How to use Type1CharString method in wpt

Best JavaScript code snippet using wpt

type1_parser.js

Source:type1_parser.js

...45    'hmoveto': [22],46    'vhcurveto': [30],47    'hvcurveto': [31]48  };49  function Type1CharString() {50    this.width = 0;51    this.lsb = 0;52    this.flexing = false;53    this.output = [];54    this.stack = [];55  }56  Type1CharString.prototype = {57    convert: function Type1CharString_convert(encoded, subrs, seacAnalysisEnabled) {58      var count = encoded.length;59      var error = false;60      var wx, sbx, subrNumber;61      for (var i = 0; i < count; i++) {62        var value = encoded[i];63        if (value < 32) {64          if (value === 12) {65            value = (value << 8) + encoded[++i];66          }67          switch (value) {68            case 1:69              if (!HINTING_ENABLED) {70                this.stack = [];71                break;72              }73              error = this.executeCommand(2, COMMAND_MAP.hstem);74              break;75            case 3:76              if (!HINTING_ENABLED) {77                this.stack = [];78                break;79              }80              error = this.executeCommand(2, COMMAND_MAP.vstem);81              break;82            case 4:83              if (this.flexing) {84                if (this.stack.length < 1) {85                  error = true;86                  break;87                }88                var dy = this.stack.pop();89                this.stack.push(0, dy);90                break;91              }92              error = this.executeCommand(1, COMMAND_MAP.vmoveto);93              break;94            case 5:95              error = this.executeCommand(2, COMMAND_MAP.rlineto);96              break;97            case 6:98              error = this.executeCommand(1, COMMAND_MAP.hlineto);99              break;100            case 7:101              error = this.executeCommand(1, COMMAND_MAP.vlineto);102              break;103            case 8:104              error = this.executeCommand(6, COMMAND_MAP.rrcurveto);105              break;106            case 9:107              this.stack = [];108              break;109            case 10:110              if (this.stack.length < 1) {111                error = true;112                break;113              }114              subrNumber = this.stack.pop();115              if (!subrs[subrNumber]) {116                error = true;117                break;118              }119              error = this.convert(subrs[subrNumber], subrs, seacAnalysisEnabled);120              break;121            case 11:122              return error;123            case 13:124              if (this.stack.length < 2) {125                error = true;126                break;127              }128              wx = this.stack.pop();129              sbx = this.stack.pop();130              this.lsb = sbx;131              this.width = wx;132              this.stack.push(wx, sbx);133              error = this.executeCommand(2, COMMAND_MAP.hmoveto);134              break;135            case 14:136              this.output.push(COMMAND_MAP.endchar[0]);137              break;138            case 21:139              if (this.flexing) {140                break;141              }142              error = this.executeCommand(2, COMMAND_MAP.rmoveto);143              break;144            case 22:145              if (this.flexing) {146                this.stack.push(0);147                break;148              }149              error = this.executeCommand(1, COMMAND_MAP.hmoveto);150              break;151            case 30:152              error = this.executeCommand(4, COMMAND_MAP.vhcurveto);153              break;154            case 31:155              error = this.executeCommand(4, COMMAND_MAP.hvcurveto);156              break;157            case (12 << 8) + 0:158              this.stack = [];159              break;160            case (12 << 8) + 1:161              if (!HINTING_ENABLED) {162                this.stack = [];163                break;164              }165              error = this.executeCommand(2, COMMAND_MAP.vstem);166              break;167            case (12 << 8) + 2:168              if (!HINTING_ENABLED) {169                this.stack = [];170                break;171              }172              error = this.executeCommand(2, COMMAND_MAP.hstem);173              break;174            case (12 << 8) + 6:175              if (seacAnalysisEnabled) {176                this.seac = this.stack.splice(-4, 4);177                error = this.executeCommand(0, COMMAND_MAP.endchar);178              } else {179                error = this.executeCommand(4, COMMAND_MAP.endchar);180              }181              break;182            case (12 << 8) + 7:183              if (this.stack.length < 4) {184                error = true;185                break;186              }187              this.stack.pop();188              wx = this.stack.pop();189              var sby = this.stack.pop();190              sbx = this.stack.pop();191              this.lsb = sbx;192              this.width = wx;193              this.stack.push(wx, sbx, sby);194              error = this.executeCommand(3, COMMAND_MAP.rmoveto);195              break;196            case (12 << 8) + 12:197              if (this.stack.length < 2) {198                error = true;199                break;200              }201              var num2 = this.stack.pop();202              var num1 = this.stack.pop();203              this.stack.push(num1 / num2);204              break;205            case (12 << 8) + 16:206              if (this.stack.length < 2) {207                error = true;208                break;209              }210              subrNumber = this.stack.pop();211              var numArgs = this.stack.pop();212              if (subrNumber === 0 && numArgs === 3) {213                var flexArgs = this.stack.splice(this.stack.length - 17, 17);214                this.stack.push(flexArgs[2] + flexArgs[0], flexArgs[3] + flexArgs[1], flexArgs[4], flexArgs[5], flexArgs[6], flexArgs[7], flexArgs[8], flexArgs[9], flexArgs[10], flexArgs[11], flexArgs[12], flexArgs[13], flexArgs[14]);215                error = this.executeCommand(13, COMMAND_MAP.flex, true);216                this.flexing = false;217                this.stack.push(flexArgs[15], flexArgs[16]);218              } else if (subrNumber === 1 && numArgs === 0) {219                this.flexing = true;220              }221              break;222            case (12 << 8) + 17:223              break;224            case (12 << 8) + 33:225              this.stack = [];226              break;227            default:228              (0, _util.warn)('Unknown type 1 charstring command of "' + value + '"');229              break;230          }231          if (error) {232            break;233          }234          continue;235        } else if (value <= 246) {236          value = value - 139;237        } else if (value <= 250) {238          value = (value - 247) * 256 + encoded[++i] + 108;239        } else if (value <= 254) {240          value = -((value - 251) * 256) - encoded[++i] - 108;241        } else {242          value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0;243        }244        this.stack.push(value);245      }246      return error;247    },248    executeCommand: function executeCommand(howManyArgs, command, keepStack) {249      var stackLength = this.stack.length;250      if (howManyArgs > stackLength) {251        return true;252      }253      var start = stackLength - howManyArgs;254      for (var i = start; i < stackLength; i++) {255        var value = this.stack[i];256        if (Number.isInteger(value)) {257          this.output.push(28, value >> 8 & 0xff, value & 0xff);258        } else {259          value = 65536 * value | 0;260          this.output.push(255, value >> 24 & 0xFF, value >> 16 & 0xFF, value >> 8 & 0xFF, value & 0xFF);261        }262      }263      this.output.push.apply(this.output, command);264      if (keepStack) {265        this.stack.splice(start, howManyArgs);266      } else {267        this.stack.length = 0;268      }269      return false;270    }271  };272  return Type1CharString;273}();274var Type1Parser = function Type1ParserClosure() {275  var EEXEC_ENCRYPT_KEY = 55665;276  var CHAR_STRS_ENCRYPT_KEY = 4330;277  function isHexDigit(code) {278    return code >= 48 && code <= 57 || code >= 65 && code <= 70 || code >= 97 && code <= 102;279  }280  function decrypt(data, key, discardNumber) {281    if (discardNumber >= data.length) {282      return new Uint8Array(0);283    }284    var r = key | 0,285        c1 = 52845,286        c2 = 22719,287        i,288        j;289    for (i = 0; i < discardNumber; i++) {290      r = (data[i] + r) * c1 + c2 & (1 << 16) - 1;291    }292    var count = data.length - discardNumber;293    var decrypted = new Uint8Array(count);294    for (i = discardNumber, j = 0; j < count; i++, j++) {295      var value = data[i];296      decrypted[j] = value ^ r >> 8;297      r = (value + r) * c1 + c2 & (1 << 16) - 1;298    }299    return decrypted;300  }301  function decryptAscii(data, key, discardNumber) {302    var r = key | 0,303        c1 = 52845,304        c2 = 22719;305    var count = data.length,306        maybeLength = count >>> 1;307    var decrypted = new Uint8Array(maybeLength);308    var i, j;309    for (i = 0, j = 0; i < count; i++) {310      var digit1 = data[i];311      if (!isHexDigit(digit1)) {312        continue;313      }314      i++;315      var digit2;316      while (i < count && !isHexDigit(digit2 = data[i])) {317        i++;318      }319      if (i < count) {320        var value = parseInt(String.fromCharCode(digit1, digit2), 16);321        decrypted[j++] = value ^ r >> 8;322        r = (value + r) * c1 + c2 & (1 << 16) - 1;323      }324    }325    return Array.prototype.slice.call(decrypted, discardNumber, j);326  }327  function isSpecial(c) {328    return c === 0x2F || c === 0x5B || c === 0x5D || c === 0x7B || c === 0x7D || c === 0x28 || c === 0x29;329  }330  function Type1Parser(stream, encrypted, seacAnalysisEnabled) {331    if (encrypted) {332      var data = stream.getBytes();333      var isBinary = !(isHexDigit(data[0]) && isHexDigit(data[1]) && isHexDigit(data[2]) && isHexDigit(data[3]));334      stream = new _stream.Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4));335    }336    this.seacAnalysisEnabled = !!seacAnalysisEnabled;337    this.stream = stream;338    this.nextChar();339  }340  Type1Parser.prototype = {341    readNumberArray: function Type1Parser_readNumberArray() {342      this.getToken();343      var array = [];344      while (true) {345        var token = this.getToken();346        if (token === null || token === ']' || token === '}') {347          break;348        }349        array.push(parseFloat(token || 0));350      }351      return array;352    },353    readNumber: function Type1Parser_readNumber() {354      var token = this.getToken();355      return parseFloat(token || 0);356    },357    readInt: function Type1Parser_readInt() {358      var token = this.getToken();359      return parseInt(token || 0, 10) | 0;360    },361    readBoolean: function Type1Parser_readBoolean() {362      var token = this.getToken();363      return token === 'true' ? 1 : 0;364    },365    nextChar: function Type1_nextChar() {366      return this.currentChar = this.stream.getByte();367    },368    getToken: function Type1Parser_getToken() {369      var comment = false;370      var ch = this.currentChar;371      while (true) {372        if (ch === -1) {373          return null;374        }375        if (comment) {376          if (ch === 0x0A || ch === 0x0D) {377            comment = false;378          }379        } else if (ch === 0x25) {380          comment = true;381        } else if (!(0, _util.isSpace)(ch)) {382          break;383        }384        ch = this.nextChar();385      }386      if (isSpecial(ch)) {387        this.nextChar();388        return String.fromCharCode(ch);389      }390      var token = '';391      do {392        token += String.fromCharCode(ch);393        ch = this.nextChar();394      } while (ch >= 0 && !(0, _util.isSpace)(ch) && !isSpecial(ch));395      return token;396    },397    readCharStrings: function Type1Parser_readCharStrings(bytes, lenIV) {398      if (lenIV === -1) {399        return bytes;400      }401      return decrypt(bytes, CHAR_STRS_ENCRYPT_KEY, lenIV);402    },403    extractFontProgram: function Type1Parser_extractFontProgram() {404      var stream = this.stream;405      var subrs = [],406          charstrings = [];407      var privateData = Object.create(null);408      privateData['lenIV'] = 4;409      var program = {410        subrs: [],411        charstrings: [],412        properties: { 'privateData': privateData }413      };414      var token, length, data, lenIV, encoded;415      while ((token = this.getToken()) !== null) {416        if (token !== '/') {417          continue;418        }419        token = this.getToken();420        switch (token) {421          case 'CharStrings':422            this.getToken();423            this.getToken();424            this.getToken();425            this.getToken();426            while (true) {427              token = this.getToken();428              if (token === null || token === 'end') {429                break;430              }431              if (token !== '/') {432                continue;433              }434              var glyph = this.getToken();435              length = this.readInt();436              this.getToken();437              data = stream.makeSubStream(stream.pos, length);438              lenIV = program.properties.privateData['lenIV'];439              encoded = this.readCharStrings(data.getBytes(), lenIV);440              stream.skip(length);441              this.nextChar();442              token = this.getToken();443              if (token === 'noaccess') {444                this.getToken();445              }446              charstrings.push({447                glyph: glyph,448                encoded: encoded449              });450            }451            break;452          case 'Subrs':453            this.readInt();454            this.getToken();455            while (this.getToken() === 'dup') {456              var index = this.readInt();457              length = this.readInt();458              this.getToken();459              data = stream.makeSubStream(stream.pos, length);460              lenIV = program.properties.privateData['lenIV'];461              encoded = this.readCharStrings(data.getBytes(), lenIV);462              stream.skip(length);463              this.nextChar();464              token = this.getToken();465              if (token === 'noaccess') {466                this.getToken();467              }468              subrs[index] = encoded;469            }470            break;471          case 'BlueValues':472          case 'OtherBlues':473          case 'FamilyBlues':474          case 'FamilyOtherBlues':475            var blueArray = this.readNumberArray();476            if (blueArray.length > 0 && blueArray.length % 2 === 0 && HINTING_ENABLED) {477              program.properties.privateData[token] = blueArray;478            }479            break;480          case 'StemSnapH':481          case 'StemSnapV':482            program.properties.privateData[token] = this.readNumberArray();483            break;484          case 'StdHW':485          case 'StdVW':486            program.properties.privateData[token] = this.readNumberArray()[0];487            break;488          case 'BlueShift':489          case 'lenIV':490          case 'BlueFuzz':491          case 'BlueScale':492          case 'LanguageGroup':493          case 'ExpansionFactor':494            program.properties.privateData[token] = this.readNumber();495            break;496          case 'ForceBold':497            program.properties.privateData[token] = this.readBoolean();498            break;499        }500      }501      for (var i = 0; i < charstrings.length; i++) {502        glyph = charstrings[i].glyph;503        encoded = charstrings[i].encoded;504        var charString = new Type1CharString();505        var error = charString.convert(encoded, subrs, this.seacAnalysisEnabled);506        var output = charString.output;507        if (error) {508          output = [14];509        }510        program.charstrings.push({511          glyphName: glyph,512          charstring: output,513          width: charString.width,514          lsb: charString.lsb,515          seac: charString.seac516        });517      }518      return program;...

Using AI Code Generation

1var wptools = require('wptools');2wptools.type1CharString('test');3var wptools = require('wptools');4wptools.type1CharString('test');5var wptools = require('wptools');6wptools.type1CharString('test');7var wptools = require('wptools');8wptools.type1CharString('test');9var wptools = require('wptools');10wptools.type1CharString('test');11var wptools = require('wptools');12wptools.type1CharString('test');13var wptools = require('wptools');14wptools.type1CharString('test');15var wptools = require('wptools');16wptools.type1CharString('test');17var wptools = require('wptools');18wptools.type1CharString('test');19var wptools = require('wptools');20wptools.type1CharString('test');21var wptools = require('wptools');22wptools.type1CharString('test');23var wptools = require('wptools');24wptools.type1CharString('test');

Using AI Code Generation

1var fs = require('fs');2var wptext = require('./wptext.js');3var text = fs.readFileSync('test.txt', 'utf8');4var charstrings = wptext.Type1CharString(text);5var charstring = charstrings[0];6var hex = wptext.charstringToHex(charstring);7console.log(hex);

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var input = fs.createReadStream('test.txt');4var output = fs.createWriteStream('test-out.txt');5var type1 = new wptools.Type1CharString();6type1.on('data', function (chunk) {7    output.write(chunk);8});9input.pipe(type1);10var wptools = require('wptools');11var fs = require('fs');12var input = fs.createReadStream('test.txt');13var output = fs.createWriteStream('test-out.txt');14var type1 = new wptools.Type1CharString();15type1.on('data', function (chunk) {16    output.write(chunk);17});18input.pipe(type1);19var wptools = require('wptools');20var fs = require('fs');21var input = fs.createReadStream('test.txt');22var output = fs.createWriteStream('test-out.txt');23var type1 = new wptools.Type1CharString();24type1.on('data', function (chunk) {25    output.write(chunk);26});27input.pipe(type1);28var wptools = require('wptools');29var fs = require('fs');30var input = fs.createReadStream('test.txt');31var output = fs.createWriteStream('test-out.txt');32var type1 = new wptools.Type1CharString();33type1.on('data', function (chunk) {34    output.write(chunk);35});36input.pipe(type1);37var wptools = require('wptools');38var fs = require('fs');39var input = fs.createReadStream('test.txt');40var output = fs.createWriteStream('test-out.txt');41var type1 = new wptools.Type1CharString();42type1.on('data', function (chunk) {43    output.write(chunk);44});45input.pipe(type1);46var wptools = require('wptools');47var fs = require('fs');

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var path = require('path');4var fontFile = path.join(__dirname, 'font.ttf');5var char = 'a';6wptools.Type1CharString.extractChar(fontFile, char, function(err, result) {7    if (err) {8        console.log(err);9    } else {10        console.log(JSON.stringify(result));11    }12});13{14  "bbox": {15  },16    {17    },18    {19    },20    {21    },22    {23    },24    {25    }26}27var wptools = require('wptools');28var fs = require('fs');29var path = require('path');30var fontFile = path.join(__dirname, 'font.ttf');31var char = 'a';32wptools.Type1CharString.extractChar(fontFile, char, function(err, result) {33    if (err) {34        console.log(err);35    } else {36        console.log(JSON.stringify(result));37    }38});39{40  "bbox": {41  },

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