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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2014 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 | #ifndef PULSEVIEW_PV_VIEW_ROWITEMPAINTPARAMS_H | |
22 | #define PULSEVIEW_PV_VIEW_ROWITEMPAINTPARAMS_H | |
23 | ||
24 | namespace pv { | |
25 | namespace view { | |
26 | ||
27 | class RowItemPaintParams | |
28 | { | |
29 | public: | |
30 | RowItemPaintParams(int left, int right, double scale, double offset); | |
31 | ||
32 | int left() const { | |
33 | return left_; | |
34 | } | |
35 | ||
36 | int right() const { | |
37 | return right_; | |
38 | } | |
39 | ||
40 | double scale() const { | |
41 | return scale_; | |
42 | } | |
43 | ||
44 | double offset() const { | |
45 | return offset_; | |
46 | } | |
47 | ||
48 | int width() const { | |
49 | return right_ - left_; | |
50 | } | |
51 | ||
52 | double pixels_offset() const { | |
53 | return offset_ / scale_; | |
54 | } | |
55 | ||
56 | private: | |
57 | int left_; | |
58 | int right_; | |
59 | double scale_; | |
60 | double offset_; | |
61 | }; | |
62 | ||
63 | } // namespace view | |
64 | } // namespace pv | |
65 | ||
66 | #endif // PULSEVIEW_PV_VIEW_ROWITEMPAINTPARAMS_H |