Add onDrawBitmapLattice(), avoid unnecessary bitmap->image copy

include/core/SkDevice.h

 /*
  * Copyright 2010 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 SkDevice_DEFINED
 #define SkDevice_DEFINED
 
@@ skipping 180 matching lines @@
     /**
      *  The default impl. will create a bitmap-shader from the bitmap,
      *  and call drawRect with it.
      */
     virtual void drawBitmapRect(const SkDraw&, const SkBitmap&,
                                 const SkRect* srcOrNull, const SkRect& dst,
                                 const SkPaint& paint,
                                 SkCanvas::SrcRectConstraint) = 0;
     virtual void drawBitmapNine(const SkDraw&, const SkBitmap&, const SkIRect& center,
                                 const SkRect& dst, const SkPaint&);
+    virtual void drawBitmapLattice(const SkDraw&, const SkBitmap&, const SkCanvas::Lattice&,
+                                   const SkRect& dst, const SkPaint&);
 
     virtual void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&);
     virtual void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
                                const SkPaint&, SkCanvas::SrcRectConstraint);
     virtual void drawImageNine(const SkDraw&, const SkImage*, const SkIRect& center,
                                const SkRect& dst, const SkPaint&);
     virtual void drawImageLattice(const SkDraw&, const SkImage*, const SkCanvas::Lattice&,
                                   const SkRect& dst, const SkPaint&);
 
     /**
@@ skipping 160 matching lines @@
     SkSurfaceProps fSurfaceProps;
 
 #ifdef SK_SUPPORT_LEGACY_ACCESSBITMAP
     SkBitmap    fLegacyBitmap;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif