Mercurial > hg > orthanc
view OrthancFramework/Sources/Images/PixelTraits.h @ 4377:4770ac7287ec
integration varian->mainline
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Thu, 17 Dec 2020 11:42:48 +0100 |
parents | 2007ab69ac16 |
children | d9473bd5ed43 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "../Compatibility.h" // For ORTHANC_FORCE_INLINE #include "../Enumerations.h" #include <limits> namespace Orthanc { template <PixelFormat format, typename _PixelType> struct IntegerPixelTraits { typedef _PixelType PixelType; ORTHANC_FORCE_INLINE static PixelFormat GetPixelFormat() { return format; } ORTHANC_FORCE_INLINE static PixelType IntegerToPixel(int64_t value) { if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min())) { return std::numeric_limits<PixelType>::min(); } else if (value > static_cast<int64_t>(std::numeric_limits<PixelType>::max())) { return std::numeric_limits<PixelType>::max(); } else { return static_cast<PixelType>(value); } } ORTHANC_FORCE_INLINE static void SetZero(PixelType& target) { target = 0; } ORTHANC_FORCE_INLINE static void SetMinValue(PixelType& target) { target = std::numeric_limits<PixelType>::min(); } ORTHANC_FORCE_INLINE static void SetMaxValue(PixelType& target) { target = std::numeric_limits<PixelType>::max(); } ORTHANC_FORCE_INLINE static void Copy(PixelType& target, const PixelType& source) { target = source; } ORTHANC_FORCE_INLINE static float PixelToFloat(const PixelType& source) { return static_cast<float>(source); } ORTHANC_FORCE_INLINE static void FloatToPixel(PixelType& target, float value) { value += 0.5f; if (value < static_cast<float>(std::numeric_limits<PixelType>::min())) { target = std::numeric_limits<PixelType>::min(); } else if (value > static_cast<float>(std::numeric_limits<PixelType>::max())) { target = std::numeric_limits<PixelType>::max(); } else { target = static_cast<PixelType>(value); } } ORTHANC_FORCE_INLINE static bool IsEqual(const PixelType& a, const PixelType& b) { return a == b; } }; template <PixelFormat Format> struct PixelTraits; template <> struct PixelTraits<PixelFormat_Grayscale8> : public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t> { }; template <> struct PixelTraits<PixelFormat_Grayscale16> : public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_t> { }; template <> struct PixelTraits<PixelFormat_SignedGrayscale16> : public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_t> { }; template <> struct PixelTraits<PixelFormat_Grayscale32> : public IntegerPixelTraits<PixelFormat_Grayscale32, uint32_t> { }; template <> struct PixelTraits<PixelFormat_Grayscale64> : public IntegerPixelTraits<PixelFormat_Grayscale64, uint64_t> { }; template <> struct PixelTraits<PixelFormat_RGB24> { struct PixelType { uint8_t red_; uint8_t green_; uint8_t blue_; }; ORTHANC_FORCE_INLINE static PixelFormat GetPixelFormat() { return PixelFormat_RGB24; } ORTHANC_FORCE_INLINE static void SetZero(PixelType& target) { target.red_ = 0; target.green_ = 0; target.blue_ = 0; } ORTHANC_FORCE_INLINE static void Copy(PixelType& target, const PixelType& source) { target.red_ = source.red_; target.green_ = source.green_; target.blue_ = source.blue_; } ORTHANC_FORCE_INLINE static bool IsEqual(const PixelType& a, const PixelType& b) { return (a.red_ == b.red_ && a.green_ == b.green_ && a.blue_ == b.blue_); } ORTHANC_FORCE_INLINE static void FloatToPixel(PixelType& target, float value) { uint8_t v; PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); target.red_ = v; target.green_ = v; target.blue_ = v; } }; template <> struct PixelTraits<PixelFormat_BGRA32> { struct PixelType { uint8_t blue_; uint8_t green_; uint8_t red_; uint8_t alpha_; }; ORTHANC_FORCE_INLINE static PixelFormat GetPixelFormat() { return PixelFormat_BGRA32; } ORTHANC_FORCE_INLINE static void SetZero(PixelType& target) { target.blue_ = 0; target.green_ = 0; target.red_ = 0; target.alpha_ = 0; } ORTHANC_FORCE_INLINE static void Copy(PixelType& target, const PixelType& source) { target.blue_ = source.blue_; target.green_ = source.green_; target.red_ = source.red_; target.alpha_ = source.alpha_; } ORTHANC_FORCE_INLINE static bool IsEqual(const PixelType& a, const PixelType& b) { return (a.blue_ == b.blue_ && a.green_ == b.green_ && a.red_ == b.red_ && a.alpha_ == b.alpha_); } ORTHANC_FORCE_INLINE static void FloatToPixel(PixelType& target, float value) { uint8_t v; PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); target.blue_ = v; target.green_ = v; target.red_ = v; target.alpha_ = 255; } }; template <> struct PixelTraits<PixelFormat_RGBA32> { struct PixelType { uint8_t red_; uint8_t green_; uint8_t blue_; uint8_t alpha_; }; ORTHANC_FORCE_INLINE static PixelFormat GetPixelFormat() { return PixelFormat_RGBA32; } ORTHANC_FORCE_INLINE static void SetZero(PixelType& target) { target.red_ = 0; target.green_ = 0; target.blue_ = 0; target.alpha_ = 0; } ORTHANC_FORCE_INLINE static void Copy(PixelType& target, const PixelType& source) { target.red_ = source.red_; target.green_ = source.green_; target.blue_ = source.blue_; target.alpha_ = source.alpha_; } ORTHANC_FORCE_INLINE static bool IsEqual(const PixelType& a, const PixelType& b) { return (a.red_ == b.red_ && a.green_ == b.green_ && a.blue_ == b.blue_ && a.alpha_ == b.alpha_); } ORTHANC_FORCE_INLINE static void FloatToPixel(PixelType& target, float value) { uint8_t v; PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); target.red_ = v; target.green_ = v; target.blue_ = v; target.alpha_ = 255; } }; template <> struct PixelTraits<PixelFormat_Float32> { typedef float PixelType; ORTHANC_FORCE_INLINE static PixelFormat GetPixelFormat() { return PixelFormat_Float32; } ORTHANC_FORCE_INLINE static void SetZero(PixelType& target) { target = 0.0f; } ORTHANC_FORCE_INLINE static void Copy(PixelType& target, const PixelType& source) { target = source; } ORTHANC_FORCE_INLINE static bool IsEqual(const PixelType& a, const PixelType& b) { float tmp = (a - b); if (tmp < 0) { tmp = -tmp; } return tmp <= std::numeric_limits<float>::epsilon(); } ORTHANC_FORCE_INLINE static void SetMinValue(PixelType& target) { // std::numeric_limits<float>::lowest is not supported on // all compilers (for instance, Visual Studio 9.0 2008) target = -std::numeric_limits<float>::max(); } ORTHANC_FORCE_INLINE static void SetMaxValue(PixelType& target) { target = std::numeric_limits<float>::max(); } ORTHANC_FORCE_INLINE static void FloatToPixel(PixelType& target, float value) { target = value; } ORTHANC_FORCE_INLINE static float PixelToFloat(const PixelType& source) { return source; } }; }