allow pictures to have a full bounds

include/core/SkDevice.h

 /*
  * Copyright 2010 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDevice_DEFINED
 #define SkDevice_DEFINED
 
@@ skipping 35 matching lines @@
      *  Return the bounds of the device in the coordinate space of the root
      *  canvas. The root device will have its top-left at 0,0, but other devices
      *  such as those associated with saveLayer may have a non-zero origin.
      */
     void getGlobalBounds(SkIRect* bounds) const {
         SkASSERT(bounds);
         const SkIPoint& origin = this->getOrigin();
         bounds->setXYWH(origin.x(), origin.y(), this->width(), this->height());
     }
 
+    SkIRect getGlobalBounds() const {
+        SkIRect bounds;
+        this->getGlobalBounds(&bounds);
+        return bounds;
+    }
+
     int width() const {
         return this->imageInfo().width();
     }
 
     int height() const {
         return this->imageInfo().height();
     }
 
     bool isOpaque() const {
         return this->imageInfo().isOpaque();
@@ skipping 293 matching lines @@
     virtual void initForRootLayer(SkPixelGeometry geo);
 
 private:
     friend class SkCanvas;
     friend struct DeviceCM; //for setMatrixClip
     friend class SkDraw;
     friend class SkDrawIter;
     friend class SkDeviceFilteredPaint;
     friend class SkDeviceImageFilterProxy;
     friend class SkDeferredDevice;    // for newSurface
+    friend class SkNoPixelsBitmapDevice;
 
     friend class SkSurface_Raster;
 
     // used to change the backend's pixels (and possibly config/rowbytes)
     // but cannot change the width/height, so there should be no change to
     // any clip information.
     // TODO: move to SkBitmapDevice
     virtual void replaceBitmapBackendForRasterSurface(const SkBitmap&) {}
 
     virtual bool forceConservativeRasterClip() const { return false; }
@@ skipping 12 matching lines @@
     SkDeviceProperties* fLeakyProperties;   // will always exist.
 
 #ifdef SK_DEBUG
     bool        fAttachedToCanvas;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif