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Use strict equalities in src/core/jpg.js

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This commit is contained in:
Tim van der Meij 2014-08-01 22:43:55 +02:00
parent 160c7cab33
commit 2796d1bf10
1 changed files with 8 additions and 8 deletions
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16
src/core/jpg.js
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@ -116,7 +116,7 @@ var JpegImage = (function jpegImage() {
return (bitsData >> bitsCount) & 1;
}
bitsData = data[offset++];
if (bitsData == 0xFF) {
if (bitsData === 0xFF) {
var nextByte = data[offset++];
if (nextByte) {
throw 'unexpected marker: ' +
@ -262,7 +262,7 @@ var JpegImage = (function jpegImage() {
} else {
r--;
if (r === 0) {
successiveACState = successiveACState == 2 ? 3 : 0;
successiveACState = successiveACState === 2 ? 3 : 0;
}
}
break;
@ -322,7 +322,7 @@ var JpegImage = (function jpegImage() {
var mcu = 0, marker;
var mcuExpected;
if (componentsLength == 1) {
if (componentsLength === 1) {
mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
} else {
mcuExpected = mcusPerLine * frame.mcusPerColumn;
@ -339,7 +339,7 @@ var JpegImage = (function jpegImage() {
}
eobrun = 0;
if (componentsLength == 1) {
if (componentsLength === 1) {
component = components[0];
for (n = 0; n < resetInterval; n++) {
decodeBlock(component, decodeFn, mcu);
@ -628,12 +628,12 @@ var JpegImage = (function jpegImage() {
var quantizationTables = [];
var huffmanTablesAC = [], huffmanTablesDC = [];
var fileMarker = readUint16();
if (fileMarker != 0xFFD8) { // SOI (Start of Image)
if (fileMarker !== 0xFFD8) { // SOI (Start of Image)
throw 'SOI not found';
}
fileMarker = readUint16();
while (fileMarker != 0xFFD9) { // EOI (End of image)
while (fileMarker !== 0xFFD9) { // EOI (End of image)
var i, j, l;
switch(fileMarker) {
case 0xFFE0: // APP0 (Application Specific)
@ -799,7 +799,7 @@ var JpegImage = (function jpegImage() {
offset += processed;
break;
default:
if (data[offset - 3] == 0xFF &&
if (data[offset - 3] === 0xFF &&
data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) {
// could be incorrect encoding -- last 0xFF byte of the previous
// block was eaten by the encoder
@ -883,7 +883,7 @@ var JpegImage = (function jpegImage() {
if (this.adobe && this.adobe.transformCode) {
// The adobe transform marker overrides any previous setting
return true;
} else if (this.numComponents == 3) {
} else if (this.numComponents === 3) {
return true;
} else {
return false;