Mercurial > hg > orthanc-stone
annotate Framework/Widgets/CairoWidget.cpp @ 273:f21ba2468570 am-2
force all Widgets to have a name to ease debugging
author | am@osimis.io |
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date | Fri, 24 Aug 2018 11:26:59 +0200 |
parents | 5412adf19980 |
children | 3a4ca166fafa |
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 | |
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35 CairoWidget::CairoWidget(const std::string& name) |
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36 : WidgetBase(name) |
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37 { |
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38 } |
0 | 39 |
40 void CairoWidget::SetSize(unsigned int width, | |
41 unsigned int height) | |
42 { | |
43 surface_.SetSize(width, height); | |
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 CairoSurface surface(target); | |
55 CairoContext context(surface); | |
56 ClearBackgroundCairo(context); | |
57 return RenderCairo(context); | |
58 } | |
59 else | |
60 { | |
61 CairoContext context(surface_); | |
62 ClearBackgroundCairo(context); | |
63 | |
64 if (RenderCairo(context)) | |
65 { | |
66 Orthanc::ImageProcessing::Copy(target, surface_.GetAccessor()); | |
67 return true; | |
68 } | |
69 else | |
70 { | |
71 return false; | |
72 } | |
73 } | |
74 } | |
75 | |
76 | |
77 void CairoWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
78 int x, | |
79 int y) | |
80 { | |
81 if (IsAligned(target)) | |
82 { | |
83 CairoSurface surface(target); | |
84 CairoContext context(surface); | |
85 RenderMouseOverCairo(context, x, y); | |
86 } | |
87 else | |
88 { | |
89 Orthanc::ImageAccessor accessor = surface_.GetAccessor(); | |
90 Orthanc::ImageProcessing::Copy(accessor, target); | |
91 | |
92 CairoContext context(surface_); | |
93 RenderMouseOverCairo(context, x, y); | |
94 | |
95 Orthanc::ImageProcessing::Copy(target, accessor); | |
96 } | |
97 } | |
98 } |