Moving updateClipConservativelyUsingBounds into SkCanvas

include/core/SkCanvas.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkCanvas_DEFINED
@@ skipping 976 matching lines @@
 
     // all of the drawBitmap variants call this guy
     void commonDrawBitmap(const SkBitmap&, const SkIRect*, const SkMatrix&,
                           const SkPaint& paint);
 
     // Clip rectangle bounds. Called internally by saveLayer.
     // returns false if the entire rectangle is entirely clipped out
     bool clipRectBounds(const SkRect* bounds, SaveFlags flags,
                         SkIRect* intersection);
 
+    // Called by child classes that override clipPath and clipRRect to only
+    // track fast conservative clip bounds, rather than exact clips.
+    bool updateClipConservativelyUsingBounds(const SkRect&, SkRegion::Op,
+                                             bool inverseFilled);
+
     // notify our surface (if we have one) that we are about to draw, so it
     // can perform copy-on-write or invalidate any cached images
     void predrawNotify();
 
     /** DEPRECATED -- use constructor(device)
 
      Marked as 'protected' to avoid new clients using this before we can
      completely remove it.
 
      Specify a device for this canvas to draw into. If it is not null, its
@@ skipping 125 matching lines @@
             fCanvas = NULL;
         }
     }
 
 private:
     SkCanvas*   fCanvas;
     int         fSaveCount;
 };
 
 #endif