Add `SkIRect bounds()` convenience method to SkImageInfo and SkBitmap.

gm/texturedomaineffect.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
@@ skipping 87 matching lines @@
         }
 
         SkTArray<SkMatrix> textureMatrices;
         textureMatrices.push_back().setIDiv(texture->width(), texture->height());
         textureMatrices.push_back() = textureMatrices[0];
         textureMatrices.back().postScale(1.5f, 0.85f);
         textureMatrices.push_back() = textureMatrices[0];
         textureMatrices.back().preRotate(45.f, texture->width() / 2.f, texture->height() / 2.f);
 
         const SkIRect texelDomains[] = {
-            SkIRect::MakeWH(fBmp.width(), fBmp.height()),
+            fBmp.bounds(),
             SkIRect::MakeXYWH(fBmp.width() / 4,
                               fBmp.height() / 4,
                               fBmp.width() / 2,
                               fBmp.height() / 2),
         };
 
-        SkRect renderRect = SkRect::MakeWH(SkIntToScalar(fBmp.width()),
-                                           SkIntToScalar(fBmp.height()));
+        SkRect renderRect = SkRect::Make(fBmp.bounds());
         renderRect.outset(kDrawPad, kDrawPad);
 
         SkScalar y = kDrawPad + kTestPad;
         for (int tm = 0; tm < textureMatrices.count(); ++tm) {
             for (size_t d = 0; d < SK_ARRAY_COUNT(texelDomains); ++d) {
                 SkScalar x = kDrawPad + kTestPad;
                 for (int m = 0; m < GrTextureDomain::kModeCount; ++m) {
                     GrTextureDomain::Mode mode = (GrTextureDomain::Mode) m;
                     SkAutoTUnref<GrFragmentProcessor> fp(
                         GrTextureDomainEffect::Create(texture, textureMatrices[tm],
@@ skipping 30 matching lines @@
 };
 
 // Windows builds did not like SkScalar initialization in class :(
 const SkScalar TextureDomainEffect::kDrawPad = 10.f;
 const SkScalar TextureDomainEffect::kTestPad = 10.f;
 
 DEF_GM( return SkNEW(TextureDomainEffect); )
 }
 
 #endif