void Draw::drawAPicture(pos x, pos y, short int width, short int height,
char tp[], short int color)
{
char temp;
int x0 = x;
myGLCD.setColor(color);
int wid = width / 8;
//将二进制中为一的表示为该点位亮。
//将tp[]中的数据依次点亮屏幕。
for (int i = 0; i < height; i++){
for (int j = 0; j < width; j++){
if (j % 8 == 0)temp = tp[i*wid + j / 8];
if (temp & 0x80){
myGLCD.drawPixel(x0, y);
}
temp <<= 1;
x0++;
}
x0 = x;
y++;
}
}
