用普通方法显示BMP位图，占内存大，速度慢，在图形缩小时，失真严重,在低颜色位数的设备上显示高颜色位数的图形图形时失真大。本



文采用视频函数显示BMP位图，可以消除以上的缺点。 -using ordinary methods bitmap display BMP, or memory, is slower, the graphics narrow, serious distortion in the low median colors displayed on the device's high median color graphics graphics distortion at large. This paper shows video function bitmap BMP, can eliminate the above shortcomings.