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comparison Framework/Deprecated/Widgets/WidgetBase.cpp @ 732:c35e98d22764

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move Deprecated classes to a separate folder
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 21 May 2019 14:27:35 +0200
parents Framework/Widgets/WidgetBase.cpp@4f2416d519b4
children 2d8ab34c8c91
comparison
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729:529189f399ec 732:c35e98d22764
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "WidgetBase.h"
23
24 #include <Core/OrthancException.h>
25 #include <Core/Images/ImageProcessing.h>
26 #include <Core/Logging.h>
27
28 namespace Deprecated
29 {
30 void WidgetBase::NotifyContentChanged()
31 {
32 if (parent_ != NULL)
33 {
34 parent_->NotifyContentChanged();
35 }
36
37 if (viewport_ != NULL)
38 {
39 viewport_->NotifyBackgroundChanged();
40 }
41 }
42
43
44 void WidgetBase::SetParent(IWidget& parent)
45 {
46 if (parent_ != NULL)
47 {
48 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
49 }
50 else
51 {
52 parent_ = &parent;
53 }
54 }
55
56
57 void WidgetBase::ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const
58 {
59 // Clear the background using Orthanc
60
61 if (backgroundCleared_)
62 {
63 Orthanc::ImageProcessing::Set(target,
64 backgroundColor_[0],
65 backgroundColor_[1],
66 backgroundColor_[2],
67 255 /* alpha */);
68 }
69 }
70
71
72 void WidgetBase::ClearBackgroundCairo(OrthancStone::CairoContext& context) const
73 {
74 // Clear the background using Cairo
75
76 if (IsBackgroundCleared())
77 {
78 uint8_t red, green, blue;
79 GetBackgroundColor(red, green, blue);
80
81 context.SetSourceColor(red, green, blue);
82 cairo_paint(context.GetObject());
83 }
84 }
85
86
87 void WidgetBase::ClearBackgroundCairo(Orthanc::ImageAccessor& target) const
88 {
89 OrthancStone::CairoSurface surface(target, false /* no alpha */);
90 OrthancStone::CairoContext context(surface);
91 ClearBackgroundCairo(context);
92 }
93
94
95 void WidgetBase::UpdateStatusBar(const std::string& message)
96 {
97 if (statusBar_ != NULL)
98 {
99 statusBar_->SetMessage(message);
100 }
101 }
102
103
104 WidgetBase::WidgetBase(const std::string& name) :
105 parent_(NULL),
106 viewport_(NULL),
107 statusBar_(NULL),
108 backgroundCleared_(false),
109 transmitMouseOver_(false),
110 name_(name)
111 {
112 backgroundColor_[0] = 0;
113 backgroundColor_[1] = 0;
114 backgroundColor_[2] = 0;
115 }
116
117
118 void WidgetBase::SetViewport(WidgetViewport& viewport)
119 {
120 if (viewport_ != NULL)
121 {
122 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
123 }
124 else
125 {
126 viewport_ = &viewport;
127 }
128 }
129
130
131 void WidgetBase::SetBackgroundColor(uint8_t red,
132 uint8_t green,
133 uint8_t blue)
134 {
135 backgroundColor_[0] = red;
136 backgroundColor_[1] = green;
137 backgroundColor_[2] = blue;
138 }
139
140 void WidgetBase::GetBackgroundColor(uint8_t& red,
141 uint8_t& green,
142 uint8_t& blue) const
143 {
144 red = backgroundColor_[0];
145 green = backgroundColor_[1];
146 blue = backgroundColor_[2];
147 }
148
149
150 bool WidgetBase::Render(Orthanc::ImageAccessor& surface)
151 {
152 #if 0
153 ClearBackgroundOrthanc(surface);
154 #else
155 ClearBackgroundCairo(surface); // Faster than Orthanc
156 #endif
157
158 return true;
159 }
160
161
162 void WidgetBase::DoAnimation()
163 {
164 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
165 }
166 }