gtk2/gtk/gtkanimationdescription.c
Benjamin Otte dc43239a61 gtk: Add _gtk_animation_description_to_string()
Reverses _gtk_animation_description_from_string()
2011-05-18 21:58:43 +02:00

181 lines
4.9 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkanimationdescription.h"
#include "gtkintl.h"
struct GtkAnimationDescription
{
GtkTimelineProgressType progress_type;
gdouble duration;
guint loop : 1;
guint ref_count;
};
GtkAnimationDescription *
_gtk_animation_description_new (gdouble duration,
GtkTimelineProgressType progress_type,
gboolean loop)
{
GtkAnimationDescription *desc;
desc = g_slice_new (GtkAnimationDescription);
desc->duration = duration;
desc->progress_type = progress_type;
desc->loop = loop;
desc->ref_count = 1;
return desc;
}
gdouble
_gtk_animation_description_get_duration (GtkAnimationDescription *desc)
{
return desc->duration;
}
GtkTimelineProgressType
_gtk_animation_description_get_progress_type (GtkAnimationDescription *desc)
{
return desc->progress_type;
}
gboolean
_gtk_animation_description_get_loop (GtkAnimationDescription *desc)
{
return (desc->loop != 0);
}
GtkAnimationDescription *
_gtk_animation_description_ref (GtkAnimationDescription *desc)
{
desc->ref_count++;
return desc;
}
void
_gtk_animation_description_unref (GtkAnimationDescription *desc)
{
desc->ref_count--;
if (desc->ref_count == 0)
g_slice_free (GtkAnimationDescription, desc);
}
GtkAnimationDescription *
_gtk_animation_description_from_string (const gchar *str)
{
gchar timing_function[16] = { 0, };
gchar duration_unit[3] = { 0, };
gchar loop_str[5] = { 0, };
GtkTimelineProgressType progress_type;
guint duration = 0;
gboolean loop;
if (sscanf (str, "%d%2s %15s %5s", &duration, duration_unit, timing_function, loop_str) == 4)
loop = TRUE;
else if (sscanf (str, "%d%2s %15s", &duration, duration_unit, timing_function) == 3)
loop = FALSE;
else
return NULL;
if (strcmp (duration_unit, "s") == 0)
duration *= 1000;
else if (strcmp (duration_unit, "ms") != 0)
{
g_warning ("Unknown duration unit: %s\n", duration_unit);
return NULL;
}
if (strcmp (timing_function, "linear") == 0)
progress_type = GTK_TIMELINE_PROGRESS_LINEAR;
else if (strcmp (timing_function, "ease") == 0)
progress_type = GTK_TIMELINE_PROGRESS_EASE;
else if (strcmp (timing_function, "ease-in") == 0)
progress_type = GTK_TIMELINE_PROGRESS_EASE_IN;
else if (strcmp (timing_function, "ease-out") == 0)
progress_type = GTK_TIMELINE_PROGRESS_EASE_OUT;
else if (strcmp (timing_function, "ease-in-out") == 0)
progress_type = GTK_TIMELINE_PROGRESS_EASE_IN_OUT;
else
{
g_warning ("Unknown timing function: %s\n", timing_function);
return NULL;
}
return _gtk_animation_description_new ((gdouble) duration, progress_type, loop);
}
char *
_gtk_animation_description_to_string (GtkAnimationDescription *desc)
{
GString *str;
int duration;
g_return_val_if_fail (desc != NULL, NULL);
str = g_string_new ("");
duration = desc->duration;
if (duration % 1000 == 0)
g_string_append_printf (str, "%ds", (int) desc->duration / 1000);
else
g_string_append_printf (str, "%dms", (int) desc->duration);
switch (desc->progress_type)
{
case GTK_TIMELINE_PROGRESS_LINEAR:
g_string_append (str, " linear");
break;
case GTK_TIMELINE_PROGRESS_EASE:
g_string_append (str, " ease");
break;
case GTK_TIMELINE_PROGRESS_EASE_IN:
g_string_append (str, " ease-in");
break;
case GTK_TIMELINE_PROGRESS_EASE_OUT:
g_string_append (str, " ease-out");
break;
case GTK_TIMELINE_PROGRESS_EASE_IN_OUT:
g_string_append (str, " ease-in-out");
break;
default:
g_assert_not_reached ();
}
if (desc->loop)
g_string_append (str, " loop");
return g_string_free (str, FALSE);
}
GType
_gtk_animation_description_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (!type))
type = g_boxed_type_register_static (I_("GtkAnimationDescription"),
(GBoxedCopyFunc) _gtk_animation_description_ref,
(GBoxedFreeFunc) _gtk_animation_description_unref);
return type;
}