stop calling SkCanvas::getDevice

tools/CopyTilesRenderer.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 "picture_utils.h"
 #include "CopyTilesRenderer.h"
 #include "SkCanvas.h"
@@ skipping 39 matching lines @@
                 SkAutoCanvasRestore autoRestore(fCanvas, true);
                 // Translate so that we draw the correct portion of the picture.
                 // Perform a postTranslate so that the scaleFactor does not interfere with the
                 // positioning.
                 SkMatrix mat(fCanvas->getTotalMatrix());
                 mat.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
                 fCanvas->setMatrix(mat);
                 // Draw the picture
                 fCanvas->drawPicture(fPicture);
                 // Now extract the picture into tiles
-                const SkBitmap& baseBitmap = fCanvas->getDevice()->accessBitmap(false);
+                SkBitmap baseBitmap;
+                fCanvas->readPixels(SkIRect::MakeSize(fCanvas->getBaseLayerSize()), &baseBitmap);
                 SkIRect subset;
                 for (int tileY = 0; tileY < fLargeTileHeight; tileY += this->getTileHeight()) {
                     for (int tileX = 0; tileX < fLargeTileWidth; tileX += this->getTileWidth()) {
                         subset.set(tileX, tileY, tileX + this->getTileWidth(),
                                    tileY + this->getTileHeight());
                         SkDEBUGCODE(bool extracted =)
                         baseBitmap.extractSubset(&dst, subset);
                         SkASSERT(extracted);
                         if (!fWritePath.isEmpty()) {
                             // Similar to write() in PictureRenderer.cpp, but just encodes
@@ skipping 21 matching lines @@
                 }
             }
         }
         return success;
     }
 
     SkString CopyTilesRenderer::getConfigNameInternal() {
         return SkString("copy_tiles");
     }
 }