changed #updateSelectionFromModel:
fix selection problem if canvas is hidden (not shown).
#define b_alignCV_width 16
#define b_alignCV_height 16
static unsigned char b_alignCV_bits[] = {
0x00, 0x00, 0x60, 0x60, 0x60, 0x60, 0x61, 0x61, 0x63, 0x63, 0x67, 0x67,
0x6f, 0x6f, 0x7f, 0x7f, 0x6f, 0x6f, 0x67, 0x67, 0x63, 0x63, 0x61, 0x61,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x00, 0x00};