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
|
/***************************************************************
* Name: OrthoShape.h
* Purpose: Defines orthogonal line shape class
* Author: Michal Bližňák (michal.bliznak@gmail.com)
* Created: 2009-04-26
* Copyright: Michal Bližňák
* License: wxWidgets license (www.wxwidgets.org)
* Notes:
**************************************************************/
#ifndef _WXSFORTHOSHAPE_H
#define _WXSFORTHOSHAPE_H
#include <wx/wxsf/LineShape.h>
/*!
* \brief Orthogonal line shape. The class extends wxSFLineShape class and allows
* user to create connection line orthgonal to base axis.
*/
class WXDLLIMPEXP_SF wxSFOrthoLineShape : public wxSFLineShape
{
public:
XS_DECLARE_CLONABLE_CLASS(wxSFOrthoLineShape);
/*! \brief Connection points used by the line segment */
typedef struct _SEGMENTCPS {
const wxSFConnectionPoint *cpSrc;
const wxSFConnectionPoint *cpTrg;
} SEGMENTCPS;
/*! \brief Default constructor. */
wxSFOrthoLineShape();
/*!
* \brief User constructor.
* \param src ID of the source shape
* \param trg ID of the target shape
* \param path Array of line's control points
* \param manager Parent parent diagram manager
*/
wxSFOrthoLineShape(long src, long trg, const wxXS::RealPointList& path, wxSFDiagramManager* manager);
/*!
* \brief Copy constructor.
* \param obj Reference to the source object
*/
wxSFOrthoLineShape(const wxSFOrthoLineShape& obj);
/*! \brief Destructor. */
virtual ~wxSFOrthoLineShape();
protected:
// protected virtual functions
/*!
* \brief Internal function used for drawing of completed line shape.
* \param dc Refernce of the device context where the shape will be darwn to
*/
virtual void DrawCompleteLine(wxDC& dc);
/*!
* \brief Get index of the line segment intersecting the given point.
* \param pos Examined point
* \return Zero-based index of line segment located under the given point
*/
virtual int GetHitLinesegment(const wxPoint& pos);
/**
* \brief Draw one orthogonal line segment.
* \param dc Device context
* \param src Starting point of the ortho line segment
* \param trg Ending point of the ortho line segment
* \param cps Connection points used by the line segment
*/
virtual void DrawLineSegment(wxDC& dc, const wxRealPoint& src, const wxRealPoint& trg, const SEGMENTCPS& cps );
// protected functions
/**
* \brief Get first part of orthogonal line segment.
* \param src Staring point of the ortho line segment
* \param trg Ending point of the ortho line segment
* \param subsrc Starting point of the first part of ortho line segment
* \param subtrg Ending point of the first part of ortho line segment
* \param cps Connection points used by the line segment
*/
void GetFirstSubsegment( const wxRealPoint& src, const wxRealPoint& trg, wxRealPoint& subsrc, wxRealPoint& subtrg, const SEGMENTCPS& cps );
/**
* \brief Get middle part of orthogonal line segment.
* \param src Staring point of the ortho line segment
* \param trg Ending point of the ortho line segment
* \param subsrc Starting point of the second part of ortho line segment
* \param subtrg Ending point of the second part of ortho line segment
* \param cps Connection points used by the line segment
*/
void GetMiddleSubsegment( const wxRealPoint& src, const wxRealPoint& trg, wxRealPoint& subsrc, wxRealPoint& subtrg, const SEGMENTCPS& cps );
/**
* \brief Get last part of orthogonal line segment.
* \param src Staring point of the ortho line segment
* \param trg Ending point of the ortho line segment
* \param subsrc Starting point of the third part of ortho line segment
* \param subtrg Ending point of the third part of ortho line segment
* \param cps Connection points used by the line segment
*/
void GetLastSubsegment( const wxRealPoint& src, const wxRealPoint& trg, wxRealPoint& subsrc, wxRealPoint& subtrg, const SEGMENTCPS& cps );
/*!
* \brief Get direction of the line segment.
* \param src Staring point of the ortho line segment
* \param trg Ending point of the ortho line segment
* \param cps Connection points used by the line segment
* \return Direction number
*/
double GetSegmentDirection(const wxRealPoint& src, const wxRealPoint& trg, const SEGMENTCPS& cps );
/*!
* \brief Determine which available connection points are used by given line segment.
* \param src Potential source connection point (can be NULL)
* \param trg Potential target connection point (can be NULL)
* \param i Index of the line segment
* \return Structure containing used connection points
*/
SEGMENTCPS GetUsedConnectionPoints( const wxSFConnectionPoint *src, const wxSFConnectionPoint *trg, size_t i) const;
/*!
* \brief Determine whether a line using give connection point should be drawn as two-segmented.
* \param cps Used connection points
* \return TRUE if the line should be just two-segmented
*/
bool IsTwoSegment( const SEGMENTCPS& cps);
};
#endif //_WXSFORTHOSHAPE_H
|
