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Fixes .length and capitalization nits

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This commit is contained in:
Yury Delendik 2012-06-26 00:32:59 -05:00
parent 306092f53e
commit 25d4467fa3
1 changed files with 25 additions and 22 deletions
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47
src/jbig2.js
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@ -545,13 +545,14 @@ var Jbig2Image = (function Jbig2ImageClosure() {
// 6.5.10 Exported symbols
var exportedSymbols = [];
var flags = [], currentFlag = false;
while (flags.length < symbols.length + numberOfNewSymbols) {
var totalSymbolsLength = symbols.length + numberOfNewSymbols;
while (flags.length < totalSymbolsLength) {
var runLength = decodeInteger(contextCache, 'IAEX', decoder);
while (runLength--)
flags.push(currentFlag);
currentFlag = !currentFlag;
}
for (var i = 0; i < symbols.length; i++)
for (var i = 0, ii = symbols.length; i < ii; i++)
if (flags[i]) exportedSymbols.push(symbols[i]);
for (var j = 0; j < numberOfNewSymbols; i++, j++)
if (flags[i]) exportedSymbols.push(newSymbols[j]);
@ -721,7 +722,7 @@ var Jbig2Image = (function Jbig2ImageClosure() {
break; // end of file is found
}
if (header.randomAccess) {
for (var i = 0; i < segments.length; i++) {
for (var i = 0, ii = segments.length; i < ii; i++) {
segments[i].start = position;
position += segments[i].header.length;
segments[i].end = position;
@ -888,12 +889,13 @@ var Jbig2Image = (function Jbig2ImageClosure() {
error('JBIG2 error: segment type ' + header.typeName + '(' +
header.type + ') is not implemented');
}
if (header.typeName in visitor)
visitor[header.typeName].apply(visitor, args);
var callbackName = 'on' + header.typeName;
if (callbackName in visitor)
visitor[callbackName].apply(visitor, args);
}
function processSegments(segments, visitor) {
for (var i = 0; i < segments.length; i++)
for (var i = 0, ii = segments.length; i < ii; i++)
processSegment(segments[i], visitor);
}
@ -919,7 +921,7 @@ var Jbig2Image = (function Jbig2ImageClosure() {
function parseJbig2Chunks(chunks) {
var visitor = new SimpleSegmentVisitor();
for (var i = 0; i < chunks.length; i++) {
for (var i = 0, ii = chunks.length; i < ii; i++) {
var chunk = chunks[i];
var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
processSegments(segments, visitor);
@ -930,12 +932,12 @@ var Jbig2Image = (function Jbig2ImageClosure() {
function SimpleSegmentVisitor() {}
SimpleSegmentVisitor.prototype = {
PageInformation: function SimpleSegmentVisitor_PageInformation(info) {
onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
this.currentPageInfo = info;
var rowSize = (info.width + 7) >> 3;
var buffer = new Uint8Array(rowSize * info.height);
var fill = info.defaultPixelValue ? 0xFF : 0;
for (var i = 0; i < buffer.length; i++)
for (var i = 0, ii = buffer.length; i < ii; i++)
buffer[i] = fill;
this.buffer = buffer;
},
@ -976,9 +978,9 @@ var Jbig2Image = (function Jbig2ImageClosure() {
}
}
},
ImmediateGenericRegion:
function SimpleSegmentVisitor_ImmediateGenericRegion(region, data,
start, end) {
onImmediateGenericRegion:
function SimpleSegmentVisitor_onImmediateGenericRegion(region, data,
start, end) {
var regionInfo = region.info;
var decodingContext = new DecodingContext(data, start, end);
var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height,
@ -986,10 +988,11 @@ var Jbig2Image = (function Jbig2ImageClosure() {
region.at, decodingContext);
this.drawBitmap(regionInfo, bitmap);
},
SymbolDictionary:
function SimpleSegmentVisitor_SymbolDictionary(dictionary, currentSegment,
referredSegments,
data, start, end) {
onSymbolDictionary:
function SimpleSegmentVisitor_onSymbolDictionary(dictionary,
currentSegment,
referredSegments,
data, start, end) {
var huffmanTables;
if (dictionary.huffman)
error('JBIG2 error: huffman is not supported');
@ -1000,7 +1003,7 @@ var Jbig2Image = (function Jbig2ImageClosure() {
this.symbols = symbols = {};
var inputSymbols = [];
for (var i = 0; i < referredSegments.length; i++)
for (var i = 0, ii = referredSegments.length; i < ii; i++)
inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]);
var decodingContext = new DecodingContext(data, start, end);
@ -1011,17 +1014,17 @@ var Jbig2Image = (function Jbig2ImageClosure() {
dictionary.refinementTemplate, dictionary.refinementAt,
decodingContext);
},
ImmediateTextRegion:
function SimpleSegmentVisitor_ImmediateTextRegion(region,
referredSegments,
data, start, end) {
onImmediateTextRegion:
function SimpleSegmentVisitor_onImmediateTextRegion(region,
referredSegments,
data, start, end) {
var regionInfo = region.info;
var huffmanTables;
// Combines exported symbols from all referred segments
var symbols = this.symbols;
var inputSymbols = [];
for (var i = 0; i < referredSegments.length; i++)
for (var i = 0, ii = referredSegments.length; i < ii; i++)
inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]);
var symbolCodeLength = log2(inputSymbols.length);