Attributes that can be changed using the change_attr function

obj_type attributes
image scale
sound not available
line line_width, lineJoin, miterLimit, angle, line_length, line_color
rect line_width, lineJoin, miterLimit, fill_color, line_color, width, height
cross line_width, lineJoin, miterLimit, line_color, line_length
circle line_width, lineJoin, miterLimit, fill_color, line_color, radius
text line_width, lineJoin, miterLimit, font, text_color, content, text_space