· · ·
item-straightline.h
1 /***************************************************************************
2 ** **
3 ** QCustomPlot, an easy to use, modern plotting widget for Qt **
4 ** Copyright (C) 2011, 2012, 2013, 2014 Emanuel Eichhammer **
5 ** **
6 ** This program is free software: you can redistribute it and/or modify **
7 ** it under the terms of the GNU General Public License as published by **
8 ** the Free Software Foundation, either version 3 of the License, or **
9 ** (at your option) any later version. **
10 ** **
11 ** This program is distributed in the hope that it will be useful, **
12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of **
13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
14 ** GNU General Public License for more details. **
15 ** **
16 ** You should have received a copy of the GNU General Public License **
17 ** along with this program. If not, see http://www.gnu.org/licenses/. **
18 ** **
19 ****************************************************************************
20 ** Author: Emanuel Eichhammer **
21 ** Website/Contact: http://www.qcustomplot.com/ **
22 ** Date: 07.04.14 **
23 ** Version: 1.2.1 **
24 ****************************************************************************/
25
26 #ifndef QCP_ITEM_STRAIGHTLINE_H
27 #define QCP_ITEM_STRAIGHTLINE_H
28
29 #include "../global.h"
30 #include "../item.h"
31
32 class QCPPainter;
33 class QCustomPlot;
34
35 class QCP_LIB_DECL QCPItemStraightLine : public QCPAbstractItem
36 {
37 Q_OBJECT
39 Q_PROPERTY(QPen pen READ pen WRITE setPen)
40 Q_PROPERTY(QPen selectedPen READ selectedPen WRITE setSelectedPen)
42 public:
43 QCPItemStraightLine(QCustomPlot *parentPlot);
44 virtual ~QCPItemStraightLine();
45
46 // getters:
47 QPen pen() const { return mPen; }
48 QPen selectedPen() const { return mSelectedPen; }
49
50 // setters;
51 void setPen(const QPen &pen);
52 void setSelectedPen(const QPen &pen);
53
54 // reimplemented virtual methods:
55 virtual double selectTest(const QPointF &pos, bool onlySelectable, QVariant *details=0) const;
56
57 QCPItemPosition * const point1;
58 QCPItemPosition * const point2;
59
60 protected:
61 // property members:
62 QPen mPen, mSelectedPen;
63
64 // reimplemented virtual methods:
65 virtual void draw(QCPPainter *painter);
66
67 // non-virtual methods:
68 double distToStraightLine(const QVector2D &point1, const QVector2D &vec, const QVector2D &point) const;
69 QLineF getRectClippedStraightLine(const QVector2D &point1, const QVector2D &vec, const QRect &rect) const;
70 QPen mainPen() const;
71 };
72
73 #endif // QCP_ITEM_STRAIGHTLINE_H
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