Begin atlasing

src/core/SkPicturePlayback.cpp

Index: src/core/SkPicturePlayback.cpp
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index c3f24b95e1f801566973888b460b3056ba88baa1..7a7c9c0716a157efd31d9fbfc0c366d0be360c6d 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -902,7 +902,11 @@ void SkPicturePlayback::draw(SkCanvas& canvas, SkDrawPictureCallback* callback)
                 SkASSERT(NULL != temp->fPaint);
                 canvas.save();
                 canvas.setMatrix(initialMatrix);
-                canvas.drawBitmap(*temp->fBM, temp->fPos.fX, temp->fPos.fY, temp->fPaint);
+                SkRect src = SkRect::MakeFromIRect(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()) {