Mercurial > hg > orthanc-stone
annotate Framework/Deprecated/Layers/GrayscaleFrameRenderer.cpp @ 1006:4f28d9459e31 toa2019092001
Fixed unit tests and deprecated classes according to last API changes. UT all run ok.
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Fri, 20 Sep 2019 12:13:10 +0200 |
| parents | c35e98d22764 |
| children | 2d8ab34c8c91 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 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. | |
| 0 | 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 | |
| 47 | 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 | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "GrayscaleFrameRenderer.h" | |
| 23 | |
| 378 | 24 #include <Core/Images/Image.h> |
|
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25 #include <Core/OrthancException.h> |
| 0 | 26 |
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27 namespace Deprecated |
| 0 | 28 { |
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29 OrthancStone::CairoSurface* GrayscaleFrameRenderer::GenerateDisplay(const RenderStyle& style) |
| 0 | 30 { |
| 338 | 31 assert(frame_->GetFormat() == Orthanc::PixelFormat_Float32); |
| 32 | |
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33 std::auto_ptr<OrthancStone::CairoSurface> result; |
| 0 | 34 |
| 35 float windowCenter, windowWidth; | |
| 36 style.ComputeWindowing(windowCenter, windowWidth, | |
| 37 defaultWindowCenter_, defaultWindowWidth_); | |
| 38 | |
| 39 float x0 = windowCenter - windowWidth / 2.0f; | |
| 40 float x1 = windowCenter + windowWidth / 2.0f; | |
| 41 | |
| 42 //LOG(INFO) << "Window: " << x0 << " => " << x1; | |
| 43 | |
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44 result.reset(new OrthancStone::CairoSurface(frame_->GetWidth(), frame_->GetHeight(), false /* no alpha */)); |
| 0 | 45 |
| 46 const uint8_t* lut = NULL; | |
| 47 if (style.applyLut_) | |
| 48 { | |
| 49 if (Orthanc::EmbeddedResources::GetFileResourceSize(style.lut_) != 3 * 256) | |
| 50 { | |
| 51 // Invalid colormap | |
| 52 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 53 } | |
| 54 | |
| 55 lut = reinterpret_cast<const uint8_t*>(Orthanc::EmbeddedResources::GetFileResourceBuffer(style.lut_)); | |
| 56 } | |
| 106 | 57 |
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58 Orthanc::ImageAccessor target; |
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59 result->GetWriteableAccessor(target); |
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60 |
| 106 | 61 const unsigned int width = target.GetWidth(); |
| 62 const unsigned int height = target.GetHeight(); | |
| 63 | |
| 64 for (unsigned int y = 0; y < height; y++) | |
| 0 | 65 { |
| 66 const float* p = reinterpret_cast<const float*>(frame_->GetConstRow(y)); | |
| 67 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 68 | |
| 106 | 69 for (unsigned int x = 0; x < width; x++, p++, q += 4) |
| 0 | 70 { |
| 71 uint8_t v = 0; | |
| 72 if (windowWidth >= 0.001f) // Avoid division by zero | |
| 73 { | |
| 74 if (*p >= x1) | |
| 75 { | |
| 76 v = 255; | |
| 77 } | |
| 78 else if (*p <= x0) | |
| 79 { | |
| 80 v = 0; | |
| 81 } | |
| 82 else | |
| 83 { | |
| 84 // https://en.wikipedia.org/wiki/Linear_interpolation | |
| 85 v = static_cast<uint8_t>(255.0f * (*p - x0) / (x1 - x0)); | |
| 86 } | |
| 87 | |
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88 if (style.reverse_ ^ (photometric_ == Orthanc::PhotometricInterpretation_Monochrome1)) |
| 0 | 89 { |
| 90 v = 255 - v; | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 if (style.applyLut_) | |
| 95 { | |
| 96 assert(lut != NULL); | |
| 97 q[3] = 255; | |
| 98 q[2] = lut[3 * v]; | |
| 99 q[1] = lut[3 * v + 1]; | |
| 100 q[0] = lut[3 * v + 2]; | |
| 101 } | |
| 102 else | |
| 103 { | |
| 104 q[3] = 255; | |
| 105 q[2] = v; | |
| 106 q[1] = v; | |
| 107 q[0] = v; | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 return result.release(); | |
| 113 } | |
| 114 | |
| 115 | |
| 378 | 116 GrayscaleFrameRenderer::GrayscaleFrameRenderer(const Orthanc::ImageAccessor& frame, |
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117 const Deprecated::DicomFrameConverter& converter, |
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118 const OrthancStone::CoordinateSystem3D& framePlane, |
| 0 | 119 double pixelSpacingX, |
| 120 double pixelSpacingY, | |
| 121 bool isFullQuality) : | |
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122 FrameRenderer(framePlane, pixelSpacingX, pixelSpacingY, isFullQuality), |
| 378 | 123 frame_(Orthanc::Image::Clone(frame)), |
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124 defaultWindowCenter_(static_cast<float>(converter.GetDefaultWindowCenter())), |
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125 defaultWindowWidth_(static_cast<float>(converter.GetDefaultWindowWidth())), |
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126 photometric_(converter.GetPhotometricInterpretation()) |
| 0 | 127 { |
| 378 | 128 if (frame_.get() == NULL) |
| 0 | 129 { |
| 130 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 131 } | |
| 132 | |
| 338 | 133 converter.ConvertFrameInplace(frame_); |
| 0 | 134 assert(frame_.get() != NULL); |
| 135 | |
| 136 if (frame_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 137 { | |
| 138 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 139 } | |
| 140 } | |
| 141 } |