ZenBrowserMirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/zen-browser/pdf.js.git synced 2025-07-10 10:15:37 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Introduce ImageKind constants.

Browse source
This commit is contained in:
Nicholas Nethercote 2014-02-25 15:11:15 -08:00
parent 4e1f92a893
commit 42cbb5b440
4 changed files with 21 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/display/canvas.js
View file

@ -15,9 +15,9 @@
* limitations under the License.
*/
/* globals ColorSpace, DeviceCmykCS, DeviceGrayCS, DeviceRgbCS, error,
FONT_IDENTITY_MATRIX, IDENTITY_MATRIX, ImageData, isArray, isNum,
TilingPattern, OPS, Promise, Util, warn, assert, info, shadow,
TextRenderingMode, getShadingPatternFromIR */
FONT_IDENTITY_MATRIX, IDENTITY_MATRIX, ImageData, ImageKind,
isArray, isNum, TilingPattern, OPS, Promise, Util, warn, assert,
info, shadow, TextRenderingMode, getShadingPatternFromIR */
'use strict';
@ -457,7 +457,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
// There are multiple forms in which the pixel data can be passed, and
// imgData.kind tells us which one this is.
if (imgData.kind === 'grayscale_1bpp') {
if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
// Grayscale, 1 bit per pixel (i.e. black-and-white).
var destDataLength = dest.length;
var srcLength = src.byteLength;
@ -505,7 +505,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
ctx.putImageData(chunkImgData, 0, i * fullChunkHeight);
}
} else if (imgData.kind === 'rgba_32bpp') {
} else if (imgData.kind === ImageKind.RGBA_32BPP) {
// RGBA, 32-bits per pixel.
var haveSetAndSubarray = 'set' in dest && 'subarray' in src;
@ -524,7 +524,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
ctx.putImageData(chunkImgData, 0, i * fullChunkHeight);
}
} else if (imgData.kind === 'rgb_24bpp') {
} else if (imgData.kind === ImageKind.RGB_24BPP) {
// RGB, 24-bits per pixel.
for (var i = 0; i < totalChunks; i++) {
var thisChunkHeight =