Mercurial > hg > orthanc-stone
annotate Framework/Widgets/CairoWidget.cpp @ 40:7207a407bcd8
shared copyright with osimis
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jan 2017 16:37:42 +0100 |
parents | ff1e935768e7 |
children | 28956ed68280 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "CairoWidget.h" | |
35 | |
16 | 36 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
37 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
0 | 38 |
39 namespace OrthancStone | |
40 { | |
41 static bool IsAligned(const Orthanc::ImageAccessor& target) | |
42 { | |
43 // TODO | |
44 return true; | |
45 } | |
46 | |
47 | |
48 void CairoWidget::SetSize(unsigned int width, | |
49 unsigned int height) | |
50 { | |
51 surface_.SetSize(width, height); | |
52 } | |
53 | |
54 | |
55 bool CairoWidget::Render(Orthanc::ImageAccessor& target) | |
56 { | |
57 // Don't call the base class here, as | |
58 // "ClearBackgroundCairo()" is a faster alternative | |
59 | |
60 if (IsAligned(target)) | |
61 { | |
62 CairoSurface surface(target); | |
63 CairoContext context(surface); | |
64 ClearBackgroundCairo(context); | |
65 return RenderCairo(context); | |
66 } | |
67 else | |
68 { | |
69 CairoContext context(surface_); | |
70 ClearBackgroundCairo(context); | |
71 | |
72 if (RenderCairo(context)) | |
73 { | |
74 Orthanc::ImageProcessing::Copy(target, surface_.GetAccessor()); | |
75 return true; | |
76 } | |
77 else | |
78 { | |
79 return false; | |
80 } | |
81 } | |
82 } | |
83 | |
84 | |
85 void CairoWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
86 int x, | |
87 int y) | |
88 { | |
89 if (IsAligned(target)) | |
90 { | |
91 CairoSurface surface(target); | |
92 CairoContext context(surface); | |
93 RenderMouseOverCairo(context, x, y); | |
94 } | |
95 else | |
96 { | |
97 Orthanc::ImageAccessor accessor = surface_.GetAccessor(); | |
98 Orthanc::ImageProcessing::Copy(accessor, target); | |
99 | |
100 CairoContext context(surface_); | |
101 RenderMouseOverCairo(context, x, y); | |
102 | |
103 Orthanc::ImageProcessing::Copy(target, accessor); | |
104 } | |
105 } | |
106 } |