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Fallback to built-in image decoding if the NativeImageDecoder fails

In particular this means that if 'JpegDecode', in `src/display/api.js`, fails we'll fallback to the built-in JPEG decoder.
This commit is contained in:
Jonas Jenwald 2018-02-01 15:32:09 +01:00
parent 2570717e77
commit 76afe1018b
2 changed files with 9 additions and 6 deletions

View file

@ -27,7 +27,11 @@ var PDFImage = (function PDFImageClosure() {
*/
function handleImageData(image, nativeDecoder) {
if (nativeDecoder && nativeDecoder.canDecode(image)) {
return nativeDecoder.decode(image);
return nativeDecoder.decode(image).catch((reason) => {
warn('Native image decoding failed -- trying to recover: ' +
(reason && reason.message));
return image;
});
}
return Promise.resolve(image);
}