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comparison Framework/Layers/FrameRenderer.h @ 0:351ab0da0150

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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children 517c46f527cd
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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 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include "ILayerRenderer.h"
36
37 #include "../Toolbox/SliceGeometry.h"
38
39 namespace OrthancStone
40 {
41 class FrameRenderer : public ILayerRenderer
42 {
43 private:
44 SliceGeometry viewportSlice_;
45 SliceGeometry frameSlice_;
46 double pixelSpacingX_;
47 double pixelSpacingY_;
48 RenderStyle style_;
49 bool isFullQuality_;
50
51 std::auto_ptr<CairoSurface> display_;
52 cairo_matrix_t transform_;
53
54 protected:
55 virtual CairoSurface* GenerateDisplay(const RenderStyle& style) = 0;
56
57 public:
58 FrameRenderer(const SliceGeometry& viewportSlice,
59 const SliceGeometry& frameSlice,
60 double pixelSpacingX,
61 double pixelSpacingY,
62 bool isFullQuality);
63
64 static bool ComputeFrameExtent(double& x1,
65 double& y1,
66 double& x2,
67 double& y2,
68 const SliceGeometry& viewportSlice,
69 const SliceGeometry& frameSlice,
70 unsigned int frameWidth,
71 unsigned int frameHeight,
72 double pixelSpacingX,
73 double pixelSpacingY);
74
75 virtual bool RenderLayer(CairoContext& context,
76 const ViewportGeometry& view);
77
78 virtual void SetLayerStyle(const RenderStyle& style);
79
80 virtual bool IsFullQuality()
81 {
82 return isFullQuality_;
83 }
84
85 static ILayerRenderer* CreateRenderer(Orthanc::ImageAccessor* frame,
86 const SliceGeometry& viewportSlice,
87 const SliceGeometry& frameSlice,
88 const DicomDataset& dicom,
89 double pixelSpacingX,
90 double pixelSpacingY,
91 bool isFullQuality);
92 };
93 }