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replacement of floating point ops with fixed point

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This commit is contained in:
Tomas Frydrych
2007-01-16 10:39:18 +00:00
parent 884cc0f5cf
commit 3b7a8c0c5c
6 changed files with 134 additions and 92 deletions
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12
clutter/clutter-behaviour-path.c
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@ -180,11 +180,10 @@ static inline void
interpolate (const ClutterKnot *begin,
const ClutterKnot *end,
ClutterKnot *out,
double t)
ClutterFixed t)
{
/* FIXME: fixed point */
out->x = begin->x + t * (end->x - begin->x);
out->y = begin->y + t * (end->y - begin->y);
out->x = begin->x + CLUTTER_FIXED_INT (t * (end->x - begin->x));
out->y = begin->y + CLUTTER_FIXED_INT (t * (end->y - begin->y));
}
static gint
@ -272,10 +271,9 @@ path_alpha_to_position (ClutterBehaviourPath *behave,
if (offset >= dist && offset < (dist + dist_to_next))
{
ClutterKnot new;
double t;
ClutterFixed t;
/* FIXME: Use fixed */
t = (double) (offset - dist) / dist_to_next;
t = CLUTTER_INT_TO_FIXED (offset - dist) / dist_to_next;
interpolate (knot, next, &new, t);