Mercurial > hg > orthanc-stone
comparison Framework/Deprecated/Widgets/CairoWidget.cpp @ 732:c35e98d22764
move Deprecated classes to a separate folder
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 21 May 2019 14:27:35 +0200 |
parents | Framework/Widgets/CairoWidget.cpp@4f2416d519b4 |
children | 2d8ab34c8c91 |
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729:529189f399ec | 732:c35e98d22764 |
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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 "CairoWidget.h" | |
23 | |
24 #include <Core/Images/ImageProcessing.h> | |
25 #include <Core/OrthancException.h> | |
26 | |
27 namespace Deprecated | |
28 { | |
29 static bool IsAligned(const Orthanc::ImageAccessor& target) | |
30 { | |
31 // TODO | |
32 return true; | |
33 } | |
34 | |
35 CairoWidget::CairoWidget(const std::string& name) : | |
36 WidgetBase(name) | |
37 { | |
38 } | |
39 | |
40 void CairoWidget::SetSize(unsigned int width, | |
41 unsigned int height) | |
42 { | |
43 surface_.SetSize(width, height, false /* no alpha */); | |
44 } | |
45 | |
46 | |
47 bool CairoWidget::Render(Orthanc::ImageAccessor& target) | |
48 { | |
49 // Don't call the base class here, as | |
50 // "ClearBackgroundCairo()" is a faster alternative | |
51 | |
52 if (IsAligned(target)) | |
53 { | |
54 OrthancStone::CairoSurface surface(target, false /* no alpha */); | |
55 OrthancStone::CairoContext context(surface); | |
56 ClearBackgroundCairo(context); | |
57 return RenderCairo(context); | |
58 } | |
59 else | |
60 { | |
61 OrthancStone::CairoContext context(surface_); | |
62 ClearBackgroundCairo(context); | |
63 | |
64 if (RenderCairo(context)) | |
65 { | |
66 Orthanc::ImageAccessor surface; | |
67 surface_.GetReadOnlyAccessor(surface); | |
68 Orthanc::ImageProcessing::Copy(target, surface); | |
69 return true; | |
70 } | |
71 else | |
72 { | |
73 return false; | |
74 } | |
75 } | |
76 } | |
77 | |
78 | |
79 void CairoWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
80 int x, | |
81 int y) | |
82 { | |
83 if (IsAligned(target)) | |
84 { | |
85 OrthancStone::CairoSurface surface(target, false /* no alpha */); | |
86 OrthancStone::CairoContext context(surface); | |
87 RenderMouseOverCairo(context, x, y); | |
88 } | |
89 else | |
90 { | |
91 Orthanc::ImageAccessor accessor; | |
92 surface_.GetWriteableAccessor(accessor); | |
93 Orthanc::ImageProcessing::Copy(accessor, target); | |
94 | |
95 OrthancStone::CairoContext context(surface_); | |
96 RenderMouseOverCairo(context, x, y); | |
97 | |
98 Orthanc::ImageProcessing::Copy(target, accessor); | |
99 } | |
100 } | |
101 } |