1#define gray_width 20 2#define gray_height 20 3#define gray_x_hot -1 4#define gray_y_hot -1 5static char gray_bits[] = { 6 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 7 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 8 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 9 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 10 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a, 0x55, 0x55, 0x05, 0xaa, 0xaa, 0x0a}; 11