From 5d8e439bc597159e3c9f0a8b65c0ae869dead3a8 Mon Sep 17 00:00:00 2001 From: Matthew Fennell Date: Sat, 27 Dec 2025 12:40:20 +0000 Subject: Import Upstream version 43.0 --- src/animation/gtd-interval.h | 116 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 src/animation/gtd-interval.h (limited to 'src/animation/gtd-interval.h') diff --git a/src/animation/gtd-interval.h b/src/animation/gtd-interval.h new file mode 100644 index 0000000..efcfb03 --- /dev/null +++ b/src/animation/gtd-interval.h @@ -0,0 +1,116 @@ +/* gtd-interval.h + * + * Copyright 2020 Georges Basile Stavracas Neto + * + * 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 . + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +#include + +G_BEGIN_DECLS + +#define GTD_TYPE_INTERVAL (gtd_interval_get_type()) +G_DECLARE_DERIVABLE_TYPE (GtdInterval, gtd_interval, GTD, INTERVAL, GInitiallyUnowned) + +/** + * GtdIntervalClass: + * @validate: virtual function for validating an interval + * using a #GParamSpec + * @compute_value: virtual function for computing the value + * inside an interval using an adimensional factor between 0 and 1 + * + * The #GtdIntervalClass contains only private data. + * + * Since: 1.0 + */ +struct _GtdIntervalClass +{ + /*< private >*/ + GInitiallyUnownedClass parent_class; + + /*< public >*/ + gboolean (* validate) (GtdInterval *self, + GParamSpec *pspec); + gboolean (* compute_value) (GtdInterval *self, + gdouble factor, + GValue *value); + + /*< private >*/ + /* padding for future expansion */ + void (*_gtd_reserved1) (void); + void (*_gtd_reserved2) (void); + void (*_gtd_reserved3) (void); + void (*_gtd_reserved4) (void); + void (*_gtd_reserved5) (void); + void (*_gtd_reserved6) (void); +}; + +GtdInterval* gtd_interval_new (GType gtype, + ...); + +GtdInterval* gtd_interval_new_with_values (GType gtype, + const GValue *initial, + const GValue *final); + + +GtdInterval* gtd_interval_clone (GtdInterval *self); + +GType gtd_interval_get_value_type (GtdInterval *self); + +void gtd_interval_set_initial (GtdInterval *self, + ...); + +void gtd_interval_set_initial_value (GtdInterval *self, + const GValue *value); + +void gtd_interval_get_initial_value (GtdInterval *self, + GValue *value); + +GValue* gtd_interval_peek_initial_value (GtdInterval *self); + +void gtd_interval_set_final (GtdInterval *self, + ...); + +void gtd_interval_set_final_value (GtdInterval *self, + const GValue *value); + +void gtd_interval_get_final_value (GtdInterval *self, + GValue *value); + +GValue* gtd_interval_peek_final_value (GtdInterval *self); + +void gtd_interval_set_interval (GtdInterval *self, + ...); + +void gtd_interval_get_interval (GtdInterval *self, + ...); + +gboolean gtd_interval_validate (GtdInterval *self, + GParamSpec *pspec); + +gboolean gtd_interval_compute_value (GtdInterval *self, + gdouble factor, + GValue *value); + +const GValue* gtd_interval_compute (GtdInterval *self, + gdouble factor); + +gboolean gtd_interval_is_valid (GtdInterval *self); + + +G_END_DECLS -- cgit v1.2.3