Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyAlphaLayer.cpp @ 922:988fa647df21
Added tag toa2019072201 for changeset 81d30cd93b65
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Mon, 22 Jul 2019 11:22:56 +0200 |
| parents | 42dadae61fa9 |
| children | a5f2a6b04a31 |
| rev | line source |
|---|---|
| 430 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2018 Osimis S.A., Belgium | |
| 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> | |
| 28 | |
| 29 namespace OrthancStone | |
| 30 { | |
| 31 | |
| 32 void RadiographyAlphaLayer::SetAlpha(Orthanc::ImageAccessor* image) | |
| 33 { | |
| 34 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
| 35 | |
| 36 if (image == NULL) | |
| 37 { | |
| 38 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 39 } | |
| 40 | |
| 41 if (image->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 42 { | |
| 43 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 44 } | |
| 45 | |
| 46 SetSize(image->GetWidth(), image->GetHeight()); | |
| 47 alpha_ = raii; | |
|
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77e0eb83ff63
layers are now Observable and emitting LayerEdited messages
amazy
parents:
432
diff
changeset
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48 |
|
623
42dadae61fa9
renamed IObservable::EmitMessage() as BroadcastMessage()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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49 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
| 430 | 50 } |
| 51 | |
| 52 void RadiographyAlphaLayer::Render(Orthanc::ImageAccessor& buffer, | |
| 53 const AffineTransform2D& viewTransform, | |
| 54 ImageInterpolation interpolation) const | |
| 55 { | |
| 56 if (alpha_.get() == NULL) | |
| 57 { | |
| 58 return; | |
| 59 } | |
| 60 | |
| 61 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32) | |
| 62 { | |
| 63 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 64 } | |
| 65 | |
| 66 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 67 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 68 | |
| 69 const AffineTransform2D t = AffineTransform2D::Combine( | |
| 70 viewTransform, GetTransform(), | |
| 71 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 72 | |
| 73 Orthanc::ImageAccessor cropped; | |
| 74 alpha_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 75 | |
| 76 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false); | |
| 77 | |
| 78 t.Apply(tmp, cropped, interpolation, true /* clear */); | |
| 79 | |
| 80 // Blit | |
| 81 const unsigned int width = buffer.GetWidth(); | |
| 82 const unsigned int height = buffer.GetHeight(); | |
| 83 | |
| 84 float value = foreground_; | |
| 85 | |
| 86 if (useWindowing_) | |
| 87 { | |
| 88 float center, width; | |
|
503
77e0eb83ff63
layers are now Observable and emitting LayerEdited messages
amazy
parents:
432
diff
changeset
|
89 if (GetScene().GetWindowing(center, width)) |
| 430 | 90 { |
|
432
4eb96c6b4e96
improved handling of MONOCHROME1, background and invertion
am@osimis.io
parents:
430
diff
changeset
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91 value = center + width / 2.0f; // set it to the maximum pixel value of the image |
| 430 | 92 } |
| 93 } | |
| 94 | |
| 95 for (unsigned int y = 0; y < height; y++) | |
| 96 { | |
| 97 float *q = reinterpret_cast<float*>(buffer.GetRow(y)); | |
| 98 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)); | |
| 99 | |
| 100 for (unsigned int x = 0; x < width; x++, p++, q++) | |
| 101 { | |
| 102 float a = static_cast<float>(*p) / 255.0f; | |
| 103 | |
| 104 *q = (a * value + (1.0f - a) * (*q)); | |
| 105 } | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 bool RadiographyAlphaLayer::GetRange(float& minValue, | |
| 110 float& maxValue) const | |
| 111 { | |
| 112 if (useWindowing_) | |
| 113 { | |
| 114 return false; | |
| 115 } | |
| 116 else | |
| 117 { | |
| 118 minValue = 0; | |
| 119 maxValue = 0; | |
| 120 | |
| 121 if (foreground_ < 0) | |
| 122 { | |
| 123 minValue = foreground_; | |
| 124 } | |
| 125 | |
| 126 if (foreground_ > 0) | |
| 127 { | |
| 128 maxValue = foreground_; | |
| 129 } | |
| 130 | |
| 131 return true; | |
| 132 } | |
| 133 } | |
| 134 } |