How to Define Shapes

A shape implementation must include

• rdman_shape_*_new()
  • clear memory for shape_t member.
  • assign *_free() to shape_t::free.
  • make new object been managed by a redraw manager.
    • call rdman_shape_man()
• *_free()
  • assigned to shape_t::free.
• *_transform()
• *_draw()
• first member variable of a shape type must be a shape_t.

Must modify

• event.c::draw_shape_path()
• redraw_man.c::clean_shape()
• redraw_man.c::draw_shape()