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Commit 954d4e52 authored by Thomas Müller's avatar Thomas Müller
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No need to keep the 'source files' in here, because the latest 'git master' release can be pulled 

from http://mozilla.github.com/pdf.js/build/pdf.js

README added to document the fact stated above
update.sh added for easy update of pdfjs

CAUTION:
Don't update before OC4! API has been changed and we need to adopt files_pdfviewer
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Upstream (http://mozilla.github.com/pdf.js/) does not yet provide releases.
The latest version of git master can be taken from http://mozilla.github.com/pdf.js/build/pdf.js
Please update pdf.js from time to time and test it!
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
var bidi = PDFJS.bidi = (function bidiClosure() {
// Character types for symbols from 0000 to 00FF.
var baseTypes = [
'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS',
'B', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN',
'BN', 'BN', 'B', 'B', 'B', 'S', 'WS', 'ON', 'ON', 'ET', 'ET', 'ET', 'ON',
'ON', 'ON', 'ON', 'ON', 'ON', 'CS', 'ON', 'CS', 'ON', 'EN', 'EN', 'EN',
'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'ON', 'ON', 'ON', 'ON', 'ON',
'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'ON', 'ON',
'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'ON', 'ON', 'ON', 'ON', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'B', 'BN',
'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN',
'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN',
'BN', 'CS', 'ON', 'ET', 'ET', 'ET', 'ET', 'ON', 'ON', 'ON', 'ON', 'L', 'ON',
'ON', 'ON', 'ON', 'ON', 'ET', 'ET', 'EN', 'EN', 'ON', 'L', 'ON', 'ON', 'ON',
'EN', 'L', 'ON', 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
'L', 'L', 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L'
];
// Character types for symbols from 0600 to 06FF
var arabicTypes = [
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'CS', 'AL', 'ON', 'ON', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM',
'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN',
'AN', 'ET', 'AN', 'AN', 'AL', 'AL', 'AL', 'NSM', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM',
'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'ON', 'NSM',
'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL'
];
function isOdd(i) {
return (i & 1) != 0;
}
function isEven(i) {
return (i & 1) == 0;
}
function findUnequal(arr, start, value) {
var j;
for (var j = start, jj = arr.length; j < jj; ++j) {
if (arr[j] != value)
return j;
}
return j;
}
function setValues(arr, start, end, value) {
for (var j = start; j < end; ++j) {
arr[j] = value;
}
}
function reverseValues(arr, start, end) {
for (var i = start, j = end - 1; i < j; ++i, --j) {
var temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
function mirrorGlyphs(c) {
/*
# BidiMirroring-1.txt
0028; 0029 # LEFT PARENTHESIS
0029; 0028 # RIGHT PARENTHESIS
003C; 003E # LESS-THAN SIGN
003E; 003C # GREATER-THAN SIGN
005B; 005D # LEFT SQUARE BRACKET
005D; 005B # RIGHT SQUARE BRACKET
007B; 007D # LEFT CURLY BRACKET
007D; 007B # RIGHT CURLY BRACKET
00AB; 00BB # LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
00BB; 00AB # RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
*/
switch (c) {
case '(':
return ')';
case ')':
return '(';
case '<':
return '>';
case '>':
return '<';
case ']':
return '[';
case '[':
return ']';
case '}':
return '{';
case '{':
return '}';
case '\u00AB':
return '\u00BB';
case '\u00BB':
return '\u00AB';
default:
return c;
}
}
function bidi(text, startLevel) {
var str = text.str;
var strLength = str.length;
if (strLength == 0)
return str;
// get types, fill arrays
var chars = [];
var types = [];
var oldtypes = [];
var numBidi = 0;
for (var i = 0; i < strLength; ++i) {
chars[i] = str.charAt(i);
var charCode = str.charCodeAt(i);
var charType = 'L';
if (charCode <= 0x00ff)
charType = baseTypes[charCode];
else if (0x0590 <= charCode && charCode <= 0x05f4)
charType = 'R';
else if (0x0600 <= charCode && charCode <= 0x06ff)
charType = arabicTypes[charCode & 0xff];
else if (0x0700 <= charCode && charCode <= 0x08AC)
charType = 'AL';
if (charType == 'R' || charType == 'AL' || charType == 'AN')
numBidi++;
oldtypes[i] = types[i] = charType;
}
// detect the bidi method
// if there are no rtl characters then no bidi needed
// if less than 30% chars are rtl then string is primarily ltr
// if more than 30% chars are rtl then string is primarily rtl
if (numBidi == 0) {
text.direction = 'ltr';
return str;
}
if (startLevel == -1) {
if ((strLength / numBidi) < 0.3) {
text.direction = 'ltr';
startLevel = 0;
} else {
text.direction = 'rtl';
startLevel = 1;
}
}
var levels = [];
for (var i = 0; i < strLength; ++i) {
levels[i] = startLevel;
}
/*
X1-X10: skip most of this, since we are NOT doing the embeddings.
*/
var e = isOdd(startLevel) ? 'R' : 'L';
var sor = e;
var eor = sor;
/*
W1. Examine each non-spacing mark (NSM) in the level run, and change the
type of the NSM to the type of the previous character. If the NSM is at the
start of the level run, it will get the type of sor.
*/
var lastType = sor;
for (var i = 0; i < strLength; ++i) {
if (types[i] == 'NSM')
types[i] = lastType;
else
lastType = types[i];
}
/*
W2. Search backwards from each instance of a European number until the
first strong type (R, L, AL, or sor) is found. If an AL is found, change
the type of the European number to Arabic number.
*/
var lastType = sor;
for (var i = 0; i < strLength; ++i) {
var t = types[i];
if (t == 'EN')
types[i] = (lastType == 'AL') ? 'AN' : 'EN';
else if (t == 'R' || t == 'L' || t == 'AL')
lastType = t;
}
/*
W3. Change all ALs to R.
*/
for (var i = 0; i < strLength; ++i) {
var t = types[i];
if (t == 'AL')
types[i] = 'R';
}
/*
W4. A single European separator between two European numbers changes to a
European number. A single common separator between two numbers of the same
type changes to that type:
*/
for (var i = 1; i < strLength - 1; ++i) {
if (types[i] == 'ES' && types[i - 1] == 'EN' && types[i + 1] == 'EN')
types[i] = 'EN';
if (types[i] == 'CS' && (types[i - 1] == 'EN' || types[i - 1] == 'AN') &&
types[i + 1] == types[i - 1])
types[i] = types[i - 1];
}
/*
W5. A sequence of European terminators adjacent to European numbers changes
to all European numbers:
*/
for (var i = 0; i < strLength; ++i) {
if (types[i] == 'EN') {
// do before
for (var j = i - 1; j >= 0; --j) {
if (types[j] != 'ET')
break;
types[j] = 'EN';
}
// do after
for (var j = i + 1; j < strLength; --j) {
if (types[j] != 'ET')
break;
types[j] = 'EN';
}
}
}
/*
W6. Otherwise, separators and terminators change to Other Neutral:
*/
for (var i = 0; i < strLength; ++i) {
var t = types[i];
if (t == 'WS' || t == 'ES' || t == 'ET' || t == 'CS')
types[i] = 'ON';
}
/*
W7. Search backwards from each instance of a European number until the
first strong type (R, L, or sor) is found. If an L is found, then change
the type of the European number to L.
*/
var lastType = sor;
for (var i = 0; i < strLength; ++i) {
var t = types[i];
if (t == 'EN')
types[i] = (lastType == 'L') ? 'L' : 'EN';
else if (t == 'R' || t == 'L')
lastType = t;
}
/*
N1. A sequence of neutrals takes the direction of the surrounding strong
text if the text on both sides has the same direction. European and Arabic
numbers are treated as though they were R. Start-of-level-run (sor) and
end-of-level-run (eor) are used at level run boundaries.
*/
for (var i = 0; i < strLength; ++i) {
if (types[i] == 'ON') {
var end = findUnequal(types, i + 1, 'ON');
var before = sor;
if (i > 0)
before = types[i - 1];
var after = eor;
if (end + 1 < strLength)
after = types[end + 1];
if (before != 'L')
before = 'R';
if (after != 'L')
after = 'R';
if (before == after)
setValues(types, i, end, before);
i = end - 1; // reset to end (-1 so next iteration is ok)
}
}
/*
N2. Any remaining neutrals take the embedding direction.
*/
for (var i = 0; i < strLength; ++i) {
if (types[i] == 'ON')
types[i] = e;
}
/*
I1. For all characters with an even (left-to-right) embedding direction,
those of type R go up one level and those of type AN or EN go up two
levels.
I2. For all characters with an odd (right-to-left) embedding direction,
those of type L, EN or AN go up one level.
*/
for (var i = 0; i < strLength; ++i) {
var t = types[i];
if (isEven(levels[i])) {
if (t == 'R') {
levels[i] += 1;
} else if (t == 'AN' || t == 'EN') {
levels[i] += 2;
}
} else { // isOdd, so
if (t == 'L' || t == 'AN' || t == 'EN') {
levels[i] += 1;
}
}
}
/*
L1. On each line, reset the embedding level of the following characters to
the paragraph embedding level:
segment separators,
paragraph separators,
any sequence of whitespace characters preceding a segment separator or
paragraph separator, and any sequence of white space characters at the end
of the line.
*/
// don't bother as text is only single line
/*
L2. From the highest level found in the text to the lowest odd level on
each line, reverse any contiguous sequence of characters that are at that
level or higher.
*/
// find highest level & lowest odd level
var highestLevel = -1;
var lowestOddLevel = 99;
for (var i = 0, ii = levels.length; i < ii; ++i) {
var level = levels[i];
if (highestLevel < level)
highestLevel = level;
if (lowestOddLevel > level && isOdd(level))
lowestOddLevel = level;
}
// now reverse between those limits
for (var level = highestLevel; level >= lowestOddLevel; --level) {
// find segments to reverse
var start = -1;
for (var i = 0, ii = levels.length; i < ii; ++i) {
if (levels[i] < level) {
if (start >= 0) {
reverseValues(chars, start, i);
start = -1;
}
} else if (start < 0) {
start = i;
}
}
if (start >= 0) {
reverseValues(chars, start, levels.length);
}
}
/*
L3. Combining marks applied to a right-to-left base character will at this
point precede their base character. If the rendering engine expects them to
follow the base characters in the final display process, then the ordering
of the marks and the base character must be reversed.
*/
// don't bother for now
/*
L4. A character that possesses the mirrored property as specified by
Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved
directionality of that character is R.
*/
// don't mirror as characters are already mirrored in the pdf
// Finally, return string
var result = '';
for (var i = 0, ii = chars.length; i < ii; ++i) {
var ch = chars[i];
if (ch != '<' && ch != '>')
result += ch;
}
return result;
}
return bidi;
})();
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
var ISOAdobeCharset = [
'.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar',
'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright',
'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero',
'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight',
'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question',
'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'bracketleft', 'backslash', 'bracketright', 'asciicircum', 'underscore',
'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent',
'sterling', 'fraction', 'yen', 'florin', 'section', 'currency',
'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft',
'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl',
'periodcentered', 'paragraph', 'bullet', 'quotesinglbase',
'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis',
'perthousand', 'questiondown', 'grave', 'acute', 'circumflex', 'tilde',
'macron', 'breve', 'dotaccent', 'dieresis', 'ring', 'cedilla',
'hungarumlaut', 'ogonek', 'caron', 'emdash', 'AE', 'ordfeminine',
'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', 'dotlessi', 'lslash',
'oslash', 'oe', 'germandbls', 'onesuperior', 'logicalnot', 'mu',
'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', 'onequarter',
'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', 'twosuperior',
'registered', 'minus', 'eth', 'multiply', 'threesuperior', 'copyright',
'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', 'Atilde',
'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', 'Iacute',
'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', 'Ocircumflex',
'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', 'Ucircumflex',
'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', 'aacute',
'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla',
'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex',
'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis',
'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis',
'ugrave', 'yacute', 'ydieresis', 'zcaron'
];
var ExpertCharset = [
'.notdef', 'space', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle',
'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior',
'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma',
'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle',
'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle',
'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle',
'colon', 'semicolon', 'commasuperior', 'threequartersemdash',
'periodsuperior', 'questionsmall', 'asuperior', 'bsuperior',
'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior',
'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior',
'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior',
'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall',
'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall',
'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall',
'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall',
'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary',
'onefitted', 'rupiah', 'Tildesmall', 'exclamdownsmall', 'centoldstyle',
'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall',
'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall',
'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall',
'Cedillasmall', 'onequarter', 'onehalf', 'threequarters',
'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths',
'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior',
'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior',
'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior',
'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior',
'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior',
'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior',
'periodinferior', 'commainferior', 'Agravesmall', 'Aacutesmall',
'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall',
'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall',
'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall',
'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall',
'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall',
'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall',
'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall',
'Ydieresissmall'
];
var ExpertSubsetCharset = [
'.notdef', 'space', 'dollaroldstyle', 'dollarsuperior',
'parenleftsuperior', 'parenrightsuperior', 'twodotenleader',
'onedotenleader', 'comma', 'hyphen', 'period', 'fraction',
'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle',
'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle',
'eightoldstyle', 'nineoldstyle', 'colon', 'semicolon', 'commasuperior',
'threequartersemdash', 'periodsuperior', 'asuperior', 'bsuperior',
'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior',
'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior',
'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior',
'parenrightinferior', 'hyphensuperior', 'colonmonetary', 'onefitted',
'rupiah', 'centoldstyle', 'figuredash', 'hypheninferior', 'onequarter',
'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths',
'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior',
'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior',
'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior',
'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior',
'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior',
'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior',
'periodinferior', 'commainferior'
];
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
var ColorSpace = (function ColorSpaceClosure() {
// Constructor should define this.numComps, this.defaultColor, this.name
function ColorSpace() {
error('should not call ColorSpace constructor');
}
ColorSpace.prototype = {
// Input: array of size numComps representing color component values
// Output: array of rgb values, each value ranging from [0.1]
getRgb: function ColorSpace_getRgb(color) {
error('Should not call ColorSpace.getRgb: ' + color);
},
// Input: Uint8Array of component values, each value scaled to [0,255]
// Output: Uint8Array of rgb values, each value scaled to [0,255]
getRgbBuffer: function ColorSpace_getRgbBuffer(input) {
error('Should not call ColorSpace.getRgbBuffer: ' + input);
}
};
ColorSpace.parse = function ColorSpace_parse(cs, xref, res) {
var IR = ColorSpace.parseToIR(cs, xref, res);
if (IR instanceof AlternateCS)
return IR;
return ColorSpace.fromIR(IR);
};
ColorSpace.fromIR = function ColorSpace_fromIR(IR) {
var name = isArray(IR) ? IR[0] : IR;
switch (name) {
case 'DeviceGrayCS':
return new DeviceGrayCS();
case 'DeviceRgbCS':
return new DeviceRgbCS();
case 'DeviceCmykCS':
return new DeviceCmykCS();
case 'PatternCS':
var basePatternCS = IR[1];
if (basePatternCS)
basePatternCS = ColorSpace.fromIR(basePatternCS);
return new PatternCS(basePatternCS);
case 'IndexedCS':
var baseIndexedCS = IR[1];
var hiVal = IR[2];
var lookup = IR[3];
return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup);
case 'AlternateCS':
var numComps = IR[1];
var alt = IR[2];
var tintFnIR = IR[3];
return new AlternateCS(numComps, ColorSpace.fromIR(alt),
PDFFunction.fromIR(tintFnIR));
case 'LabCS':
var whitePoint = IR[1].WhitePoint;
var blackPoint = IR[1].BlackPoint;
var range = IR[1].Range;
return new LabCS(whitePoint, blackPoint, range);
default:
error('Unkown name ' + name);
}
return null;
};
ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) {
if (isName(cs)) {
var colorSpaces = res.get('ColorSpace');
if (isDict(colorSpaces)) {
var refcs = colorSpaces.get(cs.name);
if (refcs)
cs = refcs;
}
}
cs = xref.fetchIfRef(cs);
var mode;
if (isName(cs)) {
mode = cs.name;
this.mode = mode;
switch (mode) {
case 'DeviceGray':
case 'G':
return 'DeviceGrayCS';
case 'DeviceRGB':
case 'RGB':
return 'DeviceRgbCS';
case 'DeviceCMYK':
case 'CMYK':
return 'DeviceCmykCS';
case 'Pattern':
return ['PatternCS', null];
default:
error('unrecognized colorspace ' + mode);
}
} else if (isArray(cs)) {
mode = cs[0].name;
this.mode = mode;
switch (mode) {
case 'DeviceGray':
case 'G':
return 'DeviceGrayCS';
case 'DeviceRGB':
case 'RGB':
return 'DeviceRgbCS';
case 'DeviceCMYK':
case 'CMYK':
return 'DeviceCmykCS';
case 'CalGray':
return 'DeviceGrayCS';
case 'CalRGB':
return 'DeviceRgbCS';
case 'ICCBased':
var stream = xref.fetchIfRef(cs[1]);
var dict = stream.dict;
var numComps = dict.get('N');
if (numComps == 1)
return 'DeviceGrayCS';
if (numComps == 3)
return 'DeviceRgbCS';
if (numComps == 4)
return 'DeviceCmykCS';
break;
case 'Pattern':
var basePatternCS = cs[1];
if (basePatternCS)
basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res);
return ['PatternCS', basePatternCS];
case 'Indexed':
case 'I':
var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res);
var hiVal = cs[2] + 1;
var lookup = xref.fetchIfRef(cs[3]);
return ['IndexedCS', baseIndexedCS, hiVal, lookup];
case 'Separation':
case 'DeviceN':
var name = cs[1];
var numComps = 1;
if (isName(name))
numComps = 1;
else if (isArray(name))
numComps = name.length;
var alt = ColorSpace.parseToIR(cs[2], xref, res);
var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3]));
return ['AlternateCS', numComps, alt, tintFnIR];
case 'Lab':
var params = cs[1].getAll();
return ['LabCS', params];
default:
error('unimplemented color space object "' + mode + '"');
}
} else {
error('unrecognized color space object: "' + cs + '"');
}
return null;
};
/**
* Checks if a decode map matches the default decode map for a color space.
* This handles the general decode maps where there are two values per
* component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color.
* This does not handle Lab, Indexed, or Pattern decode maps since they are
* slightly different.
* @param {Array} decode Decode map (usually from an image).
* @param {Number} n Number of components the color space has.
*/
ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) {
if (!decode)
return true;
if (n * 2 !== decode.length) {
warning('The decode map is not the correct length');
return true;
}
for (var i = 0, ii = decode.length; i < ii; i += 2) {
if (decode[i] != 0 || decode[i + 1] != 1)
return false;
}
return true;
};
return ColorSpace;
})();
/**
* Alternate color space handles both Separation and DeviceN color spaces. A
* Separation color space is actually just a DeviceN with one color component.
* Both color spaces use a tinting function to convert colors to a base color
* space.
*/
var AlternateCS = (function AlternateCSClosure() {
function AlternateCS(numComps, base, tintFn) {
this.name = 'Alternate';
this.numComps = numComps;
this.defaultColor = [];
for (var i = 0; i < numComps; ++i)
this.defaultColor.push(1);
this.base = base;
this.tintFn = tintFn;
}
AlternateCS.prototype = {
getRgb: function AlternateCS_getRgb(color) {
var tinted = this.tintFn(color);
return this.base.getRgb(tinted);
},
getRgbBuffer: function AlternateCS_getRgbBuffer(input, bits) {
var tintFn = this.tintFn;
var base = this.base;
var scale = 1 / ((1 << bits) - 1);
var length = input.length;
var pos = 0;
var baseNumComps = base.numComps;
var baseBuf = new Uint8Array(baseNumComps * length);
var numComps = this.numComps;
var scaled = [];
for (var i = 0; i < length; i += numComps) {
for (var z = 0; z < numComps; ++z)
scaled[z] = input[i + z] * scale;
var tinted = tintFn(scaled);
for (var j = 0; j < baseNumComps; ++j)
baseBuf[pos++] = 255 * tinted[j];
}
return base.getRgbBuffer(baseBuf, 8);
},
isDefaultDecode: function AlternateCS_isDefaultDecode(decodeMap) {
return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
}
};
return AlternateCS;
})();
var PatternCS = (function PatternCSClosure() {
function PatternCS(baseCS) {
this.name = 'Pattern';
this.base = baseCS;
}
PatternCS.prototype = {};
return PatternCS;
})();
var IndexedCS = (function IndexedCSClosure() {
function IndexedCS(base, highVal, lookup) {
this.name = 'Indexed';
this.numComps = 1;
this.defaultColor = [0];
this.base = base;
this.highVal = highVal;
var baseNumComps = base.numComps;
var length = baseNumComps * highVal;
var lookupArray = new Uint8Array(length);
if (isStream(lookup)) {
var bytes = lookup.getBytes(length);
lookupArray.set(bytes);
} else if (isString(lookup)) {
for (var i = 0; i < length; ++i)
lookupArray[i] = lookup.charCodeAt(i);
} else {
error('Unrecognized lookup table: ' + lookup);
}
this.lookup = lookupArray;
}
IndexedCS.prototype = {
getRgb: function IndexedCS_getRgb(color) {
var numComps = this.base.numComps;
var start = color[0] * numComps;
var c = [];
for (var i = start, ii = start + numComps; i < ii; ++i)
c.push(this.lookup[i]);
return this.base.getRgb(c);
},
getRgbBuffer: function IndexedCS_getRgbBuffer(input) {
var base = this.base;
var numComps = base.numComps;
var lookup = this.lookup;
var length = input.length;
var baseBuf = new Uint8Array(length * numComps);
var baseBufPos = 0;
for (var i = 0; i < length; ++i) {
var lookupPos = input[i] * numComps;
for (var j = 0; j < numComps; ++j) {
baseBuf[baseBufPos++] = lookup[lookupPos + j];
}
}
return base.getRgbBuffer(baseBuf, 8);
},
isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) {
// indexed color maps shouldn't be changed
return true;
}
};
return IndexedCS;
})();
var DeviceGrayCS = (function DeviceGrayCSClosure() {
function DeviceGrayCS() {
this.name = 'DeviceGray';
this.numComps = 1;
this.defaultColor = [0];
}
DeviceGrayCS.prototype = {
getRgb: function DeviceGrayCS_getRgb(color) {
var c = color[0];
return [c, c, c];
},
getRgbBuffer: function DeviceGrayCS_getRgbBuffer(input, bits) {
var scale = 255 / ((1 << bits) - 1);
var length = input.length;
var rgbBuf = new Uint8Array(length * 3);
for (var i = 0, j = 0; i < length; ++i) {
var c = (scale * input[i]) | 0;
rgbBuf[j++] = c;
rgbBuf[j++] = c;
rgbBuf[j++] = c;
}
return rgbBuf;
},
isDefaultDecode: function DeviceGrayCS_isDefaultDecode(decodeMap) {
return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
}
};
return DeviceGrayCS;
})();
var DeviceRgbCS = (function DeviceRgbCSClosure() {
function DeviceRgbCS() {
this.name = 'DeviceRGB';
this.numComps = 3;
this.defaultColor = [0, 0, 0];
}
DeviceRgbCS.prototype = {
getRgb: function DeviceRgbCS_getRgb(color) {
return color;
},
getRgbBuffer: function DeviceRgbCS_getRgbBuffer(input, bits) {
if (bits == 8)
return input;
var scale = 255 / ((1 << bits) - 1);
var i, length = input.length;
var rgbBuf = new Uint8Array(length);
for (i = 0; i < length; ++i)
rgbBuf[i] = (scale * input[i]) | 0;
return rgbBuf;
},
isDefaultDecode: function DeviceRgbCS_isDefaultDecode(decodeMap) {
return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
}
};
return DeviceRgbCS;
})();
var DeviceCmykCS = (function DeviceCmykCSClosure() {
function DeviceCmykCS() {
this.name = 'DeviceCMYK';
this.numComps = 4;
this.defaultColor = [0, 0, 0, 1];
}
DeviceCmykCS.prototype = {
getRgb: function DeviceCmykCS_getRgb(color) {
var c = color[0], m = color[1], y = color[2], k = color[3];
// CMYK -> CMY: http://www.easyrgb.com/index.php?X=MATH&H=14#text14
c = (c * (1 - k) + k);
m = (m * (1 - k) + k);
y = (y * (1 - k) + k);
// CMY -> RGB: http://www.easyrgb.com/index.php?X=MATH&H=12#text12
var r = (1 - c);
var g = (1 - m);
var b = (1 - y);
return [r, g, b];
},
getRgbBuffer: function DeviceCmykCS_getRgbBuffer(colorBuf, bits) {
var scale = 1 / ((1 << bits) - 1);
var length = colorBuf.length / 4;
var rgbBuf = new Uint8Array(length * 3);
var rgbBufPos = 0;
var colorBufPos = 0;
for (var i = 0; i < length; i++) {
var cmyk = [];
for (var j = 0; j < 4; ++j)
cmyk.push(scale * colorBuf[colorBufPos++]);
var rgb = this.getRgb(cmyk);
for (var j = 0; j < 3; ++j)
rgbBuf[rgbBufPos++] = Math.round(rgb[j] * 255);
}
return rgbBuf;
},
isDefaultDecode: function DeviceCmykCS_isDefaultDecode(decodeMap) {
return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
}
};
return DeviceCmykCS;
})();
//
// LabCS: Based on "PDF Reference, Sixth Ed", p.250
//
var LabCS = (function LabCSClosure() {
function LabCS(whitePoint, blackPoint, range) {
this.name = 'Lab';
this.numComps = 3;
this.defaultColor = [0, 0, 0];
if (!whitePoint)
error('WhitePoint missing - required for color space Lab');
blackPoint = blackPoint || [0, 0, 0];
range = range || [-100, 100, -100, 100];
// Translate args to spec variables
this.XW = whitePoint[0];
this.YW = whitePoint[1];
this.ZW = whitePoint[2];
this.amin = range[0];
this.amax = range[1];
this.bmin = range[2];
this.bmax = range[3];
// These are here just for completeness - the spec doesn't offer any
// formulas that use BlackPoint in Lab
this.XB = blackPoint[0];
this.YB = blackPoint[1];
this.ZB = blackPoint[2];
// Validate vars as per spec
if (this.XW < 0 || this.ZW < 0 || this.YW !== 1)
error('Invalid WhitePoint components, no fallback available');
if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {
warn('Invalid BlackPoint, falling back to default');
this.XB = this.YB = this.ZB = 0;
}
if (this.amin > this.amax || this.bmin > this.bmax) {
warn('Invalid Range, falling back to defaults');
this.amin = -100;
this.amax = 100;
this.bmin = -100;
this.bmax = 100;
}
};
// Function g(x) from spec
function g(x) {
if (x >= 6 / 29)
return x * x * x;
else
return (108 / 841) * (x - 4 / 29);
}
LabCS.prototype = {
getRgb: function LabCS_getRgb(color) {
// Ls,as,bs <---> L*,a*,b* in the spec
var Ls = color[0], as = color[1], bs = color[2];
// Adjust limits of 'as' and 'bs'
as = as > this.amax ? this.amax : as;
as = as < this.amin ? this.amin : as;
bs = bs > this.bmax ? this.bmax : bs;
bs = bs < this.bmin ? this.bmin : bs;
// Computes intermediate variables X,Y,Z as per spec
var M = (Ls + 16) / 116;
var L = M + (as / 500);
var N = M - (bs / 200);
var X = this.XW * g(L);
var Y = this.YW * g(M);
var Z = this.ZW * g(N);
// XYZ to RGB 3x3 matrix, from:
// http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html#RTFToC18
var XYZtoRGB = [3.240479, -1.537150, -0.498535,
-0.969256, 1.875992, 0.041556,
0.055648, -0.204043, 1.057311];
return Util.apply3dTransform(XYZtoRGB, [X, Y, Z]);
},
getRgbBuffer: function LabCS_getRgbBuffer(input, bits) {
if (bits == 8)
return input;
var scale = 255 / ((1 << bits) - 1);
var i, length = input.length / 3;
var rgbBuf = new Uint8Array(length);
var j = 0;
for (i = 0; i < length; ++i) {
// Convert L*, a*, s* into RGB
var rgb = this.getRgb([input[i], input[i + 1], input[i + 2]]);
rgbBuf[j++] = rgb[0];
rgbBuf[j++] = rgb[1];
rgbBuf[j++] = rgb[2];
}
return rgbBuf;
},
isDefaultDecode: function LabCS_isDefaultDecode(decodeMap) {
// From Table 90 in Adobe's:
// "Document management - Portable document format", 1st ed, 2008
if (decodeMap[0] === 0 && decodeMap[1] === 100 &&
decodeMap[2] === this.amin && decodeMap[3] === this.amax &&
decodeMap[4] === this.bmin && decodeMap[5] === this.bmax)
return true;
else
return false;
}
};
return LabCS;
})();
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
var Metadata = PDFJS.Metadata = (function MetadataClosure() {
function Metadata(meta) {
if (typeof meta === 'string') {
var parser = new DOMParser();
meta = parser.parseFromString(meta, 'application/xml');
} else if (!(meta instanceof Document)) {
error('Metadata: Invalid metadata object');
}
this.metaDocument = meta;
this.metadata = {};
this.parse();
}
Metadata.prototype = {
parse: function Metadata_parse() {
var doc = this.metaDocument;
var rdf = doc.documentElement;
if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in <xmpmeta>
rdf = rdf.firstChild;
while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf')
rdf = rdf.nextSibling;
}
var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;
if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes())
return;
var childNodes = rdf.childNodes, desc, namespace, entries, entry;
for (var i = 0, length = childNodes.length; i < length; i++) {
desc = childNodes[i];
if (desc.nodeName.toLowerCase() !== 'rdf:description')
continue;
entries = [];
for (var ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text')
entries.push(desc.childNodes[ii]);
}
for (ii = 0, iLength = entries.length; ii < iLength; ii++) {
var entry = entries[ii];
var name = entry.nodeName.toLowerCase();
this.metadata[name] = entry.textContent.trim();
}
}
},
get: function Metadata_get(name) {
return this.metadata[name] || null;
},
has: function Metadata_has(name) {
return typeof this.metadata[name] !== 'undefined';
}
};
return Metadata;
})();
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
var PDFJS = {};
(function pdfjsWrapper() {
// Use strict in our context only - users might not want it
'use strict';
PDFJS.build = 'PDFJSSCRIPT_BUNDLE_VER';
// Files are inserted below - see Makefile
/* PDFJSSCRIPT_INCLUDE_ALL */
}).call((typeof window === 'undefined') ? this : window);
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