1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/************************************************************************
*
* Copyright (C) 2023-2025 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <data/transfer_function.hpp>
#include <ui/__/editor.hpp>
#include <QPointer>
#include <QSlider>
#include <QTimer>
namespace sight::module::ui::qt::image
{
/**
* @brief Provides a slider allowing to scale the opacity of a transfer function or one of its piece.
*
* @section XML XML Configuration
*
* @code{.xml}
<service uid="..." type="sight::module::ui::qt::image::transfer_function_opacity" auto_connect="true">
<inout key="tf" uid="..." />
<config piece="3" />
</service>
@endcode
*
* @subsection In-Out In-Out
* - \b tf [sight::data::transfer_function]: the current transfer function.
*
* @subsection Configuration Configuration
* - \b piece(optional, default="-1"): if specified not negative, apply the opacity on the given piece instead of the
* whole function.
*/
class transfer_function_opacity final : public QObject,
public sight::ui::editor
{
Q_OBJECT
public:
SIGHT_DECLARE_SERVICE(transfer_function_opacity, sight::ui::editor);
/// Initialize signals and slots.
transfer_function_opacity() noexcept = default;
/// Destroys the service.
~transfer_function_opacity() noexcept override = default;
protected:
/// Configures the service.
void configuring() final;
/// Installs the layout.
void starting() final;
/// Updates editor information from the image.
void updating() final;
/// Destroys the layout.
void stopping() final;
/**
* @brief Proposals to connect service slots to associated object signals.
*
* Connect all transfers functions signals to the update() slot.
*/
[[nodiscard]] connections_t auto_connections() const final;
protected Q_SLOTS:
/// Called when the slider moves
void change_opacity(int _value);
private:
/// If configured, contains the index of a transfer function piece, otherwise -1
std::optional<std::size_t> m_piece = {};
/// Slider widget
QPointer<QSlider> m_slider;
/// Previous value, used to scale the opacity when it changes
int m_previous_value {50};
static constexpr std::string_view TF = "tf";
data::ptr<data::transfer_function, data::access::inout> m_tf {this, TF};
};
} // namespace sight::module::ui::qt::image
|
