add roundOut that returns its result

src/core/SkScan_Antihair.cpp

 
 /*
  * Copyright 2011 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.
  */
 
 
 #include "SkScan.h"
@@ skipping 836 matching lines @@
 */
 void SkScan::AntiFillRect(const SkRect& origR, const SkRegion* clip,
                           SkBlitter* blitter) {
     if (clip) {
         SkRect newR;
         newR.set(clip->getBounds());
         if (!newR.intersect(origR)) {
             return;
         }
 
-        SkIRect outerBounds;
-        newR.roundOut(&outerBounds);
+        const SkIRect outerBounds = newR.roundOut();
 
         if (clip->isRect()) {
             antifillrect(newR, blitter);
         } else {
             SkRegion::Cliperator clipper(*clip, outerBounds);
             while (!clipper.done()) {
                 newR.set(clipper.rect());
                 if (newR.intersect(origR)) {
                     antifillrect(newR, blitter);
                 }
@@ skipping 176 matching lines @@
 
 void SkScan::AntiFrameRect(const SkRect& r, const SkPoint& strokeSize,
                            const SkRasterClip& clip, SkBlitter* blitter) {
     if (clip.isBW()) {
         AntiFrameRect(r, strokeSize, &clip.bwRgn(), blitter);
     } else {
         SkAAClipBlitterWrapper wrap(clip, blitter);
         AntiFrameRect(r, strokeSize, &wrap.getRgn(), wrap.getBlitter());
     }
 }