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2007-07-24 Emmanuele Bassi <ebassi@openedhand.com>

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* clutter/clutter-behaviour-rotate.[ch]: Add a center property
	for the center or rotation; implement the set_bounds() methods.
This commit is contained in:
Emmanuele Bassi 2007-07-24 22:32:37 +00:00
parent 3db49c4f12
commit 403f0bdb2f
3 changed files with 117 additions and 19 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2007-07-24 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-behaviour-rotate.[ch]: Add a center property
for the center or rotation; implement the set_bounds() methods.
2007-07-24 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/eglx/clutter-backend-egl.c:

127
clutter/clutter-behaviour-rotate.c
View File

@ -59,6 +59,7 @@ struct _ClutterBehaviourRotatePrivate
ClutterRotateAxis axis;
ClutterRotateDirection direction;
ClutterKnot center;
};
#define CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE(obj) \
@ -73,7 +74,8 @@ enum
PROP_ANGLE_BEGIN,
PROP_ANGLE_END,
PROP_AXIS,
PROP_DIRECTION
PROP_DIRECTION,
PROP_CENTER
};
static void
@ -113,17 +115,17 @@ clutter_behaviour_rotate_alpha_notify (ClutterBehaviour *behaviour,
case CLUTTER_X_AXIS:
clutter_actor_rotate_x (actor,
CLUTTER_FIXED_TO_FLOAT (angle),
0, 0);
priv->center.x, priv->center.y);
break;
case CLUTTER_Y_AXIS:
clutter_actor_rotate_y (actor,
CLUTTER_FIXED_TO_FLOAT (angle),
0, 0);
priv->center.x, priv->center.y);
break;
case CLUTTER_Z_AXIS:
clutter_actor_rotate_z (actor,
CLUTTER_FIXED_TO_FLOAT (angle),
0, 0);
priv->center.x, priv->center.y);
break;
}
}
@ -136,9 +138,11 @@ clutter_behaviour_rotate_set_property (GObject *gobject,
const GValue *value,
GParamSpec *pspec)
{
ClutterBehaviourRotate *rotate;
ClutterBehaviourRotatePrivate *priv;
priv = CLUTTER_BEHAVIOUR_ROTATE (gobject)->priv;
rotate = CLUTTER_BEHAVIOUR_ROTATE (gobject);
priv = rotate->priv;
switch (prop_id)
{
@ -154,6 +158,13 @@ clutter_behaviour_rotate_set_property (GObject *gobject,
case PROP_DIRECTION:
priv->direction = g_value_get_enum (value);
break;
case PROP_CENTER:
{
ClutterKnot *knot = g_value_get_boxed (value);
if (knot)
clutter_behaviour_rotate_set_center (rotate, knot);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
@ -184,6 +195,9 @@ clutter_behaviour_rotate_get_property (GObject *gobject,
case PROP_DIRECTION:
g_value_set_enum (value, priv->direction);
break;
case PROP_CENTER:
g_value_set_boxed (value, &priv->center);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
@ -259,6 +273,21 @@ clutter_behaviour_rotate_class_init (ClutterBehaviourRotateClass *klass)
CLUTTER_TYPE_ROTATE_DIRECTION,
CLUTTER_ROTATE_CW,
CLUTTER_PARAM_READWRITE));
/**
* ClutterBehaviourRotate:center:
*
* The center of rotation. The coordinates are relative to the plane normal
* to the axis of rotation.
*
* Since: 0.4
*/
g_object_class_install_property (gobject_class,
PROP_CENTER,
g_param_spec_boxed ("center",
"Center",
"Center of rotation",
CLUTTER_TYPE_KNOT,
CLUTTER_PARAM_READWRITE));
g_type_class_add_private (klass, sizeof (ClutterBehaviourRotatePrivate));
}
@ -271,9 +300,10 @@ clutter_behaviour_rotate_init (ClutterBehaviourRotate *rotate)
rotate->priv = priv = CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE (rotate);
priv->angle_begin = CLUTTER_FLOAT_TO_FIXED (0.0);
priv->angle_end = CLUTTER_FLOAT_TO_FIXED (359.0);
priv->angle_end = CLUTTER_FLOAT_TO_FIXED (360.0);
priv->axis = CLUTTER_Z_AXIS;
priv->direction = CLUTTER_ROTATE_CW;
priv->center.x = priv->center.y = 0;
}
/**
@ -472,19 +502,11 @@ clutter_behaviour_rotate_set_bounds (ClutterBehaviourRotate *rotate,
gdouble angle_begin,
gdouble angle_end)
{
#if 0
ClutterBehaviourRotatePrivate *priv;
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
priv = rotate->priv;
g_object_ref (rotate);
g_object_freeze_notify (G_OBJECT (rotate));
g_object_thaw_notify (G_OBJECT (rotate));
g_object_unref (rotate);
#endif
clutter_behaviour_rotate_set_boundsx (rotate,
CLUTTER_FLOAT_TO_FIXED (angle_begin),
CLUTTER_FLOAT_TO_FIXED (angle_end));
}
/**
@ -521,7 +543,6 @@ clutter_behaviour_rotate_set_boundsx (ClutterBehaviourRotate *rotate,
ClutterFixed angle_begin,
ClutterFixed angle_end)
{
#if 0
ClutterBehaviourRotatePrivate *priv;
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
@ -531,7 +552,75 @@ clutter_behaviour_rotate_set_boundsx (ClutterBehaviourRotate *rotate,
g_object_ref (rotate);
g_object_freeze_notify (G_OBJECT (rotate));
if (priv->angle_begin != angle_begin)
{
priv->angle_begin = angle_begin;
g_object_notify (G_OBJECT (rotate), "angle-begin");
}
if (priv->angle_end != angle_end)
{
priv->angle_end = angle_end;
g_object_notify (G_OBJECT (rotate), "angle-end");
}
g_object_thaw_notify (G_OBJECT (rotate));
g_object_unref (rotate);
#endif
}
/**
* clutter_behaviour_rotate_set_center:
* @rotate: a #ClutterBehaviourRotate
* @center: a #ClutterKnot
*
* Sets the center of rotation. The coordinates are relative to the plane
* normal to the rotation axis set with clutter_behaviour_rotate_set_axis().
*
* Since: 0.4
*/
void
clutter_behaviour_rotate_set_center (ClutterBehaviourRotate *rotate,
const ClutterKnot *center)
{
ClutterBehaviourRotatePrivate *priv;
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
g_return_if_fail (center != NULL);
priv = rotate->priv;
if (priv->center.x != center->x || priv->center.y != center->y)
{
priv->center.x = center->x;
priv->center.y = center->y;
g_object_notify (G_OBJECT (rotate), "center");
}
}
/**
* clutter_behaviour_rotate_get_center:
* @rotate: a #ClutterBehaviourRotate
* @center: return location for the center of rotation
*
* Retrieves the center of rotation set using
* clutter_behaviour_rotate_set_center().
*
* Since: 0.4
*/
void
clutter_behaviour_rotate_get_center (ClutterBehaviourRotate *rotate,
ClutterKnot *center)
{
ClutterBehaviourRotatePrivate *priv;
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
g_return_if_fail (center != NULL);
priv = rotate->priv;
center->x = priv->center.x;
center->y = priv->center.y;
}

4
clutter/clutter-behaviour-rotate.h
View File

@ -79,6 +79,10 @@ ClutterBehaviour *clutter_behaviour_rotate_newx (ClutterAlpha *alpha,
ClutterFixed angle_begin,
ClutterFixed angle_end);
void clutter_behaviour_rotate_get_center (ClutterBehaviourRotate *rotate,
ClutterKnot *center);
void clutter_behaviour_rotate_set_center (ClutterBehaviourRotate *rotate,
const ClutterKnot *knot);
ClutterRotateAxis clutter_behaviour_rotate_get_axis (ClutterBehaviourRotate *rotate);
void clutter_behaviour_rotate_set_axis (ClutterBehaviourRotate *rotate,
ClutterRotateAxis axis);