Implement initial ClipRect....

gfx/canvas.h

 // Copyright (c) 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 GFX_CANVAS_H_
 #define GFX_CANVAS_H_
 
 #include <string>
 
 #include "gfx/native_widget_types.h"
@@ skipping 63 matching lines @@
   // at the specified alpha once Restore() is called.
   // |layer_bounds| are the bounds of the layer relative to the current
   // transform.
   virtual void SaveLayerAlpha(uint8 alpha) = 0;
   virtual void SaveLayerAlpha(uint8 alpha, const gfx::Rect& layer_bounds) = 0;
 
   // Restores the drawing state after a call to Save*(). It is an error to
   // call Restore() more times than Save*().
   virtual void Restore() = 0;
 
-  // Retrieves the clip rectangle and sets it in the specified rectangle if any.
-  // Returns true if the clip rect is non-empty.
-  virtual bool GetClipRect(gfx::Rect* clip_rect) = 0;
-
   // Wrapper function that takes integer arguments.
   // Returns true if the clip is non-empty.
   // See clipRect for specifics.
   virtual bool ClipRectInt(int x, int y, int w, int h) = 0;
 
-  // Test whether the provided rectangle intersects the current clip rect.
-  virtual bool IntersectsClipRectInt(int x, int y, int w, int h) = 0;
-
   // Wrapper function that takes integer arguments.
   // See translate() for specifics.
   virtual void TranslateInt(int x, int y) = 0;
 
   // Wrapper function that takes integer arguments.
   // See scale() for specifics.
   virtual void ScaleInt(int x, int y) = 0;
 
   // Fills the given rectangle with the given paint's parameters.
   virtual void FillRectInt(int x, int y, int w, int h,
@@ skipping 107 matching lines @@
   // Returns the rectangle that is invalid.
   virtual gfx::Rect GetInvalidRect() const = 0;
 
   // Returns the underlying Canvas.
   virtual Canvas* AsCanvas() = 0;
 };
 
 }  // namespace gfx;
 
 #endif  // GFX_CANVAS_H_