add legacy/helper allocN32Pixels, and convert gm to use it
This is an intermediate api, but might help us quickly get to a point where
no one is creating bitmaps in a 2-step process (setConfig + alloc).
BUG=skia:
R=halcanary@google.com
Review URL: https://codereview.chromium.org/140593005
git-svn-id: http://skia.googlecode.com/svn/trunk@13182 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/tilemodes.cpp b/gm/tilemodes.cpp
index dcfc133..0b0a3ae 100644
--- a/gm/tilemodes.cpp
+++ b/gm/tilemodes.cpp
@@ -20,8 +20,7 @@
#include "SkBlurDrawLooper.h"
static void makebm(SkBitmap* bm, SkBitmap::Config config, int w, int h) {
- bm->setConfig(config, w, h);
- bm->allocPixels();
+ bm->allocConfigPixels(config, w, h);
bm->eraseColor(SK_ColorTRANSPARENT);
SkCanvas canvas(*bm);