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annotate Framework/Scene2D/Internals/CairoBaseRenderer.h @ 1223:04fd875b91f4

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fix
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 07 Dec 2019 18:41:54 +0100
parents 6e888cf6a48b
children 2d8ab34c8c91
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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
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22 #pragma once
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23
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24 #include "ICairoContextProvider.h"
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25 #include "CompositorHelper.h"
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26
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27 namespace OrthancStone
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28 {
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29 namespace Internals
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30 {
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31 class CairoBaseRenderer : public CompositorHelper::ILayerRenderer
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32 {
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33 private:
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34 ICairoContextProvider& target_;
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35 std::auto_ptr<ISceneLayer> layer_;
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36
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37 protected:
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38 template<typename T>
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39 const T& GetLayer() const
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40 {
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41 return dynamic_cast<T&>(*layer_);
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42 }
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43
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44 cairo_t* GetCairoContext() const
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45 {
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46 return target_.GetCairoContext();
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47 }
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48
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49 public:
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50 CairoBaseRenderer(ICairoContextProvider& target,
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51 const ISceneLayer& layer) :
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52 target_(target)
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53 {
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54 Update(layer);
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55 }
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56
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57 virtual void Update(const ISceneLayer& layer)
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58 {
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59 layer_.reset(layer.Clone());
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60 }
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61 };
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62 }
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63 }