Mercurial > hg > orthanc-stone
annotate Framework/Widgets/CairoWidget.cpp @ 316:ce48c3b3b0e9
fix for new ImageAccessor API
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 08 Oct 2018 12:45:27 +0200 |
parents | 5412adf19980 |
children | 557c8ff1db5c |
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 | |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
47 | 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. | |
0 | 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 | |
47 | 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 | |
0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 **/ | |
20 | |
21 | |
22 #include "CairoWidget.h" | |
23 | |
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24 #include <Core/Images/ImageProcessing.h> |
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25 #include <Core/OrthancException.h> |
0 | 26 |
27 namespace OrthancStone | |
28 { | |
29 static bool IsAligned(const Orthanc::ImageAccessor& target) | |
30 { | |
31 // TODO | |
32 return true; | |
33 } | |
34 | |
35 | |
36 void CairoWidget::SetSize(unsigned int width, | |
37 unsigned int height) | |
38 { | |
39 surface_.SetSize(width, height); | |
40 } | |
41 | |
42 | |
43 bool CairoWidget::Render(Orthanc::ImageAccessor& target) | |
44 { | |
45 // Don't call the base class here, as | |
46 // "ClearBackgroundCairo()" is a faster alternative | |
47 | |
48 if (IsAligned(target)) | |
49 { | |
50 CairoSurface surface(target); | |
51 CairoContext context(surface); | |
52 ClearBackgroundCairo(context); | |
53 return RenderCairo(context); | |
54 } | |
55 else | |
56 { | |
57 CairoContext context(surface_); | |
58 ClearBackgroundCairo(context); | |
59 | |
60 if (RenderCairo(context)) | |
61 { | |
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62 Orthanc::ImageAccessor surface; |
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63 surface_.GetReadOnlyAccessor(surface); |
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64 Orthanc::ImageProcessing::Copy(target, surface); |
0 | 65 return true; |
66 } | |
67 else | |
68 { | |
69 return false; | |
70 } | |
71 } | |
72 } | |
73 | |
74 | |
75 void CairoWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
76 int x, | |
77 int y) | |
78 { | |
79 if (IsAligned(target)) | |
80 { | |
81 CairoSurface surface(target); | |
82 CairoContext context(surface); | |
83 RenderMouseOverCairo(context, x, y); | |
84 } | |
85 else | |
86 { | |
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87 Orthanc::ImageAccessor accessor; |
ce48c3b3b0e9
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parents:
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88 surface_.GetWriteableAccessor(accessor); |
0 | 89 Orthanc::ImageProcessing::Copy(accessor, target); |
90 | |
91 CairoContext context(surface_); | |
92 RenderMouseOverCairo(context, x, y); | |
93 | |
94 Orthanc::ImageProcessing::Copy(target, accessor); | |
95 } | |
96 } | |
97 } |