Mercurial > hg > orthanc
view Core/Images/ImageAccessor.h @ 2489:e91bab2d8c75
Bresenham's line algorithm
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 13 Mar 2018 21:14:21 +0100 |
parents | be1dbb1dcdd6 |
children | 9b4251721f22 |
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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) 2017-2018 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" #include <string> #include <stdint.h> namespace Orthanc { class ImageAccessor { private: template <Orthanc::PixelFormat Format> friend struct ImageTraits; bool readOnly_; PixelFormat format_; unsigned int width_; unsigned int height_; unsigned int pitch_; uint8_t *buffer_; template <typename T> const T& GetPixelUnchecked(unsigned int x, unsigned int y) const { const uint8_t* row = reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_; return reinterpret_cast<const T*>(row) [x]; } template <typename T> T& GetPixelUnchecked(unsigned int x, unsigned int y) { uint8_t* row = reinterpret_cast<uint8_t*>(buffer_) + y * pitch_; return reinterpret_cast<T*>(row) [x]; } public: ImageAccessor() { AssignEmpty(PixelFormat_Grayscale8); } virtual ~ImageAccessor() { } bool IsReadOnly() const { return readOnly_; } PixelFormat GetFormat() const { return format_; } unsigned int GetBytesPerPixel() const { return ::Orthanc::GetBytesPerPixel(format_); } unsigned int GetWidth() const { return width_; } unsigned int GetHeight() const { return height_; } unsigned int GetPitch() const { return pitch_; } unsigned int GetSize() const { return GetHeight() * GetPitch(); } const void* GetConstBuffer() const { return buffer_; } void* GetBuffer() const; const void* GetConstRow(unsigned int y) const; void* GetRow(unsigned int y) const; void AssignEmpty(PixelFormat format); void AssignReadOnly(PixelFormat format, unsigned int width, unsigned int height, unsigned int pitch, const void *buffer); void AssignWritable(PixelFormat format, unsigned int width, unsigned int height, unsigned int pitch, void *buffer); void ToMatlabString(std::string& target) const; ImageAccessor GetRegion(unsigned int x, unsigned int y, unsigned int width, unsigned int height) const; void SetFormat(PixelFormat format); }; }