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comparison Framework/Scene2D/CompositorHelper.h @ 585:b9ce24c606ae

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TextSceneLayer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 19 Apr 2019 17:57:58 +0200
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584:434ceeb0bcab 585:b9ce24c606ae
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 "Scene2D.h"
25
26 namespace OrthancStone
27 {
28 class CompositorHelper : protected Scene2D::IVisitor
29 {
30 public:
31 class ILayerRenderer : public boost::noncopyable
32 {
33 public:
34 virtual ~ILayerRenderer()
35 {
36 }
37
38 virtual void Render(const AffineTransform2D& transform) = 0;
39
40 // "Update()" is only called if the type of the layer has not changed
41 virtual void Update(const ISceneLayer& layer) = 0;
42 };
43
44 class IRendererFactory : public boost::noncopyable
45 {
46 public:
47 virtual ~IRendererFactory()
48 {
49 }
50
51 virtual ILayerRenderer* Create(const ISceneLayer& layer) = 0;
52 };
53
54 private:
55 class Item;
56
57 typedef std::map<int, Item*> Content;
58
59 Scene2D& scene_;
60 IRendererFactory& factory_;
61 Content content_;
62 AffineTransform2D sceneTransform_;
63
64 protected:
65 virtual void Visit(const ISceneLayer& layer,
66 int depth);
67
68 public:
69 CompositorHelper(Scene2D& scene,
70 IRendererFactory& factory) :
71 scene_(scene),
72 factory_(factory)
73 {
74 }
75
76 ~CompositorHelper();
77
78 void Refresh(unsigned int canvasWidth,
79 unsigned int canvasHeight);
80 };
81 }