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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2004-2014 KiCad Developers, see change_log.txt for contributors.
*
* 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 (at your option) 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file class_eda_rect.h
*/
#ifndef CLASS_EDA_RECT_H
#define CLASS_EDA_RECT_H
/**
* Class EDA_RECT
* handles the component boundary box.
* This class is similar to wxRect, but some wxRect functions are very curious,
* and are working only if dimensions are >= 0 (not always the case in KiCad)
* and also KiCad needs some specific method.
* so I prefer this more suitable class
*/
class EDA_RECT
{
private:
wxPoint m_Pos; // Rectangle Origin
wxSize m_Size; // Rectangle Size
public:
EDA_RECT() { };
EDA_RECT( const wxPoint& aPos, const wxSize& aSize ) :
m_Pos( aPos ),
m_Size( aSize )
{ }
wxPoint Centre() const
{
return wxPoint( m_Pos.x + ( m_Size.x >> 1 ),
m_Pos.y + ( m_Size.y >> 1 ) );
}
/**
* Function Move
* moves the rectangle by the \a aMoveVector.
* @param aMoveVector A wxPoint that is the value to move this rectangle
*/
void Move( const wxPoint& aMoveVector );
/**
* Function Normalize
* ensures that the height ant width are positive.
*/
void Normalize();
/**
* Function Contains
* @param aPoint = the wxPoint to test
* @return true if aPoint is inside the boundary box. A point on a edge is seen as inside
*/
bool Contains( const wxPoint& aPoint ) const;
/**
* Function Contains
* @param x = the x coordinate of the point to test
* @param y = the x coordinate of the point to test
* @return true if point is inside the boundary box. A point on a edge is seen as inside
*/
bool Contains( int x, int y ) const { return Contains( wxPoint( x, y ) ); }
/**
* Function Contains
* @param aRect = the EDA_RECT to test
* @return true if aRect is Contained. A common edge is seen as contained
*/
bool Contains( const EDA_RECT& aRect ) const;
const wxSize& GetSize() const { return m_Size; }
int GetX() const { return m_Pos.x; }
int GetY() const { return m_Pos.y; }
const wxPoint& GetOrigin() const { return m_Pos; }
const wxPoint& GetPosition() const { return m_Pos; }
const wxPoint GetEnd() const { return wxPoint( m_Pos.x + m_Size.x, m_Pos.y + m_Size.y ); }
int GetWidth() const { return m_Size.x; }
int GetHeight() const { return m_Size.y; }
int GetRight() const { return m_Pos.x + m_Size.x; }
int GetLeft() const { return m_Pos.x; }
int GetBottom() const { return m_Pos.y + m_Size.y; } // Y axis from top to bottom
void SetOrigin( const wxPoint& pos ) { m_Pos = pos; }
void SetOrigin( int x, int y ) { m_Pos.x = x; m_Pos.y = y; }
void SetSize( const wxSize& size ) { m_Size = size; }
void SetSize( int w, int h ) { m_Size.x = w; m_Size.y = h; }
void Offset( int dx, int dy ) { m_Pos.x += dx; m_Pos.y += dy; }
void Offset( const wxPoint& offset ) { m_Pos.x += offset.x; m_Pos.y +=
offset.y; }
void SetX( int val ) { m_Pos.x = val; }
void SetY( int val ) { m_Pos.y = val; }
void SetWidth( int val ) { m_Size.x = val; }
void SetHeight( int val ) { m_Size.y = val; }
void SetEnd( int x, int y ) { SetEnd( wxPoint( x, y ) ); }
void SetEnd( const wxPoint& pos )
{
m_Size.x = pos.x - m_Pos.x; m_Size.y = pos.y - m_Pos.y;
}
/**
* Function RevertYAxis
* Mirror the rectangle from the X axis (negate Y pos and size)
*/
void RevertYAxis()
{
m_Pos.y = -m_Pos.y;
m_Size.y = -m_Size.y;
Normalize();
}
/**
* Function Intersects
* tests for a common area between rectangles.
*
* @param aRect A rectangle to test intersection with.
* @return bool - true if the argument rectangle intersects this rectangle.
* (i.e. if the 2 rectangles have at least a common point)
*/
bool Intersects( const EDA_RECT& aRect ) const;
/**
* Function Intersects
* tests for a common area between a segment and this rectangle.
*
* @param aPoint1 First point of the segment to test intersection with.
* @param aPoint2 Second point of the segment to test intersection with.
* @return bool - true if the argument segment intersects this rectangle.
* (i.e. if the segment and rectangle have at least a common point)
*/
bool Intersects( const wxPoint& aPoint1, const wxPoint& aPoint2 ) const;
/**
* Function operator(wxRect)
* overloads the cast operator to return a wxRect
* wxRect does not accept negative values for size, so ensure the
* wxRect size is always >= 0
*/
operator wxRect() const
{
EDA_RECT rect( m_Pos, m_Size );
rect.Normalize();
return wxRect( rect.m_Pos, rect.m_Size );
}
/**
* Function Inflate
* inflates the rectangle horizontally by \a dx and vertically by \a dy. If \a dx
* and/or \a dy is negative the rectangle is deflated.
*/
EDA_RECT& Inflate( wxCoord dx, wxCoord dy );
/**
* Function Inflate
* inflates the rectangle horizontally and vertically by \a aDelta. If \a aDelta
* is negative the rectangle is deflated.
*/
EDA_RECT& Inflate( int aDelta );
/**
* Function Merge
* modifies the position and size of the rectangle in order to contain \a aRect. It is
* mainly used to calculate bounding boxes.
* @param aRect The rectangle to merge with this rectangle.
*/
void Merge( const EDA_RECT& aRect );
/**
* Function Merge
* modifies the position and size of the rectangle in order to contain the given point.
* @param aPoint The point to merge with the rectangle.
*/
void Merge( const wxPoint& aPoint );
/**
* Function GetArea
* returns the area of the rectangle.
* @return The area of the rectangle.
*/
double GetArea() const;
/**
* Function Common
* returns the area that is common with another rectangle.
* @param aRect is the rectangle to find the common area with.
* @return The common area rect or 0-sized rectangle if there is no intersection.
*/
EDA_RECT Common( const EDA_RECT& aRect ) const;
/**
* Function GetBoundingBoxRotated
* @return the bounding box of this, after rotation
* @param aAngle = the rotation angle in 0.1 deg.
* @param aRotCenter = the rotation point.
* useful to calculate bounding box of rotated items, when
* rotation if not k*90 degrees
*/
const EDA_RECT GetBoundingBoxRotated( wxPoint aRotCenter, double aAngle );
};
#endif // CLASS_EDA_RECT_H
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