add src-rect-constraint to drawImageRect

include/utils/SkLuaCanvas.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkLuaCanvas_DEFINED
 #define SkLuaCanvas_DEFINED
 
@@ skipping 30 matching lines @@
                                 const SkPaint& paint) override;
 
     void onDrawPaint(const SkPaint&) override;
     void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
     void onDrawRect(const SkRect&, const SkPaint&) override;
     void onDrawOval(const SkRect&, const SkPaint&) override;
     void onDrawRRect(const SkRRect&, const SkPaint&) override;
     void onDrawPath(const SkPath&, const SkPaint&) override;
     void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
-                          DrawBitmapRectFlags flags) override;
+                          SK_VIRTUAL_CONSTRAINT_TYPE) override;
     void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
-                         const SkPaint*) override;
+                         const SkPaint* SRC_RECT_CONSTRAINT_PARAM(constraint)) override;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
                           const SkPaint*) override;
     void onDrawSprite(const SkBitmap&, int left, int top, const SkPaint*) override;
     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 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 onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
 
 private:
     lua_State*  fL;
     SkString    fFunc;
 
     void sendverb(const char verb[]);
 
     typedef SkCanvas INHERITED;
 };
 
 #endif