Try out scalar picture sizes

tools/lua/lua_pictures.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "LazyDecodeBitmap.h"
 #include "SkLua.h"
 #include "SkLuaCanvas.h"
@@ skipping 136 matching lines @@
                 moduloStr.printf("[%d.%d] ", i, moduloDivisor);
             }
             const char* path = paths[i].c_str();
             if (!FLAGS_quiet) {
                 SkDebugf("scraping %s %s\n", path, moduloStr.c_str());
             }
 
             SkAutoTUnref<SkPicture> pic(load_picture(path));
             if (pic.get()) {
                 SkAutoTUnref<SkLuaCanvas> canvas(
-                                    new SkLuaCanvas(pic->width(), pic->height(),
+                                    new SkLuaCanvas(SkScalarCeilToInt(pic->cullRect().width()), 
+                                                    SkScalarCeilToInt(pic->cullRect().height()),
                                                     L.get(), gAccumulateFunc));
 
                 call_canvas(L.get(), canvas.get(), path, gStartCanvasFunc);
                 canvas->drawPicture(pic);
                 call_canvas(L.get(), canvas.get(), path, gEndCanvasFunc);
 
             } else {
                 SkDebugf("failed to load\n");
             }
         }
     }
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif