104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2015 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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 library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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// mapnik
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#include <mapnik/config.hpp>
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#include <mapnik/image.hpp>
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#include <mapnik/image_null.hpp>
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#include <mapnik/image_impl.hpp>
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#include <mapnik/pixel_types.hpp>
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namespace mapnik
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{
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namespace detail
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{
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// BUFFER
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buffer::buffer(std::size_t size)
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: size_(size),
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data_(static_cast<unsigned char*>(size_ != 0 ? ::operator new(size_) : nullptr)),
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owns_(true)
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{}
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buffer::buffer(unsigned char* data, std::size_t size)
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: size_(size),
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data_(data),
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owns_(false)
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{}
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// move
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buffer::buffer(buffer && rhs) noexcept
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: size_(rhs.size_),
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data_(rhs.data_),
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owns_(rhs.owns_)
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{
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rhs.size_ = 0;
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rhs.data_ = nullptr;
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rhs.owns_ = false;
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}
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// copy
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buffer::buffer(buffer const& rhs)
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: size_(rhs.size_),
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data_(static_cast<unsigned char*>((rhs.owns_ && size_ != 0) ? ::operator new(size_) : nullptr)),
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owns_(rhs.owns_)
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{
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if (data_) std::copy(rhs.data_, rhs.data_ + rhs.size_, data_);
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else data_ = rhs.data_;
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}
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buffer::~buffer()
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{
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if (owns_) ::operator delete(data_);
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}
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buffer& buffer::operator=(buffer rhs)
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{
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swap(rhs);
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return *this;
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}
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void buffer::swap(buffer & rhs)
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{
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std::swap(size_, rhs.size_);
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std::swap(data_, rhs.data_);
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std::swap(owns_, rhs.owns_);
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}
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template struct MAPNIK_DECL image_dimensions<65535>;
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} // end ns detail
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template class MAPNIK_DECL image<null_t>;
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template class MAPNIK_DECL image<rgba8_t>;
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template class MAPNIK_DECL image<gray8_t>;
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template class MAPNIK_DECL image<gray8s_t>;
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template class MAPNIK_DECL image<gray16_t>;
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template class MAPNIK_DECL image<gray16s_t>;
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template class MAPNIK_DECL image<gray32_t>;
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template class MAPNIK_DECL image<gray32s_t>;
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template class MAPNIK_DECL image<gray32f_t>;
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template class MAPNIK_DECL image<gray64_t>;
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template class MAPNIK_DECL image<gray64s_t>;
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template class MAPNIK_DECL image<gray64f_t>;
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} // end ns
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