84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2011-2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_IMAGE_HPP
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#define __UTIL_IMAGE_HPP
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#include <cstdint>
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#include <cstdlib>
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#include <memory>
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#include <boost/filesystem/path.hpp>
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namespace util {
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namespace image {
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template <typename T>
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struct buffer {
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typedef T value_type;
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buffer (size_t w, size_t h);
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buffer (size_t w, size_t h, size_t s);
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buffer (size_t w, size_t h, size_t s, std::unique_ptr<T[]> &&data);
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buffer (const buffer<T>&) = delete;
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buffer (buffer<T> &&) = default;
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void fill (T);
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template <typename U>
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buffer<U> alloc (void) const;
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template <typename U>
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buffer<U> clone (void) const;
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buffer<T> downsample (float factor) const;
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size_t w;
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size_t h;
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size_t s;
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std::unique_ptr<T[]> data;
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};
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}
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struct pgm {
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static image::buffer<uint8_t> read (const boost::filesystem::path&);
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static void write (const image::buffer<uint8_t> &src,
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const boost::filesystem::path &);
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static void write (const uint8_t *restrict pixels,
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size_t width,
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size_t height,
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size_t stride,
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const boost::filesystem::path &path);
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};
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struct ppm {
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static void write (const uint8_t *restrict pixels,
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size_t width,
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size_t height,
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size_t stride,
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const boost::filesystem::path &path);
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};
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}
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#endif
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