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annotate Framework/Viewport/IViewport.h @ 1045:6a9300ecfa13

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tests for context loss are now restricted to WebAssembly
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 09 Oct 2019 17:17:56 +0200
parents a7351ad54960
children 32b403a47b19
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21 #pragma once
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22
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23 #include "../Scene2D/ICompositor.h"
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24 #include "../Scene2D/Scene2D.h"
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25 #include "../Scene2D/ScenePoint2D.h"
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26
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27 namespace OrthancStone
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28 {
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29 /**
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30 * Class that combines a Scene2D with a canvas where to draw the
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31 * scene. A call to "Refresh()" will update the content of the
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32 * canvas.
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33 **/
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34 class IViewport : public boost::noncopyable
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35 {
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36 public:
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37 virtual ~IViewport()
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38 {
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39 }
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40
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41 virtual Scene2D& GetScene() = 0;
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42
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43 virtual void Refresh() = 0;
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44
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45 virtual unsigned int GetCanvasWidth() const = 0;
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46
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47 virtual unsigned int GetCanvasHeight() const = 0;
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48
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49 // TODO - Is this needed at this level (e.g. for SDL)?
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50 virtual const std::string& GetCanvasIdentifier() const = 0;
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51
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52 virtual ScenePoint2D GetPixelCenterCoordinates(int x, int y) const = 0;
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53
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54 #if ORTHANC_ENABLE_LOCALE == 1
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55 virtual void SetFont(size_t index,
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56 Orthanc::EmbeddedResources::FileResourceId resource,
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57 unsigned int fontSize,
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58 Orthanc::Encoding codepage) = 0;
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59 #endif
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60
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61 protected:
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62 // TODO - Replace this by "ICompositor& GetCompositor()"
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63 virtual ICompositor* GetCompositor() = 0;
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64
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65 virtual const ICompositor* GetCompositor() const
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66 {
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67 IViewport* self = const_cast<IViewport*>(this);
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68 return self->GetCompositor();
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69 }
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70 };
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71 }