mirror of
https://github.com/matrix-construct/construct
synced 2024-07-05 01:58:35 +02:00
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_MAGICK_H
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/// GraphicsMagick Library Interface
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namespace ircd::magick
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{
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IRCD_EXCEPTION(ircd::error, error)
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struct crop;
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struct shave;
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struct scale;
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struct thumbnail;
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struct thumbcrop;
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std::tuple<ulong, string_view> version();
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}
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/// Composite thumbnailer to resize close to the requested dimension but
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/// preserving original aspect ratio; then crop to requested dimension.
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struct ircd::magick::thumbcrop
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{
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using dimensions = std::pair<size_t, size_t>; // x, y
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using result_closure = std::function<void (const const_buffer &)>;
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thumbcrop(const const_buffer &in,
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const dimensions &,
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const result_closure &);
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};
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/// Fast thumbnailer
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struct ircd::magick::thumbnail
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{
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using dimensions = std::pair<size_t, size_t>; // x, y
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using result_closure = std::function<void (const const_buffer &)>;
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thumbnail(const const_buffer &in,
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const dimensions &,
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const result_closure &);
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};
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/// Basic resize (library selected algorithm)
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struct ircd::magick::scale
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{
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using dimensions = std::pair<size_t, size_t>; // x, y
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using result_closure = std::function<void (const const_buffer &)>;
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scale(const const_buffer &in,
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const dimensions &,
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const result_closure &);
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};
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/// Shave off sides (center-crop to dimensions)
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struct ircd::magick::shave
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{
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using offset = std::pair<ssize_t, ssize_t>; // x, y
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using dimensions = std::pair<size_t, size_t>; // x, y
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using result_closure = std::function<void (const const_buffer &)>;
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shave(const const_buffer &in,
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const dimensions &,
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const offset &,
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const result_closure &);
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};
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/// Crop to dimensions at offset
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struct ircd::magick::crop
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{
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using offset = std::pair<ssize_t, ssize_t>; // x, y
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using dimensions = std::pair<size_t, size_t>; // x, y
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using result_closure = std::function<void (const const_buffer &)>;
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crop(const const_buffer &in,
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const dimensions &,
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const offset &,
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const result_closure &);
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};
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