ZenBrowserMirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/zen-browser/pdf.js.git synced 2025-07-08 17:30:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Move all PDFJS.xxx settings into display/global.

Browse source
This commit is contained in:
Yury Delendik 2016-03-28 14:49:22 -05:00
parent 6c9f418aae
commit 1d12aed5ca
17 changed files with 538 additions and 403 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/display/canvas.js
View file

@ -12,7 +12,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals PDFJS, ImageData */
/* globals ImageData */
'use strict';
@ -43,12 +43,14 @@ var assert = sharedUtil.assert;
var info = sharedUtil.info;
var isNum = sharedUtil.isNum;
var isArray = sharedUtil.isArray;
var isLittleEndian = sharedUtil.isLittleEndian;
var error = sharedUtil.error;
var shadow = sharedUtil.shadow;
var warn = sharedUtil.warn;
var TilingPattern = displayPatternHelper.TilingPattern;
var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
var WebGLUtils = displayWebGL.WebGLUtils;
var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
// <canvas> contexts store most of the state we need natively.
// However, PDF needs a bit more state, which we store here.
@ -67,6 +69,18 @@ var MAX_SIZE_TO_COMPILE = 1000;
var FULL_CHUNK_HEIGHT = 16;
var HasCanvasTypedArraysCached = {
get value() {
return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
}
};
var IsLittleEndianCached = {
get value() {
return shadow(IsLittleEndianCached, 'value', isLittleEndian());
}
};
function createScratchCanvas(width, height) {
var canvas = document.createElement('canvas');
canvas.width = width;
@ -505,13 +519,13 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
// Grayscale, 1 bit per pixel (i.e. black-and-white).
var srcLength = src.byteLength;
var dest32 = PDFJS.hasCanvasTypedArrays ? new Uint32Array(dest.buffer) :
new Uint32ArrayView(dest);
var dest32 = HasCanvasTypedArraysCached.value ?
new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
var dest32DataLength = dest32.length;
var fullSrcDiff = (width + 7) >> 3;
var white = 0xFFFFFFFF;
var black = (PDFJS.isLittleEndian || !PDFJS.hasCanvasTypedArrays) ?
0xFF000000 : 0x000000FF;
var black = (IsLittleEndianCached.value ||
!HasCanvasTypedArraysCached.value) ? 0xFF000000 : 0x000000FF;
for (i = 0; i < totalChunks; i++) {
thisChunkHeight =
(i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight;