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
|
// Copyright (C) 2008 Lukas Lalinsky
//
// 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, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#ifndef DIAGRAMCONNECTION_H
#define DIAGRAMCONNECTION_H
#include <QPolygonF>
#include <QPainterPath>
#include "diagramitem.h"
#include "diagramdocument.h"
class Connector;
class DiagramObject;
class Line : public DiagramItem
{
Q_OBJECT
public:
Line(DiagramItem *parent = 0);
~Line();
enum LineLayout
{
StraightLineLayout,
OrthogonalLineLayout
};
Connector *connector(int index) const;
QRectF boundingRect() const;
QPainterPath shape() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
virtual void updateLayout();
virtual void loadFromXml(QDomElement element, DiagramDocument *document = 0);
void saveToXml(QDomDocument doc, QDomElement element);
//! The path of the line
QPolygonF linePoints() const;
//! Set the path of the line
void setLinePoints(const QPolygonF &points);
//! The style of the line
Qt::PenStyle lineStyle() const;
//! Set the style of the line
void setLineStyle(Qt::PenStyle style);
//! Path of the start arrow
QPainterPath startArrow() const;
//! Set the path of the start arrow
void setStartArrow(const QPainterPath &path);
//! Should the start arrow be filled?
bool fillStartArrow() const;
//! Set whether the start arrow should be filled.
void setFillStartArrow(bool fill);
//! Path of the end arrow
QPainterPath endArrow() const;
//! Set the path of the end arrow
void setEndArrow(const QPainterPath &path);
//! Should the end arrow be filled?
bool fillEndArrow() const;
//! Set whether the end arrow should be filled.
void setFillEndArrow(bool fill);
private:
void updateCache();
Connector *m_connectors[2];
QPolygonF m_linePoints;
Qt::PenStyle m_lineStyle;
QPainterPath m_shape;
QPainterPath m_startArrow;
QPainterPath m_transformedStartArrow;
bool m_fillStartArrow;
QPainterPath m_endArrow;
QPainterPath m_transformedEndArrow;
bool m_fillEndArrow;
bool m_dirty;
};
#endif
|
