Fix bounds computation in GrAAHairlineRenderer

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 673 matching lines @@
      *  contains(x,y) -> fLeft <= x < fRight && fTop <= y < fBottom. Also note
      *  that contains(x,y) always returns false if the rect is empty.
      */
     void growToInclude(SkScalar x, SkScalar y) {
         fLeft  = SkMinScalar(x, fLeft);
         fRight = SkMaxScalar(x, fRight);
         fTop    = SkMinScalar(y, fTop);
         fBottom = SkMaxScalar(y, fBottom);
     }
 
+    /** Bulk version of growToInclude */
+    void growToInclude(const SkPoint pts[], int count) {
+        this->growToInclude(pts, sizeof(SkPoint), count);
+    }
+
+    /** Bulk version of growToInclude with stride. */
+    void growToInclude(const SkPoint pts[], size_t stride, int count) {
+        SkASSERT(count >= 0);
+        SkASSERT(stride >= sizeof(SkPoint));
+        const SkPoint* end = (const SkPoint*)((intptr_t)pts + count * stride);
+        for (; pts < end; pts = (const SkPoint*)((intptr_t)pts + stride)) {
+            this->growToInclude(pts->fX, pts->fY);
+        }
+    }
+
     /**
      *  Returns true if (p.fX,p.fY) is inside the rectangle, and the rectangle
      *  is not empty.
      *
      *  Contains treats the left and top differently from the right and bottom.
      *  The left and top coordinates of the rectangle are themselves considered
      *  to be inside, while the right and bottom are not. Thus for the rectangle
      *  {0, 0, 5, 10}, (0,0) is contained, but (0,10), (5,0) and (5,10) are not.
      */
     bool contains(const SkPoint& p) const {
@@ skipping 78 matching lines @@
      */
     void sort();
 
     /**
      *  cast-safe way to treat the rect as an array of (4) SkScalars.
      */
     const SkScalar* asScalars() const { return &fLeft; }
 };
 
 #endif