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comparison Framework/Scene2D/Internals/CairoBaseRenderer.h @ 595:6e471e6cf09b

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CairoPolylineRenderer, SdlOpenGLWindow
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 Apr 2019 15:11:11 +0200
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children 6e888cf6a48b
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594:9807ed3d3e03 595:6e471e6cf09b
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 #pragma once
23
24 #include "ICairoContextProvider.h"
25 #include "CompositorHelper.h"
26
27 namespace OrthancStone
28 {
29 namespace Internals
30 {
31 class CairoBaseRenderer : public CompositorHelper::ILayerRenderer
32 {
33 private:
34 ICairoContextProvider& target_;
35 std::auto_ptr<ISceneLayer> layer_;
36
37 protected:
38 template<typename T>
39 const T& GetLayer() const
40 {
41 return dynamic_cast<T&>(*layer_);
42 }
43
44 cairo_t* GetCairoContext() const
45 {
46 return target_.GetCairoContext();
47 }
48
49 public:
50 CairoBaseRenderer(ICairoContextProvider& target,
51 const ISceneLayer& layer) :
52 target_(target)
53 {
54 Update(layer);
55 }
56
57 virtual void Update(const ISceneLayer& layer)
58 {
59 layer_.reset(layer.Clone());
60 }
61 };
62 }
63 }