Expose array of bitmaps contained by gfx::Image similar to NSImage

ui/gfx/canvas.h

 // Copyright (c) 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 UI_GFX_CANVAS_H_
 #define UI_GFX_CANVAS_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 255 matching lines @@
   void DrawBitmapInt(const SkBitmap& bitmap,
                      int src_x, int src_y, int src_w, int src_h,
                      int dest_x, int dest_y, int dest_w, int dest_h,
                      bool filter);
   void DrawBitmapInt(const SkBitmap& bitmap,
                      int src_x, int src_y, int src_w, int src_h,
                      int dest_x, int dest_y, int dest_w, int dest_h,
                      bool filter,
                      const SkPaint& paint);
 
+  // TODO(pkotwicz): make this function private once gfx::ImageSkia stops
+  // calling this method.
+  void DrawBitmapFloat(const SkBitmap& bitmap,
+                       float src_x, float src_y, float src_w, float src_h,
+                       float dest_x, float dest_y, float dest_w, float dest_h,
+                       bool filter,
+                       const SkPaint& paint);
+
   // Draws text with the specified color, font and location. The text is
   // aligned to the left, vertically centered, clipped to the region. If the
   // text is too big, it is truncated and '...' is added to the end.
   void DrawStringInt(const string16& text,
                      const gfx::Font& font,
                      SkColor color,
                      int x, int y, int w, int h);
   void DrawStringInt(const string16& text,
                      const gfx::Font& font,
                      SkColor color,
@@ skipping 73 matching lines @@
 
   scoped_ptr<skia::PlatformCanvas> owned_canvas_;
   SkCanvas* canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(Canvas);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_CANVAS_H_