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      1 // Copyright 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "cc/test/skia_common.h"
      6 
      7 #include "cc/resources/picture.h"
      8 #include "skia/ext/refptr.h"
      9 #include "third_party/skia/include/core/SkCanvas.h"
     10 #include "ui/gfx/rect.h"
     11 #include "ui/gfx/skia_util.h"
     12 
     13 namespace cc {
     14 
     15 void DrawPicture(unsigned char* buffer,
     16                  const gfx::Rect& layer_rect,
     17                  scoped_refptr<Picture> picture) {
     18   SkImageInfo info =
     19       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
     20   SkBitmap bitmap;
     21   bitmap.installPixels(info, buffer, info.minRowBytes());
     22   SkCanvas canvas(bitmap);
     23   canvas.clipRect(gfx::RectToSkRect(layer_rect));
     24   // We're drawing the entire canvas, so the negated content region is empty.
     25   gfx::Rect negated_content_region;
     26   picture->Raster(&canvas, NULL, negated_content_region, 1.0f);
     27 }
     28 
     29 void CreateBitmap(const gfx::Size& size, const char* uri, SkBitmap* bitmap) {
     30   SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height());
     31 
     32   bitmap->allocPixels(info);
     33   bitmap->pixelRef()->setImmutable();
     34   bitmap->pixelRef()->setURI(uri);
     35 }
     36 
     37 }  // namespace cc
     38