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annotate OrthancStone/Sources/OpenGL/IOpenGLContext.h @ 1534:0443d04416d9

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don't discard the windowing altered by mouse
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 07 Aug 2020 21:48:43 +0200
parents 244ad1e4e76a
children 92fca2b3ba3d
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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) 2017-2020 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
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22 #pragma once
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23
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24 #include <boost/noncopyable.hpp>
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26 namespace OrthancStone
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27 {
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28 namespace OpenGL
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29 {
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30 class IOpenGLContext : public boost::noncopyable
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31 {
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32 public:
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33 virtual ~IOpenGLContext()
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34 {
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35 }
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36
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37 virtual bool IsContextLost() = 0;
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38
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39 virtual void MakeCurrent() = 0;
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40
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41 virtual void SwapBuffer() = 0;
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42
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43 virtual unsigned int GetCanvasWidth() const = 0;
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44
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45 virtual unsigned int GetCanvasHeight() const = 0;
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47 // Getting the size of the canvas can be expensive, especially
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48 // in WebAssembly => avoid calling this method too often
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49 // (e.g. on each refresh)
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50 virtual void RefreshCanvasSize() = 0;
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51 };
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52 }
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53 }