fix the visual difference of raster vs gpu -- inverse_paths

src/core/SkCanvas.cpp

 
 /*
  * Copyright 2008 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 "SkCanvas.h"
@@ skipping 1719 matching lines @@
 
     SkRect storage;
     const SkRect* bounds = NULL;
     if (!path.isInverseFillType() && paint.canComputeFastBounds()) {
         const SkRect& pathBounds = path.getBounds();
         bounds = &paint.computeFastBounds(pathBounds, &storage);
         if (this->quickReject(*bounds)) {
             return;
         }
     }
-    if (path.isEmpty()) {
+
+    SkRect r = path.getBounds();

[bsalomon, 2014/02/18 17:58:11]

const SkRect& ?

[yunchao, 2014/02/19 01:36:59]

Done.

+    if (r.width() <= 0 && r.height() <= 0) {
         if (path.isInverseFillType()) {
             this->internalDrawPaint(paint);
         }
         return;
     }
 
     LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds)
 
     while (iter.next()) {
         iter.fDevice->drawPath(iter, path, looper.paint());
@@ skipping 481 matching lines @@
     return *paint;
 }
 
 const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); }
 int SkCanvas::LayerIter::x() const { return fImpl->getX(); }
 int SkCanvas::LayerIter::y() const { return fImpl->getY(); }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkCanvas::ClipVisitor::~ClipVisitor() { }