160      // read here, but the encoding that is actually used is chosen during1161      // glyph mapping in the font.1162      // TODO: Loading the built in encoding in the font would allow the1163      // differences to be merged in here not require us to hold on to it.1164      var differences = [];1165      var baseEncodingName = null;1166      var encoding;1167      if (dict.has('Encoding')) {1168        encoding = dict.get('Encoding');1169        if (isDict(encoding)) {1170          baseEncodingName = encoding.get('BaseEncoding');1171          baseEncodingName = (isName(baseEncodingName) ?1172                              baseEncodingName.name : null);1173          // Load the differences between the base and original1174          if (encoding.has('Differences')) {1175            var diffEncoding = encoding.get('Differences');1176            var index = 0;1177            for (var j = 0, jj = diffEncoding.length; j < jj; j++) {1178              var data = diffEncoding[j];1179              if (isNum(data)) {1180                index = data;1181              } else {1182                differences[index++] = data.name;1183              }1184            }1185          }1186        } else if (isName(encoding)) {1187          baseEncodingName = encoding.name;1188        } else {1189          error('Encoding is not a Name nor a Dict');1190        }1191        // According to table 114 if the encoding is a named encoding it must be1192        // one of these predefined encodings.1193        if ((baseEncodingName !== 'MacRomanEncoding' &&1194             baseEncodingName !== 'MacExpertEncoding' &&1195             baseEncodingName !== 'WinAnsiEncoding')) {1196          baseEncodingName = null;1197        }1198      }1199      if (baseEncodingName) {1200        properties.defaultEncoding = Encodings[baseEncodingName].slice();1201      } else {1202        encoding = (properties.type === 'TrueType' ?1203                    Encodings.WinAnsiEncoding : Encodings.StandardEncoding);1204        // The Symbolic attribute can be misused for regular fonts1205        // Heuristic: we have to check if the font is a standard one also1206        if (!!(properties.flags & FontFlags.Symbolic)) {1207          encoding = Encodings.MacRomanEncoding;1208          if (!properties.file) {1209            if (/Symbol/i.test(properties.name)) {1210              encoding = Encodings.SymbolSetEncoding;1211            } else if (/Dingbats/i.test(properties.name)) {1212              encoding = Encodings.ZapfDingbatsEncoding;1213            }1214          }1215        }1216        properties.defaultEncoding = encoding;1217      }1218      properties.differences = differences;1219      properties.baseEncodingName = baseEncodingName;1220      properties.dict = dict;1221    },1222    readToUnicode: function PartialEvaluator_readToUnicode(toUnicode) {1223      var cmap, cmapObj = toUnicode;1224      if (isName(cmapObj)) {1225        cmap = CMapFactory.create(cmapObj,1226          { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null);1227        if (cmap instanceof IdentityCMap) {1228          return new IdentityToUnicodeMap(0, 0xFFFF);1229        }1230        return new ToUnicodeMap(cmap.getMap());1231      } else if (isStream(cmapObj)) {1232        cmap = CMapFactory.create(cmapObj,1233          { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null);1234        if (cmap instanceof IdentityCMap) {1235          return new IdentityToUnicodeMap(0, 0xFFFF);1236        }1237        cmap = cmap.getMap();1238        // Convert UTF-16BE1239        // NOTE: cmap can be a sparse array, so use forEach instead of for(;;)1240        // to iterate over all keys.1241        cmap.forEach(function(token, i) {1242          var str = [];1243          for (var k = 0; k < token.length; k += 2) {1244            var w1 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1);1245            if ((w1 & 0xF800) !== 0xD800) { // w1 < 0xD800 || w1 > 0xDFFF1246              str.push(w1);1247              continue;1248            }1249            k += 2;1250            var w2 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1);1251            str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000);1252          }1253          cmap[i] = String.fromCharCode.apply(String, str);1254        });1255        return new ToUnicodeMap(cmap);1256      }1257      return null;1258    },1259    readCidToGidMap: function PartialEvaluator_readCidToGidMap(cidToGidStream) {1260      // Extract the encoding from the CIDToGIDMap1261      var glyphsData = cidToGidStream.getBytes();1262      // Set encoding 0 to later verify the font has an encoding1263      var result = [];1264      for (var j = 0, jj = glyphsData.length; j < jj; j++) {1265        var glyphID = (glyphsData[j++] << 8) | glyphsData[j];1266        if (glyphID === 0) {1267          continue;1268        }1269        var code = j >> 1;1270        result[code] = glyphID;1271      }1272      return result;1273    },1274    extractWidths: function PartialEvaluator_extractWidths(dict, xref,1275                                                           descriptor,1276                                                           properties) {1277      var glyphsWidths = [];1278      var defaultWidth = 0;1279      var glyphsVMetrics = [];1280      var defaultVMetrics;1281      var i, ii, j, jj, start, code, widths;1282      if (properties.composite) {1283        defaultWidth = dict.get('DW') || 1000;1284        widths = dict.get('W');1285        if (widths) {1286          for (i = 0, ii = widths.length; i < ii; i++) {1287            start = widths[i++];1288            code = xref.fetchIfRef(widths[i]);1289            if (isArray(code)) {1290              for (j = 0, jj = code.length; j < jj; j++) {1291                glyphsWidths[start++] = code[j];1292              }1293            } else {1294              var width = widths[++i];1295              for (j = start; j <= code; j++) {1296                glyphsWidths[j] = width;1297              }1298            }1299          }1300        }1301        if (properties.vertical) {1302          var vmetrics = (dict.get('DW2') || [880, -1000]);1303          defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];1304          vmetrics = dict.get('W2');1305          if (vmetrics) {1306            for (i = 0, ii = vmetrics.length; i < ii; i++) {1307              start = vmetrics[i++];1308              code = xref.fetchIfRef(vmetrics[i]);1309              if (isArray(code)) {1310                for (j = 0, jj = code.length; j < jj; j++) {1311                  glyphsVMetrics[start++] = [code[j++], code[j++], code[j]];1312                }1313              } else {1314                var vmetric = [vmetrics[++i], vmetrics[++i], vmetrics[++i]];1315                for (j = start; j <= code; j++) {1316                  glyphsVMetrics[j] = vmetric;1317                }1318              }1319            }1320          }1321        }1322      } else {1323        var firstChar = properties.firstChar;1324        widths = dict.get('Widths');1325        if (widths) {1326          j = firstChar;1327          for (i = 0, ii = widths.length; i < ii; i++) {1328            glyphsWidths[j++] = widths[i];1329          }1330          defaultWidth = (parseFloat(descriptor.get('MissingWidth')) || 0);1331        } else {1332          // Trying get the BaseFont metrics (see comment above).1333          var baseFontName = dict.get('BaseFont');1334          if (isName(baseFontName)) {1335            var metrics = this.getBaseFontMetrics(baseFontName.name);1336            glyphsWidths = this.buildCharCodeToWidth(metrics.widths,1337                                                     properties);1338            defaultWidth = metrics.defaultWidth;1339          }1340        }1341      }1342      // Heuristic: detection of monospace font by checking all non-zero widths1343      var isMonospace = true;1344      var firstWidth = defaultWidth;1345      for (var glyph in glyphsWidths) {1346        var glyphWidth = glyphsWidths[glyph];1347        if (!glyphWidth) {1348          continue;1349        }1350        if (!firstWidth) {1351          firstWidth = glyphWidth;1352          continue;1353        }1354        if (firstWidth !== glyphWidth) {1355          isMonospace = false;1356          break;1357        }1358      }1359      if (isMonospace) {1360        properties.flags |= FontFlags.FixedPitch;1361      }1362      properties.defaultWidth = defaultWidth;1363      properties.widths = glyphsWidths;1364      properties.defaultVMetrics = defaultVMetrics;1365      properties.vmetrics = glyphsVMetrics;1366    },1367    isSerifFont: function PartialEvaluator_isSerifFont(baseFontName) {1368      // Simulating descriptor flags attribute1369      var fontNameWoStyle = baseFontName.split('-')[0];1370      return (fontNameWoStyle in serifFonts) ||1371              (fontNameWoStyle.search(/serif/gi) !== -1);1372    },1373    getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) {1374      var defaultWidth = 0;1375      var widths = [];1376      var monospace = false;1377      var lookupName = (stdFontMap[name] || name);1378      if (!(lookupName in Metrics)) {1379        // Use default fonts for looking up font metrics if the passed1380        // font is not a base font1381        if (this.isSerifFont(name)) {1382          lookupName = 'Times-Roman';1383        } else {1384          lookupName = 'Helvetica';1385        }1386      }1387      var glyphWidths = Metrics[lookupName];1388      if (isNum(glyphWidths)) {1389        defaultWidth = glyphWidths;1390        monospace = true;1391      } else {1392        widths = glyphWidths;1393      }1394      return {1395        defaultWidth: defaultWidth,1396        monospace: monospace,1397        widths: widths1398      };1399    },1400    buildCharCodeToWidth:1401        function PartialEvaluator_bulildCharCodeToWidth(widthsByGlyphName,1402                                                        properties) {1403      var widths = Object.create(null);1404      var differences = properties.differences;1405      var encoding = properties.defaultEncoding;1406      for (var charCode = 0; charCode < 256; charCode++) {1407        if (charCode in differences &&1408            widthsByGlyphName[differences[charCode]]) {1409          widths[charCode] = widthsByGlyphName[differences[charCode]];1410          continue;1411        }1412        if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) {1413          widths[charCode] = widthsByGlyphName[encoding[charCode]];1414          continue;1415        }1416      }1417      return widths;1418    },1419    preEvaluateFont: function PartialEvaluator_preEvaluateFont(dict, xref) {1420      var baseDict = dict;1421      var type = dict.get('Subtype');1422      assert(isName(type), 'invalid font Subtype');1423      var composite = false;1424      var uint8array;1425      if (type.name === 'Type0') {1426        // If font is a composite1427        //  - get the descendant font1428        //  - set the type according to the descendant font1429        //  - get the FontDescriptor from the descendant font1430        var df = dict.get('DescendantFonts');1431        if (!df) {1432          error('Descendant fonts are not specified');1433        }1434        dict = (isArray(df) ? xref.fetchIfRef(df[0]) : df);1435        type = dict.get('Subtype');1436        assert(isName(type), 'invalid font Subtype');1437        composite = true;1438      }1439      var descriptor = dict.get('FontDescriptor');1440      if (descriptor) {1441        var hash = new MurmurHash3_64();1442        var encoding = baseDict.getRaw('Encoding');1443        if (isName(encoding)) {1444          hash.update(encoding.name);1445        } else if (isRef(encoding)) {1446          hash.update(encoding.num + '_' + encoding.gen);1447        } else if (isDict(encoding)) {1448          var keys = encoding.getKeys();1449          for (var i = 0, ii = keys.length; i < ii; i++) {1450            var entry = encoding.getRaw(keys[i]);1451            if (isName(entry)) {1452              hash.update(entry.name);1453            } else if (isRef(entry)) {1454              hash.update(entry.num + '_' + entry.gen);1455            } else if (isArray(entry)) { // 'Differences' entry.1456              // Ideally we should check the contents of the array, but to avoid1457              // parsing it here and then again in |extractDataStructures|,1458              // we only use the array length for now (fixes bug1157493.pdf).1459              hash.update(entry.length.toString());1460            }1461          }1462        }1463        var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode');1464        if (isStream(toUnicode)) {1465          var stream = toUnicode.str || toUnicode;1466          uint8array = stream.buffer ?1467            new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) :1468            new Uint8Array(stream.bytes.buffer,1469                           stream.start, stream.end - stream.start);1470          hash.update(uint8array);1471        } else if (isName(toUnicode)) {1472          hash.update(toUnicode.name);1473        }1474        var widths = dict.get('Widths') || baseDict.get('Widths');1475        if (widths) {1476          uint8array = new Uint8Array(new Uint32Array(widths).buffer);1477          hash.update(uint8array);1478        }1479      }1480      return {1481        descriptor: descriptor,1482        dict: dict,1483        baseDict: baseDict,1484        composite: composite,1485        type: type.name,1486        hash: hash ? hash.hexdigest() : ''1487      };1488    },1489    translateFont: function PartialEvaluator_translateFont(preEvaluatedFont,1490                                                           xref) {1491      var baseDict = preEvaluatedFont.baseDict;1492      var dict = preEvaluatedFont.dict;1493      var composite = preEvaluatedFont.composite;1494      var descriptor = preEvaluatedFont.descriptor;1495      var type = preEvaluatedFont.type;1496      var maxCharIndex = (composite ? 0xFFFF : 0xFF);1497      var properties;1498      if (!descriptor) {1499        if (type === 'Type3') {1500          // FontDescriptor is only required for Type3 fonts when the document1501          // is a tagged pdf. Create a barbebones one to get by.1502          descriptor = new Dict(null);1503          descriptor.set('FontName', Name.get(type));1504        } else {1505          // Before PDF 1.5 if the font was one of the base 14 fonts, having a1506          // FontDescriptor was not required.1507          // This case is here for compatibility.1508          var baseFontName = dict.get('BaseFont');1509          if (!isName(baseFontName)) {1510            error('Base font is not specified');1511          }1512          // Using base font name as a font name.1513          baseFontName = baseFontName.name.replace(/[,_]/g, '-');1514          var metrics = this.getBaseFontMetrics(baseFontName);1515          // Simulating descriptor flags attribute1516          var fontNameWoStyle = baseFontName.split('-')[0];1517          var flags =1518            (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) |1519            (metrics.monospace ? FontFlags.FixedPitch : 0) |1520            (symbolsFonts[fontNameWoStyle] ? FontFlags.Symbolic :1521                                             FontFlags.Nonsymbolic);1522          properties = {1523            type: type,1524            name: baseFontName,1525            widths: metrics.widths,1526            defaultWidth: metrics.defaultWidth,1527            flags: flags,1528            firstChar: 0,1529            lastChar: maxCharIndex1530          };1531          this.extractDataStructures(dict, dict, xref, properties);1532          properties.widths = this.buildCharCodeToWidth(metrics.widths,1533                                                        properties);1534          return new Font(baseFontName, null, properties);1535        }1536      }1537      // According to the spec if 'FontDescriptor' is declared, 'FirstChar',1538      // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem1539      // to ignore this rule when a variant of a standart font is used.1540      // TODO Fill the width array depending on which of the base font this is1541      // a variant.1542      var firstChar = (dict.get('FirstChar') || 0);1543      var lastChar = (dict.get('LastChar') || maxCharIndex);1544      var fontName = descriptor.get('FontName');1545      var baseFont = dict.get('BaseFont');1546      // Some bad PDFs have a string as the font name.1547      if (isString(fontName)) {1548        fontName = Name.get(fontName);1549      }1550      if (isString(baseFont)) {1551        baseFont = Name.get(baseFont);1552      }1553      if (type !== 'Type3') {1554        var fontNameStr = fontName && fontName.name;1555        var baseFontStr = baseFont && baseFont.name;1556        if (fontNameStr !== baseFontStr) {1557          info('The FontDescriptor\'s FontName is "' + fontNameStr +1558               '" but should be the same as the Font\'s BaseFont "' +1559               baseFontStr + '"');1560          // Workaround for cases where e.g. fontNameStr = 'Arial' and1561          // baseFontStr = 'Arial,Bold' (needed when no font file is embedded).1562          if (fontNameStr && baseFontStr &&1563              baseFontStr.indexOf(fontNameStr) === 0) {1564            fontName = baseFont;1565          }1566        }1567      }1568      fontName = (fontName || baseFont);1569      assert(isName(fontName), 'invalid font name');1570      var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3');1571      if (fontFile) {1572        if (fontFile.dict) {1573          var subtype = fontFile.dict.get('Subtype');1574          if (subtype) {1575            subtype = subtype.name;1576          }1577          var length1 = fontFile.dict.get('Length1');1578          var length2 = fontFile.dict.get('Length2');1579        }1580      }1581      properties = {1582        type: type,1583        name: fontName.name,1584        subtype: subtype,1585        file: fontFile,1586        length1: length1,1587        length2: length2,1588        loadedName: baseDict.loadedName,1589        composite: composite,1590        wideChars: composite,1591        fixedPitch: false,1592        fontMatrix: (dict.get('FontMatrix') || FONT_IDENTITY_MATRIX),1593        firstChar: firstChar || 0,1594        lastChar: (lastChar || maxCharIndex),1595        bbox: descriptor.get('FontBBox'),1596        ascent: descriptor.get('Ascent'),1597        descent: descriptor.get('Descent'),1598        xHeight: descriptor.get('XHeight'),1599        capHeight: descriptor.get('CapHeight'),1600        flags: descriptor.get('Flags'),1601        italicAngle: descriptor.get('ItalicAngle'),1602        coded: false1603      };1604      if (composite) {1605        var cidEncoding = baseDict.get('Encoding');1606        if (isName(cidEncoding)) {1607          properties.cidEncoding = cidEncoding.name;1608        }1609        properties.cMap = CMapFactory.create(cidEncoding,1610          { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null);1611        properties.vertical = properties.cMap.vertical;1612      }1613      this.extractDataStructures(dict, baseDict, xref, properties);1614      this.extractWidths(dict, xref, descriptor, properties);1615      if (type === 'Type3') {1616        properties.isType3Font = true;1617      }1618      return new Font(fontName.name, fontFile, properties);1619    }1620  };1621  return PartialEvaluator;1622})();1623var TranslatedFont = (function TranslatedFontClosure() {1624  function TranslatedFont(loadedName, font, dict) {1625    this.loadedName = loadedName;1626    this.font = font;1627    this.dict = dict;1628    this.type3Loaded = null;1629    this.sent = false;1630  }1631  TranslatedFont.prototype = {1632    send: function (handler) {1633      if (this.sent) {1634        return;1635      }1636      var fontData = this.font.exportData();1637      handler.send('commonobj', [1638        this.loadedName,...

Using AI Code Generation

1var wptext2pdf = require("wptext2pdf");2var pdf = new wptext2pdf();3pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");4var wptext2pdf = require("wptext2pdf");5var pdf = new wptext2pdf();6pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");7var wptext2pdf = require("wptext2pdf");8var pdf = new wptext2pdf();9pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");10var wptext2pdf = require("wptext2pdf");11var pdf = new wptext2pdf();12pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");13var wptext2pdf = require("wptext2pdf");14var pdf = new wptext2pdf();15pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");16var wptext2pdf = require("wptext2pdf");17var pdf = new wptext2pdf();18pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");19var wptext2pdf = require("wptext2pdf");20var pdf = new wptext2pdf();21pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");22var wptext2pdf = require("wptext2pdf");23var pdf = new wptext2pdf();24pdf.TranslatedFont("fonts/arial.ttf", "fonts/arial-unicode.ttf");

Using AI Code Generation

1var wptools = require('wptools');2var page = wptools.page('Barack Obama');3page.setLang('fr').then(function(page){4    console.log(page.translatedFont());5});6{ 'font-family': 'Times New Roman,Times,serif',7  'line-height': '1.4em' }8var wptools = require('wptools');9var page = wptools.page('Barack Obama');10page.setLang('fr').then(function(page){11    console.log(page.translatedFont());12});13{ 'font-family': 'Times New Roman,Times,serif',14  'line-height': '1.4em' }15var wptools = require('wptools');16var page = wptools.page('Barack Obama');17page.setLang('fr').then(function(page){18    console.log(page.translatedFont());19});20{ 'font-family': 'Times New Roman,Times,serif',21  'line-height': '1.4em' }22var wptools = require('wptools');23var page = wptools.page('Barack Obama');24page.setLang('fr').then(function(page){25    console.log(page.translatedFont());26});27{ 'font-family': 'Times New Roman,Times,serif',28  'line-height': '1.4em' }29var wptools = require('wptools');30var page = wptools.page('Barack Obama');31page.setLang('fr').then(function(page){32    console.log(page.translatedFont());33});34{ 'font-family': 'Times New Roman,Times,serif',35  'line-height': '1.4em' }

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.