static gboolean
param_fixed_validate (GParamSpec *pspec,
GValue *value)
{
ClutterParamSpecFixed *fspec = CLUTTER_PARAM_SPEC_FIXED (pspec);
gint oval = value->data[0].v_int;
gint min, max, val;
g_assert (CLUTTER_IS_PARAM_SPEC_FIXED (pspec));
/* we compare the integer part of the value because the minimum
* and maximum values cover just that part of the representation
*/
min = fspec->minimum;
max = fspec->maximum;
val = (value->data[0].v_int);
val = CLAMP (val, min, max);
if (val != oval)
{
value->data[0].v_int = val;
return TRUE;
}
return FALSE;
}
static void
param_fixed_init (GParamSpec *pspec)
{
ClutterParamSpecFixed *fspec = CLUTTER_PARAM_SPEC_FIXED (pspec);
fspec->minimum = COGL_FIXED_MIN;
fspec->maximum = COGL_FIXED_MAX;
fspec->default_value = 0;
}
static gboolean
clutter_interval_real_validate (ClutterInterval *interval,
GParamSpec *pspec)
{
GType pspec_gtype = G_PARAM_SPEC_VALUE_TYPE (pspec);
/* check the GTypes we provide first */
if (pspec_gtype == COGL_TYPE_FIXED)
{
ClutterParamSpecFixed *pspec_fixed = CLUTTER_PARAM_SPEC_FIXED (pspec);
CoglFixed a, b;
a = b = 0;
clutter_interval_get_interval (interval, &a, &b);
if ((a >= pspec_fixed->minimum && a <= pspec_fixed->maximum) &&
(b >= pspec_fixed->minimum && b <= pspec_fixed->maximum))
return TRUE;
else
return FALSE;
}
/* then check the fundamental types */
switch (G_TYPE_FUNDAMENTAL (pspec_gtype))
{
case G_TYPE_INT:
{
GParamSpecInt *pspec_int = G_PARAM_SPEC_INT (pspec);
gint a, b;
a = b = 0;
clutter_interval_get_interval (interval, &a, &b);
if ((a >= pspec_int->minimum && a <= pspec_int->maximum) &&
(b >= pspec_int->minimum && b <= pspec_int->maximum))
return TRUE;
else
return FALSE;
}
break;
case G_TYPE_UINT:
{
GParamSpecUInt *pspec_uint = G_PARAM_SPEC_UINT (pspec);
guint a, b;
a = b = 0;
clutter_interval_get_interval (interval, &a, &b);
if ((a >= pspec_uint->minimum && a <= pspec_uint->maximum) &&
(b >= pspec_uint->minimum && b <= pspec_uint->maximum))
return TRUE;
else
return FALSE;
}
break;
case G_TYPE_UCHAR:
{
GParamSpecUChar *pspec_uchar = G_PARAM_SPEC_UCHAR (pspec);
guchar a, b;
a = b = 0;
clutter_interval_get_interval (interval, &a, &b);
if ((a >= pspec_uchar->minimum && a <= pspec_uchar->maximum) &&
(b >= pspec_uchar->minimum && b <= pspec_uchar->maximum))
return TRUE;
else
return FALSE;
}
break;
case G_TYPE_BOOLEAN:
return TRUE;
default:
break;
}
return TRUE;
}
static void
param_fixed_set_default (GParamSpec *pspec,
GValue *value)
{
value->data[0].v_int = CLUTTER_PARAM_SPEC_FIXED (pspec)->default_value;
}
