Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #748 from arturadib/for-cache

Browse Source 
For-loop cache
This commit is contained in:
notmasteryet 2011-11-05 20:24:46 -07:00
commit cd3ab6059d
9 changed files with 64 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/canvas.js
View File

@ -125,7 +125,7 @@ var CanvasGraphics = (function canvasGraphics() {
this[fnArray[i]].apply(this, argsArray[i]);
} else {
var deps = argsArray[i];
for (var n = 0; n < deps.length; n++) {
for (var n = 0, nn = deps.length; n < nn; n++) {
var depObjId = deps[n];
// If the promise isn't resolved yet, add the continueCallback
@ -184,7 +184,7 @@ var CanvasGraphics = (function canvasGraphics() {
TODO('set flatness: ' + flatness);
},
setGState: function canvasGraphicsSetGState(states) {
for (var i = 0; i < states.length; i++) {
for (var i = 0, ii = states.length; i < ii; i++) {
var state = states[i];
var key = state[0];
var value = state[1];

2
src/core.js
View File

@ -208,7 +208,7 @@ var Page = (function pagePage() {
ensureFonts: function pageEnsureFonts(fonts, callback) {
// Convert the font names to the corresponding font obj.
for (var i = 0; i < fonts.length; i++) {
for (var i = 0, ii = fonts.length; i < ii; i++) {
fonts[i] = this.objs.objs[fonts[i]].data;
}

4
src/crypto.js
View File

@ -338,7 +338,7 @@ var AES128Cipher = (function aes128Cipher() {
}
function decryptBlock2(data) {
var i, j, sourceLength = data.length,
var i, j, ii, sourceLength = data.length,
buffer = this.buffer, bufferLength = this.bufferPosition,
result = [], iv = this.iv;
for (i = 0; i < sourceLength; ++i) {
@ -366,7 +366,7 @@ var AES128Cipher = (function aes128Cipher() {
return result[0];
// combining plain text blocks into one
var output = new Uint8Array(16 * result.length);
for (i = 0, j = 0; i < result.length; ++i, j += 16)
for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16)
output.set(result[i], j);
return output;
}

18
src/evaluator.js
View File

@ -123,7 +123,7 @@ var PartialEvaluator = (function partialEvaluator() {
function insertDependency(depList) {
fnArray.push('dependency');
argsArray.push(depList);
for (var i = 0; i < depList.length; i++) {
for (var i = 0, ii = depList.length; i < ii; i++) {
var dep = depList[i];
if (dependency.indexOf(dep) == -1) {
dependency.push(depList[i]);
@ -471,10 +471,10 @@ var PartialEvaluator = (function partialEvaluator() {
var widths = xref.fetchIfRef(dict.get('W'));
if (widths) {
var start = 0, end = 0;
for (var i = 0; i < widths.length; i++) {
for (var i = 0, ii = widths.length; i < ii; i++) {
var code = widths[i];
if (isArray(code)) {
for (var j = 0; j < code.length; j++)
for (var j = 0, jj = code.length; j < jj; j++)
glyphsWidths[start++] = code[j];
start = 0;
} else if (start) {
@ -515,7 +515,7 @@ var PartialEvaluator = (function partialEvaluator() {
// Set encoding 0 to later verify the font has an encoding
encoding[0] = { unicode: 0, width: 0 };
for (var j = 0; j < glyphsData.length; j++) {
for (var j = 0, jj = glyphsData.length; j < jj; j++) {
var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
if (glyphID == 0)
continue;
@ -545,7 +545,7 @@ var PartialEvaluator = (function partialEvaluator() {
if (encoding.has('Differences')) {
var diffEncoding = encoding.get('Differences');
var index = 0;
for (var j = 0; j < diffEncoding.length; j++) {
for (var j = 0, jj = diffEncoding.length; j < jj; j++) {
var data = diffEncoding[j];
if (isNum(data))
index = data;
@ -623,7 +623,7 @@ var PartialEvaluator = (function partialEvaluator() {
var beginArrayToken = {};
var cmap = cmapObj.getBytes(cmapObj.length);
for (var i = 0; i < cmap.length; i++) {
for (var i = 0, ii = cmap.length; i < ii; i++) {
var byte = cmap[i];
if (byte == 0x20 || byte == 0x0D || byte == 0x0A ||
byte == 0x3C || byte == 0x5B || byte == 0x5D) {
@ -642,7 +642,7 @@ var PartialEvaluator = (function partialEvaluator() {
case 'endcidrange':
case 'endbfrange':
for (var j = 0; j < tokens.length; j += 3) {
for (var j = 0, jj = tokens.length; j < jj; j += 3) {
var startRange = tokens[j];
var endRange = tokens[j + 1];
var code = tokens[j + 2];
@ -657,7 +657,7 @@ var PartialEvaluator = (function partialEvaluator() {
case 'endcidchar':
case 'endbfchar':
for (var j = 0; j < tokens.length; j += 2) {
for (var j = 0, jj = tokens.length; j < jj; j += 2) {
var index = tokens[j];
var code = tokens[j + 1];
var mapping = map[index] || {};
@ -807,7 +807,7 @@ var PartialEvaluator = (function partialEvaluator() {
var encoding = {};
var widths = xref.fetchIfRef(dict.get('Widths'));
if (widths) {
for (var i = 0, j = firstChar; i < widths.length; i++, j++)
for (var i = 0, j = firstChar, ii = widths.length; i < ii; i++, j++)
glyphWidths[j] = widths[i];
defaultWidth = parseFloat(descriptor.get('MissingWidth')) || 0;
} else {

85
src/fonts.js
View File

@ -393,7 +393,7 @@ var FontLoader = {
bind: function fontLoaderBind(fonts, callback) {
function checkFontsLoaded() {
for (var i = 0; i < objs.length; i++) {
for (var i = 0, ii = objs.length; i < ii; i++) {
var fontObj = objs[i];
if (fontObj.loading) {
return false;
@ -409,7 +409,7 @@ var FontLoader = {
var rules = [], names = [], objs = [];
for (var i = 0; i < fonts.length; i++) {
for (var i = 0, ii = fonts.length; i < ii; i++) {
var font = fonts[i];
// If there is already a fontObj on the font, then it was loaded/attached
@ -490,7 +490,7 @@ var FontLoader = {
'width: 10px; height: 10px;' +
'position: absolute; top: 0px; left: 0px;');
var html = '';
for (var i = 0; i < names.length; ++i) {
for (var i = 0, ii = names.length; i < ii; ++i) {
html += '<span style="font-family:' + names[i] + '">Hi</span>';
}
div.innerHTML = html;
@ -501,7 +501,7 @@ var FontLoader = {
'message',
function fontLoaderMessage(e) {
var fontNames = JSON.parse(e.data);
for (var i = 0; i < objs.length; ++i) {
for (var i = 0, ii = objs.length; i < ii; ++i) {
var font = objs[i];
font.loading = false;
}
@ -517,13 +517,13 @@ var FontLoader = {
// pdfjsFontLoadFailed?
var src = '<!DOCTYPE HTML><html><head>';
src += '<style type="text/css">';
for (var i = 0; i < rules.length; ++i) {
for (var i = 0, ii = rules.length; i < ii; ++i) {
src += rules[i];
}
src += '</style>';
src += '<script type="application/javascript">';
var fontNamesArray = '';
for (var i = 0; i < names.length; ++i) {
for (var i = 0, ii = names.length; i < ii; ++i) {
fontNamesArray += '"' + names[i] + '", ';
}
src += ' var fontNames=[' + fontNamesArray + '];\n';
@ -531,7 +531,7 @@ var FontLoader = {
src += ' parent.postMessage(JSON.stringify(fontNames), "*");\n';
src += ' }';
src += '</script></head><body>';
for (var i = 0; i < names.length; ++i) {
for (var i = 0, ii = names.length; i < ii; ++i) {
src += '<p style="font-family:\'' + names[i] + '\'">Hi</p>';
}
src += '</body></html>';
@ -673,7 +673,7 @@ var UnicodeRanges = [
];
function getUnicodeRangeFor(value) {
for (var i = 0; i < UnicodeRanges.length; i++) {
for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {
var range = UnicodeRanges[i];
if (value >= range.begin && value < range.end)
return i;
@ -782,7 +782,7 @@ var Font = (function Font() {
function stringToArray(str) {
var array = [];
for (var i = 0; i < str.length; ++i)
for (var i = 0, ii = str.length; i < ii; ++i)
array[i] = str.charCodeAt(i);
return array;
@ -790,7 +790,7 @@ var Font = (function Font() {
function arrayToString(arr) {
var str = '';
for (var i = 0; i < arr.length; ++i)
for (var i = 0, ii = arr.length; i < ii; ++i)
str += String.fromCharCode(arr[i]);
return str;
@ -1116,11 +1116,11 @@ var Font = (function Font() {
// Mac want 1-byte per character strings while Windows want
// 2-bytes per character, so duplicate the names table
var stringsUnicode = [];
for (var i = 0; i < strings.length; i++) {
for (var i = 0, ii = strings.length; i < ii; i++) {
var str = strings[i];
var strUnicode = '';
for (var j = 0; j < str.length; j++)
for (var j = 0, jj = str.length; j < jj; j++)
strUnicode += string16(str.charCodeAt(j));
stringsUnicode.push(strUnicode);
}
@ -1138,9 +1138,9 @@ var Font = (function Font() {
// Build the name records field
var strOffset = 0;
for (var i = 0; i < platforms.length; i++) {
for (var i = 0, ii = platforms.length; i < ii; i++) {
var strs = names[i];
for (var j = 0; j < strs.length; j++) {
for (var j = 0, jj = strs.length; j < jj; j++) {
var str = strs[j];
var nameRecord =
platforms[i] + // platform ID
@ -1258,7 +1258,7 @@ var Font = (function Font() {
string32(table.offset);
}
for (var i = 0; i < data.length; i++)
for (var i = 0, ii = data.length; i < ii; i++)
cmap.data[i] = data.charCodeAt(i);
}
@ -1345,7 +1345,7 @@ var Font = (function Font() {
if (numMissing > 0) {
font.pos = (font.start ? font.start : 0) + metrics.offset;
var entries = '';
for (var i = 0; i < hmtx.length; i++)
for (var i = 0, ii = hmtx.length; i < ii; i++)
entries += String.fromCharCode(font.getByte());
for (var i = 0; i < numMissing; i++)
entries += '\x00\x00';
@ -1549,18 +1549,18 @@ var Font = (function Font() {
});
// rewrite the tables but tweak offsets
for (var i = 0; i < tables.length; i++) {
for (var i = 0, ii = tables.length; i < ii; i++) {
var table = tables[i];
var data = [];
var tableData = table.data;
for (var j = 0; j < tableData.length; j++)
for (var j = 0, jj = tableData.length; j < jj; j++)
data.push(tableData[j]);
createTableEntry(ttf, table.tag, data);
}
// Add the table datas
for (var i = 0; i < tables.length; i++) {
for (var i = 0, ii = tables.length; i < ii; i++) {
var table = tables[i];
var tableData = table.data;
ttf.file += arrayToString(tableData);
@ -1575,7 +1575,7 @@ var Font = (function Font() {
convert: function font_convert(fontName, font, properties) {
function isFixedPitch(glyphs) {
for (var i = 0; i < glyphs.length - 1; i++) {
for (var i = 0, ii = glyphs.length - 1; i < ii; i++) {
if (glyphs[i] != glyphs[i + 1])
return false;
}
@ -1657,7 +1657,7 @@ var Font = (function Font() {
// Horizontal metrics
'hmtx': (function fontFieldsHmtx() {
var hmtx = '\x00\x00\x00\x00'; // Fake .notdef
for (var i = 0; i < charstrings.length; i++) {
for (var i = 0, ii = charstrings.length; i < ii; i++) {
hmtx += string16(charstrings[i].width) + string16(0);
}
return stringToArray(hmtx);
@ -1729,8 +1729,8 @@ var Font = (function Font() {
}
encoding[0] = { unicode: 0, width: 0 };
var glyph = 1, i, j, k;
for (i = 0; i < cidToUnicode.length; ++i) {
var glyph = 1, i, j, k, cidLength, ii;
for (i = 0, ii = cidToUnicode.length; i < ii; ++i) {
var unicode = cidToUnicode[i];
var width;
if (isArray(unicode)) {
@ -1843,7 +1843,7 @@ var Font = (function Font() {
}
}
else {
for (var i = 0; i < chars.length; ++i) {
for (var i = 0, ii = chars.length; i < ii; ++i) {
var charcode = chars.charCodeAt(i);
var glyph = encoding[charcode];
if ('undefined' == typeof(glyph)) {
@ -2141,7 +2141,7 @@ var Type1Parser = function type1Parser() {
count++;
var array = str.substr(start, count).split(' ');
for (var i = 0; i < array.length; i++)
for (var i = 0, ii = array.length; i < ii; i++)
array[i] = parseFloat(array[i] || 0);
return array;
}
@ -2166,7 +2166,7 @@ var Type1Parser = function type1Parser() {
this.extractFontProgram = function t1_extractFontProgram(stream) {
var eexec = decrypt(stream, kEexecEncryptionKey, 4);
var eexecStr = '';
for (var i = 0; i < eexec.length; i++)
for (var i = 0, ii = eexec.length; i < ii; i++)
eexecStr += String.fromCharCode(eexec[i]);
var glyphsSection = false, subrsSection = false;
@ -2290,7 +2290,7 @@ var Type1Parser = function type1Parser() {
this.extractFontHeader = function t1_extractFontHeader(stream, properties) {
var headerString = '';
for (var i = 0; i < stream.length; i++)
for (var i = 0, ii = stream.length; i < ii; i++)
headerString += String.fromCharCode(stream[i]);
var token = '';
@ -2317,7 +2317,7 @@ var Type1Parser = function type1Parser() {
var matrix = readNumberArray(headerString, i + 1);
// The FontMatrix is in unitPerEm, so make it pixels
for (var j = 0; j < matrix.length; j++)
for (var j = 0, jj = matrix.length; j < jj; j++)
matrix[j] *= 1000;
// Make the angle into the right direction
@ -2478,7 +2478,7 @@ CFF.prototype = {
}
for (var i = 0; i < count; i++) {
for (var j = 0; j < objects[i].length; j++)
for (var j = 0, jj = objects[i].length; j < jj; j++)
data += isByte ? String.fromCharCode(objects[i][j] & 0xFF) :
objects[i][j];
}
@ -2506,7 +2506,7 @@ CFF.prototype = {
var charstrings = [];
var missings = [];
for (var i = 0; i < glyphs.length; i++) {
for (var i = 0, ii = glyphs.length; i < ii; i++) {
var glyph = glyphs[i];
var mapping = properties.glyphs[glyph.glyph];
if (!mapping) {
@ -2596,6 +2596,7 @@ CFF.prototype = {
},
flattenCharstring: function flattenCharstring(charstring, map) {
// charstring changes size - can't cache .length in loop
for (var i = 0; i < charstring.length; i++) {
var command = charstring[i];
if (command.charAt) {
@ -2640,7 +2641,7 @@ CFF.prototype = {
'\x1c\x00\x00\x10'; // Encoding
var boundingBox = properties.bbox;
for (var i = 0; i < boundingBox.length; i++)
for (var i = 0, ii = boundingBox.length; i < ii; i++)
dict += self.encodeNumber(boundingBox[i]);
dict += '\x05'; // FontBBox;
@ -2730,7 +2731,7 @@ CFF.prototype = {
if (isArray(value)) {
data += self.encodeNumber(value[0]);
for (var i = 1; i < value.length; i++)
for (var i = 1, ii = value.length; i < ii; i++)
data += self.encodeNumber(value[i] - value[i - 1]);
} else {
data += self.encodeNumber(value);
@ -2751,7 +2752,7 @@ CFF.prototype = {
var cff = [];
for (var index in fields) {
var field = fields[index];
for (var i = 0; i < field.length; i++)
for (var i = 0, ii = field.length; i < ii; i++)
cff.push(field.charCodeAt(i));
}
@ -2848,7 +2849,7 @@ var Type2CFF = (function type2CFF() {
// create the mapping between charstring and glyph id
var glyphIds = [];
for (var i = 0; i < charstrings.length; i++)
for (var i = 0, ii = charstrings.length; i < ii; i++)
glyphIds.push(charstrings[i].gid);
this.charstrings = charstrings;
@ -2866,7 +2867,7 @@ var Type2CFF = (function type2CFF() {
var charstrings = [];
var firstChar = properties.firstChar;
var glyphMap = {};
for (var i = 0; i < charsets.length; i++) {
for (var i = 0, ii = charsets.length; i < ii; i++) {
var glyph = charsets[i];
for (var charcode in encoding) {
if (encoding[charcode] == i)
@ -2875,7 +2876,7 @@ var Type2CFF = (function type2CFF() {
}
var differences = properties.differences;
for (var i = 0; i < differences.length; ++i) {
for (var i = 0, ii = differences.length; i < ii; ++i) {
var glyph = differences[i];
if (!glyph)
continue;
@ -2886,7 +2887,7 @@ var Type2CFF = (function type2CFF() {
}
var glyphs = properties.glyphs;
for (var i = 1; i < charsets.length; i++) {
for (var i = 1, ii = charsets.length; i < ii; i++) {
var glyph = charsets[i];
var code = glyphMap[glyph] || 0;
@ -2920,7 +2921,7 @@ var Type2CFF = (function type2CFF() {
// properties.glyphs[code] || properties.glyphs[glyph]
var nextUnusedUnicode = kCmapGlyphOffset + 0x0020;
var lastUnicode = charstrings[0].unicode, wasModified = false;
for (var i = 1; i < charstrings.length; ++i) {
for (var i = 1, ii = charstrings.length; i < ii; ++i) {
if (lastUnicode != charstrings[i].unicode) {
lastUnicode = charstrings[i].unicode;
continue;
@ -2965,7 +2966,7 @@ var Type2CFF = (function type2CFF() {
var gid = 1;
var baseEncoding = pos ? Encodings.ExpertEncoding.slice() :
Encodings.StandardEncoding.slice();
for (var i = 0; i < charset.length; i++) {
for (var i = 0, ii = charset.length; i < ii; i++) {
var index = baseEncoding.indexOf(charset[i]);
if (index != -1)
encoding[index] = gid++;
@ -3116,16 +3117,16 @@ var Type2CFF = (function type2CFF() {
getStrings: function cff_getStrings(stringIndex) {
function bytesToString(bytesArray) {
var str = '';
for (var i = 0, length = bytesArray.length; i < length; i++)
for (var i = 0, ii = bytesArray.length; i < ii; i++)
str += String.fromCharCode(bytesArray[i]);
return str;
}
var stringArray = [];
for (var i = 0, length = CFFStrings.length; i < length; i++)
for (var i = 0, ii = CFFStrings.length; i < ii; i++)
stringArray.push(CFFStrings[i]);
for (var i = 0, length = stringIndex.length; i < length; i++)
for (var i = 0, ii = stringIndex.length; i < ii; i++)
stringArray.push(bytesToString(stringIndex.get(i).data));
return stringArray;

4
src/function.js
View File

@ -13,7 +13,7 @@ var PDFFunction = (function pdfFunction() {
getSampleArray: function pdfFunctionGetSampleArray(size, outputSize, bps,
str) {
var length = 1;
for (var i = 0; i < size.length; i++)
for (var i = 0, ii = size.length; i < ii; i++)
length *= size[i];
length *= outputSize;
@ -254,7 +254,7 @@ var PDFFunction = (function pdfFunction() {
var fnsIR = IR[4];
var fns = [];
for (var i = 0; i < fnsIR.length; i++) {
for (var i = 0, ii = fnsIR.length; i < ii; i++) {
fns.push(PDFFunction.fromIR(fnsIR[i]));
}

6
src/obj.js
View File

@ -178,7 +178,7 @@ var Catalog = (function catalogCatalog() {
var kids = pagesDict.get('Kids');
assertWellFormed(isArray(kids),
'page dictionary kids object is not an array');
for (var i = 0; i < kids.length; ++i) {
for (var i = 0, ii = kids.length; i < ii; ++i) {
var kid = kids[i];
assertWellFormed(isRef(kid),
'page dictionary kid is not a reference');
@ -490,12 +490,12 @@ var XRef = (function xRefXRef() {
position += token.length + 1;
}
// reading XRef streams
for (var i = 0; i < xrefStms.length; ++i) {
for (var i = 0, ii = xrefStms.length; i < ii; ++i) {
this.readXRef(xrefStms[i]);
}
// finding main trailer
var dict;
for (var i = 0; i < trailers.length; ++i) {
for (var i = 0, ii = trailers.length; i < ii; ++i) {
stream.pos = trailers[i];
var parser = new Parser(new Lexer(stream), true);
var obj = parser.getObj();

2
src/util.js
View File

@ -261,7 +261,7 @@ var Promise = (function promise() {
this.data = data;
var callbacks = this.callbacks;
for (var i = 0; i < callbacks.length; i++) {
for (var i = 0, ii = callbacks.length; i < ii; i++) {
callbacks[i].call(null, data);
}
},

2
src/worker.js
View File

@ -86,7 +86,7 @@ var WorkerMessageHandler = {
// Filter the dependecies for fonts.
var fonts = {};
for (var i = 0; i < dependency.length; i++) {
for (var i = 0, ii = dependency.length; i < ii; i++) {
var dep = dependency[i];
if (dep.indexOf('font_') == 0) {
fonts[dep] = true;