static void
circle_paint_cb (ClutterActor *actor)
{
const CoglColor fill_color = { 0xff, 0xff, 0xff, 0x80 };
gint i;
gdouble angle;
guint radius = clutter_actor_get_width (actor) / 2;
cogl_set_source_color (&fill_color);
angle = *((gdouble *)g_object_get_data (G_OBJECT (actor), "angle"));
for (i = 0; i < CIRCLE_S; i++, angle += (2.0 * G_PI) / (gdouble) CIRCLE_S)
{
gdouble angle2 = angle + ((2.0 * G_PI) / (gdouble)CIRCLE_S) / 2.0;
cogl_path_move_to (((radius - CIRCLE_W) * cos (angle)) + radius,
((radius - CIRCLE_W) * sin (angle)) + radius);
cogl_path_arc (radius, radius, radius, radius,
CLUTTER_ANGLE_FROM_RAD (angle),
CLUTTER_ANGLE_FROM_RAD (angle2));
cogl_path_line_to (((radius - CIRCLE_W) * cos (angle2)) + radius,
((radius - CIRCLE_W) * sin (angle2)) + radius);
cogl_path_arc (radius, radius, radius - CIRCLE_W, radius - CIRCLE_W,
CLUTTER_ANGLE_FROM_RAD (angle2),
CLUTTER_ANGLE_FROM_RAD (angle));
cogl_path_close ();
cogl_path_fill ();
}
}
void
cogl_set_source_color4ub (uint8_t red,
uint8_t green,
uint8_t blue,
uint8_t alpha)
{
CoglColor c = { 0, };
cogl_color_init_from_4ub (&c, red, green, blue, alpha);
cogl_set_source_color (&c);
}
void
cogl_set_source_color4f (float red,
float green,
float blue,
float alpha)
{
CoglColor c = { 0, };
cogl_color_init_from_4f (&c, red, green, blue, alpha);
cogl_set_source_color (&c);
}
void
cogl_set_source_color4ub (guint8 red,
guint8 green,
guint8 blue,
guint8 alpha)
{
CoglColor c = { 0, };
cogl_color_set_from_4ub (&c, red, green, blue, alpha);
cogl_set_source_color (&c);
}
