Call unalloc if a paint (or other cached object) is already in our list for picture recording
Use correct CompareType macro in SkCanvas::quickReject
git-svn-id: http://skia.googlecode.com/svn/trunk@138 2bbb7eff-a529-9590-31e7-b0007b416f81
add 'f' to sampleapp, which writes a png file for the currnet screen
git-svn-id: http://skia.googlecode.com/svn/trunk@47 2bbb7eff-a529-9590-31e7-b0007b416f81