Change signatures of filter bounds methods to return a rect.

src/effects/SkTileImageFilter.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 "SkTileImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 88 matching lines @@
     paint.setShader(SkShader::MakeBitmapShader(subset, SkShader::kRepeat_TileMode,
                                                SkShader::kRepeat_TileMode));
     canvas.translate(-dstRect.fLeft, -dstRect.fTop);
     canvas.drawRect(dstRect, paint);
     *dst = device->accessBitmap(false);
     offset->fX = dstIRect.fLeft;
     offset->fY = dstIRect.fTop;
     return true;
 }
 
-void SkTileImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix& ctm,
-                                          SkIRect* dst, MapDirection direction) const {
+SkIRect SkTileImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix& ctm,
+                                              MapDirection direction) const {
     SkRect rect = kReverse_MapDirection == direction ? fSrcRect : fDstRect;
     ctm.mapRect(&rect);
-    rect.roundOut(dst);
+    return rect.roundOut();
 }
 
-bool SkTileImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
-                                       SkIRect* dst, MapDirection direction) const {
+SkIRect SkTileImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix&, MapDirection) const {
     // Don't recurse into inputs.
-    *dst = src;
-    return true;
+    return src;
 }
 
-void SkTileImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const {
-    *dst = fDstRect;
+SkRect SkTileImageFilter::computeFastBounds(const SkRect& src) const {
+    return fDstRect;
 }
 
 SkFlattenable* SkTileImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkRect src, dst;
     buffer.readRect(&src);
     buffer.readRect(&dst);
     return Create(src, dst, common.getInput(0));
 }
 
@@ skipping 11 matching lines @@
     str->appendf(" dst: %.2f %.2f %.2f %.2f",
                  fDstRect.fLeft, fDstRect.fTop, fDstRect.fRight, fDstRect.fBottom);
     if (this->getInput(0)) {
         str->appendf("input: (");
         this->getInput(0)->toString(str);
         str->appendf(")");
     }
     str->append(")");
 }
 #endif