use pixmaps for dst in sprites -- NO BITMAPS

src/core/SkBitmap.cpp

 
 /*
  * Copyright 2008 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.
  */
 
 
 #include "SkBitmap.h"
@@ skipping 1370 matching lines @@
                                                                                fPixelRefOrigin.y(),
                                                                                res.fRowBytes);
 
         result->reset(SkPixmap(this->info(), addr, res.fRowBytes, res.fCTable),
                       res.fUnlockProc, res.fUnlockContext);
         return true;
     }
     return false;
 }
 
+bool SkBitmap::peekPixels(SkPixmap* pmap) const {
+    if (fPixels) {
+        if (pmap) {
+            pmap->reset(fInfo, fPixels, fRowBytes, fColorTable);
+        }
+        return true;
+    }
+    return false;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef SK_DEBUG
 void SkImageInfo::validate() const {
     SkASSERT(fWidth >= 0);
     SkASSERT(fHeight >= 0);
     SkASSERT(SkColorTypeIsValid(fColorType));
     SkASSERT(SkAlphaTypeIsValid(fAlphaType));
 }
 #endif