Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Deprecated/Radiography/RadiographyAlphaLayer.cpp @ 1556:8898f8f755c8
typo
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 18 Aug 2020 11:58:47 +0200 |
| parents | 244ad1e4e76a |
| children |
| rev | line source |
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| 430 | 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 |
| 430 | 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 "RadiographyAlphaLayer.h" | |
| 23 | |
| 24 #include "RadiographyScene.h" | |
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25 #include "../Toolbox/ImageGeometry.h" |
| 430 | 26 |
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27 #include <Compatibility.h> |
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28 #include <Images/Image.h> |
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29 #include <OrthancException.h> |
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30 |
| 430 | 31 |
| 32 namespace OrthancStone | |
| 33 { | |
| 34 | |
| 35 void RadiographyAlphaLayer::SetAlpha(Orthanc::ImageAccessor* image) | |
| 36 { | |
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37 std::unique_ptr<Orthanc::ImageAccessor> raii(image); |
| 430 | 38 |
| 39 if (image == NULL) | |
| 40 { | |
| 41 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 42 } | |
| 43 | |
| 44 if (image->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 45 { | |
| 46 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 47 } | |
| 48 | |
| 49 SetSize(image->GetWidth(), image->GetHeight()); | |
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50 |
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51 #if __cplusplus < 201103L |
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52 alpha_.reset(raii.release()); |
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53 #else |
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54 alpha_ = std::move(raii); |
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55 #endif |
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56 |
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57 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
| 430 | 58 } |
| 59 | |
| 60 void RadiographyAlphaLayer::Render(Orthanc::ImageAccessor& buffer, | |
| 61 const AffineTransform2D& viewTransform, | |
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62 ImageInterpolation interpolation, |
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63 float windowCenter, |
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64 float windowWidth, |
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65 bool applyWindowing) const |
| 430 | 66 { |
| 67 if (alpha_.get() == NULL) | |
| 68 { | |
| 69 return; | |
| 70 } | |
| 71 | |
| 72 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32) | |
| 73 { | |
| 74 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 75 } | |
| 76 | |
| 77 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 78 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 79 | |
| 80 const AffineTransform2D t = AffineTransform2D::Combine( | |
| 81 viewTransform, GetTransform(), | |
| 82 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 83 | |
| 84 Orthanc::ImageAccessor cropped; | |
| 85 alpha_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 86 | |
| 87 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false); | |
| 88 | |
| 1201 | 89 unsigned int x1, y1, x2, y2; |
| 430 | 90 |
| 1201 | 91 if (!OrthancStone::GetProjectiveTransformExtent(x1, y1, x2, y2, |
| 92 t.GetHomogeneousMatrix(), | |
| 93 cropped.GetWidth(), | |
| 94 cropped.GetHeight(), | |
| 95 buffer.GetWidth(), | |
| 96 buffer.GetHeight())) | |
| 97 { | |
| 98 return; // layer is outside the buffer | |
| 99 } | |
| 100 | |
| 101 t.Apply(tmp, cropped, interpolation, true /* clear */); | |
| 430 | 102 |
| 103 float value = foreground_; | |
| 104 | |
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105 if (!applyWindowing) // if applying the windowing, it means we are ie rendering the image for a realtime visualization -> the foreground_ value is the value we want to see on the screen -> don't change it |
| 430 | 106 { |
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107 // if not applying the windowing, it means ie that we are saving a dicom image to file and the windowing will be applied by a viewer later on -> we want the "foreground" value to be correct once the windowing will be applied |
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108 value = windowCenter - windowWidth/2 + (foreground_ / 65535.0f) * windowWidth; |
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109 |
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110 if (value < 0.0f) |
| 430 | 111 { |
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112 value = 0.0f; |
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113 } |
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114 if (value > 65535.0f) |
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115 { |
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116 value = 65535.0f; |
| 430 | 117 } |
| 118 } | |
| 119 | |
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120 for (unsigned int y = y1; y <= y2; y++) |
| 430 | 121 { |
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122 float *q = reinterpret_cast<float*>(buffer.GetRow(y)) + x1; |
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123 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)) + x1; |
| 430 | 124 |
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125 for (unsigned int x = x1; x <= x2; x++, p++, q++) |
| 430 | 126 { |
| 127 float a = static_cast<float>(*p) / 255.0f; | |
| 128 | |
| 129 *q = (a * value + (1.0f - a) * (*q)); | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 bool RadiographyAlphaLayer::GetRange(float& minValue, | |
| 135 float& maxValue) const | |
| 136 { | |
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137 minValue = 0; |
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138 maxValue = 0; |
| 430 | 139 |
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140 if (foreground_ < 0) |
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141 { |
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142 minValue = foreground_; |
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143 } |
| 430 | 144 |
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145 if (foreground_ > 0) |
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146 { |
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147 maxValue = foreground_; |
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148 } |
| 430 | 149 |
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150 return true; |
| 430 | 151 } |
| 152 } |