Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into zoom-bookmark

This commit is contained in:
notmasteryet 2011-09-04 18:46:26 -05:00
commit 7795d3fa4e
2 changed files with 80 additions and 61 deletions

View File

@ -1439,7 +1439,6 @@ var Type1Parser = function() {
var charstring = [];
var lsb = 0;
var width = 0;
var used = false;
var value = '';
var count = array.length;
@ -1458,7 +1457,7 @@ var Type1Parser = function() {
for (var j = 0; j < argc; j++)
charstring.push('drop');
// If the flex mechanishm is not used in a font program, Adobe
// If the flex mechanism is not used in a font program, Adobe
// state that that entries 0, 1 and 2 can simply be replace by
// {}, which means that we can simply ignore them.
if (index < 3) {
@ -1467,6 +1466,7 @@ var Type1Parser = function() {
// This is the same things about hint replacement, if it is not used
// entry 3 can be replaced by {3}
// TODO support hint replacment
if (index == 3) {
charstring.push(3);
i++;
@ -1477,7 +1477,7 @@ var Type1Parser = function() {
command = charStringDictionary['12'][escape];
} else {
// TODO Clean this code
if (value == 13) {
if (value == 13) { //hsbw
if (charstring.length == 2) {
lsb = charstring[0];
width = charstring[1];
@ -1509,7 +1509,7 @@ var Type1Parser = function() {
} else if (command == -1) {
error('Support for Type1 command ' + value +
' (' + escape + ') is not implemented in charstring: ' +
charString);
charstring);
}
value = command;
@ -1535,7 +1535,11 @@ var Type1Parser = function() {
* array extracted from and eexec encrypted block of data
*/
function readNumberArray(str, index) {
var start = ++index;
var start = index;
while (str[index++] != '[')
start++;
start++;
var count = 0;
while (str[index++] != ']')
count++;
@ -1569,7 +1573,9 @@ var Type1Parser = function() {
subrs: [],
charstrings: [],
properties: {
'private': {}
'private': {
'lenIV': 4
}
}
};
@ -1592,9 +1598,12 @@ var Type1Parser = function() {
};
var c = eexecStr[i];
if ((glyphsSection || subrsSection) && c == 'R') {
var data = eexec.slice(i + 3, i + 3 + length);
var encoded = decrypt(data, kCharStringsEncryptionKey, 4);
if ((glyphsSection || subrsSection) &&
(token == 'RD' || token == '-|')) {
i++;
var data = eexec.slice(i, i + length);
var lenIV = program.properties.private['lenIV'];
var encoded = decrypt(data, kCharStringsEncryptionKey, lenIV);
var str = decodeCharString(encoded);
if (glyphsSection) {
@ -1607,7 +1616,8 @@ var Type1Parser = function() {
} else {
program.subrs.push(str.charstring);
}
i += length + 3;
i += length;
token = '';
} else if (c == ' ' || c == '\n') {
length = parseInt(token);
token = '';
@ -1624,7 +1634,7 @@ var Type1Parser = function() {
getToken(); // read in 'array'
for (var j = 0; j < num; ++j) {
var t = getToken(); // read in 'dup'
if (t == 'ND')
if (t == 'ND' || t == '|-' || t == 'noaccess')
break;
var index = parseInt(getToken());
if (index > j)
@ -1632,10 +1642,13 @@ var Type1Parser = function() {
var length = parseInt(getToken());
getToken(); // read in 'RD'
var data = eexec.slice(i + 1, i + 1 + length);
var encoded = decrypt(data, kCharStringsEncryptionKey, 4);
var lenIV = program.properties.private['lenIV'];
var encoded = decrypt(data, kCharStringsEncryptionKey, lenIV);
var str = decodeCharString(encoded);
i = i + 1 + length;
getToken(); //read in 'NP'
t = getToken(); //read in 'NP'
if (t == 'noaccess')
getToken(); //read in 'put'
program.subrs[index] = str.charstring;
}
break;
@ -1646,7 +1659,7 @@ var Type1Parser = function() {
case '/StemSnapH':
case '/StemSnapV':
program.properties.private[token.substring(1)] =
readNumberArray(eexecStr, i + 2);
readNumberArray(eexecStr, i + 1);
break;
case '/StdHW':
case '/StdVW':
@ -1654,6 +1667,7 @@ var Type1Parser = function() {
readNumberArray(eexecStr, i + 2)[0];
break;
case '/BlueShift':
case '/lenIV':
case '/BlueFuzz':
case '/BlueScale':
case '/LanguageGroup':
@ -1821,7 +1835,7 @@ var CFF = function(name, file, properties) {
// Decrypt the data blocks and retrieve it's content
var eexecBlock = file.getBytes(length2);
var data = type1Parser.extractFontProgram(eexecBlock, properties);
var data = type1Parser.extractFontProgram(eexecBlock);
for (var info in data.properties)
properties[info] = data.properties[info];
@ -1929,7 +1943,7 @@ CFF.prototype = {
return type2Charstrings;
},
getType2Subrs: function cff_getType2Charstrings(type1Subrs) {
getType2Subrs: function cff_getType2Subrs(type1Subrs) {
var bias = 0;
var count = type1Subrs.length;
if (count < 1240)
@ -1987,11 +2001,10 @@ CFF.prototype = {
var cmd = map[command];
assert(cmd, 'Unknow command: ' + command);
if (IsArray(cmd)) {
if (IsArray(cmd))
charstring.splice(i++, 1, cmd[0], cmd[1]);
} else {
else
charstring[i] = cmd;
}
} else {
// Type1 charstring use a division for number above 32000
if (command > 32000) {
@ -2110,7 +2123,8 @@ CFF.prototype = {
ExpansionFactor: '\x0c\x18'
};
for (var field in fieldMap) {
if (!properties.private.hasOwnProperty(field)) continue;
if (!properties.private.hasOwnProperty(field))
continue;
var value = properties.private[field];
if (IsArray(value)) {

87
pdf.js
View File

@ -1,4 +1,4 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
@ -18,6 +18,16 @@ function warn(msg) {
log('Warning: ' + msg);
}
function backtrace() {
var stackStr;
try {
throw new Error();
} catch (e) {
stackStr = e.stack;
}
return stackStr.split('\n').slice(1).join('\n');
}
function error(msg) {
log(backtrace());
throw new Error(msg);
@ -44,23 +54,13 @@ function assertWellFormed(cond, msg) {
malformed(msg);
}
function backtrace() {
var stackStr;
try {
throw new Error();
} catch (e) {
stackStr = e.stack;
}
return stackStr.split('\n').slice(1).join('\n');
}
function shadow(obj, prop, value) {
try {
Object.defineProperty(obj, prop, { value: value,
enumerable: true,
configurable: true,
writable: false });
} catch(e) {
} catch (e) {
obj.__defineGetter__(prop, function() {
return value;
});
@ -185,7 +185,7 @@ var DecodeStream = (function() {
var buffer2 = new Uint8Array(size);
for (var i = 0; i < current; ++i)
buffer2[i] = buffer[i];
return this.buffer = buffer2;
return (this.buffer = buffer2);
},
getByte: function decodestream_getByte() {
var pos = this.pos;
@ -197,11 +197,11 @@ var DecodeStream = (function() {
return this.buffer[this.pos++];
},
getBytes: function decodestream_getBytes(length) {
var pos = this.pos;
var end, pos = this.pos;
if (length) {
this.ensureBuffer(pos + length);
var end = pos + length;
end = pos + length;
while (!this.eof && this.bufferLength < end)
this.readBlock();
@ -213,7 +213,7 @@ var DecodeStream = (function() {
while (!this.eof)
this.readBlock();
var end = this.bufferLength;
end = this.bufferLength;
// checking if bufferLength is still 0 then
// the buffer has to be initialized
@ -265,7 +265,7 @@ var FakeStream = (function() {
function constructor(stream) {
this.dict = stream.dict;
DecodeStream.call(this);
};
}
constructor.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlock = function() {
@ -532,8 +532,8 @@ var FlateStream = (function() {
constructor.prototype.readBlock = function() {
function repeat(stream, array, len, offset, what) {
var repeat = stream.getBits(len) + offset;
while (repeat-- > 0)
var repeatLength = stream.getBits(len) + offset;
while (repeatLength-- > 0)
array[i++] = what;
}
@ -821,8 +821,8 @@ var PredictorStream = (function() {
currentRow[i] = up + c;
else
currentRow[i] = upLeft + c;
break;
}
break;
default:
error('Unsupported predictor: ' + predictor);
break;
@ -1621,6 +1621,7 @@ var CCITTFaxStream = (function() {
this.err = false;
var code1, code2, code3;
if (this.nextLine2D) {
for (var i = 0; codingLine[i] < columns; ++i)
refLine[i] = codingLine[i];
@ -1633,7 +1634,7 @@ var CCITTFaxStream = (function() {
blackPixels = 0;
while (codingLine[this.codingPos] < columns) {
var code1 = this.getTwoDimCode();
code1 = this.getTwoDimCode();
switch (code1) {
case twoDimPass:
this.addPixels(refLine[refPos + 1], blackPixels);
@ -1641,9 +1642,8 @@ var CCITTFaxStream = (function() {
refPos += 2;
break;
case twoDimHoriz:
var code1 = 0, code2 = 0;
code1 = code2 = 0;
if (blackPixels) {
var code3;
do {
code1 += (code3 = this.getBlackCode());
} while (code3 >= 64);
@ -1651,7 +1651,6 @@ var CCITTFaxStream = (function() {
code2 += (code3 = this.getWhiteCode());
} while (code3 >= 64);
} else {
var code3;
do {
code1 += (code3 = this.getWhiteCode());
} while (code3 >= 64);
@ -1831,7 +1830,6 @@ var CCITTFaxStream = (function() {
this.eof = true;
}
} else if (this.err && this.eoline) {
var code1;
while (true) {
code1 = this.lookBits(13);
if (code1 == EOF) {
@ -2403,7 +2401,7 @@ var Lexer = (function() {
var floating = false;
var str = ch;
var stream = this.stream;
do {
for (;;) {
ch = stream.lookChar();
if (ch == '.' && !floating) {
str += ch;
@ -2421,7 +2419,7 @@ var Lexer = (function() {
break;
}
stream.skip();
} while (true);
}
var value = parseFloat(str);
if (isNaN(value))
error('Invalid floating point number: ' + value);
@ -2541,7 +2539,7 @@ var Lexer = (function() {
getHexString: function(ch) {
var str = '';
var stream = this.stream;
while (1) {
for (;;) {
ch = stream.getChar();
if (ch == '>') {
break;
@ -3378,15 +3376,15 @@ var Page = (function() {
rotatePoint: function(x, y) {
var rotate = this.rotate;
switch (rotate) {
default:
case 0:
return {x: x, y: this.height - y};
case 180:
return {x: this.width - x, y: y};
case 90:
return {x: this.width - y, y: this.height - x};
case 270:
return {x: y, y: x};
case 0:
default:
return {x: x, y: this.height - y};
}
},
getLinks: function() {
@ -3548,7 +3546,7 @@ var Catalog = (function() {
}
},
get destinations() {
function fetchDestination(ref) {
function fetchDestination(xref, ref) {
var dest = xref.fetchIfRef(ref);
return IsDict(dest) ? dest.get('D') : dest;
}
@ -3566,7 +3564,7 @@ var Catalog = (function() {
obj = xref.fetchIfRef(nameDictionaryRef);
obj.forEach(function(key, value) {
if (!value) return;
dests[key] = fetchDestination(value);
dests[key] = fetchDestination(xref, value);
});
}
if (nameTreeRef) {
@ -3590,7 +3588,7 @@ var Catalog = (function() {
}
var names = obj.get('Names');
for (i = 0, n = names.length; i < n; i += 2) {
dests[names[i]] = fetchDestination(names[i + 1]);
dests[names[i]] = fetchDestination(xref, names[i + 1]);
}
}
}
@ -4268,11 +4266,11 @@ var PartialEvaluator = (function() {
} else if (IsName(encoding)) {
baseEncoding = Encodings[encoding.name].slice();
} else {
error("Encoding is not a Name nor a Dict");
error('Encoding is not a Name nor a Dict');
}
}
var fontType = subType.name;
var fontType = subType.name;
if (!baseEncoding) {
switch (fontType) {
case 'TrueType':
@ -4300,11 +4298,18 @@ var PartialEvaluator = (function() {
var glyphsMap = {};
for (var i = firstChar; i <= lastChar; i++) {
var glyph = diffEncoding[i] || baseEncoding[i];
if (glyph)
glyphsMap[glyph] = encodingMap[i] = GlyphsUnicode[glyph] || i;
if (glyph) {
var index = GlyphsUnicode[glyph] || i;
glyphsMap[glyph] = encodingMap[i] = index;
var kCmapGlyphOffset = 0xE000;
if (index <= 0x1f || (index >= 127 && index <= 255))
glyphsMap[glyph] = encodingMap[i] += kCmapGlyphOffset;
}
}
if (fontType == 'TrueType' && fontDict.has('ToUnicode') && differences) {
if (fontType == 'TrueType' && fontDict.has('ToUnicode') &&
differences) {
var cmapObj = xref.fetchIfRef(fontDict.get('ToUnicode'));
if (IsName(cmapObj)) {
error('ToUnicode file cmap translation not implemented');
@ -4803,8 +4808,8 @@ var CanvasGraphics = (function() {
size = (size <= kRasterizerMin) ? size * kScalePrecision : size;
var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold')
: (fontObj.bold ? 'bold' : 'normal');
var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') :
(fontObj.bold ? 'bold' : 'normal');
var italic = fontObj.italic ? 'italic' : 'normal';
var rule = italic + ' ' + bold + ' ' + size + 'px "' + name + '"';