path ops : make it real

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 363 matching lines @@
                           bool doAntiAlias = false);
 
     /** EXPERIMENTAL -- only used for testing
         Set to false to force clips to be hard, even if doAntiAlias=true is
         passed to clipRect or clipPath.
      */
     void setAllowSoftClip(bool allow) {
         fAllowSoftClip = allow;
     }
 
+    /** EXPERIMENTAL -- only used for testing
+        Set to simplify clip stack using path ops.
+     */
+    void setAllowSimplifyClip(bool allow) {
+        fAllowSimplifyClip = allow;
+    }
+
     /** Modify the current clip with the specified region. Note that unlike
         clipRect() and clipPath() which transform their arguments by the current
         matrix, clipRegion() assumes its argument is already in device
         coordinates, and so no transformation is performed.
         @param deviceRgn    The region to apply to the current clip
         @param op The region op to apply to the current clip
         @return true if the canvas' new clip is non-empty
     */
     virtual bool clipRegion(const SkRegion& deviceRgn,
                             SkRegion::Op op = SkRegion::kIntersect_Op);
@@ skipping 663 matching lines @@
     static void DrawTextDecorations(const SkDraw& draw, const SkPaint& paint,
                                     const char text[], size_t byteLength,
                                     SkScalar x, SkScalar y);
 
     /*  These maintain a cache of the clip bounds in local coordinates,
         (converted to 2s-compliment if floats are slow).
      */
     mutable SkRectCompareType fLocalBoundsCompareType;
     mutable bool              fLocalBoundsCompareTypeDirty;
     bool fAllowSoftClip;
+    bool fAllowSimplifyClip;
 
     const SkRectCompareType& getLocalClipBoundsCompareType() const {
         if (fLocalBoundsCompareTypeDirty) {
             this->computeLocalClipBoundsCompareType();
             fLocalBoundsCompareTypeDirty = false;
         }
         return fLocalBoundsCompareType;
     }
     void computeLocalClipBoundsCompareType() const;
 
+
     class AutoValidateClip : ::SkNoncopyable {
     public:
         explicit AutoValidateClip(SkCanvas* canvas) : fCanvas(canvas) {
             fCanvas->validateClip();
         }
         ~AutoValidateClip() { fCanvas->validateClip(); }
 
     private:
         const SkCanvas* fCanvas;
     };
@@ skipping 36 matching lines @@
             fCanvas = NULL;
         }
     }
 
 private:
     SkCanvas*   fCanvas;
     int         fSaveCount;
 };
 
 #endif