text: /*
   * 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 "include/core/SkRect.h"
  #include "src/pathops/SkPathOpsRect.h"
  
  // SkPathOpsBounds, unlike SkRect, does not consider a line to be empty.
  struct SkPathOpsBounds : public SkRect {
    static bool Intersects(const SkPathOpsBounds& a, const SkPathOpsBounds& b) {
      return AlmostLessOrEqualUlps(a.fLeft, b.fRight) && AlmostLessOrEqualUlps(b.fLeft, a.fRight) &&
             AlmostLessOrEqualUlps(a.fTop, b.fBottom) && AlmostLessOrEqualUlps(b.fTop, a.fBottom);
    }
  
    // Note that add(), unlike SkRect::join() or SkRect::growToInclude()
    // does not treat the bounds of horizontal and vertical lines as
    // empty rectangles.
    void add(SkScalar left, SkScalar top, SkScalar right, SkScalar bottom) {
      if (left < fLeft) fLeft = left;
      if (top < fTop) fTop = top;
      if (right > fRight) fRight = right;
      if (bottom > fBottom) fBottom = bottom;
    }
  
    void add(const SkPathOpsBounds& toAdd) {
      add(toAdd.fLeft, toAdd.fTop, toAdd.fRight, toAdd.fBottom);
    }
  
    void add(const SkPoint& pt) {
      if (pt.fX < fLeft) fLeft = pt.fX;
      if (pt.fY < fTop) fTop = pt.fY;
      if (pt.fX > fRight) fRight = pt.fX;
      if (pt.fY > fBottom) fBottom = pt.fY;
    }
  
    void add(const SkDPoint& pt) {
      if (pt.fX < fLeft) fLeft = SkDoubleToScalar(pt.fX);
      if (pt.fY < fTop) fTop = SkDoubleToScalar(pt.fY);
      if (pt.fX > fRight) fRight = SkDoubleToScalar(pt.fX);
      if (pt.fY > fBottom) fBottom = SkDoubleToScalar(pt.fY);
    }
  
    bool almostContains(const SkPoint& pt) const {
      return AlmostLessOrEqualUlps(fLeft, pt.fX) && AlmostLessOrEqualUlps(pt.fX, fRight) &&
             AlmostLessOrEqualUlps(fTop, pt.fY) && AlmostLessOrEqualUlps(pt.fY, fBottom);
    }
  
    bool contains(const SkPoint& pt) const {
      return fLeft <= pt.fX && fTop <= pt.fY && fRight >= pt.fX && fBottom >= pt.fY;
    }
  
    using INHERITED = SkRect;
  };
  
  #endif
  