abstract name of clipping ops, to transtion to a more restricted set

src/utils/SkDeferredCanvas.h

 
 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDeferredCanvas_DEFINED
 #define SkDeferredCanvas_DEFINED
@@ skipping 68 matching lines @@
     void onDrawVertices(VertexMode vmode, int vertexCount,
                               const SkPoint vertices[], const SkPoint texs[],
                               const SkColor colors[], SkXfermode* xmode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint&) override;
     void onDrawAtlas(const SkImage* image, const SkRSXform xform[],
                      const SkRect rects[], const SkColor colors[],
                      int count, SkXfermode::Mode mode,
                      const SkRect* cull, const SkPaint* paint) override;
 
-    void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;
-    void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;
-    void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;
-    void onClipRegion(const SkRegion&, SkRegion::Op) override;
+    void onClipRect(const SkRect&, ClipOp, ClipEdgeStyle) override;
+    void onClipRRect(const SkRRect&, ClipOp, ClipEdgeStyle) override;
+    void onClipPath(const SkPath&, ClipOp, ClipEdgeStyle) override;
+    void onClipRegion(const SkRegion&, ClipOp) override;
 
     void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
     void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
     void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
 
     class Iter;
 
 private:
     SkCanvas* fCanvas;
 
@@ skipping 36 matching lines @@
     void flush_translate(SkScalar* x, SkScalar* y, const SkRect& bounds, const SkPaint* = nullptr);
     void flush_check(SkRect* bounds, const SkPaint*, unsigned flags = 0);
 
     void internal_flush_translate(SkScalar* x, SkScalar* y, const SkRect* boundsOrNull);
 
     typedef SkCanvas INHERITED;
 };
 
 
 #endif