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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 "OpenGLTextureProgram.h"
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25
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26 namespace OrthancStone
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27 {
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28 namespace Internals
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29 {
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30 class OpenGLFloatTextureProgram : public boost::noncopyable
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31 {
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32 private:
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33 OpenGLTextureProgram program_;
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34
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35 public:
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36 OpenGLFloatTextureProgram(OpenGL::IOpenGLContext& context);
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37
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38 class Data : public boost::noncopyable
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39 {
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40 private:
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41 OpenGL::OpenGLTexture texture_;
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42 float offset_;
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43 float slope_;
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44
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45 public:
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46 Data(const Orthanc::ImageAccessor& texture,
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47 bool isLinearInterpolation);
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48
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49 float GetOffset() const
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50 {
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51 return offset_;
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52 }
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53
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54 float GetSlope() const
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55 {
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56 return slope_;
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57 }
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58
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59 OpenGL::OpenGLTexture& GetTexture()
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60 {
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61 return texture_;
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62 }
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63 };
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64
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65 void Apply(Data& data,
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66 const AffineTransform2D& transform,
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67 float windowCenter,
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68 float windowWidth);
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69 };
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70 }
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71 }
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