Begin atlasing

src/core/SkPicturePlayback.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include <new>
 #include "SkBBoxHierarchy.h"
 #include "SkDrawPictureCallback.h"
 #include "SkPicturePlayback.h"
@@ skipping 911 matching lines @@
 
         if (NULL != fReplacements) {
             // Potentially replace a block of operations with a single drawBitmap call
             SkPicturePlayback::PlaybackReplacements::ReplacementInfo* temp =
                                             fReplacements->lookupByStart(reader.offset());
             if (NULL != temp) {
                 SkASSERT(NULL != temp->fBM);
                 SkASSERT(NULL != temp->fPaint);
                 canvas.save();
                 canvas.setMatrix(initialMatrix);
-                canvas.drawBitmap(*temp->fBM, temp->fPos.fX, temp->fPos.fY, temp->fPaint);
+                SkRect src = SkRect::Make(temp->fSrcRect);
+                SkRect dst = SkRect::MakeXYWH(temp->fPos.fX, temp->fPos.fY,
+                                              temp->fSrcRect.width(),
+                                              temp->fSrcRect.height());
+                canvas.drawBitmapRectToRect(*temp->fBM, &src, dst, temp->fPaint);
                 canvas.restore();
 
                 if (it.isValid()) {
                     // This save is needed since the BBH will automatically issue
                     // a restore to balanced the saveLayer we're skipping
                     canvas.save();
 
                     // At this point we know that the PictureStateTree was aiming
                     // for some draw op within temp's saveLayer (although potentially
                     // in a separate saveLayer nested inside it).
@@ skipping 974 matching lines @@
     for (index = 0; index < fPictureCount; index++)
         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
             "picture%p, ", fPictureRefs[index]);
     if (fPictureCount > 0)
         SkDebugf("%s0};\n", pBuffer);
 
     const_cast<SkPicturePlayback*>(this)->dumpStream();
 }
 
 #endif