bitmasks.c

来自「NIST Handwriting OCR Testbed」· C语言 代码 · 共 19 行

#include <values.h>
#include <sys/types.h>

u_char mask_begin_1[BITSPERBYTE] = {
	0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE
};

u_char mask_begin_0[BITSPERBYTE] = {
	0x00, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01
};

u_char mask_end_0[BITSPERBYTE] = {
	0x00, 0xFE, 0xFC, 0xF8, 0xF0, 0xE0, 0xC0, 0x80
};

u_char mask_end_1[BITSPERBYTE] = {
	0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F
};