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comparison OrthancStone/Sources/Scene2D/CairoCompositor.h @ 1512:244ad1e4e76a

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reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Scene2D/CairoCompositor.h@5c96bf3f1d32
children 92fca2b3ba3d
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1511:9dfeee74c1e6 1512:244ad1e4e76a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 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 "ICompositor.h"
25 #include "../Fonts/GlyphBitmapAlphabet.h"
26 #include "../Wrappers/CairoContext.h"
27 #include "Internals/CompositorHelper.h"
28 #include "Internals/ICairoContextProvider.h"
29
30 namespace OrthancStone
31 {
32 class CairoCompositor :
33 public ICompositor,
34 private Internals::CompositorHelper::IRendererFactory,
35 private Internals::ICairoContextProvider
36 {
37 private:
38 typedef std::map<size_t, GlyphBitmapAlphabet*> Fonts;
39
40 std::unique_ptr<Internals::CompositorHelper> helper_;
41 CairoSurface canvas_;
42 Fonts fonts_;
43
44 // Only valid during a call to "Refresh()"
45 std::unique_ptr<CairoContext> context_;
46
47 virtual cairo_t* GetCairoContext() ORTHANC_OVERRIDE;
48
49 virtual Internals::CompositorHelper::ILayerRenderer* Create(const ISceneLayer& layer) ORTHANC_OVERRIDE;
50
51 public:
52 CairoCompositor(unsigned int canvasWidth,
53 unsigned int canvasHeight);
54
55 virtual ~CairoCompositor();
56
57 const CairoSurface& GetCanvas() const
58 {
59 return canvas_;
60 }
61
62 virtual void RefreshCanvasSize() ORTHANC_OVERRIDE
63 {
64 // The canvas size is constant in Cairo, except if
65 // "UpdateSize()" is called
66 }
67
68 virtual unsigned int GetCanvasWidth() const ORTHANC_OVERRIDE
69 {
70 return canvas_.GetWidth();
71 }
72
73 virtual unsigned int GetCanvasHeight() const ORTHANC_OVERRIDE
74 {
75 return canvas_.GetHeight();
76 }
77
78 void SetFont(size_t index,
79 GlyphBitmapAlphabet* dict); // Takes ownership
80
81 #if ORTHANC_ENABLE_LOCALE == 1
82 virtual void SetFont(size_t index,
83 const std::string& ttf,
84 unsigned int fontSize,
85 Orthanc::Encoding codepage) ORTHANC_OVERRIDE;
86 #endif
87
88 virtual void Refresh(const Scene2D& scene) ORTHANC_OVERRIDE;
89
90 virtual void ResetScene() ORTHANC_OVERRIDE
91 {
92 helper_.reset(new Internals::CompositorHelper(*this));
93 }
94
95 void UpdateSize(unsigned int canvasWidth,
96 unsigned int canvasHeight);
97
98 Orthanc::ImageAccessor* RenderText(size_t fontIndex,
99 const std::string& utf8) const;
100 };
101 }