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28a4c9c5 JH |
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 "signal.h" | |
22 | ||
23 | #include <boost/shared_ptr.hpp> | |
24 | ||
25 | class LogicData; | |
26 | ||
27 | class LogicSignal : public Signal | |
28 | { | |
2858b391 JH |
29 | private: |
30 | struct Point2F | |
31 | { | |
32 | GLfloat x, y; | |
33 | }; | |
34 | ||
131e8012 JH |
35 | private: |
36 | static const float Margin; | |
37 | ||
38 | static const float EdgeColour[3]; | |
39 | static const float HighColour[3]; | |
40 | static const float LowColour[3]; | |
41 | ||
3e46726a JH |
42 | static const QColor LogicSignalColours[10]; |
43 | ||
28a4c9c5 | 44 | public: |
2858b391 JH |
45 | LogicSignal(QString name, |
46 | boost::shared_ptr<LogicData> data, | |
28a4c9c5 JH |
47 | int probe_index); |
48 | ||
3b18c57d JH |
49 | /** |
50 | * Paints the signal into a QGLWidget. | |
51 | * @param widget the QGLWidget to paint into. | |
52 | * @param rect the rectangular area to draw the trace into. | |
fb0d32cb | 53 | * @param scale the scale in seconds per pixel. |
3b18c57d | 54 | * @param offset the time to show at the left hand edge of |
fb0d32cb | 55 | * the view in seconds. |
3b18c57d | 56 | **/ |
fb0d32cb JH |
57 | void paint(QGLWidget &widget, const QRect &rect, double scale, |
58 | double offset); | |
e3f65ace | 59 | |
2858b391 | 60 | private: |
131e8012 JH |
61 | |
62 | int paint_caps(Point2F *const cap_points, | |
63 | std::vector< std::pair<int64_t, bool> > &edges, | |
64 | bool level, double samples_per_pixel, double pixels_offset, | |
65 | int x_offset, int y_offset); | |
66 | ||
2858b391 JH |
67 | static void paint_lines(Point2F *points, int count); |
68 | ||
3e46726a JH |
69 | /** |
70 | * Get the colour of the logic signal | |
71 | */ | |
72 | QColor get_colour() const; | |
73 | ||
74 | /** | |
75 | * When painting into the rectangle, calculate the y | |
76 | * offset of the zero point. | |
77 | **/ | |
78 | int get_nominal_offset(const QRect &rect) const; | |
79 | ||
28a4c9c5 JH |
80 | private: |
81 | int _probe_index; | |
2858b391 | 82 | boost::shared_ptr<LogicData> _data; |
28a4c9c5 | 83 | }; |