Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/FloatTextureSceneLayer.cpp @ 1533:82279abb92d0
GrayscaleWindowingSceneTracker
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 07 Aug 2020 15:55:59 +0200 |
| parents | 244ad1e4e76a |
| children | 4fb8fdf03314 |
| rev | line source |
|---|---|
| 590 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 590 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "FloatTextureSceneLayer.h" | |
| 23 | |
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24 #include "../Toolbox/ImageToolbox.h" |
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25 |
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26 #include <Images/Image.h> |
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27 #include <Images/ImageProcessing.h> |
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28 #include <OrthancException.h> |
| 590 | 29 |
| 30 namespace OrthancStone | |
| 31 { | |
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32 FloatTextureSceneLayer::FloatTextureSceneLayer(const Orthanc::ImageAccessor& texture) : |
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33 inverted_(false), |
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34 applyLog_(false), |
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35 isRangeComputed_(false), |
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36 minValue_(0), |
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37 maxValue_(0) |
| 590 | 38 { |
| 39 { | |
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40 std::unique_ptr<Orthanc::ImageAccessor> t( |
| 590 | 41 new Orthanc::Image(Orthanc::PixelFormat_Float32, |
| 42 texture.GetWidth(), | |
| 43 texture.GetHeight(), | |
| 44 false)); | |
| 45 | |
| 46 Orthanc::ImageProcessing::Convert(*t, texture); | |
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47 |
| 590 | 48 SetTexture(t.release()); |
| 49 } | |
| 50 | |
| 51 SetCustomWindowing(128, 256); | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void FloatTextureSceneLayer::SetWindowing(ImageWindowing windowing) | |
| 56 { | |
| 57 if (windowing_ != windowing) | |
| 58 { | |
| 59 if (windowing == ImageWindowing_Custom) | |
| 60 { | |
| 61 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 62 } | |
| 63 else | |
| 64 { | |
| 65 windowing_ = windowing; | |
| 66 IncrementRevision(); | |
| 67 } | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 void FloatTextureSceneLayer::SetCustomWindowing(float customCenter, | |
| 72 float customWidth) | |
| 73 { | |
| 74 if (customWidth <= 0) | |
| 75 { | |
| 76 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 77 } | |
| 78 else | |
| 79 { | |
| 80 windowing_ = ImageWindowing_Custom; | |
| 81 customCenter_ = customCenter; | |
| 82 customWidth_ = customWidth; | |
| 83 IncrementRevision(); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 | |
| 88 void FloatTextureSceneLayer::GetWindowing(float& targetCenter, | |
| 89 float& targetWidth) const | |
| 90 { | |
| 91 ::OrthancStone::ComputeWindowing(targetCenter, targetWidth, | |
| 92 windowing_, customCenter_, customWidth_); | |
| 93 } | |
| 94 | |
| 95 | |
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96 void FloatTextureSceneLayer::SetInverted(bool inverted) |
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97 { |
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98 inverted_ = inverted; |
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99 IncrementRevision(); |
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100 } |
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101 |
| 1163 | 102 |
| 103 void FloatTextureSceneLayer::SetApplyLog(bool apply) | |
| 104 { | |
| 105 applyLog_ = apply; | |
| 106 IncrementRevision(); | |
| 107 } | |
| 108 | |
| 109 | |
| 590 | 110 void FloatTextureSceneLayer::FitRange() |
| 111 { | |
| 112 float minValue, maxValue; | |
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113 GetRange(minValue, maxValue); |
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114 assert(minValue <= maxValue); |
| 590 | 115 |
| 116 float width; | |
| 117 | |
| 118 if (LinearAlgebra::IsCloseToZero(maxValue - minValue)) | |
| 119 { | |
| 120 width = 1; | |
| 121 } | |
| 122 else | |
| 123 { | |
| 124 width = maxValue - minValue; | |
| 125 } | |
| 126 | |
| 127 SetCustomWindowing((minValue + maxValue) / 2.0f, width); | |
| 128 } | |
| 129 | |
| 130 | |
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131 void FloatTextureSceneLayer::GetRange(float& minValue, |
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132 float& maxValue) |
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133 { |
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134 if (!isRangeComputed_) |
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135 { |
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136 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue_, maxValue_, GetTexture()); |
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137 isRangeComputed_ = true; |
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138 } |
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139 |
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140 assert(minValue_ <= maxValue_); |
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141 |
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142 minValue = minValue_; |
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143 maxValue = maxValue_; |
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144 } |
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145 |
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146 |
| 590 | 147 ISceneLayer* FloatTextureSceneLayer::Clone() const |
| 148 { | |
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149 std::unique_ptr<FloatTextureSceneLayer> cloned |
| 590 | 150 (new FloatTextureSceneLayer(GetTexture())); |
| 151 | |
| 152 cloned->CopyParameters(*this); | |
| 153 cloned->windowing_ = windowing_; | |
| 154 cloned->customCenter_ = customCenter_; | |
| 155 cloned->customWidth_ = customWidth_; | |
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156 cloned->inverted_ = inverted_; |
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157 cloned->applyLog_ = applyLog_; |
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158 cloned->isRangeComputed_ = isRangeComputed_; |
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159 cloned->minValue_ = minValue_; |
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160 cloned->maxValue_ = maxValue_; |
| 590 | 161 |
| 162 return cloned.release(); | |
| 163 } | |
| 164 } |