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/*
This file is part of Kig, a KDE program for Interactive Geometry.
SPDX-FileCopyrightText: 2002 Dominique Devriese <devriese@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
#include "coordinate.h"
#include <QDebug>
#include <QRect>
/**
* like Coordinate is a QPoint replacement with doubles, this is a
* QRect replacement with doubles...
*/
class Rect
{
public:
/**
* constructors...
*/
Rect(const Coordinate &bottomLeft, const Coordinate &topRight);
Rect(const Coordinate &bottomLeft, const double width, const double height);
Rect(double xa, double ya, double width, double height);
Rect(const Rect &r);
Rect();
static Rect invalidRect();
bool valid();
void setBottomLeft(const Coordinate &p);
void setTopLeft(const Coordinate &p);
void setTopRight(const Coordinate &p);
void setBottomRight(const Coordinate &p);
void setCenter(const Coordinate &p);
void setLeft(const double p);
void setRight(const double p);
void setTop(const double p);
void setBottom(const double p);
void setWidth(const double w);
void setHeight(const double h);
/**
* this makes sure width and height are > 0 ...
*/
void normalize();
/**
* this makes sure p is in the rect, extending it if necessary...
*/
void setContains(const Coordinate &p);
/**
* Assignment operator.
*/
Rect &operator=(const Rect &other);
/**
* moves the rect while keeping the size constant...
*/
void moveBy(const Coordinate &p);
/**
* synonym for moveBy...
*/
Rect &operator+=(const Coordinate &p)
{
moveBy(p);
return *this;
}
/**
* scale: only the size changes, topLeft is kept where it is...
*/
void scale(const double r);
/**
* synonym for scale...
*/
Rect &operator*=(const double r)
{
scale(r);
return *this;
}
Rect &operator/=(const double r)
{
scale(1 / r);
return *this;
}
/**
* This expands the rect so that it contains r. It has friends
* '|=' and '|' below...
*/
void eat(const Rect &r);
/**
* synonym for eat.
*/
Rect &operator|=(const Rect &rhs)
{
eat(rhs);
return *this;
}
/**
* return a rect which is a copy of this rect, but has an aspect
* ratio equal to rhs's one. If \p shrink is true, the rect will be
* shrunk, otherwise extended. The center of the new rect is the
* same as this rect's center.
*/
Rect matchShape(const Rect &rhs, bool shrink = false) const;
QRect toQRect() const;
Coordinate bottomLeft() const;
Coordinate bottomRight() const;
Coordinate topLeft() const;
Coordinate topRight() const;
Coordinate center() const;
double left() const;
double right() const;
double bottom() const;
double top() const;
double width() const;
double height() const;
bool contains(const Coordinate &p) const;
bool contains(const Coordinate &p, double allowed_miss) const;
bool intersects(const Rect &p) const;
Rect normalized() const;
friend QDebug &operator<<(QDebug &s, const Rect &t);
static Rect fromQRect(const QRect &);
protected:
Coordinate mBottomLeft;
double mwidth;
double mheight;
};
bool operator==(const Rect &r, const Rect &s);
QDebug &operator<<(QDebug &s, const Rect &t);
/**
* this operator returns a Rect that contains both the given
* rects.
*/
Rect operator|(const Rect &lhs, const Rect &rhs);
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