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Fixed CCW rotation in rotate behaviour (bug 483); fixed overall path length calculation for angles > 360 in rotate and ellipse.

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This commit is contained in:
Tomas Frydrych
2007-08-22 10:33:26 +00:00
parent 86ff4e0cac
commit a40f50fffa
3 changed files with 32 additions and 20 deletions
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12
clutter/clutter-behaviour-rotate.c
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@ -145,13 +145,13 @@ clutter_behaviour_rotate_alpha_notify (ClutterBehaviour *behaviour,
/* Work out the angular length of the arch represented by the
* end angle in CCW direction
*/
if (priv->angle_end > CLUTTER_INT_TO_FIXED (360))
if (priv->angle_begin >= CLUTTER_INT_TO_FIXED (360))
{
ClutterFixed rounds, a1, a2;
rounds = priv->angle_begin / 360;
a1 = rounds * 360;
a2 = CLUTTER_INT_TO_FIXED (360) - (priv->angle_begin - a1);
a2 = - (priv->angle_begin - a1);
diff = a1 + a2 + priv->angle_end;
}
@ -171,20 +171,20 @@ clutter_behaviour_rotate_alpha_notify (ClutterBehaviour *behaviour,
{
angle = CLUTTER_FIXED_MUL (factor,
(priv->angle_begin - priv->angle_end));
angle += priv->angle_end;
angle = priv->angle_begin - angle;
}
else
{
/* Work out the angular length of the arch represented by the
* end angle in CCW direction
*/
if (priv->angle_end > CLUTTER_INT_TO_FIXED (360))
if (priv->angle_end >= CLUTTER_INT_TO_FIXED (360))
{
ClutterFixed rounds, a1, a2;
rounds = priv->angle_begin / 360;
rounds = priv->angle_end / 360;
a1 = rounds * 360;
a2 = CLUTTER_INT_TO_FIXED (360) - (priv->angle_end - a1);
a2 = - (priv->angle_end - a1);
diff = a1 + a2 + priv->angle_begin;
}