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Making src/core/{image,obj,parser}.js adhere to the style guide

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Tim van der Meij 2014-03-20 20:28:22 +01:00
parent 878a123e47
commit 284288f1d0
3 changed files with 117 additions and 111 deletions
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29
src/core/image.js
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@ -47,7 +47,7 @@ var PDFImage = (function PDFImageClosure() {
function decodeAndClamp(value, addend, coefficient, max) {
value = addend + value * coefficient;
// Clamp the value to the range
return value < 0 ? 0 : value > max ? max : value;
return (value < 0 ? 0 : (value > max ? max : value));
}
function PDFImage(xref, res, image, inline, smask, mask, isMask) {
this.image = image;
@ -89,7 +89,7 @@ var PDFImage = (function PDFImageClosure() {
if (!this.imageMask) {
var colorSpace = dict.get('ColorSpace', 'CS');
if (!colorSpace) {
warn('JPX images (which don"t require color spaces');
warn('JPX images (which do not require color spaces)');
colorSpace = Name.get('DeviceRGB');
}
this.colorSpace = ColorSpace.parse(colorSpace, xref, res);
@ -134,7 +134,7 @@ var PDFImage = (function PDFImageClosure() {
var imageDataPromise = new LegacyPromise();
var smaskPromise = new LegacyPromise();
var maskPromise = new LegacyPromise();
// The image data and smask data may not be ready yet, wait till both are
// The image data and smask data may not be ready yet, wait until both are
// resolved.
Promise.all([imageDataPromise, smaskPromise, maskPromise]).then(
function(results) {
@ -170,7 +170,7 @@ var PDFImage = (function PDFImageClosure() {
};
/**
* Resize an image using the nearest neighbor algorithm. Currently only
* Resize an image using the nearest neighbor algorithm. Currently only
* supports one and three component images.
* @param {TypedArray} pixels The original image with one component.
* @param {Number} bpc Number of bits per component.
@ -184,8 +184,8 @@ var PDFImage = (function PDFImageClosure() {
PDFImage.resize = function PDFImage_resize(pixels, bpc, components,
w1, h1, w2, h2) {
var length = w2 * h2 * components;
var temp = bpc <= 8 ? new Uint8Array(length) :
bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length);
var temp = (bpc <= 8 ? new Uint8Array(length) :
(bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length)));
var xRatio = w1 / w2;
var yRatio = h1 / h2;
var px, py, newIndex, oldIndex;
@ -266,7 +266,7 @@ var PDFImage = (function PDFImageClosure() {
for (var i = 0, ii = this.width * this.height; i < ii; i++) {
for (var j = 0; j < numComps; j++) {
buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j],
decodeCoefficients[j], max);
decodeCoefficients[j], max);
index++;
}
}
@ -285,8 +285,8 @@ var PDFImage = (function PDFImageClosure() {
var length = width * height * numComps;
var bufferPos = 0;
var output = bpc <= 8 ? new Uint8Array(length) :
bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length);
var output = (bpc <= 8 ? new Uint8Array(length) :
(bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length)));
var rowComps = width * numComps;
var max = (1 << bpc) - 1;
@ -338,7 +338,7 @@ var PDFImage = (function PDFImageClosure() {
var remainingBits = bits - bpc;
var value = buf >> remainingBits;
output[i] = value < 0 ? 0 : value > max ? max : value;
output[i] = (value < 0 ? 0 : (value > max ? max : value));
buf = buf & ((1 << remainingBits) - 1);
bits = remainingBits;
}
@ -418,7 +418,7 @@ var PDFImage = (function PDFImageClosure() {
}
function clamp(value) {
return (value < 0 ? 0 : value > 255 ? 255 : value) | 0;
return (value < 0 ? 0 : (value > 255 ? 255 : value)) | 0;
}
var matteRgb = this.colorSpace.getRgb(matte, 0);
@ -442,7 +442,7 @@ var PDFImage = (function PDFImageClosure() {
createImageData: function PDFImage_createImageData(forceRGBA) {
var drawWidth = this.drawWidth;
var drawHeight = this.drawHeight;
var imgData = { // other fields are filled in below
var imgData = { // other fields are filled in below
width: drawWidth,
height: drawHeight
};
@ -529,14 +529,15 @@ var PDFImage = (function PDFImageClosure() {
},
fillGrayBuffer: function PDFImage_fillGrayBuffer(buffer) {
var numComps = this.numComps;
if (numComps != 1)
if (numComps != 1) {
error('Reading gray scale from a color image: ' + numComps);
}
var width = this.width;
var height = this.height;
var bpc = this.bpc;
// rows start at byte boundary;
// rows start at byte boundary
var rowBytes = (width * numComps * bpc + 7) >> 3;
var imgArray = this.getImageBytes(height * rowBytes);