cc/test/skia_common.cc

   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