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Merge pull request #555 from kkujala/master 

Use lowercase in function names.
notmasteryet 14 years ago
parent
0ca97fd22b 800fc131b8
commit
f1fc5ab84d
4 changed files with 166 additions and 166 deletions
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  1. 6
      crypto.js
  2. 8
      fonts.js
  3. 316
      pdf.js
  4. 2
      utils/fonts_utils.js

6
crypto.js
Unescape View File

@ -493,16 +493,16 @@ var CipherTransformFactory = (function cipherTransformFactory() {
function constructor(dict, fileId, password) { function constructor(dict, fileId, password) {
var filter = dict.get('Filter'); var filter = dict.get('Filter');
if (!IsName(filter) || filter.name != 'Standard') if (!isName(filter) || filter.name != 'Standard')
error('unknown encryption method'); error('unknown encryption method');
this.dict = dict; this.dict = dict;
var algorithm = dict.get('V'); var algorithm = dict.get('V');
if (!IsInt(algorithm) || if (!isInt(algorithm) ||
(algorithm != 1 && algorithm != 2 && algorithm != 4)) (algorithm != 1 && algorithm != 2 && algorithm != 4))
error('unsupported encryption algorithm'); error('unsupported encryption algorithm');
this.algorithm = algorithm; this.algorithm = algorithm;
var keyLength = dict.get('Length') || 40; var keyLength = dict.get('Length') || 40;
if (!IsInt(keyLength) || if (!isInt(keyLength) ||
keyLength < 40 || (keyLength % 8) != 0) keyLength < 40 || (keyLength % 8) != 0)
error('invalid key length'); error('invalid key length');
// prepare keys // prepare keys

8
fonts.js
Unescape View File

@ -1217,7 +1217,7 @@ var Font = (function Font() {
encoding[i] = { encoding[i] = {
unicode: i <= 0x1f || (i >= 127 && i <= 255) ? unicode: i <= 0x1f || (i >= 127 && i <= 255) ?
i + kCmapGlyphOffset : i, i + kCmapGlyphOffset : i,
width: IsNum(width) ? width : properties.defaultWidth width: isNum(width) ? width : properties.defaultWidth
}; };
} }
} else { } else {
@ -2207,7 +2207,7 @@ CFF.prototype = {
var cmd = map[command]; var cmd = map[command];
assert(cmd, 'Unknow command: ' + command); assert(cmd, 'Unknow command: ' + command);
if (IsArray(cmd)) if (isArray(cmd))
charstring.splice(i++, 1, cmd[0], cmd[1]); charstring.splice(i++, 1, cmd[0], cmd[1]);
else else
charstring[i] = cmd; charstring[i] = cmd;
@ -2333,7 +2333,7 @@ CFF.prototype = {
continue; continue;
var value = properties.private[field]; var value = properties.private[field];
if (IsArray(value)) { if (isArray(value)) {
data += self.encodeNumber(value[0]); data += self.encodeNumber(value[0]);
for (var i = 1; i < value.length; i++) for (var i = 1; i < value.length; i++)
data += self.encodeNumber(value[i] - value[i - 1]); data += self.encodeNumber(value[i] - value[i - 1]);
@ -2492,7 +2492,7 @@ var Type2CFF = (function type2CFF() {
var width = mapping.width; var width = mapping.width;
properties.glyphs[glyph] = properties.encoding[index] = { properties.glyphs[glyph] = properties.encoding[index] = {
unicode: code, unicode: code,
width: IsNum(width) ? width : defaultWidth width: isNum(width) ? width : defaultWidth
}; };
charstrings.push({ charstrings.push({

316
pdf.js
Unescape View File

@ -2385,57 +2385,57 @@ var RefSet = (function refSet() {
return constructor; return constructor;
})(); })();
function IsBool(v) { function isBool(v) {
return typeof v == 'boolean'; return typeof v == 'boolean';
} }
function IsInt(v) { function isInt(v) {
return typeof v == 'number' && ((v | 0) == v); return typeof v == 'number' && ((v | 0) == v);
} }
function IsNum(v) { function isNum(v) {
return typeof v == 'number'; return typeof v == 'number';
} }
function IsString(v) { function isString(v) {
return typeof v == 'string'; return typeof v == 'string';
} }
function IsNull(v) { function isNull(v) {
return v === null; return v === null;
} }
function IsName(v) { function isName(v) {
return v instanceof Name; return v instanceof Name;
} }
function IsCmd(v, cmd) { function isCmd(v, cmd) {
return v instanceof Cmd && (!cmd || v.cmd == cmd); return v instanceof Cmd && (!cmd || v.cmd == cmd);
} }
function IsDict(v, type) { function isDict(v, type) {
return v instanceof Dict && (!type || v.get('Type').name == type); return v instanceof Dict && (!type || v.get('Type').name == type);
} }
function IsArray(v) { function isArray(v) {
return v instanceof Array; return v instanceof Array;
} }
function IsStream(v) { function isStream(v) {
return typeof v == 'object' && v != null && ('getChar' in v); return typeof v == 'object' && v != null && ('getChar' in v);
} }
function IsRef(v) { function isRef(v) {
return v instanceof Ref; return v instanceof Ref;
} }
function IsPDFFunction(v) { function isPDFFunction(v) {
var fnDict; var fnDict;
if (typeof v != 'object') if (typeof v != 'object')
return false; return false;
else if (IsDict(v)) else if (isDict(v))
fnDict = v; fnDict = v;
else if (IsStream(v)) else if (isStream(v))
fnDict = v.dict; fnDict = v.dict;
else else
return false; return false;
@ -2444,13 +2444,13 @@ function IsPDFFunction(v) {
var EOF = {}; var EOF = {};
function IsEOF(v) { function isEOF(v) {
return v == EOF; return v == EOF;
} }
var None = {}; var None = {};
function IsNone(v) { function isNone(v) {
return v == None; return v == None;
} }
@ -2484,7 +2484,7 @@ var Lexer = (function lexer() {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // fx 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // fx
]; ];
function ToHexDigit(ch) { function toHexDigit(ch) {
if (ch >= '0' && ch <= '9') if (ch >= '0' && ch <= '9')
return ch.charCodeAt(0) - 48; return ch.charCodeAt(0) - 48;
ch = ch.toUpperCase(); ch = ch.toUpperCase();
@ -2613,10 +2613,10 @@ var Lexer = (function lexer() {
stream.skip(); stream.skip();
if (ch == '#') { if (ch == '#') {
ch = stream.lookChar(); ch = stream.lookChar();
var x = ToHexDigit(ch); var x = toHexDigit(ch);
if (x != -1) { if (x != -1) {
stream.skip(); stream.skip();
var x2 = ToHexDigit(stream.getChar()); var x2 = toHexDigit(stream.getChar());
if (x2 == -1) if (x2 == -1)
error('Illegal digit in hex char in name: ' + x2); error('Illegal digit in hex char in name: ' + x2);
str += String.fromCharCode((x << 4) | x2); str += String.fromCharCode((x << 4) | x2);
@ -2647,14 +2647,14 @@ var Lexer = (function lexer() {
} }
if (specialChars[ch.charCodeAt(0)] != 1) { if (specialChars[ch.charCodeAt(0)] != 1) {
var x, x2; var x, x2;
if ((x = ToHexDigit(ch)) == -1) if ((x = toHexDigit(ch)) == -1)
error('Illegal character in hex string: ' + ch); error('Illegal character in hex string: ' + ch);
ch = stream.getChar(); ch = stream.getChar();
while (specialChars[ch.charCodeAt(0)] == 1) while (specialChars[ch.charCodeAt(0)] == 1)
ch = stream.getChar(); ch = stream.getChar();
if ((x2 = ToHexDigit(ch)) == -1) if ((x2 = toHexDigit(ch)) == -1)
error('Illegal character in hex string: ' + ch); error('Illegal character in hex string: ' + ch);
str += String.fromCharCode((x << 4) | x2); str += String.fromCharCode((x << 4) | x2);
@ -2773,7 +2773,7 @@ var Parser = (function parserParser() {
this.buf2 = this.lexer.getObj(); this.buf2 = this.lexer.getObj();
}, },
shift: function parserShift() { shift: function parserShift() {
if (IsCmd(this.buf2, 'ID')) { if (isCmd(this.buf2, 'ID')) {
this.buf1 = this.buf2; this.buf1 = this.buf2;
this.buf2 = null; this.buf2 = null;
// skip byte after ID // skip byte after ID
@ -2784,50 +2784,50 @@ var Parser = (function parserParser() {
} }
}, },
getObj: function parserGetObj(cipherTransform) { getObj: function parserGetObj(cipherTransform) {
if (IsCmd(this.buf1, 'BI')) { // inline image if (isCmd(this.buf1, 'BI')) { // inline image
this.shift(); this.shift();
return this.makeInlineImage(cipherTransform); return this.makeInlineImage(cipherTransform);
} }
if (IsCmd(this.buf1, '[')) { // array if (isCmd(this.buf1, '[')) { // array
this.shift(); this.shift();
var array = []; var array = [];
while (!IsCmd(this.buf1, ']') && !IsEOF(this.buf1)) while (!isCmd(this.buf1, ']') && !isEOF(this.buf1))
array.push(this.getObj()); array.push(this.getObj());
if (IsEOF(this.buf1)) if (isEOF(this.buf1))
error('End of file inside array'); error('End of file inside array');
this.shift(); this.shift();
return array; return array;
} }
if (IsCmd(this.buf1, '<<')) { // dictionary or stream if (isCmd(this.buf1, '<<')) { // dictionary or stream
this.shift(); this.shift();
var dict = new Dict(); var dict = new Dict();
while (!IsCmd(this.buf1, '>>') && !IsEOF(this.buf1)) { while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) {
if (!IsName(this.buf1)) { if (!isName(this.buf1)) {
error('Dictionary key must be a name object'); error('Dictionary key must be a name object');
} else { } else {
var key = this.buf1.name; var key = this.buf1.name;
this.shift(); this.shift();
if (IsEOF(this.buf1)) if (isEOF(this.buf1))
break; break;
dict.set(key, this.getObj(cipherTransform)); dict.set(key, this.getObj(cipherTransform));
} }
} }
if (IsEOF(this.buf1)) if (isEOF(this.buf1))
error('End of file inside dictionary'); error('End of file inside dictionary');
// stream objects are not allowed inside content streams or // stream objects are not allowed inside content streams or
// object streams // object streams
if (IsCmd(this.buf2, 'stream')) { if (isCmd(this.buf2, 'stream')) {
return this.allowStreams ? return this.allowStreams ?
this.makeStream(dict, cipherTransform) : dict; this.makeStream(dict, cipherTransform) : dict;
} }
this.shift(); this.shift();
return dict; return dict;
} }
if (IsInt(this.buf1)) { // indirect reference or integer if (isInt(this.buf1)) { // indirect reference or integer
var num = this.buf1; var num = this.buf1;
this.shift(); this.shift();
if (IsInt(this.buf1) && IsCmd(this.buf2, 'R')) { if (isInt(this.buf1) && isCmd(this.buf2, 'R')) {
var ref = new Ref(num, this.buf1); var ref = new Ref(num, this.buf1);
this.shift(); this.shift();
this.shift(); this.shift();
@ -2835,7 +2835,7 @@ var Parser = (function parserParser() {
} }
return num; return num;
} }
if (IsString(this.buf1)) { // string if (isString(this.buf1)) { // string
var str = this.buf1; var str = this.buf1;
this.shift(); this.shift();
if (cipherTransform) if (cipherTransform)
@ -2854,13 +2854,13 @@ var Parser = (function parserParser() {
// parse dictionary // parse dictionary
var dict = new Dict(); var dict = new Dict();
while (!IsCmd(this.buf1, 'ID') && !IsEOF(this.buf1)) { while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) {
if (!IsName(this.buf1)) { if (!isName(this.buf1)) {
error('Dictionary key must be a name object'); error('Dictionary key must be a name object');
} else { } else {
var key = this.buf1.name; var key = this.buf1.name;
this.shift(); this.shift();
if (IsEOF(this.buf1)) if (isEOF(this.buf1))
break; break;
dict.set(key, this.getObj(cipherTransform)); dict.set(key, this.getObj(cipherTransform));
} }
@ -2901,7 +2901,7 @@ var Parser = (function parserParser() {
var xref = this.xref; var xref = this.xref;
if (xref) if (xref)
length = xref.fetchIfRef(length); length = xref.fetchIfRef(length);
if (!IsInt(length)) { if (!isInt(length)) {
error('Bad ' + length + ' attribute in stream'); error('Bad ' + length + ' attribute in stream');
length = 0; length = 0;
} }
@ -2910,7 +2910,7 @@ var Parser = (function parserParser() {
stream.pos = pos + length; stream.pos = pos + length;
this.shift(); // '>>' this.shift(); // '>>'
this.shift(); // 'stream' this.shift(); // 'stream'
if (!IsCmd(this.buf1, 'endstream')) if (!isCmd(this.buf1, 'endstream'))
error('Missing endstream'); error('Missing endstream');
this.shift(); this.shift();
@ -2924,18 +2924,18 @@ var Parser = (function parserParser() {
filter: function parserFilter(stream, dict, length) { filter: function parserFilter(stream, dict, length) {
var filter = dict.get('Filter', 'F'); var filter = dict.get('Filter', 'F');
var params = dict.get('DecodeParms', 'DP'); var params = dict.get('DecodeParms', 'DP');
if (IsName(filter)) if (isName(filter))
return this.makeFilter(stream, filter.name, length, params); return this.makeFilter(stream, filter.name, length, params);
if (IsArray(filter)) { if (isArray(filter)) {
var filterArray = filter; var filterArray = filter;
var paramsArray = params; var paramsArray = params;
for (var i = 0, ii = filterArray.length; i < ii; ++i) { for (var i = 0, ii = filterArray.length; i < ii; ++i) {
filter = filterArray[i]; filter = filterArray[i];
if (!IsName(filter)) if (!isName(filter))
error('Bad filter name: ' + filter); error('Bad filter name: ' + filter);
else { else {
params = null; params = null;
if (IsArray(paramsArray) && (i in paramsArray)) if (isArray(paramsArray) && (i in paramsArray))
params = paramsArray[i]; params = paramsArray[i];
stream = this.makeFilter(stream, filter.name, length, params); stream = this.makeFilter(stream, filter.name, length, params);
// after the first stream the length variable is invalid // after the first stream the length variable is invalid
@ -2986,10 +2986,10 @@ var Linearization = (function linearizationLinearization() {
var obj2 = this.parser.getObj(); var obj2 = this.parser.getObj();
var obj3 = this.parser.getObj(); var obj3 = this.parser.getObj();
this.linDict = this.parser.getObj(); this.linDict = this.parser.getObj();
if (IsInt(obj1) && IsInt(obj2) && IsCmd(obj3, 'obj') && if (isInt(obj1) && isInt(obj2) && isCmd(obj3, 'obj') &&
IsDict(this.linDict)) { isDict(this.linDict)) {
var obj = this.linDict.get('Linearized'); var obj = this.linDict.get('Linearized');
if (!(IsNum(obj) && obj > 0)) if (!(isNum(obj) && obj > 0))
this.linDict = null; this.linDict = null;
} }
} }
@ -2998,8 +2998,8 @@ var Linearization = (function linearizationLinearization() {
getInt: function linearizationGetInt(name) { getInt: function linearizationGetInt(name) {
var linDict = this.linDict; var linDict = this.linDict;
var obj; var obj;
if (IsDict(linDict) && if (isDict(linDict) &&
IsInt(obj = linDict.get(name)) && isInt(obj = linDict.get(name)) &&
obj > 0) { obj > 0) {
return obj; return obj;
} }
@ -3009,10 +3009,10 @@ var Linearization = (function linearizationLinearization() {
getHint: function linearizationGetHint(index) { getHint: function linearizationGetHint(index) {
var linDict = this.linDict; var linDict = this.linDict;
var obj1, obj2; var obj1, obj2;
if (IsDict(linDict) && if (isDict(linDict) &&
IsArray(obj1 = linDict.get('H')) && isArray(obj1 = linDict.get('H')) &&
obj1.length >= 2 && obj1.length >= 2 &&
IsInt(obj2 = obj1[index]) && isInt(obj2 = obj1[index]) &&
obj2 > 0) { obj2 > 0) {
return obj2; return obj2;
} }
@ -3020,7 +3020,7 @@ var Linearization = (function linearizationLinearization() {
return 0; return 0;
}, },
get length() { get length() {
if (!IsDict(this.linDict)) if (!isDict(this.linDict))
return 0; return 0;
return this.getInt('L'); return this.getInt('L');
}, },
@ -3074,7 +3074,7 @@ var XRef = (function xRefXRef() {
} }
// get the root dictionary (catalog) object // get the root dictionary (catalog) object
if (!IsRef(this.root = trailerDict.get('Root'))) if (!isRef(this.root = trailerDict.get('Root')))
error('Invalid root reference'); error('Invalid root reference');
} }
@ -3082,28 +3082,28 @@ var XRef = (function xRefXRef() {
readXRefTable: function readXRefTable(parser) { readXRefTable: function readXRefTable(parser) {
var obj; var obj;
while (true) { while (true) {
if (IsCmd(obj = parser.getObj(), 'trailer')) if (isCmd(obj = parser.getObj(), 'trailer'))
break; break;
if (!IsInt(obj)) if (!isInt(obj))
error('Invalid XRef table'); error('Invalid XRef table');
var first = obj; var first = obj;
if (!IsInt(obj = parser.getObj())) if (!isInt(obj = parser.getObj()))
error('Invalid XRef table'); error('Invalid XRef table');
var n = obj; var n = obj;
if (first < 0 || n < 0 || (first + n) != ((first + n) | 0)) if (first < 0 || n < 0 || (first + n) != ((first + n) | 0))
error('Invalid XRef table: ' + first + ', ' + n); error('Invalid XRef table: ' + first + ', ' + n);
for (var i = first; i < first + n; ++i) { for (var i = first; i < first + n; ++i) {
var entry = {}; var entry = {};
if (!IsInt(obj = parser.getObj())) if (!isInt(obj = parser.getObj()))
error('Invalid XRef table: ' + first + ', ' + n); error('Invalid XRef table: ' + first + ', ' + n);
entry.offset = obj; entry.offset = obj;
if (!IsInt(obj = parser.getObj())) if (!isInt(obj = parser.getObj()))
error('Invalid XRef table: ' + first + ', ' + n); error('Invalid XRef table: ' + first + ', ' + n);
entry.gen = obj; entry.gen = obj;
obj = parser.getObj(); obj = parser.getObj();
if (IsCmd(obj, 'n')) { if (isCmd(obj, 'n')) {
entry.uncompressed = true; entry.uncompressed = true;
} else if (IsCmd(obj, 'f')) { } else if (isCmd(obj, 'f')) {
entry.free = true; entry.free = true;
} else { } else {
error('Invalid XRef table: ' + first + ', ' + n); error('Invalid XRef table: ' + first + ', ' + n);
@ -3122,15 +3122,15 @@ var XRef = (function xRefXRef() {
// read the trailer dictionary // read the trailer dictionary
var dict; var dict;
if (!IsDict(dict = parser.getObj())) if (!isDict(dict = parser.getObj()))
error('Invalid XRef table'); error('Invalid XRef table');
// get the 'Prev' pointer // get the 'Prev' pointer
var prev; var prev;
obj = dict.get('Prev'); obj = dict.get('Prev');
if (IsInt(obj)) { if (isInt(obj)) {
prev = obj; prev = obj;
} else if (IsRef(obj)) { } else if (isRef(obj)) {
// certain buggy PDF generators generate "/Prev NNN 0 R" instead // certain buggy PDF generators generate "/Prev NNN 0 R" instead
// of "/Prev NNN" // of "/Prev NNN"
prev = obj.num; prev = obj.num;
@ -3140,7 +3140,7 @@ var XRef = (function xRefXRef() {
} }
// check for 'XRefStm' key // check for 'XRefStm' key
if (IsInt(obj = dict.get('XRefStm'))) { if (isInt(obj = dict.get('XRefStm'))) {
var pos = obj; var pos = obj;
// ignore previously loaded xref streams (possible infinite recursion) // ignore previously loaded xref streams (possible infinite recursion)
if (!(pos in this.xrefstms)) { if (!(pos in this.xrefstms)) {
@ -3160,13 +3160,13 @@ var XRef = (function xRefXRef() {
var i, j; var i, j;
while (range.length > 0) { while (range.length > 0) {
var first = range[0], n = range[1]; var first = range[0], n = range[1];
if (!IsInt(first) || !IsInt(n)) if (!isInt(first) || !isInt(n))
error('Invalid XRef range fields: ' + first + ', ' + n); error('Invalid XRef range fields: ' + first + ', ' + n);
var typeFieldWidth = byteWidths[0]; var typeFieldWidth = byteWidths[0];
var offsetFieldWidth = byteWidths[1]; var offsetFieldWidth = byteWidths[1];
var generationFieldWidth = byteWidths[2]; var generationFieldWidth = byteWidths[2];
if (!IsInt(typeFieldWidth) || !IsInt(offsetFieldWidth) || if (!isInt(typeFieldWidth) || !isInt(offsetFieldWidth) ||
!IsInt(generationFieldWidth)) { !isInt(generationFieldWidth)) {
error('Invalid XRef entry fields length: ' + first + ', ' + n); error('Invalid XRef entry fields length: ' + first + ', ' + n);
} }
for (i = 0; i < n; ++i) { for (i = 0; i < n; ++i) {
@ -3201,7 +3201,7 @@ var XRef = (function xRefXRef() {
range.splice(0, 2); range.splice(0, 2);
} }
var prev = streamParameters.get('Prev'); var prev = streamParameters.get('Prev');
if (IsInt(prev)) if (isInt(prev))
this.readXRef(prev); this.readXRef(prev);
return streamParameters; return streamParameters;
}, },
@ -3298,11 +3298,11 @@ var XRef = (function xRefXRef() {
stream.pos = trailers[i]; stream.pos = trailers[i];
var parser = new Parser(new Lexer(stream), true); var parser = new Parser(new Lexer(stream), true);
var obj = parser.getObj(); var obj = parser.getObj();
if (!IsCmd(obj, 'trailer')) if (!isCmd(obj, 'trailer'))
continue; continue;
// read the trailer dictionary // read the trailer dictionary
var dict; var dict;
if (!IsDict(dict = parser.getObj())) if (!isDict(dict = parser.getObj()))
continue; continue;
// taking the first one with 'ID' // taking the first one with 'ID'
if (dict.has('ID')) if (dict.has('ID'))
@ -3318,13 +3318,13 @@ var XRef = (function xRefXRef() {
var parser = new Parser(new Lexer(stream), true); var parser = new Parser(new Lexer(stream), true);
var obj = parser.getObj(); var obj = parser.getObj();
// parse an old-style xref table // parse an old-style xref table
if (IsCmd(obj, 'xref')) if (isCmd(obj, 'xref'))
return this.readXRefTable(parser); return this.readXRefTable(parser);
// parse an xref stream // parse an xref stream
if (IsInt(obj)) { if (isInt(obj)) {
if (!IsInt(parser.getObj()) || if (!isInt(parser.getObj()) ||
!IsCmd(parser.getObj(), 'obj') || !isCmd(parser.getObj(), 'obj') ||
!IsStream(obj = parser.getObj())) { !isStream(obj = parser.getObj())) {
error('Invalid XRef stream'); error('Invalid XRef stream');
} }
return this.readXRefStream(obj); return this.readXRefStream(obj);
@ -3338,7 +3338,7 @@ var XRef = (function xRefXRef() {
return e; return e;
}, },
fetchIfRef: function xRefFetchIfRef(obj) { fetchIfRef: function xRefFetchIfRef(obj) {
if (!IsRef(obj)) if (!isRef(obj))
return obj; return obj;
return this.fetch(obj); return this.fetch(obj);
}, },
@ -3359,12 +3359,12 @@ var XRef = (function xRefXRef() {
var obj1 = parser.getObj(); var obj1 = parser.getObj();
var obj2 = parser.getObj(); var obj2 = parser.getObj();
var obj3 = parser.getObj(); var obj3 = parser.getObj();
if (!IsInt(obj1) || obj1 != num || if (!isInt(obj1) || obj1 != num ||
!IsInt(obj2) || obj2 != gen || !isInt(obj2) || obj2 != gen ||
!IsCmd(obj3)) { !isCmd(obj3)) {
error('bad XRef entry'); error('bad XRef entry');
} }
if (!IsCmd(obj3, 'obj')) { if (!isCmd(obj3, 'obj')) {
// some bad pdfs use "obj1234" and really mean 1234 // some bad pdfs use "obj1234" and really mean 1234
if (obj3.cmd.indexOf('obj') == 0) { if (obj3.cmd.indexOf('obj') == 0) {
num = parseInt(obj3.cmd.substring(3), 10); num = parseInt(obj3.cmd.substring(3), 10);
@ -3386,18 +3386,18 @@ var XRef = (function xRefXRef() {
e = parser.getObj(); e = parser.getObj();
} }
// Don't cache streams since they are mutable. // Don't cache streams since they are mutable.
if (!IsStream(e)) if (!isStream(e))
this.cache[num] = e; this.cache[num] = e;
return e; return e;
} }
// compressed entry // compressed entry
stream = this.fetch(new Ref(e.offset, 0)); stream = this.fetch(new Ref(e.offset, 0));
if (!IsStream(stream)) if (!isStream(stream))
error('bad ObjStm stream'); error('bad ObjStm stream');
var first = stream.parameters.get('First'); var first = stream.parameters.get('First');
var n = stream.parameters.get('N'); var n = stream.parameters.get('N');
if (!IsInt(first) || !IsInt(n)) { if (!isInt(first) || !isInt(n)) {
error('invalid first and n parameters for ObjStm stream'); error('invalid first and n parameters for ObjStm stream');
} }
parser = new Parser(new Lexer(stream), false); parser = new Parser(new Lexer(stream), false);
@ -3405,12 +3405,12 @@ var XRef = (function xRefXRef() {
// read the object numbers to populate cache // read the object numbers to populate cache
for (i = 0; i < n; ++i) { for (i = 0; i < n; ++i) {
num = parser.getObj(); num = parser.getObj();
if (!IsInt(num)) { if (!isInt(num)) {
error('invalid object number in the ObjStm stream: ' + num); error('invalid object number in the ObjStm stream: ' + num);
} }
nums.push(num); nums.push(num);
var offset = parser.getObj(); var offset = parser.getObj();
if (!IsInt(offset)) { if (!isInt(offset)) {
error('invalid object offset in the ObjStm stream: ' + offset); error('invalid object offset in the ObjStm stream: ' + offset);
} }
} }
@ -3472,7 +3472,7 @@ var Page = (function pagePage() {
get mediaBox() { get mediaBox() {
var obj = this.inheritPageProp('MediaBox'); var obj = this.inheritPageProp('MediaBox');
// Reset invalid media box to letter size. // Reset invalid media box to letter size.
if (!IsArray(obj) || obj.length !== 4) if (!isArray(obj) || obj.length !== 4)
obj = [0, 0, 612, 792]; obj = [0, 0, 612, 792];
return shadow(this, 'mediaBox', obj); return shadow(this, 'mediaBox', obj);
}, },
@ -3484,7 +3484,7 @@ var Page = (function pagePage() {
width: this.width, width: this.width,
height: this.height height: this.height
}; };
if (IsArray(obj) && obj.length == 4) { if (isArray(obj) && obj.length == 4) {
var rotate = this.rotate; var rotate = this.rotate;
if (rotate == 0 || rotate == 180) { if (rotate == 0 || rotate == 180) {
view.x = obj[0]; view.x = obj[0];
@ -3591,7 +3591,7 @@ var Page = (function pagePage() {
var xref = this.xref; var xref = this.xref;
var content = xref.fetchIfRef(this.content); var content = xref.fetchIfRef(this.content);
var resources = xref.fetchIfRef(this.resources); var resources = xref.fetchIfRef(this.resources);
if (IsArray(content)) { if (isArray(content)) {
// fetching items // fetching items
var i, n = content.length; var i, n = content.length;
for (i = 0; i < n; ++i) for (i = 0; i < n; ++i)
@ -3606,7 +3606,7 @@ var Page = (function pagePage() {
var xref = this.xref; var xref = this.xref;
var resources = xref.fetchIfRef(this.resources); var resources = xref.fetchIfRef(this.resources);
var mediaBox = xref.fetchIfRef(this.mediaBox); var mediaBox = xref.fetchIfRef(this.mediaBox);
assertWellFormed(IsDict(resources), 'invalid page resources'); assertWellFormed(isDict(resources), 'invalid page resources');
gfx.beginDrawing({ x: mediaBox[0], y: mediaBox[1], gfx.beginDrawing({ x: mediaBox[0], y: mediaBox[1],
width: this.width, width: this.width,
height: this.height, height: this.height,
@ -3635,10 +3635,10 @@ var Page = (function pagePage() {
var links = []; var links = [];
for (i = 0; i < n; ++i) { for (i = 0; i < n; ++i) {
var annotation = xref.fetch(annotations[i]); var annotation = xref.fetch(annotations[i]);
if (!IsDict(annotation)) if (!isDict(annotation))
continue; continue;
var subtype = annotation.get('Subtype'); var subtype = annotation.get('Subtype');
if (!IsName(subtype) || subtype.name != 'Link') if (!isName(subtype) || subtype.name != 'Link')
continue; continue;
var rect = annotation.get('Rect'); var rect = annotation.get('Rect');
var topLeftCorner = this.rotatePoint(rect[0], rect[1]); var topLeftCorner = this.rotatePoint(rect[0], rect[1]);
@ -3664,7 +3664,7 @@ var Page = (function pagePage() {
} else if (annotation.has('Dest')) { } else if (annotation.has('Dest')) {
// simple destination link // simple destination link
var dest = annotation.get('Dest'); var dest = annotation.get('Dest');
link.dest = IsName(dest) ? dest.name : dest; link.dest = isName(dest) ? dest.name : dest;
} }
links.push(link); links.push(link);
} }
@ -3679,16 +3679,16 @@ var Catalog = (function catalogCatalog() {
function constructor(xref) { function constructor(xref) {
this.xref = xref; this.xref = xref;
var obj = xref.getCatalogObj(); var obj = xref.getCatalogObj();
assertWellFormed(IsDict(obj), 'catalog object is not a dictionary'); assertWellFormed(isDict(obj), 'catalog object is not a dictionary');
this.catDict = obj; this.catDict = obj;
} }
constructor.prototype = { constructor.prototype = {
get toplevelPagesDict() { get toplevelPagesDict() {
var pagesObj = this.catDict.get('Pages'); var pagesObj = this.catDict.get('Pages');
assertWellFormed(IsRef(pagesObj), 'invalid top-level pages reference'); assertWellFormed(isRef(pagesObj), 'invalid top-level pages reference');
var xrefObj = this.xref.fetch(pagesObj); var xrefObj = this.xref.fetch(pagesObj);
assertWellFormed(IsDict(xrefObj), 'invalid top-level pages dictionary'); assertWellFormed(isDict(xrefObj), 'invalid top-level pages dictionary');
// shadow the prototype getter // shadow the prototype getter
return shadow(this, 'toplevelPagesDict', xrefObj); return shadow(this, 'toplevelPagesDict', xrefObj);
}, },
@ -3696,10 +3696,10 @@ var Catalog = (function catalogCatalog() {
var obj = this.catDict.get('Outlines'); var obj = this.catDict.get('Outlines');
var xref = this.xref; var xref = this.xref;
var root = { items: [] }; var root = { items: [] };
if (IsRef(obj)) { if (isRef(obj)) {
obj = xref.fetch(obj).get('First'); obj = xref.fetch(obj).get('First');
var processed = new RefSet(); var processed = new RefSet();
if (IsRef(obj)) { if (isRef(obj)) {
var queue = [{obj: obj, parent: root}]; var queue = [{obj: obj, parent: root}];
// to avoid recursion keeping track of the items // to avoid recursion keeping track of the items
// in the processed dictionary // in the processed dictionary
@ -3714,7 +3714,7 @@ var Catalog = (function catalogCatalog() {
dest = xref.fetchIfRef(dest).get('D'); dest = xref.fetchIfRef(dest).get('D');
else if (outlineDict.has('Dest')) { else if (outlineDict.has('Dest')) {
dest = outlineDict.get('Dest'); dest = outlineDict.get('Dest');
if (IsName(dest)) if (isName(dest))
dest = dest.name; dest = dest.name;
} }
var title = xref.fetchIfRef(outlineDict.get('Title')); var title = xref.fetchIfRef(outlineDict.get('Title'));
@ -3729,12 +3729,12 @@ var Catalog = (function catalogCatalog() {
}; };
i.parent.items.push(outlineItem); i.parent.items.push(outlineItem);
obj = outlineDict.get('First'); obj = outlineDict.get('First');
if (IsRef(obj) && !processed.has(obj)) { if (isRef(obj) && !processed.has(obj)) {
queue.push({obj: obj, parent: outlineItem}); queue.push({obj: obj, parent: outlineItem});
processed.put(obj); processed.put(obj);
} }
obj = outlineDict.get('Next'); obj = outlineDict.get('Next');
if (IsRef(obj) && !processed.has(obj)) { if (isRef(obj) && !processed.has(obj)) {
queue.push({obj: obj, parent: i.parent}); queue.push({obj: obj, parent: i.parent});
processed.put(obj); processed.put(obj);
} }
@ -3747,7 +3747,7 @@ var Catalog = (function catalogCatalog() {
get numPages() { get numPages() {
var obj = this.toplevelPagesDict.get('Count'); var obj = this.toplevelPagesDict.get('Count');
assertWellFormed( assertWellFormed(
IsInt(obj), isInt(obj),
'page count in top level pages object is not an integer' 'page count in top level pages object is not an integer'
); );
// shadow the prototype getter // shadow the prototype getter
@ -3756,18 +3756,18 @@ var Catalog = (function catalogCatalog() {
traverseKids: function catalogTraverseKids(pagesDict) { traverseKids: function catalogTraverseKids(pagesDict) {
var pageCache = this.pageCache; var pageCache = this.pageCache;
var kids = pagesDict.get('Kids'); var kids = pagesDict.get('Kids');
assertWellFormed(IsArray(kids), assertWellFormed(isArray(kids),
'page dictionary kids object is not an array'); 'page dictionary kids object is not an array');
for (var i = 0; i < kids.length; ++i) { for (var i = 0; i < kids.length; ++i) {
var kid = kids[i]; var kid = kids[i];
assertWellFormed(IsRef(kid), assertWellFormed(isRef(kid),
'page dictionary kid is not a reference'); 'page dictionary kid is not a reference');
var obj = this.xref.fetch(kid); var obj = this.xref.fetch(kid);
if (IsDict(obj, 'Page') || (IsDict(obj) && !obj.has('Kids'))) { if (isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids'))) {
pageCache.push(new Page(this.xref, pageCache.length, obj, kid)); pageCache.push(new Page(this.xref, pageCache.length, obj, kid));
} else { // must be a child page dictionary } else { // must be a child page dictionary
assertWellFormed( assertWellFormed(
IsDict(obj), isDict(obj),
'page dictionary kid reference points to wrong type of object' 'page dictionary kid reference points to wrong type of object'
); );
this.traverseKids(obj); this.traverseKids(obj);
@ -3777,7 +3777,7 @@ var Catalog = (function catalogCatalog() {
get destinations() { get destinations() {
function fetchDestination(xref, ref) { function fetchDestination(xref, ref) {
var dest = xref.fetchIfRef(ref); var dest = xref.fetchIfRef(ref);
return IsDict(dest) ? dest.get('D') : dest; return isDict(dest) ? dest.get('D') : dest;
} }
var xref = this.xref; var xref = this.xref;
@ -4362,8 +4362,8 @@ var PartialEvaluator = (function partialEvaluator() {
var parser = new Parser(new Lexer(stream), false); var parser = new Parser(new Lexer(stream), false);
var args = [], argsArray = [], fnArray = [], obj; var args = [], argsArray = [], fnArray = [], obj;
while (!IsEOF(obj = parser.getObj())) { while (!isEOF(obj = parser.getObj())) {
if (IsCmd(obj)) { if (isCmd(obj)) {
var cmd = obj.cmd; var cmd = obj.cmd;
var fn = OP_MAP[cmd]; var fn = OP_MAP[cmd];
assertWellFormed(fn, "Unknown command '" + cmd + "'"); assertWellFormed(fn, "Unknown command '" + cmd + "'");
@ -4373,10 +4373,10 @@ var PartialEvaluator = (function partialEvaluator() {
// compile tiling patterns // compile tiling patterns
var patternName = args[args.length - 1]; var patternName = args[args.length - 1];
// SCN/scn applies patterns along with normal colors // SCN/scn applies patterns along with normal colors
if (IsName(patternName)) { if (isName(patternName)) {
var pattern = xref.fetchIfRef(patterns.get(patternName.name)); var pattern = xref.fetchIfRef(patterns.get(patternName.name));
if (pattern) { if (pattern) {
var dict = IsStream(pattern) ? pattern.dict : pattern; var dict = isStream(pattern) ? pattern.dict : pattern;
var typeNum = dict.get('PatternType'); var typeNum = dict.get('PatternType');
if (typeNum == 1) { if (typeNum == 1) {
patternName.code = this.evaluate(pattern, xref, patternName.code = this.evaluate(pattern, xref,
@ -4391,11 +4391,11 @@ var PartialEvaluator = (function partialEvaluator() {
var xobj = xobjs.get(name); var xobj = xobjs.get(name);
if (xobj) { if (xobj) {
xobj = xref.fetchIfRef(xobj); xobj = xref.fetchIfRef(xobj);
assertWellFormed(IsStream(xobj), 'XObject should be a stream'); assertWellFormed(isStream(xobj), 'XObject should be a stream');
var type = xobj.dict.get('Subtype'); var type = xobj.dict.get('Subtype');
assertWellFormed( assertWellFormed(
IsName(type), isName(type),
'XObject should have a Name subtype' 'XObject should have a Name subtype'
); );
@ -4412,7 +4412,7 @@ var PartialEvaluator = (function partialEvaluator() {
if (fontRes) { if (fontRes) {
fontRes = xref.fetchIfRef(fontRes); fontRes = xref.fetchIfRef(fontRes);
var font = xref.fetchIfRef(fontRes.get(args[0].name)); var font = xref.fetchIfRef(fontRes.get(args[0].name));
assertWellFormed(IsDict(font)); assertWellFormed(isDict(font));
if (!font.translated) { if (!font.translated) {
font.translated = this.translateFont(font, xref, resources); font.translated = this.translateFont(font, xref, resources);
if (fonts && font.translated) { if (fonts && font.translated) {
@ -4454,7 +4454,7 @@ var PartialEvaluator = (function partialEvaluator() {
var start = 0, end = 0; var start = 0, end = 0;
for (var i = 0; i < widths.length; i++) { for (var i = 0; i < widths.length; i++) {
var code = widths[i]; var code = widths[i];
if (IsArray(code)) { if (isArray(code)) {
for (var j = 0; j < code.length; j++) for (var j = 0; j < code.length; j++)
glyphsWidths[start++] = code[j]; glyphsWidths[start++] = code[j];
start = 0; start = 0;
@ -4471,7 +4471,7 @@ var PartialEvaluator = (function partialEvaluator() {
properties.widths = glyphsWidths; properties.widths = glyphsWidths;
var cidToGidMap = dict.get('CIDToGIDMap'); var cidToGidMap = dict.get('CIDToGIDMap');
if (!cidToGidMap || !IsRef(cidToGidMap)) { if (!cidToGidMap || !isRef(cidToGidMap)) {
return Object.create(GlyphsUnicode); return Object.create(GlyphsUnicode);
} }
@ -4493,11 +4493,11 @@ var PartialEvaluator = (function partialEvaluator() {
var width = glyphsWidths[code]; var width = glyphsWidths[code];
encoding[code] = { encoding[code] = {
unicode: glyphID, unicode: glyphID,
width: IsNum(width) ? width : defaultWidth width: isNum(width) ? width : defaultWidth
}; };
} }
} else if (type == 'CIDFontType0') { } else if (type == 'CIDFontType0') {
if (IsName(encoding)) { if (isName(encoding)) {
// Encoding is a predefined CMap // Encoding is a predefined CMap
if (encoding.name == 'Identity-H') { if (encoding.name == 'Identity-H') {
TODO('Need to create an identity cmap'); TODO('Need to create an identity cmap');
@ -4518,7 +4518,7 @@ var PartialEvaluator = (function partialEvaluator() {
var baseEncoding = null; var baseEncoding = null;
if (dict.has('Encoding')) { if (dict.has('Encoding')) {
encoding = xref.fetchIfRef(dict.get('Encoding')); encoding = xref.fetchIfRef(dict.get('Encoding'));
if (IsDict(encoding)) { if (isDict(encoding)) {
var baseName = encoding.get('BaseEncoding'); var baseName = encoding.get('BaseEncoding');
if (baseName) if (baseName)
baseEncoding = Encodings[baseName.name].slice(); baseEncoding = Encodings[baseName.name].slice();
@ -4529,13 +4529,13 @@ var PartialEvaluator = (function partialEvaluator() {
var index = 0; var index = 0;
for (var j = 0; j < diffEncoding.length; j++) { for (var j = 0; j < diffEncoding.length; j++) {
var data = diffEncoding[j]; var data = diffEncoding[j];
if (IsNum(data)) if (isNum(data))
index = data; index = data;
else else
differences[index++] = data.name; differences[index++] = data.name;
} }
} }
} else if (IsName(encoding)) { } else if (isName(encoding)) {
baseEncoding = Encodings[encoding.name].slice(); baseEncoding = Encodings[encoding.name].slice();
} else { } else {
error('Encoding is not a Name nor a Dict'); error('Encoding is not a Name nor a Dict');
@ -4572,7 +4572,7 @@ var PartialEvaluator = (function partialEvaluator() {
var width = widths[i] || widths[glyph]; var width = widths[i] || widths[glyph];
map[i] = { map[i] = {
unicode: index, unicode: index,
width: IsNum(width) ? width : properties.defaultWidth width: isNum(width) ? width : properties.defaultWidth
}; };
if (glyph) if (glyph)
@ -4590,12 +4590,12 @@ var PartialEvaluator = (function partialEvaluator() {
if (type == 'TrueType' && dict.has('ToUnicode') && differences) { if (type == 'TrueType' && dict.has('ToUnicode') && differences) {
var cmapObj = dict.get('ToUnicode'); var cmapObj = dict.get('ToUnicode');
if (IsRef(cmapObj)) { if (isRef(cmapObj)) {
cmapObj = xref.fetch(cmapObj); cmapObj = xref.fetch(cmapObj);
} }
if (IsName(cmapObj)) { if (isName(cmapObj)) {
error('ToUnicode file cmap translation not implemented'); error('ToUnicode file cmap translation not implemented');
} else if (IsStream(cmapObj)) { } else if (isStream(cmapObj)) {
var tokens = []; var tokens = [];
var token = ''; var token = '';
var beginArrayToken = {}; var beginArrayToken = {};
@ -4696,7 +4696,7 @@ var PartialEvaluator = (function partialEvaluator() {
var defaultWidth = 0; var defaultWidth = 0;
var widths = Metrics[stdFontMap[name] || name]; var widths = Metrics[stdFontMap[name] || name];
if (IsNum(widths)) { if (isNum(widths)) {
defaultWidth = widths; defaultWidth = widths;
widths = null; widths = null;
} }
@ -4712,7 +4712,7 @@ var PartialEvaluator = (function partialEvaluator() {
resources) { resources) {
var baseDict = dict; var baseDict = dict;
var type = dict.get('Subtype'); var type = dict.get('Subtype');
assertWellFormed(IsName(type), 'invalid font Subtype'); assertWellFormed(isName(type), 'invalid font Subtype');
var composite = false; var composite = false;
if (type.name == 'Type0') { if (type.name == 'Type0') {
@ -4724,13 +4724,13 @@ var PartialEvaluator = (function partialEvaluator() {
if (!df) if (!df)
return null; return null;
if (IsRef(df)) if (isRef(df))
df = xref.fetch(df); df = xref.fetch(df);
dict = xref.fetch(IsRef(df) ? df : df[0]); dict = xref.fetch(isRef(df) ? df : df[0]);
type = dict.get('Subtype'); type = dict.get('Subtype');
assertWellFormed(IsName(type), 'invalid font Subtype'); assertWellFormed(isName(type), 'invalid font Subtype');
composite = true; composite = true;
} }
@ -4740,7 +4740,7 @@ var PartialEvaluator = (function partialEvaluator() {
var descriptor = xref.fetchIfRef(dict.get('FontDescriptor')); var descriptor = xref.fetchIfRef(dict.get('FontDescriptor'));
if (!descriptor) { if (!descriptor) {
var baseFontName = dict.get('BaseFont'); var baseFontName = dict.get('BaseFont');
if (!IsName(baseFontName)) if (!isName(baseFontName))
return null; return null;
// Using base font name as a font name. // Using base font name as a font name.
@ -4783,7 +4783,7 @@ var PartialEvaluator = (function partialEvaluator() {
} else { } else {
// Trying get the BaseFont metrics (see comment above). // Trying get the BaseFont metrics (see comment above).
var baseFontName = dict.get('BaseFont'); var baseFontName = dict.get('BaseFont');
if (IsName(baseFontName)) { if (isName(baseFontName)) {
var metricsAndMap = this.getBaseFontMetricsAndMap(baseFontName.name); var metricsAndMap = this.getBaseFontMetricsAndMap(baseFontName.name);
glyphWidths = metricsAndMap.widths; glyphWidths = metricsAndMap.widths;
@ -4793,7 +4793,7 @@ var PartialEvaluator = (function partialEvaluator() {
} }
var fontName = xref.fetchIfRef(descriptor.get('FontName')); var fontName = xref.fetchIfRef(descriptor.get('FontName'));
assertWellFormed(IsName(fontName), 'invalid font name'); assertWellFormed(isName(fontName), 'invalid font name');
var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3'); var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3');
if (fontFile) { if (fontFile) {
@ -4804,11 +4804,11 @@ var PartialEvaluator = (function partialEvaluator() {
subtype = subtype.name; subtype = subtype.name;
var length1 = fontFile.dict.get('Length1'); var length1 = fontFile.dict.get('Length1');
if (!IsInt(length1)) if (!isInt(length1))
length1 = xref.fetchIfRef(length1); length1 = xref.fetchIfRef(length1);
var length2 = fontFile.dict.get('Length2'); var length2 = fontFile.dict.get('Length2');
if (!IsInt(length2)) if (!isInt(length2))
length2 = xref.fetchIfRef(length2); length2 = xref.fetchIfRef(length2);
} }
} }
@ -4983,7 +4983,7 @@ var CanvasGraphics = (function canvasGraphics() {
}, },
setGState: function canvasGraphicsSetGState(dictName) { setGState: function canvasGraphicsSetGState(dictName) {
var extGState = this.xref.fetchIfRef(this.res.get('ExtGState')); var extGState = this.xref.fetchIfRef(this.res.get('ExtGState'));
if (IsDict(extGState) && extGState.has(dictName.name)) { if (isDict(extGState) && extGState.has(dictName.name)) {
var gsState = this.xref.fetchIfRef(extGState.get(dictName.name)); var gsState = this.xref.fetchIfRef(extGState.get(dictName.name));
var self = this; var self = this;
gsState.forEach(function canvasGraphicsSetGStateForEach(key, value) { gsState.forEach(function canvasGraphicsSetGStateForEach(key, value) {
@ -5209,13 +5209,13 @@ var CanvasGraphics = (function canvasGraphics() {
setFont: function canvasGraphicsSetFont(fontRef, size) { setFont: function canvasGraphicsSetFont(fontRef, size) {
var font; var font;
// the tf command uses a name, but graphics state uses a reference // the tf command uses a name, but graphics state uses a reference
if (IsName(fontRef)) { if (isName(fontRef)) {
font = this.xref.fetchIfRef(this.res.get('Font')); font = this.xref.fetchIfRef(this.res.get('Font'));
if (!IsDict(font)) if (!isDict(font))
return; return;
font = font.get(fontRef.name); font = font.get(fontRef.name);
} else if (IsRef(fontRef)) { } else if (isRef(fontRef)) {
font = fontRef; font = fontRef;
} }
font = this.xref.fetchIfRef(font); font = this.xref.fetchIfRef(font);
@ -5317,13 +5317,13 @@ var CanvasGraphics = (function canvasGraphics() {
var arrLength = arr.length; var arrLength = arr.length;
for (var i = 0; i < arrLength; ++i) { for (var i = 0; i < arrLength; ++i) {
var e = arr[i]; var e = arr[i];
if (IsNum(e)) { if (isNum(e)) {
if (ctx.$addCurrentX) { if (ctx.$addCurrentX) {
ctx.$addCurrentX(-e * 0.001 * fontSize); ctx.$addCurrentX(-e * 0.001 * fontSize);
} else { } else {
current.x -= e * 0.001 * fontSize * textHScale; current.x -= e * 0.001 * fontSize * textHScale;
} }
} else if (IsString(e)) { } else if (isString(e)) {
this.showText(e); this.showText(e);
} else { } else {
malformed('TJ array element ' + e + ' is not string or num'); malformed('TJ array element ' + e + ' is not string or num');
@ -5497,7 +5497,7 @@ var CanvasGraphics = (function canvasGraphics() {
if (!xobj) if (!xobj)
return; return;
xobj = this.xref.fetchIfRef(xobj); xobj = this.xref.fetchIfRef(xobj);
assertWellFormed(IsStream(xobj), 'XObject should be a stream'); assertWellFormed(isStream(xobj), 'XObject should be a stream');
var oc = xobj.dict.get('OC'); var oc = xobj.dict.get('OC');
if (oc) { if (oc) {
@ -5510,7 +5510,7 @@ var CanvasGraphics = (function canvasGraphics() {
} }
var type = xobj.dict.get('Subtype'); var type = xobj.dict.get('Subtype');
assertWellFormed(IsName(type), 'XObject should have a Name subtype'); assertWellFormed(isName(type), 'XObject should have a Name subtype');
if ('Image' == type.name) { if ('Image' == type.name) {
this.paintImageXObject(obj, xobj, false); this.paintImageXObject(obj, xobj, false);
} else if ('Form' == type.name) { } else if ('Form' == type.name) {
@ -5526,11 +5526,11 @@ var CanvasGraphics = (function canvasGraphics() {
this.save(); this.save();
var matrix = stream.dict.get('Matrix'); var matrix = stream.dict.get('Matrix');
if (matrix && IsArray(matrix) && 6 == matrix.length) if (matrix && isArray(matrix) && 6 == matrix.length)
this.transform.apply(this, matrix); this.transform.apply(this, matrix);
var bbox = stream.dict.get('BBox'); var bbox = stream.dict.get('BBox');
if (bbox && IsArray(bbox) && 4 == bbox.length) { if (bbox && isArray(bbox) && 4 == bbox.length) {
this.rectangle.apply(this, bbox); this.rectangle.apply(this, bbox);
this.clip(); this.clip();
this.endPath(); this.endPath();
@ -5687,9 +5687,9 @@ var ColorSpace = (function colorSpaceColorSpace() {
}; };
constructor.parse = function colorspace_parse(cs, xref, res) { constructor.parse = function colorspace_parse(cs, xref, res) {
if (IsName(cs)) { if (isName(cs)) {
var colorSpaces = xref.fetchIfRef(res.get('ColorSpace')); var colorSpaces = xref.fetchIfRef(res.get('ColorSpace'));
if (IsDict(colorSpaces)) { if (isDict(colorSpaces)) {
var refcs = colorSpaces.get(cs.name); var refcs = colorSpaces.get(cs.name);
if (refcs) if (refcs)
cs = refcs; cs = refcs;
@ -5698,7 +5698,7 @@ var ColorSpace = (function colorSpaceColorSpace() {
cs = xref.fetchIfRef(cs); cs = xref.fetchIfRef(cs);
if (IsName(cs)) { if (isName(cs)) {
var mode = cs.name; var mode = cs.name;
this.mode = mode; this.mode = mode;
@ -5717,7 +5717,7 @@ var ColorSpace = (function colorSpaceColorSpace() {
default: default:
error('unrecognized colorspace ' + mode); error('unrecognized colorspace ' + mode);
} }
} else if (IsArray(cs)) { } else if (isArray(cs)) {
var mode = cs[0].name; var mode = cs[0].name;
this.mode = mode; this.mode = mode;
@ -5835,10 +5835,10 @@ var IndexedCS = (function indexedCS() {
var length = baseNumComps * highVal; var length = baseNumComps * highVal;
var lookupArray = new Uint8Array(length); var lookupArray = new Uint8Array(length);
if (IsStream(lookup)) { if (isStream(lookup)) {
var bytes = lookup.getBytes(length); var bytes = lookup.getBytes(length);
lookupArray.set(bytes); lookupArray.set(bytes);
} else if (IsString(lookup)) { } else if (isString(lookup)) {
for (var i = 0; i < length; ++i) for (var i = 0; i < length; ++i)
lookupArray[i] = lookup.charCodeAt(i); lookupArray[i] = lookup.charCodeAt(i);
} else { } else {
@ -6034,7 +6034,7 @@ var Pattern = (function patternPattern() {
var length = args.length; var length = args.length;
var patternName = args[length - 1]; var patternName = args[length - 1];
if (!IsName(patternName)) if (!isName(patternName))
error('Bad args to getPattern: ' + patternName); error('Bad args to getPattern: ' + patternName);
var patternRes = xref.fetchIfRef(res.get('Pattern')); var patternRes = xref.fetchIfRef(res.get('Pattern'));
@ -6042,7 +6042,7 @@ var Pattern = (function patternPattern() {
error('Unable to find pattern resource'); error('Unable to find pattern resource');
var pattern = xref.fetchIfRef(patternRes.get(patternName.name)); var pattern = xref.fetchIfRef(patternRes.get(patternName.name));
var dict = IsStream(pattern) ? pattern.dict : pattern; var dict = isStream(pattern) ? pattern.dict : pattern;
var typeNum = dict.get('PatternType'); var typeNum = dict.get('PatternType');
switch (typeNum) { switch (typeNum) {
@ -6073,7 +6073,7 @@ var Pattern = (function patternPattern() {
constructor.parseShading = function pattern_shading(shading, matrix, constructor.parseShading = function pattern_shading(shading, matrix,
xref, res, ctx) { xref, res, ctx) {
var dict = IsStream(shading) ? shading.dict : shading; var dict = isStream(shading) ? shading.dict : shading;
var type = dict.get('ShadingType'); var type = dict.get('ShadingType');
switch (type) { switch (type) {
@ -6136,9 +6136,9 @@ var RadialAxialShading = (function radialAxialShading() {
var fnObj = dict.get('Function'); var fnObj = dict.get('Function');
fnObj = xref.fetchIfRef(fnObj); fnObj = xref.fetchIfRef(fnObj);
if (IsArray(fnObj)) if (isArray(fnObj))
error('No support for array of functions'); error('No support for array of functions');
else if (!IsPDFFunction(fnObj)) else if (!isPDFFunction(fnObj))
error('Invalid function'); error('Invalid function');
var fn = new PDFFunction(xref, fnObj); var fn = new PDFFunction(xref, fnObj);
@ -6285,7 +6285,7 @@ var TilingPattern = (function tilingPattern() {
graphics.transform.apply(graphics, tmpScale); graphics.transform.apply(graphics, tmpScale);
graphics.transform.apply(graphics, tmpTranslate); graphics.transform.apply(graphics, tmpTranslate);
if (bbox && IsArray(bbox) && 4 == bbox.length) { if (bbox && isArray(bbox) && 4 == bbox.length) {
graphics.rectangle.apply(graphics, bbox); graphics.rectangle.apply(graphics, bbox);
graphics.clip(); graphics.clip();
graphics.endPath(); graphics.endPath();
@ -6678,7 +6678,7 @@ var PDFFunction = (function pdfFunction() {
var c1 = dict.get('C1') || [1]; var c1 = dict.get('C1') || [1];
var n = dict.get('N'); var n = dict.get('N');
if (!IsArray(c0) || !IsArray(c1)) if (!isArray(c0) || !isArray(c1))
error('Illegal dictionary for interpolated function'); error('Illegal dictionary for interpolated function');
var length = c0.length; var length = c0.length;

2
utils/fonts_utils.js
Unescape View File

@ -258,7 +258,7 @@ var Type2Parser = function(aFilePath) {
var count = decoded.length; var count = decoded.length;
for (var i = 0; i < count; i++) { for (var i = 0; i < count; i++) {
var token = decoded[i]; var token = decoded[i];
if (IsNum(token)) { if (isNum(token)) {
stack.push(token); stack.push(token);
} else { } else {
switch (token.operand) { switch (token.operand) {

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