Add dump() to SkClipStack to help with debugging.

include/core/SkClipStack.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkClipStack_DEFINED
 #define SkClipStack_DEFINED
 
@@ skipping 30 matching lines @@
     public:
         enum Type {
             //!< This element makes the clip empty (regardless of previous elements).
             kEmpty_Type,
             //!< This element combines a rect with the current clip using a set operation
             kRect_Type,
             //!< This element combines a round-rect with the current clip using a set operation
             kRRect_Type,
             //!< This element combines a path with the current clip using a set operation
             kPath_Type,
+
+            kLastType = kPath_Type
         };
+        static const int kTypeCnt = kLastType + 1;
 
         Element() {
             this->initCommon(0, SkRegion::kReplace_Op, false);
             this->setEmpty();
         }
 
         Element(const Element&);
 
         Element(const SkRect& rect, SkRegion::Op op, bool doAA) {
             this->initRect(0, rect, op, doAA);
@@ skipping 96 matching lines @@
          */
         bool isInverseFilled() const {
             return kPath_Type == fType && fPath.get()->isInverseFillType();
         }
 
         /**
         * Replay this clip into the visitor.
         */
         void replay(SkCanvasClipVisitor*) const;
 
+#ifdef SK_DEVELOPER
+        /**
+         * Dumps the element to SkDebugf. This is intended for Skia development debugging
+         * Don't rely on the existence of this function or the formatting of its output.
+         */
+        void dump() const;
+#endif
+
     private:
         friend class SkClipStack;
 
         SkTLazy<SkPath> fPath;
         SkRRect         fRRect;
         int             fSaveCount; // save count of stack when this element was added.
         SkRegion::Op    fOp;
         Type            fType;
         bool            fDoAA;
 
@@ skipping 156 matching lines @@
      * (potentially ignorable) cases
      */
     static const int32_t kInvalidGenID = 0;     //!< Invalid id that is never returned by
                                                 //!< SkClipStack. Useful when caching clips
                                                 //!< based on GenID.
     static const int32_t kEmptyGenID = 1;       // no pixels writeable
     static const int32_t kWideOpenGenID = 2;    // all pixels writeable
 
     int32_t getTopmostGenID() const;
 
+#ifdef SK_DEVELOPER
+    /**
+     * Dumps the contents of the clip stack to SkDebugf. This is intended for Skia development
+     * debugging. Don't rely on the existence of this function or the formatting of its output.
+     */
+    void dump() const;
+#endif
+
 public:
     class Iter {
     public:
         enum IterStart {
             kBottom_IterStart = SkDeque::Iter::kFront_IterStart,
             kTop_IterStart = SkDeque::Iter::kBack_IterStart
         };
 
         /**
          * Creates an uninitialized iterator. Must be reset()
@@ skipping 97 matching lines @@
      */
     void restoreTo(int saveCount);
 
     /**
      * Return the next unique generation ID.
      */
     static int32_t GetNextGenID();
 };
 
 #endif