yetangitu/pdf.js
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Fixes lint warning W004 in src/shared

Browse source
This commit is contained in:
Tim van der Meij 2014-04-07 21:05:17 +02:00
parent a71a87a821
commit 10f80bda23
6 changed files with 60 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

49
src/shared/colorspace.js
View file

@ -85,10 +85,10 @@ var ColorSpace = (function ColorSpaceClosure() {
var rgbBuf = null;
var numComponentColors = 1 << bpc;
var needsResizing = originalHeight != height || originalWidth != width;
var i, ii;
if (this.isPassthrough(bpc)) {
rgbBuf = comps;
} else if (this.numComps === 1 && count > numComponentColors &&
this.name !== 'DeviceGray' && this.name !== 'DeviceRGB') {
// Optimization: create a color map when there is just one component and
@ -102,18 +102,20 @@ var ColorSpace = (function ColorSpaceClosure() {
// we are reparsing colorspaces too much?).
var allColors = bpc <= 8 ? new Uint8Array(numComponentColors) :
new Uint16Array(numComponentColors);
for (var i = 0; i < numComponentColors; i++) {
var key;
for (i = 0; i < numComponentColors; i++) {
allColors[i] = i;
}
var colorMap = new Uint8Array(numComponentColors * 3);
this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc,
/* alpha01 = */ 0);
var destPos, rgbPos;
if (!needsResizing) {
// Fill in the RGB values directly into |dest|.
var destPos = 0;
for (var i = 0; i < count; ++i) {
var key = comps[i] * 3;
destPos = 0;
for (i = 0; i < count; ++i) {
key = comps[i] * 3;
dest[destPos++] = colorMap[key];
dest[destPos++] = colorMap[key + 1];
dest[destPos++] = colorMap[key + 2];
@ -121,9 +123,9 @@ var ColorSpace = (function ColorSpaceClosure() {
}
} else {
rgbBuf = new Uint8Array(count * 3);
var rgbPos = 0;
for (var i = 0; i < count; ++i) {
var key = comps[i] * 3;
rgbPos = 0;
for (i = 0; i < count; ++i) {
key = comps[i] * 3;
rgbBuf[rgbPos++] = colorMap[key];
rgbBuf[rgbPos++] = colorMap[key + 1];
rgbBuf[rgbPos++] = colorMap[key + 2];
@ -146,9 +148,9 @@ var ColorSpace = (function ColorSpaceClosure() {
rgbBuf = PDFImage.resize(rgbBuf, bpc, 3, originalWidth,
originalHeight, width, height);
}
var rgbPos = 0;
var destPos = 0;
for (var i = 0, ii = width * actualHeight; i < ii; i++) {
rgbPos = 0;
destPos = 0;
for (i = 0, ii = width * actualHeight; i < ii; i++) {
dest[destPos++] = rgbBuf[rgbPos++];
dest[destPos++] = rgbBuf[rgbPos++];
dest[destPos++] = rgbBuf[rgbPos++];
@ -174,6 +176,7 @@ var ColorSpace = (function ColorSpaceClosure() {
ColorSpace.fromIR = function ColorSpace_fromIR(IR) {
var name = isArray(IR) ? IR[0] : IR;
var whitePoint, blackPoint;
switch (name) {
case 'DeviceGrayCS':
@ -183,8 +186,8 @@ var ColorSpace = (function ColorSpaceClosure() {
case 'DeviceCmykCS':
return this.singletons.cmyk;
case 'CalGrayCS':
var whitePoint = IR[1].WhitePoint;
var blackPoint = IR[1].BlackPoint;
whitePoint = IR[1].WhitePoint;
blackPoint = IR[1].BlackPoint;
var gamma = IR[1].Gamma;
return new CalGrayCS(whitePoint, blackPoint, gamma);
case 'PatternCS':
@ -206,8 +209,8 @@ var ColorSpace = (function ColorSpaceClosure() {
return new AlternateCS(numComps, ColorSpace.fromIR(alt),
PDFFunction.fromIR(tintFnIR));
case 'LabCS':
var whitePoint = IR[1].WhitePoint;
var blackPoint = IR[1].BlackPoint;
whitePoint = IR[1].WhitePoint;
blackPoint = IR[1].BlackPoint;
var range = IR[1].Range;
return new LabCS(whitePoint, blackPoint, range);
default:
@ -252,6 +255,7 @@ var ColorSpace = (function ColorSpaceClosure() {
} else if (isArray(cs)) {
mode = cs[0].name;
this.mode = mode;
var numComps, params;
switch (mode) {
case 'DeviceGray':
@ -264,14 +268,14 @@ var ColorSpace = (function ColorSpaceClosure() {
case 'CMYK':
return 'DeviceCmykCS';
case 'CalGray':
var params = cs[1].getAll();
params = cs[1].getAll();
return ['CalGrayCS', params];
case 'CalRGB':
return 'DeviceRgbCS';
case 'ICCBased':
var stream = xref.fetchIfRef(cs[1]);
var dict = stream.dict;
var numComps = dict.get('N');
numComps = dict.get('N');
if (numComps == 1) {
return 'DeviceGrayCS';
} else if (numComps == 3) {
@ -298,7 +302,7 @@ var ColorSpace = (function ColorSpaceClosure() {
case 'Separation':
case 'DeviceN':
var name = cs[1];
var numComps = 1;
numComps = 1;
if (isName(name)) {
numComps = 1;
} else if (isArray(name)) {
@ -308,7 +312,7 @@ var ColorSpace = (function ColorSpaceClosure() {
var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3]));
return ['AlternateCS', numComps, alt, tintFnIR];
case 'Lab':
var params = cs[1].getAll();
params = cs[1].getAll();
return ['LabCS', params];
default:
error('unimplemented color space object "' + mode + '"');
@ -403,13 +407,14 @@ var AlternateCS = (function AlternateCSClosure() {
var numComps = this.numComps;
var scaled = new Float32Array(numComps);
for (var i = 0; i < count; i++) {
for (var j = 0; j < numComps; j++) {
var i, j;
for (i = 0; i < count; i++) {
for (j = 0; j < numComps; j++) {
scaled[j] = src[srcOffset++] * scale;
}
var tinted = tintFn(scaled);
if (usesZeroToOneRange) {
for (var j = 0; j < baseNumComps; j++) {
for (j = 0; j < baseNumComps; j++) {
baseBuf[pos++] = tinted[j] * 255;
}
} else {