Try out scalar picture sizes

src/utils/SkPictureUtils.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 "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkData.h"
@@ skipping 178 matching lines @@
 
     typedef SkBaseDevice INHERITED;
 };
 
 SkData* SkPictureUtils::GatherPixelRefs(const SkPicture* pict, const SkRect& area) {
     if (NULL == pict) {
         return NULL;
     }
 
     // this test also handles if either area or pict's width/height are empty
-    if (!SkRect::Intersects(area,
-                            SkRect::MakeWH(SkIntToScalar(pict->width()),
-                                           SkIntToScalar(pict->height())))) {
+    if (!SkRect::Intersects(area, pict->cullRect())) {
         return NULL;
     }
 
     SkTDArray<SkPixelRef*> array;
     PixelRefSet prset(&array);
 
-    GatherPixelRefDevice device(pict->width(), pict->height(), &prset);
+    GatherPixelRefDevice device(SkScalarCeilToInt(pict->cullRect().width()), 
+                                SkScalarCeilToInt(pict->cullRect().height()), 
+                                &prset);
     SkNoSaveLayerCanvas canvas(&device);
 
     canvas.clipRect(area, SkRegion::kIntersect_Op, false);
     canvas.drawPicture(pict);
 
     SkData* data = NULL;
     int count = array.count();
     if (count > 0) {
         data = SkData::NewFromMalloc(array.detach(), count * sizeof(SkPixelRef*));
     }
     return data;
 }