move rasterclip_ helper into rasterclip

src/core/SkRasterClip.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRasterClip_DEFINED
 #define SkRasterClip_DEFINED
 
@@ skipping 21 matching lines @@
         SkASSERT(this->computeIsRect() == fIsRect);
         return fIsRect;
     }
 
     bool isComplex() const;
     const SkIRect& getBounds() const;
 
     bool setEmpty();
     bool setRect(const SkIRect&);
 
-    bool setPath(const SkPath& path, const SkRegion& clip, bool doAA);
-    bool setPath(const SkPath& path, const SkIRect& clip, bool doAA);
-
     bool op(const SkIRect&, SkRegion::Op);
     bool op(const SkRegion&, SkRegion::Op);
-    bool op(const SkRasterClip&, SkRegion::Op);
     bool op(const SkRect&, SkRegion::Op, bool doAA);
-
+    bool op(const SkPath&, const SkISize&, SkRegion::Op, bool doAA);
+    
     void translate(int dx, int dy, SkRasterClip* dst) const;
     void translate(int dx, int dy) {
         this->translate(dx, dy, this);
     }
 
     bool quickContains(const SkIRect& rect) const;
     bool quickContains(int left, int top, int right, int bottom) const {
         return quickContains(SkIRect::MakeLTRB(left, top, right, bottom));
     }
 
@@ skipping 40 matching lines @@
             fBW.setRect(fAA.getBounds());
             fAA.setEmpty(); // don't need this guy anymore
             fIsBW = true;
         }
 
         fIsRect = this->computeIsRect();
         return !fIsEmpty;
     }
 
     void convertToAA();
+
+    bool setPath(const SkPath& path, const SkRegion& clip, bool doAA);
+    bool setPath(const SkPath& path, const SkIRect& clip, bool doAA);
+    bool op(const SkRasterClip&, SkRegion::Op);
 };
 
 class SkAutoRasterClipValidate : SkNoncopyable {
 public:
     SkAutoRasterClipValidate(const SkRasterClip& rc) : fRC(rc) {
         fRC.validate();
     }
     ~SkAutoRasterClipValidate() {
         fRC.validate();
     }
@@ skipping 42 matching lines @@
 
 private:
     SkRegion        fBWRgn;
     SkAAClipBlitter fAABlitter;
     // what we return
     const SkRegion* fClipRgn;
     SkBlitter* fBlitter;
 };
 
 #endif