static GimpBezierDesc *
gimp_vectors_real_make_bezier (const GimpVectors *vectors)
{
GimpStroke *stroke;
GArray *cmd_array;
GimpBezierDesc *ret_bezdesc = NULL;
cmd_array = g_array_new (FALSE, FALSE, sizeof (cairo_path_data_t));
for (stroke = gimp_vectors_stroke_get_next (vectors, NULL);
stroke;
stroke = gimp_vectors_stroke_get_next (vectors, stroke))
{
GimpBezierDesc *bezdesc = gimp_stroke_make_bezier (stroke);
if (bezdesc)
{
cmd_array = g_array_append_vals (cmd_array, bezdesc->data,
bezdesc->num_data);
gimp_bezier_desc_free (bezdesc);
}
}
if (cmd_array->len > 0)
ret_bezdesc = gimp_bezier_desc_new ((cairo_path_data_t *) cmd_array->data,
cmd_array->len);
g_array_free (cmd_array, FALSE);
return ret_bezdesc;
}
GimpBezierDesc *
gimp_bezier_desc_copy (const GimpBezierDesc *desc)
{
g_return_val_if_fail (desc != NULL, NULL);
return gimp_bezier_desc_new (g_memdup (desc->data,
desc->num_data * sizeof (cairo_path_data_t)),
desc->num_data);
}
GimpBezierDesc *
gimp_bezier_desc_new_from_bound_segs (BoundSeg *bound_segs,
gint n_bound_segs,
gint n_bound_groups)
{
GArray *path_data;
GimpVector2 *points;
gint n_points;
gint seg;
gint i;
g_return_val_if_fail (bound_segs != NULL, NULL);
g_return_val_if_fail (n_bound_segs > 0, NULL);
path_data = g_array_new (FALSE, FALSE, sizeof (cairo_path_data_t));
points = g_new0 (GimpVector2, n_bound_segs + 4);
seg = 0;
n_points = 0;
points[n_points].x = (gdouble) (bound_segs[0].x1);
points[n_points].y = (gdouble) (bound_segs[0].y1);
n_points++;
for (i = 0; i < n_bound_groups; i++)
{
while (bound_segs[seg].x1 != -1 ||
bound_segs[seg].x2 != -1 ||
bound_segs[seg].y1 != -1 ||
bound_segs[seg].y2 != -1)
{
points[n_points].x = (gdouble) (bound_segs[seg].x1);
points[n_points].y = (gdouble) (bound_segs[seg].y1);
n_points++;
seg++;
}
/* Close the stroke points up */
points[n_points] = points[0];
n_points++;
add_polyline (path_data, points, n_points, TRUE);
n_points = 0;
seg++;
points[n_points].x = (gdouble) (bound_segs[seg].x1);
points[n_points].y = (gdouble) (bound_segs[seg].y1);
n_points++;
}
g_free (points);
return gimp_bezier_desc_new ((cairo_path_data_t *) g_array_free (path_data, FALSE),
path_data->len);
}
