图形填充 编写一段C 代码，实现先以不同的填充模式和颜色画矩形图、长方体、 扇形和椭圆扇形，然后再自定义一种填充模式和红色画它们。-Filling the preparation of graphics for some C code, the realization of the first filled with different patterns and colors painted rectangular map, rectangular, fan and fan-shaped