Add offset to memory allocations

tools/viewer/Viewer.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "Viewer.h"
 
 #include "GMSlide.h"
@@ skipping 237 matching lines @@
         if (contentRect.width() > 0 && contentRect.height() > 0) {
             fDefaultMatrix.setRectToRect(slideBounds, contentRect, SkMatrix::kStart_ScaleToFit);
             SkAssertResult(fDefaultMatrix.invert(&fDefaultMatrixInv));
         }
     }
 
     if (fWindow->supportsContentRect()) {
         const SkISize slideSize = fSlides[fCurrentSlide]->getDimensions();
         SkRect windowRect = fWindow->getContentRect();
         fDefaultMatrixInv.mapRect(&windowRect);
-        fGesture.setTransLimit(SkRect::MakeWH(slideSize.width(), slideSize.height()), windowRect);
+        fGesture.setTransLimit(SkRect::MakeWH(SkIntToScalar(slideSize.width()), 
+                                              SkIntToScalar(slideSize.height())),
+                               windowRect);
     }
 
     this->updateTitle();
     this->updateUIState();
     fSlides[fCurrentSlide]->load();
     if (previousSlide >= 0) {
         fSlides[previousSlide]->unload();
     }
     fWindow->inval();
 }
@@ skipping 177 matching lines @@
             fCurrentSlide++;
         }
         if (fCurrentSlide >= fSlides.count()) {
             fCurrentSlide = previousSlide;
             SkDebugf("Slide not found: %s", stateValue.c_str());
         }
     } else {
         SkDebugf("Unknown stateName: %s", stateName.c_str());
     }
 }