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Introduce ImageKind constants.

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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
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8
src/core/evaluator.js
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@ -16,7 +16,7 @@
*/
/* globals assert, assertWellFormed, ColorSpace, Dict, Encodings, error,
ErrorFont, Font, FONT_IDENTITY_MATRIX, fontCharsToUnicode, FontFlags,
info, isArray, isCmd, isDict, isEOF, isName, isNum,
ImageKind, info, isArray, isCmd, isDict, isEOF, isName, isNum,
isStream, isString, JpegStream, Lexer, Metrics, Name, Parser,
Pattern, PDFImage, PDFJS, serifFonts, stdFontMap, symbolsFonts,
getTilingPatternIR, warn, Util, Promise, LegacyPromise,
@ -166,8 +166,8 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
(w + h) < SMALL_IMAGE_DIMENSIONS) {
var imageObj = new PDFImage(this.xref, resources, image,
inline, null, null);
// We force the use of 'rgba_32bpp' images here, because we can't
// handle any other kind.
// We force the use of RGBA_32BPP images here, because we can't handle
// any other kind.
var imgData = imageObj.createImageData(/* forceRGBA = */ true);
operatorList.addOp(OPS.paintInlineImageXObject, [imgData]);
return;
@ -1321,7 +1321,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
// replacing queue items
squash(fnArray, j, count * 4, OPS.paintInlineImageXObjectGroup);
argsArray.splice(j, count * 4,
[{width: imgWidth, height: imgHeight, kind: 'rgba_32bpp',
[{width: imgWidth, height: imgHeight, kind: ImageKind.RGBA_32BPP,
data: imgData}, map]);
i = j;
ii = argsArray.length;

10
src/core/image.js
View file

@ -14,8 +14,8 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals ColorSpace, error, isArray, isStream, JpegStream, Name, Promise,
Stream, warn, LegacyPromise */
/* globals ColorSpace, error, isArray, ImageKind, isStream, JpegStream, Name,
Promise, Stream, warn, LegacyPromise */
'use strict';
@ -444,9 +444,9 @@ var PDFImage = (function PDFImageClosure() {
// complications, we avoid expanding by 1.333x to RGBA form.
var kind;
if (this.colorSpace.name === 'DeviceGray' && bpc === 1) {
kind = 'grayscale_1bpp';
kind = ImageKind.GRAYSCALE_1BPP;
} else if (this.colorSpace.name === 'DeviceRGB' && bpc === 8) {
kind = 'rgb_24bpp';
kind = ImageKind.RGB_24BPP;
}
if (kind && !this.smask && !this.mask && !this.needsDecode &&
drawWidth === originalWidth && drawHeight === originalHeight) {
@ -482,7 +482,7 @@ var PDFImage = (function PDFImageClosure() {
this.undoPreblend(rgbaBuf, drawWidth, actualHeight);
imgData.kind = 'rgba_32bpp';
imgData.kind = ImageKind.RGBA_32BPP;
imgData.data = rgbaBuf;
return imgData;
},