Revert "Revert "speed up A8 by creating a new entry-point in SkDraw that blits the path's coverage …

include/core/SkRect.h

 
 /*
  * Copyright 2006 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 SkRect_DEFINED
@@ skipping 712 matching lines @@
      */
     bool contains(const SkRect& r) const {
         // todo: can we eliminate the this->isEmpty check?
         return  !r.isEmpty() && !this->isEmpty() &&
                 fLeft <= r.fLeft && fTop <= r.fTop &&
                 fRight >= r.fRight && fBottom >= r.fBottom;
     }
 
     /**
      *  Set the dst rectangle by rounding this rectangle's coordinates to their
-     *  nearest integer values using SkScalarRound.
+     *  nearest integer values using SkScalarRoundToInt.
      */
     void round(SkIRect* dst) const {
         SkASSERT(dst);
         dst->set(SkScalarRoundToInt(fLeft), SkScalarRoundToInt(fTop),
                  SkScalarRoundToInt(fRight), SkScalarRoundToInt(fBottom));
     }
 
     /**
      *  Set the dst rectangle by rounding "out" this rectangle, choosing the
      *  SkScalarFloor of top and left, and the SkScalarCeil of right and bottom.
@@ skipping 21 matching lines @@
      *  ceil of top and left, and the floor of right and bottom. This does *not*
      *  call sort(), so it is possible that the resulting rect is inverted...
      *  e.g. left >= right or top >= bottom. Call isEmpty() to detect that.
      */
     void roundIn(SkIRect* dst) const {
         SkASSERT(dst);
         dst->set(SkScalarCeilToInt(fLeft), SkScalarCeilToInt(fTop),
                  SkScalarFloorToInt(fRight), SkScalarFloorToInt(fBottom));
     }
 
+    /**
+     *  Return a new SkIRect which is contains the rounded coordinates of this
+     *  rect using SkScalarRoundToInt.
+     */
+    SkIRect round() const {
+        SkIRect ir;
+        this->round(&ir);
+        return ir;
+    }
 
     /**
      *  Swap top/bottom or left/right if there are flipped (i.e. if width()
      *  or height() would have returned a negative value.) This should be called
      *  if the edges are computed separately, and may have crossed over each
      *  other. When this returns, left <= right && top <= bottom
      */
     void sort();
 
     /**
      *  cast-safe way to treat the rect as an array of (4) SkScalars.
      */
     const SkScalar* asScalars() const { return &fLeft; }
 };
 
 #endif