ClutterActor *
gb_player_rounded_rect (GbPlayer *self,
gint width,
gint height,
ClutterColor *bgcolor,
gint round_radius)
{
/* Mostly code of this function was got from Tweet, */
/* thanks to Emanuelle Bassi. (http://live.gnome.org/Tweet) */
ClutterActor *actor;
cairo_t *cr;
actor = clutter_cairo_new (width, height);
cr = clutter_cairo_create (CLUTTER_CAIRO (actor));
cairo_move_to (cr, round_radius, 0);
cairo_line_to (cr, width - round_radius, 0);
cairo_curve_to (cr, width, 0, width, 0, width, round_radius);
cairo_line_to (cr, width, height - round_radius);
cairo_curve_to (cr, width, height, width, height, width - round_radius, height);
cairo_line_to (cr, round_radius, height);
cairo_curve_to (cr, 0, height, 0, height, 0, height - round_radius);
cairo_line_to (cr, 0, round_radius);
cairo_curve_to (cr, 0, 0, 0, 0, round_radius, 0);
cairo_close_path (cr);
clutter_cairo_set_source_color (cr, bgcolor);
cairo_fill_preserve (cr);
cairo_destroy (cr);
return actor;
}
/* ClutterActor methods */
static void
tweet_overlay_request_coords (ClutterActor *actor,
ClutterActorBox *box)
{
TweetOverlayPrivate *priv = TWEET_OVERLAY (actor)->priv;
guint width, height;
CLUTTER_ACTOR_CLASS (tweet_overlay_parent_class)->request_coords (actor, box);
if (G_LIKELY (priv->base))
{
width = CLUTTER_UNITS_TO_DEVICE (box->x2 - box->x1);
height = CLUTTER_UNITS_TO_DEVICE (box->y2 - box->y1);
clutter_actor_set_size (priv->base, width, height);
clutter_cairo_surface_resize (CLUTTER_CAIRO (priv->base),
width, height);
draw_background (TWEET_OVERLAY (actor));
}
}
static inline void
draw_background (TweetOverlay *overlay)
{
TweetOverlayPrivate *priv = overlay->priv;
cairo_t *cr;
gint width, height;
g_assert (CLUTTER_IS_CAIRO (priv->base));
cr = clutter_cairo_create (CLUTTER_CAIRO (priv->base));
g_assert (cr != NULL);
width = height = 0;
g_object_get (G_OBJECT (priv->base),
"surface-width", &width,
"surface-height", &height,
NULL);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_move_to (cr, BG_ROUND_RADIUS, 0);
cairo_line_to (cr, width - BG_ROUND_RADIUS, 0);
cairo_curve_to (cr, width, 0, width, 0, width, BG_ROUND_RADIUS);
cairo_line_to (cr, width, height - BG_ROUND_RADIUS);
cairo_curve_to (cr, width, height, width, height, width - BG_ROUND_RADIUS, height);
cairo_line_to (cr, BG_ROUND_RADIUS, height);
cairo_curve_to (cr, 0, height, 0, height, 0, height - BG_ROUND_RADIUS);
cairo_line_to (cr, 0, BG_ROUND_RADIUS);
cairo_curve_to (cr, 0, 0, 0, 0, BG_ROUND_RADIUS, 0);
cairo_close_path (cr);
clutter_cairo_set_source_color (cr, &priv->base_color);
cairo_fill_preserve (cr);
cairo_destroy (cr);
}
