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Ensure that JpegImage.getData returns the correct data length when forceRGBoutput == true (issue 4888)

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With PDF.js version `2.0` we'll only support browsers with built-in `TypedArray` functionality, hence there doesn't seem to be any good reason not to implement this now.

Fixes 4888.
This commit is contained in:
Jonas Jenwald 2018-02-11 13:13:11 +01:00
parent ea3d8450d2
commit 11ab3b5c00
2 changed files with 24 additions and 3 deletions
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21
test/unit/api_spec.js
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@ -18,7 +18,7 @@ import {
} from './test_utils';
import {
createPromiseCapability, FontType, InvalidPDFException, MissingPDFException,
PasswordException, PasswordResponses, StreamType, stringToBytes
OPS, PasswordException, PasswordResponses, StreamType, stringToBytes
} from '../../src/shared/util';
import {
DOMCanvasFactory, RenderingCancelledException
@ -1104,6 +1104,25 @@ describe('api', function() {
done.fail(reason);
});
});
it('gets operatorList with JPEG image (issue 4888)', function(done) {
let loadingTask = getDocument(buildGetDocumentParams('cmykjpeg.pdf'));
loadingTask.promise.then((pdfDoc) => {
pdfDoc.getPage(1).then((pdfPage) => {
pdfPage.getOperatorList().then((opList) => {
let imgIndex = opList.fnArray.indexOf(OPS.paintImageXObject);
let imgArgs = opList.argsArray[imgIndex];
let { data: imgData, } = pdfPage.objs.get(imgArgs[0]);
expect(imgData instanceof Uint8ClampedArray).toEqual(true);
expect(imgData.length).toEqual(90000);
done();
});
});
}).catch(function (reason) {
done.fail(reason);
});
});
it('gets stats after parsing page', function (done) {
var promise = page.getOperatorList().then(function () {
return pdfDocument.getStats();