Break up SkLazyPixelRef functionally into class hierarchy.

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"
 #include "SkColorPriv.h"
 #include "SkDither.h"
 #include "SkFlattenable.h"
+#include "SkImagePriv.h"
 #include "SkMallocPixelRef.h"
 #include "SkMask.h"
 #include "SkOrderedReadBuffer.h"
 #include "SkOrderedWriteBuffer.h"
 #include "SkPixelRef.h"
 #include "SkThread.h"
 #include "SkUnPreMultiply.h"
 #include "SkUtils.h"
 #include "SkValidationUtils.h"
 #include "SkPackBits.h"
@@ skipping 301 matching lines @@
 
     SkDEBUGCODE(this->validate();)
     return true;
 
     // if we got here, we had an error, so we reset the bitmap to empty
 BAD_CONFIG:
     this->reset();
     return false;
 }
 
+bool SkBitmap::setConfig(const SkImageInfo& info, size_t rowBytes) {
+    return this->setConfig(SkImageInfoToBitmapConfig(info), info.fWidth,
+                           info.fHeight, rowBytes, info.fAlphaType);
+}
+
 bool SkBitmap::setAlphaType(SkAlphaType alphaType) {
     if (!validate_alphaType(this->config(), alphaType, &alphaType)) {
         return false;
     }
     fAlphaType = SkToU8(alphaType);
     return true;
 }
 
 void SkBitmap::updatePixelsFromRef() const {
     if (NULL != fPixelRef) {
@@ skipping 1358 matching lines @@
         if (NULL != uri) {
             str->appendf(" uri:\"%s\"", uri);
         } else {
             str->appendf(" pixelref:%p", pr);
         }
     }
 
     str->append(")");
 }
 #endif