tree 3d941a02ef3d63dfd33d5762c01dded7c44c8af5
parent 34422610ac22adceeabb66023120f27b96cae953
author msarett <msarett@google.com> 1444670678 -0700
committer Commit bot <commit-bot@chromium.org> 1444670678 -0700

SkBitmapRegionDecoder clean-up

Use SkCodecPrintf instead of SkDebugf.

Check if the conversion is possible rather than starting many decodes
that will certainly fail.

Small refactor to code that deals with subsets that fall outside
of the image.

BUG=skia:

Review URL: https://codereview.chromium.org/1395383002