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authorOliver Chang <ochang@chromium.org>2015-11-12 10:43:27 -0800
committerOliver Chang <ochang@chromium.org>2015-11-12 10:43:27 -0800
commit182d129bcee8f7731b9bbfde0064295ad3b37271 (patch)
tree19368ad1af8518f01aecc2c20920490135d7694e /fpdfsdk/src
parent0d5d104521173ff740f2f92ea768ff7f362f731a (diff)
downloadpdfium-182d129bcee8f7731b9bbfde0064295ad3b37271.tar.xz
Clear decoders after the image decoder in the /Filter array.
During decoding, when an image decoder is encountered, any subsequent decoders are ignored, but remain in the array. However, later on CPDF_DIBSource::ValidateDictParam expects the image decoder to be the last in the array, causing issues. A check is also added in CPDF_DIBSource::GetScanline to ensure that the calculated pitch value is <= the (4-aligned) pitch value in the cached bitmap to prevent future issues. Also cleans up some NULL usages. BUG=552046 R=jun_fang@foxitsoftware.com, tsepez@chromium.org Review URL: https://codereview.chromium.org/1406943005 .
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