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/*
* The ManaPlus Client
* Copyright (C) 2011-2017 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naessén a.k.a jansem/yakslem
*
* Visit: http://guichan.sourceforge.net
*
* License: (BSD)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Guichan nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GUI_RECT_H
#define GUI_RECT_H
#include "localconsts.h"
/**
* Represents a rectangle.
*
* @since 0.1.0
*/
class Rect notfinal
{
public:
/**
* Constructor. The default rectangle is an empty rectangle
* at the coordinates (0,0).
*/
constexpr Rect() :
x(0),
y(0),
width(0),
height(0)
{
}
/**
* Constructor.
*
* @param x The x coordinate of the rectangle.
* @param y The y coordinate of the rectangle.
* @param width The width of the rectangle.
* @param height The height of the rectangle.
* @since 0.1.0
*/
constexpr Rect(const int x_,
const int y_,
const int width_,
const int height_) :
x(x_),
y(y_),
width(width_),
height(height_)
{
}
constexpr Rect(const Rect &r) :
x(r.x),
y(r.y),
width(r.width),
height(r.height)
{
}
Rect &operator=(const Rect &r)
{
x = r.x;
y = r.y;
width = r.width;
height = r.height;
return *this;
}
virtual ~Rect()
{ }
/**
* Sets the dimension of a rectangle.
*
* @param x The x coordinate of the rectangle.
* @param y The y coordinate of the rectangle.
* @param width The width of the rectangle.
* @param height The height of the rectangle.
* @since 0.1.0
*/
void setAll(const int x0,
const int y0,
const int width0,
const int height0)
{
x = x0;
y = y0;
width = width0;
height = height0;
}
/**
* Checks if another rectangle intersects with the rectangle.
*
* @param rectangle Another rectangle to check for intersection.
* @return True if the rectangles intersect, false otherwise.
* @since 0.1.0
*/
bool isIntersecting(const Rect& rectangle) const A_WARN_UNUSED
{
int x_ = x;
int y_ = y;
int width_ = width;
int height_ = height;
x_ -= rectangle.x;
y_ -= rectangle.y;
if (x_ < 0)
{
width_ += x_;
}
else if (x_ + width_ > rectangle.width)
{
width_ = rectangle.width - x_;
}
if (y_ < 0)
{
height_ += y_;
}
else if (y_ + height_ > rectangle.height)
{
height_ = rectangle.height - y_;
}
if (width_ <= 0 || height_ <= 0)
{
return false;
}
return true;
}
/**
* Checks if a point is inside the rectangle
*
* @param x The x coordinate of the point.
* @param y The y coordinate of the point.
* @return True if the point is inside the rectangle.
* @since 0.1.0
*/
bool isPointInRect(const int x_,
const int y_) const A_WARN_UNUSED
{
return x_ >= x
&& y_ >= y
&& x_ < x + width
&& y_ < y + height;
}
/**
* Holds the x coordinate of the rectangle.
*/
int x;
/**
* Holds the x coordinate of the rectangle.
*/
int y;
/**
* Holds the width of the rectangle.
*/
int width;
/**
* Holds the height of the rectangle.
*/
int height;
};
#endif // GUI_RECT_H
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