86 lines
3 KiB
C++
86 lines
3 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) 2017 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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#ifndef MAPNIK_IMAGE_ANY_HPP
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#define MAPNIK_IMAGE_ANY_HPP
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#include <mapnik/image.hpp>
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#include <mapnik/image_null.hpp>
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#include <mapnik/util/variant.hpp>
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namespace mapnik {
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using image_base = util::variant<image_null,
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image_rgba8,
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image_gray8,
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image_gray8s,
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image_gray16,
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image_gray16s,
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image_gray32,
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image_gray32s,
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image_gray32f,
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image_gray64,
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image_gray64s,
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image_gray64f>;
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struct MAPNIK_DECL image_any : image_base
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{
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image_any() = default;
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image_any(int width,
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int height,
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image_dtype type = image_dtype_rgba8,
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bool initialize = true,
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bool premultiplied = false,
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bool painted = false);
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template <typename T>
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image_any(T && _data)
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noexcept(std::is_nothrow_constructible<image_base, T && >::value)
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: image_base(std::forward<T>(_data)) {}
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unsigned char const* bytes() const;
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unsigned char* bytes();
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std::size_t width() const;
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std::size_t height() const;
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bool get_premultiplied() const;
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bool painted() const;
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std::size_t size() const;
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std::size_t row_size() const;
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double get_offset() const;
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double get_scaling() const;
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image_dtype get_dtype() const;
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void set_offset(double val);
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void set_scaling(double val);
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};
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MAPNIK_DECL image_any create_image_any(int width,
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int height,
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image_dtype type = image_dtype_rgba8,
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bool initialize = true,
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bool premultiplied = false,
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bool painted = false);
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} // end mapnik ns
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#endif // MAPNIK_IMAGE_ANY_HPP
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