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Diffstat (limited to 'src/animation/gtd-easing.h')
| -rw-r--r-- | src/animation/gtd-easing.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/animation/gtd-easing.h b/src/animation/gtd-easing.h new file mode 100644 index 0000000..b83bb7f --- /dev/null +++ b/src/animation/gtd-easing.h @@ -0,0 +1,141 @@ +/* gtd-easing.h + * + * Copyright 2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +#include <glib.h> + +#include "gtd-animation-enums.h" + +G_BEGIN_DECLS + +/** + * GtdEaseFunc: + * @t: elapsed time + * @d: total duration + * + * Internal type for the easing functions used by Gtd. + * + * Return value: the interpolated value, between -1.0 and 2.0 + */ +typedef gdouble (* GtdEaseFunc) (gdouble t, gdouble d); + +GtdEaseFunc gtd_get_easing_func_for_mode (GtdEaseMode mode); + +const gchar* gtd_get_easing_name_for_mode (GtdEaseMode mode); + +gdouble gtd_easing_for_mode (GtdEaseMode mode, + gdouble t, + gdouble d); + +gdouble gtd_ease_linear (gdouble t, + gdouble d); + +gdouble gtd_ease_in_quad (gdouble t, + gdouble d); + +gdouble gtd_ease_out_quad (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_quad (gdouble t, + gdouble d); + +gdouble gtd_ease_in_cubic (gdouble t, + gdouble d); + +gdouble gtd_ease_out_cubic (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_cubic (gdouble t, + gdouble d); + +gdouble gtd_ease_in_quart (gdouble t, + gdouble d); + +gdouble gtd_ease_out_quart (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_quart (gdouble t, + gdouble d); + +gdouble gtd_ease_in_quint (gdouble t, + gdouble d); + +gdouble gtd_ease_out_quint (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_quint (gdouble t, + gdouble d); + +gdouble gtd_ease_in_sine (gdouble t, + gdouble d); + +gdouble gtd_ease_out_sine (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_sine (gdouble t, + gdouble d); + +gdouble gtd_ease_in_expo (gdouble t, + gdouble d); + +gdouble gtd_ease_out_expo (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_expo (gdouble t, + gdouble d); + +gdouble gtd_ease_in_circ (gdouble t, + gdouble d); + +gdouble gtd_ease_out_circ (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_circ (gdouble t, + gdouble d); + +gdouble gtd_ease_in_elastic (gdouble t, + gdouble d); + +gdouble gtd_ease_out_elastic (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_elastic (gdouble t, + gdouble d); + +gdouble gtd_ease_in_back (gdouble t, + gdouble d); + +gdouble gtd_ease_out_back (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_back (gdouble t, + gdouble d); + +gdouble gtd_ease_in_bounce (gdouble t, + gdouble d); + +gdouble gtd_ease_out_bounce (gdouble t, + gdouble d); + +gdouble gtd_ease_in_out_bounce (gdouble t, + gdouble d); + +G_END_DECLS |