1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* 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
|