uirect2d.h

/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team
 
This file is part of OpenMoHAA source code.
 
OpenMoHAA source code 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 (at your option) any later version.
 
OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
 
#pragma once
 
#include "uipoint2d.h"
#include "uisize2d.h"
 
class UIRect2D {
public:
    UIPoint2D pos;
    UISize2D size;
 
public:
    UIRect2D();
    UIRect2D( float x, float y, float width, float height );
    UIRect2D( const UIPoint2D& pos, const UISize2D& size );
 
    float       getMinX() const;
    float       getMinY() const;
    float       getMaxX() const;
    float       getMaxY() const;
    UIPoint2D  getUpperLeft() const;
    UIPoint2D  getUpperRight() const;
    UIPoint2D  getLowerLeft() const;
    UIPoint2D  getLowerRight() const;
 
    bool    contains( const UIPoint2D& pos  ) const;
    bool    contains( float x, float y ) const;
    bool    contains( int x, int y ) const;
    bool    contains( const UIRect2D& pos  ) const;
    bool    intersects( const UIRect2D& pos ) const;
};
 
inline
UIRect2D::UIRect2D()
{
}
 
inline
UIRect2D::UIRect2D
    (
    float x,
    float y,
    float width,
    float height
    )
 
{
    pos = UIPoint2D( x, y );
    size = UISize2D( width, height );
}
 
inline
UIRect2D::UIRect2D
    (
    const UIPoint2D& pos,
    const UISize2D& size
    )
 
{
    this->pos = pos;
    this->size = size;
}
 
inline
float UIRect2D::getMinX
    (
    void
    ) const
 
{
    return pos.x;
}
 
inline
float UIRect2D::getMinY
    (
    void
    ) const
 
{
    return pos.y;
}
 
inline
float UIRect2D::getMaxX
    (
    void
    ) const
 
{
    return pos.x + size.width;
}
 
inline
float UIRect2D::getMaxY
    (
    void
    ) const
 
{
    return pos.y + size.height;
}
 
inline
UIPoint2D UIRect2D::getUpperLeft
    (
    void
    ) const
 
{
    return UIPoint2D( getMinX(), getMinY() );
}
 
inline
UIPoint2D UIRect2D::getUpperRight
    (
    void
    ) const
 
{
    return UIPoint2D( getMaxX(), getMinY() );
}
 
inline
UIPoint2D UIRect2D::getLowerLeft
    (
    void
    ) const
 
{
    return UIPoint2D( getMinX(), getMaxY() );
}
 
inline
UIPoint2D UIRect2D::getLowerRight
    (
    void
    ) const
 
{
    return UIPoint2D( getMaxX(), getMaxY() );
}
 
inline
bool UIRect2D::contains
    (
    const UIPoint2D& pos
    ) const
 
{
    return pos.x >= this->pos.x && pos.x <= this->pos.x + size.width
        && pos.y >= this->pos.y && pos.y <= this->pos.y + size.height;
}
 
inline
bool UIRect2D::contains
    (
    float x,
    float y
    ) const
 
{
    return x >= this->pos.x && x <= this->pos.x + size.width
        && y >= this->pos.y && y <= this->pos.y + size.height;
}
 
inline
bool UIRect2D::contains
    (
    int x,
    int y
    ) const
 
{
    return x >= this->pos.x && x <= this->pos.x + size.width
        && y >= this->pos.y && y <= this->pos.y + size.height;
}
 
inline
bool UIRect2D::contains
    (
    const UIRect2D& pos
    ) const
 
{
    return pos.pos.x >= this->pos.x && pos.pos.x <= this->pos.x + size.width
        && pos.pos.y >= this->pos.y && pos.pos.y <= this->pos.y + size.height;
}
 
inline
bool UIRect2D::intersects
    (
    const UIRect2D& pos
    ) const
 
{
    // FIXME: stub
    return false;
}