Mercurial > hg > orthanc
diff Core/ImageFormats/ImageBuffer.cpp @ 801:262feb14f92f
NEWS
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 May 2014 16:35:21 +0200 |
parents | |
children | a811bdf8b8eb |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/ImageFormats/ImageBuffer.cpp Tue May 06 16:35:21 2014 +0200 @@ -0,0 +1,108 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, + * 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/>. + **/ + + +#include "ImageBuffer.h" + +namespace Orthanc +{ + void ImageBuffer::Allocate() + { + if (changed_) + { + pitch_ = GetBytesPerPixel() * width_; + + data_.resize(pitch_ * height_); + if (data_.size() > 0) + { + buffer_ = &data_[0]; + } + else + { + buffer_ = 0; + } + + changed_ = false; + } + } + + + ImageBuffer::ImageBuffer() : changed_(false) + { + changed_ = false; + format_ = PixelFormat_Grayscale8; + width_ = 0; + height_ = 0; + pitch_ = 0; + buffer_ = NULL; + } + + + void ImageBuffer::SetFormat(PixelFormat format) + { + changed_ = true; + format_ = format; + } + + + void ImageBuffer::SetWidth(unsigned int width) + { + changed_ = true; + width_ = width; + } + + + void ImageBuffer::SetHeight(unsigned int height) + { + changed_ = true; + height_ = height; + } + + + ImageAccessor ImageBuffer::GetAccessor() + { + Allocate(); + + ImageAccessor accessor; + accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); + return accessor; + } + + + ImageAccessor ImageBuffer::GetConstAccessor() + { + Allocate(); + + ImageAccessor accessor; + accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); + return accessor; + } +}