1 files changed, 57 insertions, 0 deletions
diff --git a/chromium/cc/layers/image_layer.h b/chromium/cc/layers/image_layer.h
new file mode 100644
index 00000000000..ae8383a22c3
--- /dev/null
+++ b/chromium/cc/layers/image_layer.h
@@ -0,0 +1,57 @@
+// Copyright 2010 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_IMAGE_LAYER_H_
+#define CC_LAYERS_IMAGE_LAYER_H_
+
+#include "cc/base/cc_export.h"
+#include "cc/layers/content_layer.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+namespace cc {
+
+class ImageLayerUpdater;
+
+// A Layer that contains only an Image element.
+class CC_EXPORT ImageLayer : public TiledLayer {
+ public:
+  static scoped_refptr<ImageLayer> Create();
+
+  // Layer implementation.
+  virtual bool DrawsContent() const OVERRIDE;
+  virtual void SetTexturePriorities(const PriorityCalculator& priority_calc)
+      OVERRIDE;
+  virtual bool Update(ResourceUpdateQueue* queue,
+                      const OcclusionTracker* occlusion) OVERRIDE;
+  virtual void CalculateContentsScale(float ideal_contents_scale,
+                                      float device_scale_factor,
+                                      float page_scale_factor,
+                                      bool animating_transform_to_screen,
+                                      float* contents_scale_x,
+                                      float* contents_scale_y,
+                                      gfx::Size* content_bounds) OVERRIDE;
+
+  void SetBitmap(const SkBitmap& image);
+
+ private:
+  ImageLayer();
+  virtual ~ImageLayer();
+
+  // TiledLayer Implementation.
+  virtual LayerUpdater* Updater() const OVERRIDE;
+  virtual void CreateUpdaterIfNeeded() OVERRIDE;
+
+  float ImageContentsScaleX() const;
+  float ImageContentsScaleY() const;
+
+  SkBitmap bitmap_;
+
+  scoped_refptr<ImageLayerUpdater> updater_;
+
+  DISALLOW_COPY_AND_ASSIGN(ImageLayer);
+};
+
+}  // namespace cc
+
+#endif  // CC_LAYERS_IMAGE_LAYER_H_