]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <boost/shared_ptr.hpp> | |
22 | ||
23 | #include <QGLWidget> | |
24 | #include <QPainter> | |
25 | #include <QRect> | |
26 | #include <QString> | |
27 | ||
28 | #include <stdint.h> | |
29 | ||
30 | class SignalData; | |
31 | ||
32 | class Signal | |
33 | { | |
34 | private: | |
35 | static const QSizeF LabelPadding; | |
36 | ||
37 | protected: | |
38 | Signal(QString name); | |
39 | ||
40 | public: | |
41 | QString get_name() const; | |
42 | ||
43 | /** | |
44 | * Paints the signal into a QGLWidget. | |
45 | * @param widget the QGLWidget to paint into. | |
46 | * @param rect the rectangular area to draw the trace into. | |
47 | * @param scale the scale in seconds per pixel. | |
48 | * @param offset the time to show at the left hand edge of | |
49 | * the view in seconds. | |
50 | **/ | |
51 | virtual void paint(QGLWidget &widget, const QRect &rect, | |
52 | double scale, double offset) = 0; | |
53 | ||
54 | /** | |
55 | * Paints the signal label into a QGLWidget. | |
56 | * @param p the QPainter to paint into. | |
57 | * @param rect the rectangular area to draw the label into. | |
58 | */ | |
59 | virtual void paint_label(QPainter &p, const QRect &rect); | |
60 | ||
61 | protected: | |
62 | ||
63 | /** | |
64 | * Get the colour of the logic signal | |
65 | */ | |
66 | virtual QColor get_colour() const = 0; | |
67 | ||
68 | /** | |
69 | * When painting into the rectangle, calculate the y | |
70 | * offset of the zero point. | |
71 | **/ | |
72 | virtual int get_nominal_offset(const QRect &rect) const = 0; | |
73 | ||
74 | protected: | |
75 | QString _name; | |
76 | }; |