Changes the SkCanvas::readPixels API. Allows caller to read into prealloced bitmap pixels. Changes how clipping to device bounds is handled.

Review URL: http://codereview.appspot.com/5307077/



git-svn-id: http://skia.googlecode.com/svn/trunk@2584 2bbb7eff-a529-9590-31e7-b0007b416f81
20 files changed