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annotate Framework/Viewport/IViewport.h @ 905:88bf49aebc13

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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
author Alain Mazy <alain@mazy.be>
date Wed, 17 Jul 2019 16:56:53 +0200
parents 0aff28f15ea2
children 685c9a2d115f
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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 virtual const std::string& GetCanvasIdentifier() const = 0;
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50
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51 virtual ScenePoint2D GetPixelCenterCoordinates(int x, int y) const = 0;
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53 virtual ICompositor& GetCompositor() = 0;
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55 virtual const ICompositor& GetCompositor() const
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56 {
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57 IViewport* self = const_cast<IViewport*>(this);
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58 return self->GetCompositor();
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59 }
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60 };
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61 }