Files
sysprof/lib/util/pointcache.h
Christian Hergert 50ccd73592 visualizers: use double instead of float
To give us less changes of incorrect values when converting between scales
(at the cost of 2x the array size).
2018-06-16 20:22:53 -07:00

54 lines
1.8 KiB
C

/* pointcache.h
*
* Copyright (C) 2016 Christian Hergert <chergert@redhat.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/>.
*/
#ifndef POINT_CACHE_H
#define POINT_CACHE_H
#include <glib.h>
G_BEGIN_DECLS
typedef struct _PointCache PointCache;
typedef struct
{
gdouble x;
gdouble y;
} Point;
PointCache *point_cache_new (void);
PointCache *point_cache_ref (PointCache *self);
void point_cache_unref (PointCache *self);
void point_cache_add_set (PointCache *self,
guint set_id);
gboolean point_cache_contains_set (PointCache *self,
guint set_id);
void point_cache_add_point_to_set (PointCache *self,
guint set_id,
gdouble x,
gdouble y);
const Point *point_cache_get_points (PointCache *self,
guint set_id,
guint *n_points);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (PointCache, point_cache_unref)
G_END_DECLS
#endif /* POINT_CACHE_H */