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2007-12-17 Emmanuele Bassi <ebassi@openedhand.com>

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* clutter/clutter-actor.c:
	(clutter_actor_should_pick_paint),
	(clutter_actor_apply_transform_to_point): Fix the whitespace.

	(clutter_actor_set_rotation): Clarify that the coordinates of
	the centre of rotation are relative to the anchor point or,
	if not set, to the upper left corner of the bounding box.
This commit is contained in:
Emmanuele Bassi 2007-12-17 17:45:49 +00:00
parent 967710c836
commit 98c537365c
2 changed files with 29 additions and 19 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2007-12-17 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-actor.c:
(clutter_actor_should_pick_paint),
(clutter_actor_apply_transform_to_point): Fix the whitespace.
(clutter_actor_set_rotation): Clarify that the coordinates of
the centre of rotation are relative to the anchor point or,
if not set, to the upper left corner of the bounding box.
2007-12-17 Tomas Frydrych <tf@openedhand.com>
* clutter/clutter-behaviour-ellipse.c:

38
clutter/clutter-actor.c
View File

@ -453,7 +453,7 @@ clutter_actor_real_pick (ClutterActor *self,
* This function should not never be called directly by applications.
*
* Subclasses overiding this method should call
* #clutter_actor_should_pick_paint to decide if to render there
* clutter_actor_should_pick_paint() to decide if to render there
* silhouette but in any case should still recursively call pick for
* any children.
*
@ -477,7 +477,8 @@ clutter_actor_pick (ClutterActor *self,
*
* This function should not never be called directly by applications.
*
* Return value: TRUE if the actor should paint its silhouette, FALSE otherwise
* Return value: %TRUE if the actor should paint its silhouette,
* %FALSE otherwise
*/
gboolean
clutter_actor_should_pick_paint (ClutterActor *self)
@ -488,9 +489,9 @@ clutter_actor_should_pick_paint (ClutterActor *self)
context = clutter_context_get_default ();
if (CLUTTER_ACTOR_IS_MAPPED (self)
&& (G_UNLIKELY(context->pick_mode == CLUTTER_PICK_ALL)
|| CLUTTER_ACTOR_IS_REACTIVE (self)))
if (CLUTTER_ACTOR_IS_MAPPED (self) &&
(G_UNLIKELY (context->pick_mode == CLUTTER_PICK_ALL) ||
CLUTTER_ACTOR_IS_REACTIVE (self)))
return TRUE;
return FALSE;
@ -566,15 +567,9 @@ clutter_actor_transform_point (ClutterActor *actor,
/* Help macros to scale from OpenGL <-1,1> coordinates system to our
* X-window based <0,window-size> coordinates
*/
#define MTX_GL_SCALE_X(x,w,v1,v2) (CFX_MUL( \
((CFX_DIV (x,w) + CFX_ONE) >> 1), v1) \
+ v2)
#define MTX_GL_SCALE_Y(y,w,v1,v2) (v1 - CFX_MUL( \
((CFX_DIV (y,w) + CFX_ONE) >> 1), v1) \
+ v2)
#define MTX_GL_SCALE_Z(z,w,v1,v2) MTX_GL_SCALE_X(z,w,v1,v2)
#define MTX_GL_SCALE_X(x,w,v1,v2) (CFX_MUL (((CFX_DIV ((x), (w)) + CFX_ONE) >> 1), (v1)) + (v2))
#define MTX_GL_SCALE_Y(y,w,v1,v2) ((v1) - CFX_MUL (((CFX_DIV ((y), (w)) + CFX_ONE) >> 1), (v1)) + (v2))
#define MTX_GL_SCALE_Z(z,w,v1,v2) (MTX_GL_SCALE_X ((z), (w), (v1), (v2)))
/**
* clutter_actor_apply_transform_to_point:
@ -609,9 +604,9 @@ clutter_actor_apply_transform_to_point (ClutterActor *self,
mtx_transform (mtx_p, &point->x, &point->y, &point->z, &w);
/* Finaly translate from OpenGL coords to window coords */
vertex->x = MTX_GL_SCALE_X(point->x,w,v[2],v[0]);
vertex->y = MTX_GL_SCALE_Y(point->y,w,v[3],v[1]);
vertex->z = MTX_GL_SCALE_Z(point->z,w,v[2],v[0]);
vertex->x = MTX_GL_SCALE_X (point->x, w, v[2], v[0]);
vertex->y = MTX_GL_SCALE_Y (point->y, w, v[3], v[1]);
vertex->z = MTX_GL_SCALE_Z (point->z, w, v[2], v[0]);
}
/* Recursively tranform supplied vertices with the tranform for the current
@ -3231,13 +3226,17 @@ clutter_actor_set_rotationx (ClutterActor *self,
*
* Sets the rotation angle of @self around the given axis.
*
* The rotation center coordinates depend on the value of @axis:
* The rotation center coordinates used depend on the value of @axis:
* <itemizedlist>
* <listitem><para>%CLUTTER_X_AXIS requires @y and @z</para></listitem>
* <listitem><para>%CLUTTER_Y_AXIS requires @x and @z</para></listitem>
* <listitem><para>%CLUTTER_Z_AXIS requires @x and @y</para></listitem>
* </itemizedlist>
*
* The rotation coordinates are relative to the anchor point of the
* actor, set using clutter_actor_set_anchor_point(). If no anchor
* point is set, the upper left corner is assumed as the origin.
*
* Since: 0.6
*/
void
@ -3327,7 +3326,8 @@ clutter_actor_get_rotationx (ClutterActor *self,
* Retrieves the angle and center of rotation on the given axis,
* set using clutter_actor_set_angle().
*
* The coordinates of the center depend on the axis used.
* The coordinates of the center returned by this function depend on
* the axis passed.
*
* Return value: the angle of rotation.
*