405 lines
9.0 KiB
C++
405 lines
9.0 KiB
C++
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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**/
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#pragma once
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#include "../Compatibility.h" // For ORTHANC_FORCE_INLINE
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#include "../Enumerations.h"
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#include <limits>
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namespace Orthanc
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{
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template <PixelFormat format,
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typename _PixelType>
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struct IntegerPixelTraits
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{
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typedef _PixelType PixelType;
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ORTHANC_FORCE_INLINE
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static PixelFormat GetPixelFormat()
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{
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return format;
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}
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ORTHANC_FORCE_INLINE
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static PixelType IntegerToPixel(int64_t value)
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{
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if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min()))
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{
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return std::numeric_limits<PixelType>::min();
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}
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else if (value > static_cast<int64_t>(std::numeric_limits<PixelType>::max()))
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{
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return std::numeric_limits<PixelType>::max();
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}
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else
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{
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return static_cast<PixelType>(value);
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}
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}
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ORTHANC_FORCE_INLINE
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static void SetZero(PixelType& target)
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{
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target = 0;
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}
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ORTHANC_FORCE_INLINE
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static void SetMinValue(PixelType& target)
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{
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target = std::numeric_limits<PixelType>::min();
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}
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ORTHANC_FORCE_INLINE
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static void SetMaxValue(PixelType& target)
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{
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target = std::numeric_limits<PixelType>::max();
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}
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ORTHANC_FORCE_INLINE
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static void Copy(PixelType& target,
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const PixelType& source)
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{
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target = source;
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}
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ORTHANC_FORCE_INLINE
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static float PixelToFloat(const PixelType& source)
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{
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return static_cast<float>(source);
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}
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ORTHANC_FORCE_INLINE
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static void FloatToPixel(PixelType& target,
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float value)
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{
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value += 0.5f;
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if (value < static_cast<float>(std::numeric_limits<PixelType>::min()))
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{
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target = std::numeric_limits<PixelType>::min();
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}
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else if (value > static_cast<float>(std::numeric_limits<PixelType>::max()))
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{
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target = std::numeric_limits<PixelType>::max();
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}
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else
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{
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target = static_cast<PixelType>(value);
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}
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}
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ORTHANC_FORCE_INLINE
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static bool IsEqual(const PixelType& a,
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const PixelType& b)
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{
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return a == b;
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}
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};
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template <PixelFormat Format>
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struct PixelTraits;
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template <>
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struct PixelTraits<PixelFormat_Grayscale8> :
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public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t>
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{
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};
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template <>
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struct PixelTraits<PixelFormat_Grayscale16> :
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public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_t>
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{
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};
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template <>
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struct PixelTraits<PixelFormat_SignedGrayscale16> :
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public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_t>
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{
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};
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template <>
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struct PixelTraits<PixelFormat_Grayscale32> :
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public IntegerPixelTraits<PixelFormat_Grayscale32, uint32_t>
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{
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};
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template <>
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struct PixelTraits<PixelFormat_Grayscale64> :
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public IntegerPixelTraits<PixelFormat_Grayscale64, uint64_t>
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{
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};
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template <>
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struct PixelTraits<PixelFormat_RGB24>
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{
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struct PixelType
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{
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uint8_t red_;
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uint8_t green_;
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uint8_t blue_;
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};
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ORTHANC_FORCE_INLINE
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static PixelFormat GetPixelFormat()
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{
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return PixelFormat_RGB24;
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}
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ORTHANC_FORCE_INLINE
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static void SetZero(PixelType& target)
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{
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target.red_ = 0;
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target.green_ = 0;
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target.blue_ = 0;
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}
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ORTHANC_FORCE_INLINE
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static void Copy(PixelType& target,
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const PixelType& source)
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{
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target.red_ = source.red_;
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target.green_ = source.green_;
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target.blue_ = source.blue_;
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}
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ORTHANC_FORCE_INLINE
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static bool IsEqual(const PixelType& a,
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const PixelType& b)
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{
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return (a.red_ == b.red_ &&
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a.green_ == b.green_ &&
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a.blue_ == b.blue_);
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}
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ORTHANC_FORCE_INLINE
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static void FloatToPixel(PixelType& target,
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float value)
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{
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uint8_t v;
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PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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target.red_ = v;
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target.green_ = v;
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target.blue_ = v;
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}
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};
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template <>
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struct PixelTraits<PixelFormat_BGRA32>
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{
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struct PixelType
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{
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uint8_t blue_;
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uint8_t green_;
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uint8_t red_;
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uint8_t alpha_;
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};
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ORTHANC_FORCE_INLINE
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static PixelFormat GetPixelFormat()
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{
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return PixelFormat_BGRA32;
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}
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ORTHANC_FORCE_INLINE
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static void SetZero(PixelType& target)
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{
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target.blue_ = 0;
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target.green_ = 0;
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target.red_ = 0;
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target.alpha_ = 0;
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}
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ORTHANC_FORCE_INLINE
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static void Copy(PixelType& target,
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const PixelType& source)
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{
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target.blue_ = source.blue_;
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target.green_ = source.green_;
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target.red_ = source.red_;
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target.alpha_ = source.alpha_;
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}
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ORTHANC_FORCE_INLINE
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static bool IsEqual(const PixelType& a,
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const PixelType& b)
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{
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return (a.blue_ == b.blue_ &&
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a.green_ == b.green_ &&
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a.red_ == b.red_ &&
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a.alpha_ == b.alpha_);
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}
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ORTHANC_FORCE_INLINE
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static void FloatToPixel(PixelType& target,
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float value)
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{
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uint8_t v;
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PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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target.blue_ = v;
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target.green_ = v;
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target.red_ = v;
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target.alpha_ = 255;
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}
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};
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template <>
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struct PixelTraits<PixelFormat_RGBA32>
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{
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struct PixelType
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{
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uint8_t red_;
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uint8_t green_;
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uint8_t blue_;
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uint8_t alpha_;
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};
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ORTHANC_FORCE_INLINE
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static PixelFormat GetPixelFormat()
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{
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return PixelFormat_RGBA32;
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}
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ORTHANC_FORCE_INLINE
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static void SetZero(PixelType& target)
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{
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target.red_ = 0;
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target.green_ = 0;
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target.blue_ = 0;
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target.alpha_ = 0;
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}
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ORTHANC_FORCE_INLINE
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static void Copy(PixelType& target,
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const PixelType& source)
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{
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target.red_ = source.red_;
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target.green_ = source.green_;
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target.blue_ = source.blue_;
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target.alpha_ = source.alpha_;
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}
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ORTHANC_FORCE_INLINE
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static bool IsEqual(const PixelType& a,
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const PixelType& b)
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{
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return (a.red_ == b.red_ &&
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a.green_ == b.green_ &&
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a.blue_ == b.blue_ &&
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a.alpha_ == b.alpha_);
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}
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ORTHANC_FORCE_INLINE
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static void FloatToPixel(PixelType& target,
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float value)
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{
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uint8_t v;
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PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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target.red_ = v;
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target.green_ = v;
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target.blue_ = v;
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target.alpha_ = 255;
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}
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};
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template <>
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struct PixelTraits<PixelFormat_Float32>
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{
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typedef float PixelType;
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ORTHANC_FORCE_INLINE
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static PixelFormat GetPixelFormat()
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{
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return PixelFormat_Float32;
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}
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ORTHANC_FORCE_INLINE
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static void SetZero(PixelType& target)
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{
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target = 0.0f;
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}
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ORTHANC_FORCE_INLINE
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static void Copy(PixelType& target,
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const PixelType& source)
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{
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target = source;
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}
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ORTHANC_FORCE_INLINE
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static bool IsEqual(const PixelType& a,
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const PixelType& b)
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{
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float tmp = (a - b);
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if (tmp < 0)
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{
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tmp = -tmp;
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}
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return tmp <= std::numeric_limits<float>::epsilon();
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}
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ORTHANC_FORCE_INLINE
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static void SetMinValue(PixelType& target)
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{
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// std::numeric_limits<float>::lowest is not supported on
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// all compilers (for instance, Visual Studio 9.0 2008)
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target = -std::numeric_limits<float>::max();
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}
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ORTHANC_FORCE_INLINE
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static void SetMaxValue(PixelType& target)
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{
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target = std::numeric_limits<float>::max();
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}
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ORTHANC_FORCE_INLINE
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static void FloatToPixel(PixelType& target,
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float value)
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{
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target = value;
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}
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ORTHANC_FORCE_INLINE
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static float PixelToFloat(const PixelType& source)
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{
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return source;
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}
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};
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}
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