tree 3031d7080a9616dfa6d8d4d997e72eaed4ab1b1a
parent f20a34c0f2dfca49f735a0f11147254c26831e7c
author Oliver Chang <ochang@chromium.org> 1447285584 -0800
committer Oliver Chang <ochang@chromium.org> 1447285584 -0800

Fix extraction of colour components in CPDF_DIBSource::DownSampleScanline32Bit

Previously, if |m_bpc| was < 8 (e.g. 4), this function may still try to
access the source components as if |m_bpc| == 8. Even when it fell into
the codepath that tried to do the right thing in this case, it was
wrong.

BUG=554151
R=tsepez@chromium.org, thestig@chromium.org

Review URL: https://codereview.chromium.org/1433423002 .