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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /*========================================================================= | ||
| * | ||
| * Copyright NumFOCUS | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0.txt | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| *=========================================================================*/ | ||
| #ifndef itkComponentTypesJSON_h | ||
| #define itkComponentTypesJSON_h | ||
|
|
||
| #include "glaze/glaze.hpp" | ||
|
|
||
| namespace itk | ||
| { | ||
| enum class JSONComponentTypesEnum | ||
| { | ||
| int8, | ||
| uint8, | ||
| int16, | ||
| uint16, | ||
| int32, | ||
| uint32, | ||
| int64, | ||
| uint64, | ||
| float32, | ||
| float64 | ||
| }; | ||
| } // end namespace itk | ||
|
|
||
| template <> | ||
| struct glz::meta<itk::JSONComponentTypesEnum> { | ||
| using enum itk::JSONComponentTypesEnum; | ||
| static constexpr auto value = glz::enumerate( | ||
| int8, | ||
| uint8, | ||
| int16, | ||
| uint16, | ||
| int32, | ||
| uint32, | ||
| int64, | ||
| float32, | ||
| float64 | ||
| ); | ||
| }; | ||
|
|
||
| #endif // itkComponentTypesJSON_h |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /*========================================================================= | ||
| * | ||
| * Copyright NumFOCUS | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0.txt | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| *=========================================================================*/ | ||
| #ifndef itkImageJSON_h | ||
| #define itkImageJSON_h | ||
|
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| #include "itkDefaultConvertPixelTraits.h" | ||
|
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| #include "itkWasmMapComponentType.h" | ||
| #include "itkWasmMapPixelType.h" | ||
| #include "itkIntTypesJSON.h" | ||
| #include "itkFloatTypesJSON.h" | ||
| #include "itkPixelTypesJSON.h" | ||
| #include "itkWasmImage.h" | ||
| #include "itkMetaDataDictionaryJSON.h" | ||
|
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| #include "glaze/glaze.hpp" | ||
|
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| namespace itk | ||
| { | ||
| /** \class ImageTypeJSON | ||
| * | ||
| * \brief Image type JSON representation data structure. | ||
| * | ||
| * \ingroup WebAssemblyInterface | ||
| */ | ||
| struct ImageTypeJSON | ||
| { | ||
| unsigned int dimension { 2 }; | ||
| JSONComponentTypesEnum componentType { JSONComponentTypesEnum::float32 }; | ||
| JSONPixelTypesEnum pixelType { JSONPixelTypesEnum::Scalar }; | ||
| unsigned int components { 1 }; | ||
| }; | ||
|
|
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| /** \class ImageJSON | ||
| * | ||
| * \brief Image JSON representation data structure. | ||
| * | ||
| * \ingroup WebAssemblyInterface | ||
| */ | ||
| struct ImageJSON | ||
| { | ||
| ImageTypeJSON imageType; | ||
|
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| std::string name { "Image" }; | ||
|
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| std::vector<double> origin { 0.0, 0.0 }; | ||
| std::vector<double> spacing { 1.0, 1.0 }; | ||
| std::string direction; | ||
| std::vector<size_t> size { 0, 0 }; | ||
|
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| MetadataJSON metadata; | ||
| std::string data; | ||
| }; | ||
|
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| template<typename TImage> | ||
| auto imageToImageJSON(const TImage * image, const WasmImage<TImage> * wasmImage, bool inMemory) -> ImageJSON | ||
| { | ||
| using ImageType = TImage; | ||
|
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| ImageJSON imageJSON; | ||
|
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| imageJSON.imageType.dimension = ImageType::ImageDimension; | ||
|
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| using PointType = typename TImage::PointType; | ||
| using PixelType = typename TImage::PixelType; | ||
| using IOPixelType = typename TImage::IOPixelType; | ||
| using ConvertPixelTraits = DefaultConvertPixelTraits<IOPixelType>; | ||
| using ComponentType = typename ConvertPixelTraits::ComponentType; | ||
| imageJSON.imageType.componentType = wasm::MapComponentType<typename ConvertPixelTraits::ComponentType>::JSONComponentEnum; | ||
| imageJSON.imageType.pixelType = wasm::MapPixelType<PixelType>::JSONPixelEnum; | ||
| imageJSON.imageType.components = image->GetNumberOfComponentsPerPixel(); | ||
|
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| imageJSON.name = image->GetObjectName(); | ||
| imageJSON.imageType.dimension = image->GetImageDimension(); | ||
|
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| const auto largestRegion = image->GetLargestPossibleRegion(); | ||
|
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| using PointType = typename ImageType::PointType; | ||
| PointType imageOrigin; | ||
| image->TransformIndexToPhysicalPoint(largestRegion.GetIndex(), imageOrigin); | ||
| imageJSON.origin.clear(); | ||
| for (unsigned int ii = 0; ii < ImageType::ImageDimension; ++ii) | ||
| { | ||
| imageJSON.origin.push_back(imageOrigin[ii]); | ||
| } | ||
|
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| imageJSON.spacing.clear(); | ||
| const auto imageSpacing = image->GetSpacing(); | ||
| for (unsigned int ii = 0; ii < ImageType::ImageDimension; ++ii) | ||
| { | ||
| imageJSON.spacing.push_back(imageSpacing[ii]); | ||
| } | ||
|
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| if (inMemory) | ||
| { | ||
| const auto direction = reinterpret_cast< size_t >( image->GetDirection().GetVnlMatrix().begin() ); | ||
| std::ostringstream directionStream; | ||
| directionStream << "data:application/vnd.itk.address,0:"; | ||
| directionStream << direction; | ||
| imageJSON.direction = directionStream.str(); | ||
| } | ||
| else | ||
| { | ||
| imageJSON.direction = "data:application/vnd.itk.path,data/direction.raw"; | ||
| } | ||
|
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| imageJSON.size.clear(); | ||
| const auto imageSize = image->GetBufferedRegion().GetSize(); | ||
| for (unsigned int ii = 0; ii < ImageType::ImageDimension; ++ii) | ||
| { | ||
| imageJSON.size.push_back(imageSize[ii]); | ||
| } | ||
|
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| if (inMemory) | ||
| { | ||
| const auto data = reinterpret_cast< size_t >( image->GetBufferPointer() ); | ||
| std::ostringstream dataStream; | ||
| dataStream << "data:application/vnd.itk.address,0:"; | ||
| dataStream << data; | ||
| imageJSON.data = dataStream.str(); | ||
| } | ||
| else | ||
| { | ||
| imageJSON.data = "data:application/vnd.itk.path,data/data.raw"; | ||
| } | ||
|
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| auto dictionary = image->GetMetaDataDictionary(); | ||
| metaDataDictionaryToJSON(dictionary, imageJSON.metadata); | ||
|
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| return imageJSON; | ||
| } | ||
| } // end namespace itk | ||
|
|
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| #endif // itkImageJSON_h |
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