Index: cc/resources/transparency_display_item.h |
diff --git a/cc/resources/transparency_display_item.h b/cc/resources/transparency_display_item.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6766d91d2fde0ff9eb3d54e9d5cb3e9c914aa16b |
--- /dev/null |
+++ b/cc/resources/transparency_display_item.h |
@@ -0,0 +1,64 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CC_RESOURCES_TRANSPARENCY_DISPLAY_ITEM_H_ |
+#define CC_RESOURCES_TRANSPARENCY_DISPLAY_ITEM_H_ |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "cc/base/cc_export.h" |
+#include "cc/resources/display_item.h" |
+#include "skia/ext/refptr.h" |
+#include "third_party/skia/include/core/SkXfermode.h" |
+#include "ui/gfx/geometry/rect_f.h" |
+ |
+class SkCanvas; |
+class SkDrawPictureCallback; |
+ |
+namespace cc { |
+ |
+class CC_EXPORT TransparencyDisplayItem : public DisplayItem { |
+ public: |
+ virtual ~TransparencyDisplayItem(); |
+ |
+ static scoped_ptr<TransparencyDisplayItem> Create( |
+ float opacity, |
+ SkXfermode::Mode blend_mode) { |
+ return make_scoped_ptr(new TransparencyDisplayItem(opacity, blend_mode)); |
+ } |
+ |
+ void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override; |
+ |
+ bool IsSuitableForGpuRasterization() const override; |
+ int ApproximateOpCount() const override; |
+ size_t PictureMemoryUsage() const override; |
+ |
+ protected: |
+ TransparencyDisplayItem(float opacity, SkXfermode::Mode blend_mode); |
+ |
+ private: |
+ float opacity_; |
+ SkXfermode::Mode blend_mode_; |
+}; |
+ |
+class CC_EXPORT EndTransparencyDisplayItem : public DisplayItem { |
+ public: |
+ virtual ~EndTransparencyDisplayItem(); |
+ |
+ static scoped_ptr<EndTransparencyDisplayItem> Create() { |
+ return make_scoped_ptr(new EndTransparencyDisplayItem()); |
+ } |
+ |
+ void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override; |
+ |
+ bool IsSuitableForGpuRasterization() const override; |
+ int ApproximateOpCount() const override; |
+ size_t PictureMemoryUsage() const override; |
+ |
+ protected: |
+ EndTransparencyDisplayItem(); |
+}; |
+ |
+} // namespace cc |
+ |
+#endif // CC_RESOURCES_TRANSPARENCY_DISPLAY_ITEM_H_ |