tree af812bd6efebdd5dfec260883ee9047426011652
parent 8db52b6367956c22e0cb1be8a9b77b154d21bbf9
author msarett <msarett@google.com> 1441029313 -0700
committer Commit bot <commit-bot@chromium.org> 1441029313 -0700

Scanline decoding for bmp

Redesigns SkScanlineDecoder.h to indicate the ordering
in which the scanlines are provided

Refactors SkSwizzler::Fill() to include the zeroInit check
and to actually be correct.

BUG=skia:3257
BUG=skia:4198

Review URL: https://codereview.chromium.org/1287423002