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authorJun Fang <jun_fang@foxitsoftware.com>2015-09-29 10:24:54 +0800
committerJun Fang <jun_fang@foxitsoftware.com>2015-09-29 10:40:24 +0800
commit3d494aff5ee1d0d313ccdce0aaf4ae44078bcd52 (patch)
tree7517d97a778a489d947ea25ef6d75b5ca66ed4c3 /core/src/fxcodec
parent1e87d8a58b638bb3fd5f9683f06b74e13e9533a2 (diff)
downloadpdfium-3d494aff5ee1d0d313ccdce0aaf4ae44078bcd52.tar.xz
Merge to XFA: Fix blank page issue caused by too strict correction on bpc
For bit per component (bpc), PDF spec mentions that a RunLengthDecode or DCTDecode filter shall always deliver 8-bit samples. However, some PDF files don't follow this rule. We can find that filter is RunLengthDecode but bpc is 1 in the provided test file. In this case, pdfium will correct bpc to 8 but the actual bpc is 1. It causes a failure because the data is much more than the expected. To handle this case, pdfium doesn't correct bpc to 8 when the original bpc is 1. BUG=512557 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1328213002 .
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