add SkSurface::NewRasterDirectReleaseProc

include/core/SkSurface.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkSurface_DEFINED
 #define SkSurface_DEFINED
 
@@ skipping 20 matching lines @@
     /**
      *  Create a new surface, using the specified pixels/rowbytes as its
      *  backend.
      *
      *  If the requested surface cannot be created, or the request is not a
      *  supported configuration, NULL will be returned.
      */
     static SkSurface* NewRasterDirect(const SkImageInfo&, void* pixels, size_t rowBytes);
 
     /**
+     *  The same as NewRasterDirect, but also accepts a call-back routine, which is invoked
+     *  when the surface is deleted, and is passed the pixel memory and the specified context.
+     */
+    static SkSurface* NewRasterDirectReleaseProc(const SkImageInfo&, void* pixels, size_t rowBytes,
+                                                 void (*releaseProc)(void* pixels, void* context),
+                                                 void* context);
+
+    /**
      *  Return a new surface, with the memory for the pixels automatically
      *  allocated.
      *
      *  If the requested surface cannot be created, or the request is not a
      *  supported configuration, NULL will be returned.
      */
     static SkSurface* NewRaster(const SkImageInfo&);
 
     /**
      *  Helper version of NewRaster. It creates a SkImageInfo with the
@@ skipping 144 matching lines @@
 
 private:
     const int   fWidth;
     const int   fHeight;
     uint32_t    fGenerationID;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif