Mercurial > hg > orthanc
diff Core/Images/PixelTraits.h @ 2487:be1dbb1dcdd6
PixelTraits and ImageTraits
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 13 Mar 2018 16:29:20 +0100 |
parents | |
children | e91bab2d8c75 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/PixelTraits.h Tue Mar 13 16:29:20 2018 +0100 @@ -0,0 +1,273 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "../Enumerations.h" + + +namespace Orthanc +{ + template <PixelFormat Format> + struct PixelTraits; + + + template <> + struct PixelTraits<PixelFormat_Grayscale8> + { + typedef uint8_t PixelType; + + ORTHANC_FORCE_INLINE + static PixelFormat GetPixelFormat() + { + return PixelFormat_Grayscale8; + } + + ORTHANC_FORCE_INLINE + static void SetZero(PixelType& target) + { + target = 0; + } + + 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) + { + target = static_cast<uint8_t>(value); + } + + ORTHANC_FORCE_INLINE + static bool IsEqual(const PixelType& a, + const PixelType& b) + { + return a == b; + } + }; + + + template <> + struct PixelTraits<PixelFormat_Grayscale16> + { + typedef uint16_t PixelType; + + ORTHANC_FORCE_INLINE + static PixelFormat GetPixelFormat() + { + return PixelFormat_Grayscale16; + } + + ORTHANC_FORCE_INLINE + static void SetZero(PixelType& target) + { + target = 0; + } + + 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) + { + target = static_cast<uint16_t>(value); + } + + ORTHANC_FORCE_INLINE + static bool IsEqual(const PixelType& a, + const PixelType& b) + { + return a == b; + } + }; + + + template <> + struct PixelTraits<PixelFormat_SignedGrayscale16> + { + typedef int16_t PixelType; + + ORTHANC_FORCE_INLINE + static PixelFormat GetPixelFormat() + { + return PixelFormat_SignedGrayscale16; + } + + ORTHANC_FORCE_INLINE + static void SetZero(PixelType& target) + { + target = 0; + } + + 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) + { + target = static_cast<int16_t>(value); + } + + ORTHANC_FORCE_INLINE + static bool IsEqual(const PixelType& a, + const PixelType& b) + { + return a == b; + } + }; + + + 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_); + } + }; + + + 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_); + } + }; +}