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annotate OrthancStone/Sources/Scene2D/LookupTableTextureSceneLayer.h @ 1598:8563ea5d8ae4

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relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 26 Oct 2020 20:49:28 +0100
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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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23 #pragma once
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24
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25 #include "TextureBaseSceneLayer.h"
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27 namespace OrthancStone
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28 {
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29 class LookupTableTextureSceneLayer : public TextureBaseSceneLayer
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30 {
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31 private:
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32 ImageWindowing windowing_;
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33 float minValue_;
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34 float maxValue_;
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35 std::vector<uint8_t> lut_;
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36 bool applyLog_;
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37
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38 void SetLookupTableRgb(const std::vector<uint8_t>& lut);
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39
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40 public:
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41 // The pixel format must be convertible to Float32
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42 explicit LookupTableTextureSceneLayer(const Orthanc::ImageAccessor& texture);
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43
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44 void SetLookupTableGrayscale();
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45
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46 // The vector must contain either 3 * 256 values (RGB), or 4 * 256
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47 // (RGBA). In the RGB case, an alpha channel will be automatically added.
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48 void SetLookupTable(const std::vector<uint8_t>& lut);
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50 void SetRange(float minValue,
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51 float maxValue);
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52
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53 void FitRange();
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55 float GetMinValue() const
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56 {
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57 return minValue_;
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58 }
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59
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60 float GetMaxValue() const
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61 {
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62 return maxValue_;
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63 }
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64
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65 // This returns a vector of 4 * 256 values between 0 and 255, in RGBA.
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66 const std::vector<uint8_t>& GetLookupTable() const
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67 {
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68 return lut_;
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69 }
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70
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71 void SetApplyLog(bool apply);
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72
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73 bool IsApplyLog() const
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74 {
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75 return applyLog_;
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76 }
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77
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78 virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE;
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79
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80 virtual Type GetType() const ORTHANC_OVERRIDE
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81 {
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82 return Type_LookupTableTexture;
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83 }
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85 // Render the texture to a color image of format BGRA32 (Cairo
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86 // surfaces) or RGBA32 (OpenGL)
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87 void Render(Orthanc::ImageAccessor& target) const;
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88 };
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89 }