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annotate OrthancStone/Sources/Scene2D/Internals/CairoLookupTableTextureRenderer.h @ 1675:6fa05252b085

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don't load low-quality image if the parsed dicom file is cached by the oracle
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 23 Nov 2020 18:09:14 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
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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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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23 #pragma once
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24
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25 #include "../../Wrappers/CairoSurface.h"
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26 #include "CompositorHelper.h"
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27 #include "ICairoContextProvider.h"
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29 namespace OrthancStone
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30 {
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31 namespace Internals
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32 {
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33 class CairoLookupTableTextureRenderer : public CompositorHelper::ILayerRenderer
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34 {
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35 private:
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36 ICairoContextProvider& target_;
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37 CairoSurface texture_;
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38 AffineTransform2D textureTransform_;
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39 bool isLinearInterpolation_;
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41 public:
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42 CairoLookupTableTextureRenderer(ICairoContextProvider& target,
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43 const ISceneLayer& layer) :
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44 target_(target)
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45 {
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46 Update(layer);
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47 }
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48
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49 virtual void Update(const ISceneLayer& layer) ORTHANC_OVERRIDE;
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51 virtual void Render(const AffineTransform2D& transform,
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52 unsigned int canvasWidth,
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53 unsigned int canvasHeight) ORTHANC_OVERRIDE;
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54 };
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55 }
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56 }