Initial import.

1 files changed, 62 insertions, 0 deletions

diff --git a/chromium/cc/layers/nine_patch_layer.h b/chromium/cc/layers/nine_patch_layer.h
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+++ b/chromium/cc/layers/nine_patch_layer.h
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+// 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_LAYERS_NINE_PATCH_LAYER_H_
+#define CC_LAYERS_NINE_PATCH_LAYER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/base/cc_export.h"
+#include "cc/layers/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 bool Update(ResourceUpdateQueue* queue,
+                      const OcclusionTracker* occlusion) 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_;
+
+  DISALLOW_COPY_AND_ASSIGN(NinePatchLayer);
+};
+
+}  // namespace cc
+
+#endif  // CC_LAYERS_NINE_PATCH_LAYER_H_