#define corner_width 16
#define corner_height 16
static char corner_bits[] = {
0xff, 0xff, 
0xff, 0x7f, 
0xff, 0x3f, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x07, 0x00, 
0x03, 0x00, 
0x01, 0x00, 

};