设计一个卡通图，程序能够完成如下功能：

(1)能够体现画笔和画刷的使用

(2)使用不同的映射模式来显示所设计的图形

(3)在MM_ISOTROPIC和MM_ANISOTROPIC两种映射模式下，通过调节换算因子使图形能够放大和缩小。

(4)具有水平和垂直滚动功能。

-Design a cartoon map, the program is able to complete the following functions: (1) to reflect the use of pen and brush (2) use a different mapping mode to display the graphic design (3) in two mapping modes MM_ISOTROPIC and MM_ANISOTROPIC, adjust the conversion factor graphs can zoom in and out. (4) has horizontal and vertical scroll functions.