static void
on_texture_draw (ClutterCairoTexture *texture,
cairo_t *cairo,
gpointer user_data)
{
guint width, height;
ClutterColor *color;
SkeltrackJoint *head, *left_hand, *right_hand,
*left_shoulder, *right_shoulder, *left_elbow, *right_elbow;
if (list == NULL)
return;
head = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_HEAD);
left_hand = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_LEFT_HAND);
right_hand = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_RIGHT_HAND);
left_shoulder = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_LEFT_SHOULDER);
right_shoulder = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_RIGHT_SHOULDER);
left_elbow = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_LEFT_ELBOW);
right_elbow = skeltrack_joint_list_get_joint (list,
SKELTRACK_JOINT_ID_RIGHT_ELBOW);
/* Paint it white */
clutter_cairo_texture_clear (texture);
clutter_cairo_texture_get_surface_size (texture, &width, &height);
color = clutter_color_new (255, 255, 255, 255);
clutter_cairo_set_source_color (cairo, color);
cairo_rectangle (cairo, 0, 0, width, height);
cairo_fill (cairo);
clutter_color_free (color);
paint_joint (cairo, head, 50, "#FFF800");
connect_joints (cairo, left_shoulder, right_shoulder, "#afafaf");
connect_joints (cairo, left_shoulder, left_elbow, "#afafaf");
connect_joints (cairo, right_shoulder, right_elbow, "#afafaf");
connect_joints (cairo, right_hand, right_elbow, "#afafaf");
connect_joints (cairo, left_hand, left_elbow, "#afafaf");
paint_joint (cairo, left_hand, 30, "#C2FF00");
paint_joint (cairo, right_hand, 30, "#00FAFF");
skeltrack_joint_list_free (list);
list = NULL;
}
static void
glide_theme_preview_actor_update_texture (GlideThemePreviewActor *preview)
{
guint width, height;
cairo_t *cr;
clutter_cairo_texture_get_surface_size (CLUTTER_CAIRO_TEXTURE (preview->priv->preview_texture), &width, &height);
cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (preview->priv->preview_texture));
glide_theme_preview (preview->priv->theme, cr, width, height);
cairo_destroy (cr);
}
static void
empathy_rounded_rectangle_paint (EmpathyRoundedRectangle *self)
{
guint width, height;
guint tmp_alpha;
cairo_t *cr;
#define RADIUS (height / 8.)
clutter_cairo_texture_get_surface_size (CLUTTER_CAIRO_TEXTURE (self),
&width, &height);
/* compute the composited opacity of the actor taking into
* account the opacity of the color set by the user */
tmp_alpha = clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self))
* self->priv->border_color.alpha
/ 255;
cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (self));
cairo_set_source_rgba (cr,
self->priv->border_color.red,
self->priv->border_color.green,
self->priv->border_color.blue,
tmp_alpha);
cairo_set_line_width (cr, self->priv->border_width);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_new_sub_path (cr);
cairo_arc (cr, width - RADIUS, RADIUS, RADIUS,
-M_PI/2.0, 0);
cairo_arc (cr, width - RADIUS, height - RADIUS, RADIUS,
0, M_PI/2.0);
cairo_arc (cr, RADIUS, height - RADIUS, RADIUS,
M_PI/2.0, M_PI);
cairo_arc (cr, RADIUS, RADIUS, RADIUS,
M_PI, -M_PI/2.0);
cairo_close_path (cr);
cairo_stroke (cr);
cairo_destroy (cr);
#undef RADIUS
}
void
shell_global_clutter_cairo_texture_draw_clock (ClutterCairoTexture *texture,
int hour,
int minute)
{
cairo_t *cr;
guint width, height;
double xc, yc, radius, hour_radius, minute_radius;
double angle;
clutter_cairo_texture_get_surface_size (texture, &width, &height);
xc = (double)width / 2;
yc = (double)height / 2;
radius = (double)(MIN(width, height)) / 2 - 2;
minute_radius = radius - 3;
hour_radius = radius / 2;
clutter_cairo_texture_clear (texture);
cr = clutter_cairo_texture_create (texture);
cairo_set_line_width (cr, 1.0);
/* Outline */
cairo_arc (cr, xc, yc, radius, 0.0, 2.0 * M_PI);
cairo_stroke (cr);
/* Hour hand. (We add a fraction to @hour for the minutes, then
* convert to radians, and then subtract pi/2 because cairo's origin
* is at 3:00, not 12:00.)
*/
angle = ((hour + minute / 60.0) / 12.0) * 2.0 * M_PI - M_PI / 2.0;
cairo_move_to (cr, xc, yc);
cairo_line_to (cr,
xc + hour_radius * cos (angle),
yc + hour_radius * sin (angle));
cairo_stroke (cr);
/* Minute hand */
angle = (minute / 60.0) * 2.0 * M_PI - M_PI / 2.0;
cairo_move_to (cr, xc, yc);
cairo_line_to (cr,
xc + minute_radius * cos (angle),
yc + minute_radius * sin (angle));
cairo_stroke (cr);
cairo_destroy (cr);
}
