81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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