clear -> clearView
To allow subclasses of GraphicsContext to redefine #clear
with more clearing (i.e. a TextCollector, to clear its contents)
#define b_moveLeft_width 16
#define b_moveLeft_height 16
static unsigned char b_moveLeft_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
0x00, 0x03, 0x80, 0x03, 0xc0, 0x03, 0x80, 0x03, 0x00, 0x03, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};