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e7c3d04309
format all files Revert "format all files" This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414. Revert "format some files" This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5. format all files fix formatting in dir include fix formatting of debug macro
344 lines
8.1 KiB
C++
344 lines
8.1 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) 2021 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/image.hpp>
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#include <mapnik/pixel_types.hpp>
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// stl
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#include <cassert>
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#include <stdexcept>
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#include <algorithm>
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namespace mapnik {
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namespace detail {
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// IMAGE_DIMENSIONS
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template<std::size_t max_size>
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image_dimensions<max_size>::image_dimensions(int width, int height)
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: width_(width)
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, height_(height)
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{
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std::int64_t area = static_cast<std::int64_t>(width) * static_cast<std::int64_t>(height);
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if (width < 0)
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throw std::runtime_error("Invalid width for image dimensions requested");
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if (height < 0)
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throw std::runtime_error("Invalid height for image dimensions requested");
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if (area > static_cast<std::int64_t>(max_size))
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throw std::runtime_error("Image area too large based on image dimensions");
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}
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template<std::size_t max_size>
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std::size_t image_dimensions<max_size>::width() const
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{
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return width_;
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}
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template<std::size_t max_size>
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std::size_t image_dimensions<max_size>::height() const
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{
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return height_;
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}
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} // namespace detail
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// IMAGE
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template<typename T>
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image<T>::image()
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: dimensions_(0, 0)
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, buffer_(0)
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, offset_(0.0)
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, scaling_(1.0)
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, premultiplied_alpha_(false)
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, painted_(false)
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{}
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template<typename T>
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image<T>::image(int width, int height, unsigned char* data, bool premultiplied, bool painted)
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: dimensions_(width, height)
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, buffer_(data, width * height * sizeof(pixel_size))
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, offset_(0.0)
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, scaling_(1.0)
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, premultiplied_alpha_(premultiplied)
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, painted_(painted)
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{}
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template<typename T>
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image<T>::image(int width, int height, bool initialize, bool premultiplied, bool painted)
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: dimensions_(width, height)
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, buffer_(dimensions_.width() * dimensions_.height() * pixel_size)
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, offset_(0.0)
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, scaling_(1.0)
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, premultiplied_alpha_(premultiplied)
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, painted_(painted)
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{
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if (initialize)
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{
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std::fill(begin(), end(), 0);
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}
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}
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template<typename T>
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image<T>::image(image<T> const& rhs)
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: dimensions_(rhs.dimensions_)
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, buffer_(rhs.buffer_)
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, offset_(rhs.offset_)
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, scaling_(rhs.scaling_)
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, premultiplied_alpha_(rhs.premultiplied_alpha_)
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, painted_(rhs.painted_)
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{}
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template<typename T>
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image<T>::image(image<T>&& rhs) noexcept
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: dimensions_(std::move(rhs.dimensions_))
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, buffer_(std::move(rhs.buffer_))
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, offset_(rhs.offset_)
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, scaling_(rhs.scaling_)
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, premultiplied_alpha_(rhs.premultiplied_alpha_)
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, painted_(rhs.painted_)
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{
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rhs.dimensions_ = {0, 0};
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}
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template<typename T>
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image<T>& image<T>::operator=(image<T> 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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template<typename T>
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bool image<T>::operator==(image<T> const& rhs) const
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{
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return rhs.bytes() == bytes();
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}
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template<typename T>
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bool image<T>::operator<(image<T> const& rhs) const
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{
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return size() < rhs.size();
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}
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template<typename T>
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void image<T>::swap(image<T>& rhs)
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{
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std::swap(dimensions_, rhs.dimensions_);
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std::swap(buffer_, rhs.buffer_);
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std::swap(offset_, rhs.offset_);
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std::swap(scaling_, rhs.scaling_);
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std::swap(premultiplied_alpha_, rhs.premultiplied_alpha_);
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std::swap(painted_, rhs.painted_);
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}
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template<typename T>
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inline typename image<T>::pixel_type& image<T>::operator()(std::size_t i, std::size_t j)
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{
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assert(i < dimensions_.width() && j < dimensions_.height());
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return *get_row(j, i);
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}
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template<typename T>
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inline const typename image<T>::pixel_type& image<T>::operator()(std::size_t i, std::size_t j) const
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{
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assert(i < dimensions_.width() && j < dimensions_.height());
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return *get_row(j, i);
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}
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template<typename T>
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inline std::size_t image<T>::width() const
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{
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return dimensions_.width();
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}
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template<typename T>
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inline std::size_t image<T>::height() const
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{
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return dimensions_.height();
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}
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template<typename T>
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inline std::size_t image<T>::size() const
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{
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return dimensions_.height() * dimensions_.width() * pixel_size;
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}
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template<typename T>
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inline std::size_t image<T>::row_size() const
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{
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return dimensions_.width() * pixel_size;
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}
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template<typename T>
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inline void image<T>::set(pixel_type const& t)
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{
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std::fill(begin(), end(), t);
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}
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template<typename T>
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inline const typename image<T>::pixel_type* image<T>::data() const
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{
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return reinterpret_cast<const pixel_type*>(buffer_.data());
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}
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template<typename T>
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inline typename image<T>::pixel_type* image<T>::data()
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{
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return reinterpret_cast<pixel_type*>(buffer_.data());
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}
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template<typename T>
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inline const unsigned char* image<T>::bytes() const
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{
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return buffer_.data();
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}
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template<typename T>
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inline unsigned char* image<T>::bytes()
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{
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return buffer_.data();
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}
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// iterator interface
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template<typename T>
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inline typename image<T>::iterator image<T>::begin()
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{
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return data();
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}
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template<typename T>
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inline typename image<T>::iterator image<T>::end()
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{
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return data() + dimensions_.width() * dimensions_.height();
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}
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template<typename T>
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inline typename image<T>::const_iterator image<T>::begin() const
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{
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return data();
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}
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template<typename T>
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inline typename image<T>::const_iterator image<T>::end() const
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{
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return data() + dimensions_.width() * dimensions_.height();
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}
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template<typename T>
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inline typename image<T>::pixel_type const* image<T>::get_row(std::size_t row) const
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{
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return data() + row * dimensions_.width();
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}
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template<typename T>
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inline const typename image<T>::pixel_type* image<T>::get_row(std::size_t row, std::size_t x0) const
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{
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return data() + row * dimensions_.width() + x0;
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}
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template<typename T>
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inline typename image<T>::pixel_type* image<T>::get_row(std::size_t row)
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{
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return data() + row * dimensions_.width();
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}
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template<typename T>
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inline typename image<T>::pixel_type* image<T>::get_row(std::size_t row, std::size_t x0)
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{
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return data() + row * dimensions_.width() + x0;
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}
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template<typename T>
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inline void image<T>::set_row(std::size_t row, pixel_type const* buf, std::size_t size)
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{
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assert(row < dimensions_.height());
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assert(size <= dimensions_.width());
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std::copy(buf, buf + size, get_row(row));
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}
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template<typename T>
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inline void image<T>::set_row(std::size_t row, std::size_t x0, std::size_t x1, pixel_type const* buf)
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{
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assert(row < dimensions_.height());
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assert((x1 - x0) <= dimensions_.width());
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std::copy(buf, buf + (x1 - x0), get_row(row, x0));
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}
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template<typename T>
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inline double image<T>::get_offset() const
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{
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return offset_;
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}
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template<typename T>
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inline void image<T>::set_offset(double set)
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{
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offset_ = set;
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}
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template<typename T>
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inline double image<T>::get_scaling() const
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{
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return scaling_;
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}
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template<typename T>
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inline void image<T>::set_scaling(double scaling)
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{
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if (scaling != 0.0)
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{
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scaling_ = scaling;
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return;
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}
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}
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template<typename T>
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inline bool image<T>::get_premultiplied() const
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{
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return premultiplied_alpha_;
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}
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template<typename T>
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inline void image<T>::set_premultiplied(bool set)
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{
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premultiplied_alpha_ = set;
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}
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template<typename T>
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inline void image<T>::painted(bool painted)
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{
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painted_ = painted;
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}
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template<typename T>
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inline bool image<T>::painted() const
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{
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return painted_;
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}
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template<typename T>
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inline image_dtype image<T>::get_dtype() const
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{
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return dtype;
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}
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} // namespace mapnik
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