/*

 * 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