add SkImage::newSurface

src/image/SkSurface.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSurface_Base.h"
 #include "SkImagePriv.h"
 #include "SkCanvas.h"
@@ skipping 29 matching lines @@
 
 SkSurfaceProps::SkSurfaceProps(uint32_t flags, InitType)
     : fFlags(flags)
     , fPixelGeometry(compute_default_geometry())
 {}
 
 SkSurfaceProps::SkSurfaceProps(uint32_t flags, SkPixelGeometry pg)
     : fFlags(flags), fPixelGeometry(pg)
 {}
 
+SkSurfaceProps::SkSurfaceProps(const SkSurfaceProps& other)
+    : fFlags(other.fFlags)
+    , fPixelGeometry(other.fPixelGeometry)
+{}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 SkSurface_Base::SkSurface_Base(int width, int height, const SkSurfaceProps* props)
     : INHERITED(width, height, props)
 {
     fCachedCanvas = NULL;
     fCachedImage = NULL;
 }
 
 SkSurface_Base::SkSurface_Base(const SkImageInfo& info, const SkSurfaceProps* props)
@@ skipping 144 matching lines @@
 SkSurface* SkSurface::NewRenderTarget(GrContext*, const SkImageInfo&, int, const SkSurfaceProps*) {
     return NULL;
 }
 
 SkSurface* SkSurface::NewScratchRenderTarget(GrContext*, const SkImageInfo&, int sampleCount,
                                              const SkSurfaceProps*) {
     return NULL;
 }
 
 #endif