Issue #2008 - Fix lint errors for src/jpx.js
This commit is contained in:
Jon Buckley
parent
bc94a4d353
commit
21f0ff1dcf
57
src/jpx.js
57
src/jpx.js
@ -1,5 +1,6 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* globals error, globalScope, warn */
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/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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@ -43,7 +44,7 @@ var JpxImage = (function JpxImageClosure() {
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xhr.send(null);
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},
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parse: function JpxImage_parse(data) {
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function ReadUint(data, offset, bytes) {
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function readUint(data, offset, bytes) {
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var n = 0;
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for (var i = 0; i < bytes; i++)
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n = n * 256 + (data[offset + i] & 0xFF);
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@ -52,15 +53,15 @@ var JpxImage = (function JpxImageClosure() {
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var position = 0, length = data.length;
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while (position < length) {
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var headerSize = 8;
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var lbox = ReadUint(data, position, 4);
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var tbox = ReadUint(data, position + 4, 4);
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var lbox = readUint(data, position, 4);
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var tbox = readUint(data, position + 4, 4);
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position += headerSize;
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if (lbox == 1) {
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lbox = ReadUint(data, position, 8);
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lbox = readUint(data, position, 8);
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position += 8;
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headerSize += 8;
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}
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if (lbox == 0)
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if (lbox === 0)
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lbox = length - position + headerSize;
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if (lbox < headerSize)
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error('JPX error: Invalid box field size');
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@ -289,7 +290,7 @@ var JpxImage = (function JpxImageClosure() {
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tile.partsCount = data[position + 9];
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context.mainHeader = false;
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if (tile.partIndex == 0) {
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if (tile.partIndex === 0) {
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// reset component specific settings
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tile.COD = context.COD;
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tile.COC = context.COC.slice(0); // clone of the global COC
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@ -300,7 +301,7 @@ var JpxImage = (function JpxImageClosure() {
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break;
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case 0xFF93: // Start of data (SOD)
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var tile = context.currentTile;
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if (tile.partIndex == 0) {
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if (tile.partIndex === 0) {
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initializeTile(context, tile.index);
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buildPackets(context);
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}
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@ -631,7 +632,7 @@ var JpxImage = (function JpxImageClosure() {
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resolutions.push(resolution);
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var subband;
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if (r == 0) {
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if (r === 0) {
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// one sub-band (LL) with last decomposition
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subband = {};
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subband.type = 'LL';
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@ -733,7 +734,7 @@ var JpxImage = (function JpxImageClosure() {
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}
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function readCodingpasses() {
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var value = readBits(1);
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if (value == 0)
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if (value === 0)
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return 1;
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value = (value << 1) | readBits(1);
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if (value == 0x02)
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@ -853,7 +854,7 @@ var JpxImage = (function JpxImageClosure() {
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var codeblock = codeblocks[i];
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var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
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var blockHeight = codeblock.tby1_ - codeblock.tby0_;
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if (blockWidth == 0 || blockHeight == 0)
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if (blockWidth === 0 || blockHeight === 0)
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continue;
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if (!('data' in codeblock))
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continue;
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@ -905,7 +906,7 @@ var JpxImage = (function JpxImageClosure() {
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var n = (bitModel.coefficentsSign[position] ? -1 : 1) *
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bitModel.coefficentsMagnitude[position];
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var nb = bitModel.bitsDecoded[position], correction;
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if (transformation == 0 || mb > nb) {
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if (transformation === 0 || mb > nb) {
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// use r only if transformation is irreversible or
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// not all bitplanes were decoded for reversible transformation
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n += n < 0 ? n - r : n > 0 ? n + r : 0;
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@ -974,7 +975,7 @@ var JpxImage = (function JpxImageClosure() {
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}
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var transformation = codingStyleParameters.transformation;
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var transform = transformation == 0 ? new IrreversibleTransform() :
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var transform = transformation === 0 ? new IrreversibleTransform() :
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new ReversibleTransform();
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var result = transform.calculate(subbandCoefficients,
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component.tcx0, component.tcy0);
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@ -1304,7 +1305,7 @@ var JpxImage = (function JpxImageClosure() {
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return d;
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} else {
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this.chigh -= qeIcx;
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if ((this.a & 0x8000) == 0) {
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if ((this.a & 0x8000) === 0) {
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var d = this.exchangeMps(cx);
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this.renormD();
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return d;
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@ -1315,14 +1316,14 @@ var JpxImage = (function JpxImageClosure() {
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},
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renormD: function ArithmeticDecoder_renormD() {
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do {
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if (this.ct == 0)
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if (this.ct === 0)
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this.byteIn();
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this.a <<= 1;
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this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1);
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this.clow = (this.clow << 1) & 0xFFFF;
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this.ct--;
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} while ((this.a & 0x8000) == 0);
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} while ((this.a & 0x8000) === 0);
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},
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exchangeMps: function ArithmeticDecoder_exchangeMps(cx) {
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var d;
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@ -1558,12 +1559,12 @@ var JpxImage = (function JpxImageClosure() {
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// significant but not those that have just become
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if (!coefficentsMagnitude[index] ||
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(processingFlags[index] & processedMask) != 0)
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(processingFlags[index] & processedMask) !== 0)
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continue;
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var contextLabel = 16;
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if ((processingFlags[index] &
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firstMagnitudeBitMask) != 0) {
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firstMagnitudeBitMask) !== 0) {
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processingFlags[i * width + j] ^= firstMagnitudeBitMask;
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// first refinement
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var significance = neighborsSignificance[index];
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@ -1604,14 +1605,14 @@ var JpxImage = (function JpxImageClosure() {
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// using the property: labels[neighborsSignificance[index]] == 0
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// when neighborsSignificance[index] == 0
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var allEmpty = i0 + 3 < height &&
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processingFlags[index0] == 0 &&
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processingFlags[index0 + oneRowDown] == 0 &&
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processingFlags[index0 + twoRowsDown] == 0 &&
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processingFlags[index0 + threeRowsDown] == 0 &&
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neighborsSignificance[index0] == 0 &&
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neighborsSignificance[index0 + oneRowDown] == 0 &&
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neighborsSignificance[index0 + twoRowsDown] == 0 &&
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neighborsSignificance[index0 + threeRowsDown] == 0;
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processingFlags[index0] === 0 &&
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processingFlags[index0 + oneRowDown] === 0 &&
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processingFlags[index0 + twoRowsDown] === 0 &&
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processingFlags[index0 + threeRowsDown] === 0 &&
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neighborsSignificance[index0] === 0 &&
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neighborsSignificance[index0 + oneRowDown] === 0 &&
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neighborsSignificance[index0 + twoRowsDown] === 0 &&
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neighborsSignificance[index0 + threeRowsDown] === 0;
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var i1 = 0, index = index0;
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var cx, i;
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if (allEmpty) {
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@ -1647,7 +1648,7 @@ var JpxImage = (function JpxImageClosure() {
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break;
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if (coefficentsMagnitude[index] ||
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(processingFlags[index] & processedMask) != 0)
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(processingFlags[index] & processedMask) !== 0)
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continue;
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var contextLabel = labels[neighborsSignificance[index]];
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@ -1733,7 +1734,7 @@ var JpxImage = (function JpxImageClosure() {
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for (var v = 0; v < height; v++) {
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if (width == 1) {
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// if width = 1, when u0 even keep items as is, when odd divide by 2
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if ((u0 % 1) != 0) {
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if ((u0 % 1) !== 0) {
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items[v * width] /= 2;
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}
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continue;
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@ -1768,7 +1769,7 @@ var JpxImage = (function JpxImageClosure() {
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for (var u = 0; u < width; u++) {
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if (height == 1) {
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// if height = 1, when v0 even keep items as is, when odd divide by 2
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if ((v0 % 1) != 0) {
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if ((v0 % 1) !== 0) {
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items[u] /= 2;
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}
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continue;
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