mutter/clutter/clutter/clutter-graphene.c

112 lines
3.3 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* Copyright (C) 2019 Endless, Inc
* Copyright (C) 2009, 2010 Intel Corp
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "clutter-build-config.h"
#include "clutter-graphene.h"
#include "clutter-private.h"
#include "clutter-types.h"
static gboolean
graphene_point_progress (const GValue *a,
const GValue *b,
double progress,
GValue *retval)
{
const graphene_point_t *ap = g_value_get_boxed (a);
const graphene_point_t *bp = g_value_get_boxed (b);
graphene_point_t res;
graphene_point_interpolate (ap, bp, progress, &res);
g_value_set_boxed (retval, &res);
return TRUE;
}
static gboolean
graphene_point3d_progress (const GValue *a,
const GValue *b,
double progress,
GValue *retval)
{
const graphene_point3d_t *av = g_value_get_boxed (a);
const graphene_point3d_t *bv = g_value_get_boxed (b);
graphene_point3d_t res;
graphene_point3d_interpolate (av, bv, progress, &res);
g_value_set_boxed (retval, &res);
return TRUE;
}
static gboolean
graphene_rect_progress (const GValue *a,
const GValue *b,
double progress,
GValue *retval)
{
const graphene_rect_t *rect_a = g_value_get_boxed (a);
const graphene_rect_t *rect_b = g_value_get_boxed (b);
graphene_rect_t res;
graphene_rect_interpolate (rect_a, rect_b, progress, &res);
g_value_set_boxed (retval, &res);
return TRUE;
}
static gboolean
graphene_size_progress (const GValue *a,
const GValue *b,
double progress,
GValue *retval)
{
const graphene_size_t *as = g_value_get_boxed (a);
const graphene_size_t *bs = g_value_get_boxed (b);
graphene_size_t res;
graphene_size_interpolate (as, bs, progress, &res);
g_value_set_boxed (retval, &res);
return TRUE;
}
void
clutter_graphene_init (void)
{
clutter_interval_register_progress_func (GRAPHENE_TYPE_POINT,
graphene_point_progress);
clutter_interval_register_progress_func (GRAPHENE_TYPE_POINT3D,
graphene_point3d_progress);
clutter_interval_register_progress_func (GRAPHENE_TYPE_RECT,
graphene_rect_progress);
clutter_interval_register_progress_func (GRAPHENE_TYPE_SIZE,
graphene_size_progress);
}