资源简介
C语言生成二维码驱动,使用方法见:http://blog.csdn.net/qq_21475601/article/details/71480028
代码片段和文件信息
/*
* qrencode - QR Code encoder
*
* Binary sequence class.
* Copyright (C) 2006-2011 Kentaro Fukuchi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License or any later version.
*
* This library is distributed in the hope that it will be useful
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not write to the Free Software
* Foundation Inc. 51 Franklin St Fifth Floor Boston MA 02110-1301 USA
*/
#if HAVE_CONFIG_H
# include “config.h“
#endif
#include
#include
#include
#include “bitstream.h“
BitStream *BitStream_new(void)
{
BitStream *bstream;
bstream = (BitStream *)malloc(sizeof(BitStream));
if(bstream == NULL) return NULL;
bstream->length = 0;
bstream->data = NULL;
return bstream;
}
static int BitStream_allocate(BitStream *bstream int length)
{
unsigned char *data;
if(bstream == NULL) {
return -1;
}
data = (unsigned char *)malloc(length);
if(data == NULL) {
return -1;
}
if(bstream->data) {
free(bstream->data);
}
bstream->length = length;
bstream->data = data;
return 0;
}
static BitStream *BitStream_newFromNum(int bits unsigned int num)
{
unsigned int mask;
int i;
unsigned char *p;
BitStream *bstream;
bstream = BitStream_new();
if(bstream == NULL) return NULL;
if(BitStream_allocate(bstream bits)) {
BitStream_free(bstream);
return NULL;
}
p = bstream->data;
mask = 1 << (bits - 1);
for(i=0; i if(num & mask) {
*p = 1;
} else {
*p = 0;
}
p++;
mask = mask >> 1;
}
return bstream;
}
static BitStream *BitStream_newFromBytes(int size unsigned char *data)
{
unsigned char mask;
int i j;
unsigned char *p;
BitStream *bstream;
bstream = BitStream_new();
if(bstream == NULL) return NULL;
if(BitStream_allocate(bstream size * 8)) {
BitStream_free(bstream);
return NULL;
}
p = bstream->data;
for(i=0; i mask = 0x80;
for(j=0; j<8; j++) {
if(data[i] & mask) {
*p = 1;
} else {
*p = 0;
}
p++;
mask = mask >> 1;
}
}
return bstream;
}
int BitStream_append(BitStream *bstream BitStream *arg)
{
unsigned char *data;
if(arg == NULL) {
return -1;
}
if(arg->length == 0) {
return 0;
}
if(bstream->length == 0) {
if(BitStream_allocate(bstream arg->length)) {
return -1;
}
memcpy(bstream->data arg->data arg->length);
return 0;
}
data = (unsigned char *)malloc(bstream->length + arg->length);
if(data == NULL) {
return -1;
}
memcpy(data bstream->data bstream->length);
memcpy(data + bstream->length arg->data arg->length);
f
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2017-12-11 18:05 QRCODE\
文件 2445 2017-12-12 09:59 QRCODE\1.readme.txt
文件 4310 2014-07-24 20:17 QRCODE\bitstream.c
文件 1432 2014-07-24 20:17 QRCODE\bitstream.h
文件 236 2017-12-11 16:28 QRCODE\data_type.h
文件 7274 2015-08-10 13:32 QRCODE\mask.c
文件 1560 2014-07-04 08:43 QRCODE\mask.h
文件 4276 2015-08-10 13:32 QRCODE\mmask.c
文件 1404 2014-07-04 08:43 QRCODE\mmask.h
文件 7476 2015-08-20 11:46 QRCODE\mqrspec.c
文件 4774 2014-07-04 08:43 QRCODE\mqrspec.h
文件 21241 2015-08-22 09:54 QRCODE\qrencode.c
文件 21602 2015-08-20 09:58 QRCODE\qrencode.h
文件 40683 2015-08-20 11:53 QRCODE\qrinput.c
文件 3811 2015-08-20 09:32 QRCODE\qrinput.h
文件 16277 2015-08-21 09:46 QRCODE\qrspec.c
文件 5832 2014-07-24 20:17 QRCODE\qrspec.h
文件 60262 2017-12-11 16:21 QRCODE\QR_Encode.c
文件 3783 2017-12-11 18:05 QRCODE\QR_Encode.h
文件 9508 2015-08-11 12:18 QRCODE\rscode.c
文件 1468 2014-07-24 20:17 QRCODE\rscode.h
文件 8539 2015-08-20 11:08 QRCODE\split.c
文件 1913 2014-07-24 20:17 QRCODE\split.h
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