Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyAlphaLayer.cpp @ 1299:c38c89684d83 broker
replacing std::auto_ptr by std::unique_ptr
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 02 Mar 2020 17:21:24 +0100 |
| parents | 1c7ae79c426d |
| children | 257f2c9a02ac |
| 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" | |
| 25 | |
| 26 #include <Core/Images/Image.h> | |
| 27 #include <Core/OrthancException.h> | |
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28 #include "../Toolbox/ImageGeometry.h" |
| 430 | 29 |
| 30 namespace OrthancStone | |
| 31 { | |
| 32 | |
| 33 void RadiographyAlphaLayer::SetAlpha(Orthanc::ImageAccessor* image) | |
| 34 { | |
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35 std::unique_ptr<Orthanc::ImageAccessor> raii(image); |
| 430 | 36 |
| 37 if (image == NULL) | |
| 38 { | |
| 39 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 40 } | |
| 41 | |
| 42 if (image->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 43 { | |
| 44 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 45 } | |
| 46 | |
| 47 SetSize(image->GetWidth(), image->GetHeight()); | |
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48 |
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49 #if __cplusplus < 201103L |
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50 alpha_.reset(raii.release()); |
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51 #else |
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52 alpha_ = std::move(raii); |
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53 #endif |
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54 |
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55 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
| 430 | 56 } |
| 57 | |
| 58 void RadiographyAlphaLayer::Render(Orthanc::ImageAccessor& buffer, | |
| 59 const AffineTransform2D& viewTransform, | |
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60 ImageInterpolation interpolation, |
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61 float windowCenter, |
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62 float windowWidth, |
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63 bool applyWindowing) const |
| 430 | 64 { |
| 65 if (alpha_.get() == NULL) | |
| 66 { | |
| 67 return; | |
| 68 } | |
| 69 | |
| 70 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32) | |
| 71 { | |
| 72 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 73 } | |
| 74 | |
| 75 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 76 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 77 | |
| 78 const AffineTransform2D t = AffineTransform2D::Combine( | |
| 79 viewTransform, GetTransform(), | |
| 80 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 81 | |
| 82 Orthanc::ImageAccessor cropped; | |
| 83 alpha_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 84 | |
| 85 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false); | |
| 86 | |
| 1201 | 87 unsigned int x1, y1, x2, y2; |
| 430 | 88 |
| 1201 | 89 if (!OrthancStone::GetProjectiveTransformExtent(x1, y1, x2, y2, |
| 90 t.GetHomogeneousMatrix(), | |
| 91 cropped.GetWidth(), | |
| 92 cropped.GetHeight(), | |
| 93 buffer.GetWidth(), | |
| 94 buffer.GetHeight())) | |
| 95 { | |
| 96 return; // layer is outside the buffer | |
| 97 } | |
| 98 | |
| 99 t.Apply(tmp, cropped, interpolation, true /* clear */); | |
| 430 | 100 |
| 101 float value = foreground_; | |
| 102 | |
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103 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 | 104 { |
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105 // 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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106 value = windowCenter - windowWidth/2 + (foreground_ / 65535.0f) * windowWidth; |
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107 |
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108 if (value < 0.0f) |
| 430 | 109 { |
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110 value = 0.0f; |
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111 } |
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112 if (value > 65535.0f) |
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113 { |
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114 value = 65535.0f; |
| 430 | 115 } |
| 116 } | |
| 117 | |
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118 for (unsigned int y = y1; y <= y2; y++) |
| 430 | 119 { |
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120 float *q = reinterpret_cast<float*>(buffer.GetRow(y)) + x1; |
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121 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)) + x1; |
| 430 | 122 |
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123 for (unsigned int x = x1; x <= x2; x++, p++, q++) |
| 430 | 124 { |
| 125 float a = static_cast<float>(*p) / 255.0f; | |
| 126 | |
| 127 *q = (a * value + (1.0f - a) * (*q)); | |
| 128 } | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 bool RadiographyAlphaLayer::GetRange(float& minValue, | |
| 133 float& maxValue) const | |
| 134 { | |
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135 minValue = 0; |
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136 maxValue = 0; |
| 430 | 137 |
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138 if (foreground_ < 0) |
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139 { |
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140 minValue = foreground_; |
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141 } |
| 430 | 142 |
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143 if (foreground_ > 0) |
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144 { |
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145 maxValue = foreground_; |
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146 } |
| 430 | 147 |
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148 return true; |
| 430 | 149 } |
| 150 } |