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2007-12-07 Emmanuele Bassi <ebassi@openedhand.com>

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* clutter/clutter-actor.h:
	* clutter/clutter-actor.c:
	(clutter_actor_get_sizeu),
	(clutter_actor_get_positionu): Add unit-based accessors to
	the size and position.
This commit is contained in:
Emmanuele Bassi 2007-12-07 15:49:54 +00:00
parent a4234ab4cf
commit f476cfbd4c
3 changed files with 92 additions and 21 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2007-12-07 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-actor.h:
* clutter/clutter-actor.c:
(clutter_actor_get_sizeu),
(clutter_actor_get_positionu): Add unit-based accessors to
the size and position.
2007-12-07 Tomas Frydrych <tf@openedhand.com>
* clutter/clutter-behaviour-ellipse.c:

87
clutter/clutter-actor.c
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@ -2109,6 +2109,35 @@ clutter_actor_get_size (ClutterActor *self,
*height = CLUTTER_UNITS_TO_INT (box.y2 - box.y1);
}
/**
* clutter_actor_get_sizeu:
* @self: A #ClutterActor
* @width: Location to store width if non NULL.
* @height: Location to store height if non NULL.
*
* Gets the size of an actor in #ClutterUnit<!-- -->s ignoring any scaling
* factors.
*
* Since: 0.6
*/
void
clutter_actor_get_sizeu (ClutterActor *self,
ClutterUnit *width,
ClutterUnit *height)
{
ClutterActorBox box;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
clutter_actor_query_coords (self, &box);
if (width)
*width = box.x2 - box.x1;
if (height)
*height = box.y2 - box.y1;
}
/**
* clutter_actor_get_position:
* @self: a #ClutterActor
@ -2137,6 +2166,34 @@ clutter_actor_get_position (ClutterActor *self,
*y = CLUTTER_UNITS_TO_INT (box.y1);
}
/**
* clutter_actor_get_positionu:
* @self: a #ClutterActor
* @x: return location for the X coordinate, or %NULL
* @y: return location for the Y coordinate, or %NULL
*
* Retrieves the position of an actor in #ClutterUnit<!-- -->s.
*
* Since: 0.6
*/
void
clutter_actor_get_positionu (ClutterActor *self,
ClutterUnit *x,
ClutterUnit *y)
{
ClutterActorBox box = { 0, };
g_return_if_fail (CLUTTER_IS_ACTOR (self));
clutter_actor_query_coords (self, &box);
if (x)
*x = box.x1;
if (y)
*y = box.y1;
}
/*
* clutter_actor_get_abs_position_units
* @self: A #ClutterActor
@ -3949,27 +4006,27 @@ clutter_scriptable_iface_init (ClutterScriptableIface *iface)
/**
* clutter_actor_transform_stage_point
* @self: A #ClutterActor
* @x: x screen coordiance of point to unproject, in #ClutterUnit
* @y: y screen coordiance of point to unproject, in #ClutterUnit
* @x: x_out location where to store the unprojected x coordinance, in
* #ClutterUnit.
* @y: y_out location where to store the unprojected y coordinance, in
* #ClutterUnit.
* @x: x screen coordinate of the point to unproject, in #ClutterUnit<!-- -->s
* @y: y screen coordinate of the point to unproject, in #ClutterUnit<!-- -->s
* @x_out: return location for the unprojected x coordinance, in
* #ClutterUnit<!-- -->s
* @y_out: return location for the unprojected y coordinance, in
* #ClutterUnit<!-- -->s
*
* Return value: TRUE if conversion was successful.
*
* The function translates point with screen coordinates x,y to coordinates
* relative to the actor, i.e., it can be used, to translate screen events
* from global screen coordinates into local coordinates.
* The function translates point with screen coordinates (@x, @y) to
* coordinates relative to the actor, i.e. it can be used to translate
* screen events from global screen coordinates into local coordinates.
*
* The conversion can fail, notably if the transform stack results in the
* actor being projected on the screen as a mere line.
*
* The conversion should not be expected to be pixel-perfect due to the nature
* of the operation. In general the error grows when the skewing of the actor
* rectangle on screen increases.
* The conversion should not be expected to be pixel-perfect due to the
* nature of the operation. In general the error grows when the skewing
* of the actor rectangle on screen increases.
*
* WARNING: This function is fairly computationally intensive.
* Note: This function is fairly computationally intensive.
*
* Return value: %TRUE if conversion was successful.
*
* Since: 0.6
*/

18
clutter/clutter-actor.h
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@ -256,6 +256,15 @@ void clutter_actor_set_size (ClutterActor *sel
void clutter_actor_set_sizeu (ClutterActor *self,
ClutterUnit width,
ClutterUnit height);
void clutter_actor_get_size (ClutterActor *self,
guint *width,
guint *height);
void clutter_actor_get_sizeu (ClutterActor *self,
ClutterUnit *width,
ClutterUnit *height);
void clutter_actor_get_abs_size (ClutterActor *self,
guint *width,
guint *height);
void clutter_actor_set_position (ClutterActor *self,
gint x,
gint y);
@ -265,6 +274,9 @@ void clutter_actor_set_positionu (ClutterActor *sel
void clutter_actor_get_position (ClutterActor *self,
gint *x,
gint *y);
void clutter_actor_get_positionu (ClutterActor *self,
ClutterUnit *x,
ClutterUnit *y);
void clutter_actor_get_abs_position (ClutterActor *self,
gint *x,
gint *y);
@ -368,12 +380,6 @@ void clutter_actor_get_scale (ClutterActor *sel
gdouble *scale_x,
gdouble *scale_y);
void clutter_actor_get_abs_size (ClutterActor *self,
guint *width,
guint *height);
void clutter_actor_get_size (ClutterActor *self,
guint *width,
guint *height);
void clutter_actor_move_by (ClutterActor *self,
gint dx,
gint dy);