all slides
add beforeChild/afterChild methods for parents to wack the canvas before/after
it draws. These are called after the std child-view translate and clip, unlike
beforeChildren/afterChildren
git-svn-id: http://skia.googlecode.com/svn/trunk@324 2bbb7eff-a529-9590-31e7-b0007b416f81
need to separate out SK_BUILD_FOR_MAC when we need to know where certain OS
headers are, and SK_BUILD_FOR_SDL when we are choosing an SkOSWindow variant...
git-svn-id: http://skia.googlecode.com/svn/trunk@190 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