mirror of
https://github.com/matrix-construct/construct
synced 2024-11-17 15:30:52 +01:00
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_MAGICK_H
|
|
|
|
/// GraphicsMagick Library Interface
|
|
namespace ircd::magick
|
|
{
|
|
IRCD_EXCEPTION(ircd::error, error)
|
|
|
|
struct crop;
|
|
struct shave;
|
|
struct scale;
|
|
struct thumbnail;
|
|
struct thumbcrop;
|
|
|
|
extern const info::versions version_api, version_abi;
|
|
}
|
|
|
|
/// Composite thumbnailer to resize close to the requested dimension but
|
|
/// preserving original aspect ratio; then crop to requested dimension.
|
|
struct ircd::magick::thumbcrop
|
|
{
|
|
using dimensions = std::pair<size_t, size_t>; // x, y
|
|
using result_closure = std::function<void (const const_buffer &)>;
|
|
|
|
thumbcrop(const const_buffer &in,
|
|
const dimensions &,
|
|
const result_closure &);
|
|
};
|
|
|
|
/// Fast thumbnailer
|
|
struct ircd::magick::thumbnail
|
|
{
|
|
using dimensions = std::pair<size_t, size_t>; // x, y
|
|
using result_closure = std::function<void (const const_buffer &)>;
|
|
|
|
thumbnail(const const_buffer &in,
|
|
const dimensions &,
|
|
const result_closure &);
|
|
};
|
|
|
|
/// Basic resize (library selected algorithm)
|
|
struct ircd::magick::scale
|
|
{
|
|
using dimensions = std::pair<size_t, size_t>; // x, y
|
|
using result_closure = std::function<void (const const_buffer &)>;
|
|
|
|
scale(const const_buffer &in,
|
|
const dimensions &,
|
|
const result_closure &);
|
|
};
|
|
|
|
/// Shave off sides (center-crop to dimensions)
|
|
struct ircd::magick::shave
|
|
{
|
|
using offset = std::pair<ssize_t, ssize_t>; // x, y
|
|
using dimensions = std::pair<size_t, size_t>; // x, y
|
|
using result_closure = std::function<void (const const_buffer &)>;
|
|
|
|
shave(const const_buffer &in,
|
|
const dimensions &,
|
|
const offset &,
|
|
const result_closure &);
|
|
};
|
|
|
|
/// Crop to dimensions at offset
|
|
struct ircd::magick::crop
|
|
{
|
|
using offset = std::pair<ssize_t, ssize_t>; // x, y
|
|
using dimensions = std::pair<size_t, size_t>; // x, y
|
|
using result_closure = std::function<void (const const_buffer &)>;
|
|
|
|
crop(const const_buffer &in,
|
|
const dimensions &,
|
|
const offset &,
|
|
const result_closure &);
|
|
};
|