compute initial winding from projected rays

src/pathops/SkPathOpsBounds.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkPathOpBounds_DEFINED
 #define SkPathOpBounds_DEFINED
 
 #include "SkPathOpsRect.h"
@@ skipping 29 matching lines @@
         if (pt.fY > fBottom) fBottom = SkDoubleToScalar(pt.fY);
     }
 
     bool almostContains(const SkPoint& pt) {
         return AlmostLessOrEqualUlps(fLeft, pt.fX)
                 && AlmostLessOrEqualUlps(pt.fX, fRight)
                 && AlmostLessOrEqualUlps(fTop, pt.fY)
                 && AlmostLessOrEqualUlps(pt.fY, fBottom);
     }
 
-    // unlike isEmpty(), this permits lines, but not points
-    // FIXME: unused for now
-    bool isReallyEmpty() const {
-        // use !<= instead of > to detect NaN values
-        return !(fLeft <= fRight) || !(fTop <= fBottom)
-                || (fLeft == fRight && fTop == fBottom);
-    }
-
-    void setPointBounds(const SkDPoint& pt) {
-        fLeft = fRight = SkDoubleToScalar(pt.fX);
-        fTop = fBottom = SkDoubleToScalar(pt.fY);
-    }
-
     typedef SkRect INHERITED;
 };
 
 #endif