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/display_item_list.h"
   8 #include "cc/resources/picture.h"
   9 #include "skia/ext/refptr.h"
  10 #include "third_party/skia/include/core/SkCanvas.h"
  11 #include "ui/gfx/geometry/rect.h"
  12 #include "ui/gfx/skia_util.h"
  13
  14 namespace cc {
  15
  16 void DrawPicture(unsigned char* buffer,
  17                  const gfx::Rect& layer_rect,
  18                  scoped_refptr<Picture> picture) {
  19   SkImageInfo info =
  20       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
  21   SkBitmap bitmap;
  22   bitmap.installPixels(info, buffer, info.minRowBytes());
  23   SkCanvas canvas(bitmap);
  24   canvas.clipRect(gfx::RectToSkRect(layer_rect));
  25   // We're drawing the entire canvas, so the negated content region is empty.
  26   gfx::Rect negated_content_region;
  27   picture->Raster(&canvas, NULL, negated_content_region, 1.0f);
  28 }
  29
  30 void DrawDisplayList(unsigned char* buffer,
  31                      const gfx::Rect& layer_rect,
  32                      scoped_refptr<DisplayItemList> list) {
  33   SkImageInfo info =
  34       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
  35   SkBitmap bitmap;
  36   bitmap.installPixels(info, buffer, info.minRowBytes());
  37   SkCanvas canvas(bitmap);
  38   canvas.clipRect(gfx::RectToSkRect(layer_rect));
  39   list->Raster(&canvas, NULL, 1.0f);
  40 }
  41
  42 void CreateBitmap(const gfx::Size& size, const char* uri, SkBitmap* bitmap) {
  43   SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height());
  44
  45   bitmap->allocPixels(info);
  46   bitmap->pixelRef()->setImmutable();
  47   bitmap->pixelRef()->setURI(uri);
  48 }
  49
  50 }  // namespace cc