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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACE_VIEWITEMPAINTPARAMS_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACE_VIEWITEMPAINTPARAMS_HPP | |
22 | ||
23 | #include "pv/util.hpp" | |
24 | ||
25 | #include <QFont> | |
26 | #include <QRect> | |
27 | ||
28 | namespace pv { | |
29 | namespace views { | |
30 | namespace trace { | |
31 | ||
32 | class ViewItemPaintParams | |
33 | { | |
34 | public: | |
35 | ViewItemPaintParams( | |
36 | const QRect &rect, double scale, const pv::util::Timestamp& offset); | |
37 | ||
38 | QRect rect() const { | |
39 | return rect_; | |
40 | } | |
41 | ||
42 | double scale() const { | |
43 | return scale_; | |
44 | } | |
45 | ||
46 | const pv::util::Timestamp& offset() const { | |
47 | return offset_; | |
48 | } | |
49 | ||
50 | int left() const { | |
51 | return rect_.left(); | |
52 | } | |
53 | ||
54 | int right() const { | |
55 | return rect_.right(); | |
56 | } | |
57 | ||
58 | int top() const { | |
59 | return rect_.top(); | |
60 | } | |
61 | ||
62 | int bottom() const { | |
63 | return rect_.bottom(); | |
64 | } | |
65 | ||
66 | int width() const { | |
67 | return rect_.width(); | |
68 | } | |
69 | ||
70 | int height() const { | |
71 | return rect_.height(); | |
72 | } | |
73 | ||
74 | double pixels_offset() const { | |
75 | return (offset_ / scale_).convert_to<double>(); | |
76 | } | |
77 | ||
78 | bool next_bg_color_state() { | |
79 | const bool state = bg_color_state_; | |
80 | bg_color_state_ = !bg_color_state_; | |
81 | return state; | |
82 | } | |
83 | ||
84 | public: | |
85 | static QFont font(); | |
86 | ||
87 | static int text_height(); | |
88 | ||
89 | private: | |
90 | QRect rect_; | |
91 | double scale_; | |
92 | pv::util::Timestamp offset_; | |
93 | bool bg_color_state_; | |
94 | }; | |
95 | ||
96 | } // namespace trace | |
97 | } // namespace views | |
98 | } // namespace pv | |
99 | ||
100 | #endif // PULSEVIEW_PV_VIEWS_TRACE_VIEWITEMPAINTPARAMS_HPP |