Part 10 of cc/ directory shuffles: layers

cc/nine_patch_layer.h

-// Copyright 2012 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_NINE_PATCH_LAYER_H_
-#define CC_NINE_PATCH_LAYER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "cc/layer.h"
-#include "cc/resources/image_layer_updater.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/gfx/rect.h"
-
-namespace cc {
-
-class ResourceUpdateQueue;
-
-class CC_EXPORT NinePatchLayer : public Layer {
- public:
-  static scoped_refptr<NinePatchLayer> Create();
-
-  virtual bool DrawsContent() const OVERRIDE;
-  virtual void SetTexturePriorities(const PriorityCalculator& priority_calc)
-      OVERRIDE;
-  virtual void Update(ResourceUpdateQueue* queue,
-                      const OcclusionTracker* occlusion,
-                      RenderingStats* stats) OVERRIDE;
-  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
-
-  // aperture is in the pixel space of the bitmap resource and refers to
-  // the center patch of the ninepatch (which is unused in this
-  // implementation). We split off eight rects surrounding it and stick them
-  // on the edges of the layer. The corners are unscaled, the top and bottom
-  // rects are x-stretched to fit, and the left and right rects are
-  // y-stretched to fit.
-  void SetBitmap(const SkBitmap& bitmap, gfx::Rect aperture);
-
- private:
-  NinePatchLayer();
-  virtual ~NinePatchLayer();
-  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
-      OVERRIDE;
-
-  void CreateUpdaterIfNeeded();
-  void CreateResource();
-
-  scoped_refptr<ImageLayerUpdater> updater_;
-  scoped_ptr<LayerUpdater::Resource> resource_;
-
-  SkBitmap bitmap_;
-  bool bitmap_dirty_;
-
-  // The transparent center region that shows the parent layer's contents in
-  // image space.
-  gfx::Rect image_aperture_;
-};
-
-}  // namespace cc
-
-#endif  // CC_NINE_PATCH_LAYER_H_