Initial checkin of chromecast content embedder (cast_shell) and related build scripts.

chromecast/ui/gfx/surface.h

+// Copyright (c) 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  CHROMECAST_UI_GFX_SURFACE_H_
+#define  CHROMECAST_UI_GFX_SURFACE_H_
+
+#include <vector>
+
+#include "ui/gfx/size.h"
+
+// Use double buffering if possible.
+#define DOUBLE_BUFFER 1
+
+namespace gfx {
+
+class Point;
+class Rect;
+
+namespace chromecast {
+
+const int kBytesPerPixelOfARGB = 4;
+
+class GfxPlane;
+
+// Abstract class of GFX surface.
+class Surface {
+ public:
+  Surface(GfxPlane* plane, const Size& size);
+  virtual ~Surface();
+
+  // Blits(fast copy) bitmap from a surface. Copies |src_rect| area of surface
+  // |dst_point| of this surface.
+  virtual void Blit(Surface* src_surface, const Rect& src_rect,
+                    const Point& dst_point) = 0;
+
+  // Composites ARGB values of |src_surface| on top of this surface. It is NOT
+  // copy. Used when displaying OSD images on same plane.
+  virtual void Composite(Surface* src_surface, const Rect& src_rect,
+                         const Point& dst_point) = 0;
+
+  // Copies |damage_rect| area of src bitmap into |dst_point| of this surface.
+  // It is similar to Blit() except that it accepts arbitrary bitmap pointer
+  // instead of surface.
+  virtual void CopyBitmap(char* src_bitmap, const Rect& src_rect,
+                          const Rect& damage_rect, const Point& dst_point) = 0;
+
+  // CopyBitmap() in batch mode. The size of |src_rect_vector| and
+  // |dst_point_vector| must be same.
+  virtual void BatchCopyBitmap(char* src_bitmap, const Rect& src_rect,
+                               const std::vector<Rect>& damage_rect_vector,
+                               const std::vector<Point>& dst_point_vector) = 0;
+
+  // Fills |rect| area of surface with |argb| value.
+  virtual void Fill(const Rect& rect, int argb) = 0;
+
+  // Displays a part of area specified by |rect|. Blits contents into
+  // |frame_buffer_point| of plane's frame buffer surface.
+  virtual void Display(const Rect& rect, const Point& frame_buffer_point) = 0;
+
+  GfxPlane* plane() const { return plane_; }
+  const Size& size() const { return size_; }
+
+ protected:
+  void set_size(const Size& new_size) { size_ = new_size; }
+
+ private:
+  GfxPlane* const plane_;
+  Size size_;
+};
+
+}  // namespace chromecast
+}  // namespace gfx
+
+#endif  //  CHROMECAST_UI_GFX_SURFACE_H_