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/**
* qrencode - QR Code encoder
*
* QR Code encoding tool
* Copyright (C) 2006-2012 Kentaro Fukuchi <kentaro@fukuchi.org>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <png.h>
#include <getopt.h>
#include "qrencode.h"
#define INCHES_PER_METER (100.0/2.54)
static int casesensitive = 1;
static int eightbit = 0;
static int version = 0;
static int size = 3;
static int margin = -1;
static int dpi = 72;
static int structured = 0;
static int micro = 0;
static QRecLevel level = QR_ECLEVEL_L;
static QRencodeMode hint = QR_MODE_8;
enum imageType {
PNG_TYPE,
EPS_TYPE,
SVG_TYPE,
ANSI_TYPE,
ANSI256_TYPE,
ASCII_TYPE,
ASCIIi_TYPE
};
static enum imageType image_type = PNG_TYPE;
static const struct option options[] = {
{"help" , no_argument , NULL, 'h'},
{"output" , required_argument, NULL, 'o'},
{"level" , required_argument, NULL, 'l'},
{"size" , required_argument, NULL, 's'},
{"symversion" , required_argument, NULL, 'v'},
{"margin" , required_argument, NULL, 'm'},
{"dpi" , required_argument, NULL, 'd'},
{"type" , required_argument, NULL, 't'},
{"structured" , no_argument , NULL, 'S'},
{"kanji" , no_argument , NULL, 'k'},
{"casesensitive", no_argument , NULL, 'c'},
{"ignorecase" , no_argument , NULL, 'i'},
{"8bit" , no_argument , NULL, '8'},
{"micro" , no_argument , NULL, 'M'},
{"version" , no_argument , NULL, 'V'},
{NULL, 0, NULL, 0}
};
static char *optstring = "ho:l:s:v:m:d:t:Skci8MV";
static void usage(int help, int longopt)
{
fprintf(stderr,
"qrencode version %s\n"
"Copyright (C) 2006-2012 Kentaro Fukuchi\n", QRcode_APIVersionString());
if(help) {
if(longopt) {
fprintf(stderr,
"Usage: qrencode [OPTION]... [STRING]\n"
"Encode input data in a QR Code and save as a PNG or EPS image.\n\n"
" -h, --help display the help message. -h displays only the help of short\n"
" options.\n\n"
" -o FILENAME, --output=FILENAME\n"
" write image to FILENAME. If '-' is specified, the result\n"
" will be output to standard output. If -S is given, structured\n"
" symbols are written to FILENAME-01.png, FILENAME-02.png, ...\n"
" (suffix is removed from FILENAME, if specified)\n"
" -s NUMBER, --size=NUMBER\n"
" specify module size in dots (pixels). (default=3)\n\n"
" -l {LMQH}, --level={LMQH}\n"
" specify error correction level from L (lowest) to H (highest).\n"
" (default=L)\n\n"
" -v NUMBER, --symversion=NUMBER\n"
" specify the version of the symbol. (default=auto)\n\n"
" -m NUMBER, --margin=NUMBER\n"
" specify the width of the margins. (default=4 (2 for Micro)))\n\n"
" -d NUMBER, --dpi=NUMBER\n"
" specify the DPI of the generated PNG. (default=72)\n\n"
" -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII}, --type={PNG,EPS,SVG,ANSI,ANSI256,ASCII}\n"
" specify the type of the generated image. (default=PNG)\n\n"
" -S, --structured\n"
" make structured symbols. Version must be specified.\n\n"
" -k, --kanji assume that the input text contains kanji (shift-jis).\n\n"
" -c, --casesensitive\n"
" encode lower-case alphabet characters in 8-bit mode. (default)\n\n"
" -i, --ignorecase\n"
" ignore case distinctions and use only upper-case characters.\n\n"
" -8, --8bit encode entire data in 8-bit mode. -k, -c and -i will be ignored.\n\n"
" -M, --micro encode in a Micro QR Code. (experimental)\n\n"
" -V, --version\n"
" display the version number and copyrights of the qrencode.\n\n"
" [STRING] input data. If it is not specified, data will be taken from\n"
" standard input.\n"
);
} else {
fprintf(stderr,
"Usage: qrencode [OPTION]... [STRING]\n"
"Encode input data in a QR Code and save as a PNG or EPS image.\n\n"
" -h display this message.\n"
" --help display the usage of long options.\n"
" -o FILENAME write image to FILENAME. If '-' is specified, the result\n"
" will be output to standard output. If -S is given, structured\n"
" symbols are written to FILENAME-01.png, FILENAME-02.png, ...\n"
" (suffix is removed from FILENAME, if specified)\n"
" -s NUMBER specify module size in dots (pixels). (default=3)\n"
" -l {LMQH} specify error correction level from L (lowest) to H (highest).\n"
" (default=L)\n"
" -v NUMBER specify the version of the symbol. (default=auto)\n"
" -m NUMBER specify the width of the margins. (default=4 (2 for Micro))\n"
" -d NUMBER specify the DPI of the generated PNG. (default=72)\n"
" -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII}\n"
" specify the type of the generated image. (default=PNG)\n"
" -S make structured symbols. Version must be specified.\n"
" -k assume that the input text contains kanji (shift-jis).\n"
" -c encode lower-case alphabet characters in 8-bit mode. (default)\n"
" -i ignore case distinctions and use only upper-case characters.\n"
" -8 encode entire data in 8-bit mode. -k, -c and -i will be ignored.\n"
" -M encode in a Micro QR Code.\n"
" -V display the version number and copyrights of the qrencode.\n"
" [STRING] input data. If it is not specified, data will be taken from\n"
" standard input.\n"
);
}
}
}
#define MAX_DATA_SIZE (7090 * 16) /* from the specification */
static unsigned char *readStdin(int *length)
{
unsigned char *buffer;
int ret;
buffer = (unsigned char *)malloc(MAX_DATA_SIZE + 1);
if(buffer == NULL) {
fprintf(stderr, "Memory allocation failed.\n");
exit(EXIT_FAILURE);
}
ret = fread(buffer, 1, MAX_DATA_SIZE, stdin);
if(ret == 0) {
fprintf(stderr, "No input data.\n");
exit(EXIT_FAILURE);
}
if(feof(stdin) == 0) {
fprintf(stderr, "Input data is too large.\n");
exit(EXIT_FAILURE);
}
buffer[ret] = '\0';
*length = ret;
return buffer;
}
static FILE *openFile(const char *outfile)
{
FILE *fp;
if(outfile == NULL || (outfile[0] == '-' && outfile[1] == '\0')) {
fp = stdout;
} else {
fp = fopen(outfile, "wb");
if(fp == NULL) {
fprintf(stderr, "Failed to create file: %s\n", outfile);
perror(NULL);
exit(EXIT_FAILURE);
}
}
return fp;
}
static int writePNG(QRcode *qrcode, const char *outfile)
{
static FILE *fp; // avoid clobbering by setjmp.
png_structp png_ptr;
png_infop info_ptr;
unsigned char *row, *p, *q;
int x, y, xx, yy, bit;
int realwidth;
realwidth = (qrcode->width + margin * 2) * size;
row = (unsigned char *)malloc((realwidth + 7) / 8);
if(row == NULL) {
fprintf(stderr, "Failed to allocate memory.\n");
exit(EXIT_FAILURE);
}
if(outfile[0] == '-' && outfile[1] == '\0') {
fp = stdout;
} else {
fp = fopen(outfile, "wb");
if(fp == NULL) {
fprintf(stderr, "Failed to create file: %s\n", outfile);
perror(NULL);
exit(EXIT_FAILURE);
}
}
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if(png_ptr == NULL) {
fprintf(stderr, "Failed to initialize PNG writer.\n");
exit(EXIT_FAILURE);
}
info_ptr = png_create_info_struct(png_ptr);
if(info_ptr == NULL) {
fprintf(stderr, "Failed to initialize PNG write.\n");
exit(EXIT_FAILURE);
}
if(setjmp(png_jmpbuf(png_ptr))) {
png_destroy_write_struct(&png_ptr, &info_ptr);
fprintf(stderr, "Failed to write PNG image.\n");
exit(EXIT_FAILURE);
}
png_init_io(png_ptr, fp);
png_set_IHDR(png_ptr, info_ptr,
realwidth, realwidth,
1,
PNG_COLOR_TYPE_GRAY,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
png_set_pHYs(png_ptr, info_ptr,
dpi * INCHES_PER_METER,
dpi * INCHES_PER_METER,
PNG_RESOLUTION_METER);
png_write_info(png_ptr, info_ptr);
/* top margin */
memset(row, 0xff, (realwidth + 7) / 8);
for(y=0; y<margin * size; y++) {
png_write_row(png_ptr, row);
}
/* data */
p = qrcode->data;
for(y=0; y<qrcode->width; y++) {
bit = 7;
memset(row, 0xff, (realwidth + 7) / 8);
q = row;
q += margin * size / 8;
bit = 7 - (margin * size % 8);
for(x=0; x<qrcode->width; x++) {
for(xx=0; xx<size; xx++) {
*q ^= (*p & 1) << bit;
bit--;
if(bit < 0) {
q++;
bit = 7;
}
}
p++;
}
for(yy=0; yy<size; yy++) {
png_write_row(png_ptr, row);
}
}
/* bottom margin */
memset(row, 0xff, (realwidth + 7) / 8);
for(y=0; y<margin * size; y++) {
png_write_row(png_ptr, row);
}
png_write_end(png_ptr, info_ptr);
png_destroy_write_struct(&png_ptr, &info_ptr);
fclose(fp);
free(row);
return 0;
}
static int writeEPS(QRcode *qrcode, const char *outfile)
{
FILE *fp;
unsigned char *row, *p;
int x, y, yy;
int realwidth;
fp = openFile(outfile);
realwidth = (qrcode->width + margin * 2) * size;
/* EPS file header */
fprintf(fp, "%%!PS-Adobe-2.0 EPSF-1.2\n"
"%%%%BoundingBox: 0 0 %d %d\n"
"%%%%Pages: 1 1\n"
"%%%%EndComments\n", realwidth, realwidth);
/* draw point */
fprintf(fp, "/p { "
"moveto "
"0 1 rlineto "
"1 0 rlineto "
"0 -1 rlineto "
"fill "
"} bind def "
"%d %d scale ", size, size);
/* data */
p = qrcode->data;
for(y=0; y<qrcode->width; y++) {
row = (p+(y*qrcode->width));
yy = (margin + qrcode->width - y - 1);
for(x=0; x<qrcode->width; x++) {
if(*(row+x)&0x1) {
fprintf(fp, "%d %d p ", margin + x, yy);
}
}
}
fprintf(fp, "\n%%%%EOF\n");
fclose(fp);
return 0;
}
static int writeSVG(QRcode *qrcode, const char *outfile)
{
FILE *fp;
unsigned char *row, *p;
int x, y, yy, xx;
int realwidth;
fp = openFile(outfile);
realwidth = (qrcode->width + margin * 2) * size;
/* SVG file header */
fprintf(fp, "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"%d\" height=\"%d\">\n\t<g>\n",
realwidth, realwidth);
/* data */
p = qrcode->data;
for(y=0; y<qrcode->width; y++) {
row = (p+(y*qrcode->width));
yy = (y + margin) * size;
for(x=0; x<qrcode->width; x++) {
if(*(row+x)&0x1) {
xx = (x + margin) * size;
fprintf(fp, "\t\t<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" style=\"fill:black\"/>\n", xx, yy, size, size);
}
}
}
fprintf(fp, "\t</g>\n</svg>");
fclose(fp);
return 0;
}
static void writeANSI_margin(FILE* fp, int realwidth,
char* buffer, int buffer_s,
char* white, int white_s )
{
int y;
strncpy(buffer, white, white_s);
memset(buffer + white_s, ' ', realwidth * 2);
strcpy(buffer + white_s + realwidth * 2, "\033[0m\n"); // reset to default colors
for(y=0; y<margin; y++ ){
fputs(buffer, fp);
}
}
static int writeANSI(QRcode *qrcode, const char *outfile)
{
FILE *fp;
unsigned char *row, *p;
int x, y;
int realwidth;
int last;
char *white, *black, *buffer;
int white_s, black_s, buffer_s;
if( image_type == ANSI256_TYPE ){
/* codes for 256 color compatible terminals */
white = "\033[48;5;231m";
white_s = 11;
black = "\033[48;5;16m";
black_s = 10;
} else {
white = "\033[47m";
white_s = 5;
black = "\033[40m";
black_s = 5;
}
size = 1;
fp = openFile(outfile);
realwidth = (qrcode->width + margin * 2) * size;
buffer_s = ( realwidth * white_s ) * 2;
buffer = (char *)malloc( buffer_s );
if(buffer == NULL) {
fprintf(stderr, "Failed to allocate memory.\n");
exit(EXIT_FAILURE);
}
/* top margin */
writeANSI_margin(fp, realwidth, buffer, buffer_s, white, white_s);
/* data */
p = qrcode->data;
for(y=0; y<qrcode->width; y++) {
row = (p+(y*qrcode->width));
bzero( buffer, buffer_s );
strncpy( buffer, white, white_s );
for(x=0; x<margin; x++ ){
strncat( buffer, " ", 2 );
}
last = 0;
for(x=0; x<qrcode->width; x++) {
if(*(row+x)&0x1) {
if( last != 1 ){
strncat( buffer, black, black_s );
last = 1;
}
} else {
if( last != 0 ){
strncat( buffer, white, white_s );
last = 0;
}
}
strncat( buffer, " ", 2 );
}
if( last != 0 ){
strncat( buffer, white, white_s );
}
for(x=0; x<margin; x++ ){
strncat( buffer, " ", 2 );
}
strncat( buffer, "\033[0m\n", 5 );
fputs( buffer, fp );
}
/* bottom margin */
writeANSI_margin(fp, realwidth, buffer, buffer_s, white, white_s);
fclose(fp);
free(buffer);
return 0;
}
static void writeASCII_margin(FILE* fp, int realwidth, char* buffer, int buffer_s, int invert)
{
int y, h;
h = margin;
memset(buffer, (invert?'#':' '), realwidth);
buffer[realwidth] = '\n';
buffer[realwidth + 1] = '\0';
for(y=0; y<h; y++ ){
fputs(buffer, fp);
}
}
static int writeASCII(QRcode *qrcode, const char *outfile, int invert)
{
FILE *fp;
unsigned char *row;
int x, y;
int realwidth;
char *buffer, *p;
int buffer_s;
char black = '#';
char white = ' ';
if(invert) {
black = ' ';
white = '#';
}
size = 1;
fp = openFile(outfile);
realwidth = (qrcode->width + margin * 2) * 2;
buffer_s = realwidth + 1;
buffer = (char *)malloc( buffer_s );
if(buffer == NULL) {
fprintf(stderr, "Failed to allocate memory.\n");
exit(EXIT_FAILURE);
}
/* top margin */
writeASCII_margin(fp, realwidth, buffer, buffer_s, invert);
/* data */
for(y=0; y<qrcode->width; y++) {
row = qrcode->data+(y*qrcode->width);
p = buffer;
memset(p, white, margin * 2);
p += margin * 2;
for(x=0; x<qrcode->width; x++) {
if(row[x]&0x1) {
*p++ = black;
*p++ = black;
} else {
*p++ = white;
*p++ = white;
}
}
memset(p, white, margin * 2);
p += margin * 2;
*p++ = '\n';
*p++ = '\0';
fputs( buffer, fp );
}
/* bottom margin */
writeASCII_margin(fp, realwidth, buffer, buffer_s, invert);
fclose(fp);
free(buffer);
return 0;
}
static QRcode *encode(const unsigned char *intext, int length)
{
QRcode *code;
if(micro) {
if(eightbit) {
code = QRcode_encodeDataMQR(length, intext, version, level);
} else {
code = QRcode_encodeStringMQR((char *)intext, version, level, hint, casesensitive);
}
} else {
if(eightbit) {
code = QRcode_encodeData(length, intext, version, level);
} else {
code = QRcode_encodeString((char *)intext, version, level, hint, casesensitive);
}
}
return code;
}
static void qrencode(const unsigned char *intext, int length, const char *outfile)
{
QRcode *qrcode;
qrcode = encode(intext, length);
if(qrcode == NULL) {
perror("Failed to encode the input data");
exit(EXIT_FAILURE);
}
switch(image_type) {
case PNG_TYPE:
writePNG(qrcode, outfile);
break;
case EPS_TYPE:
writeEPS(qrcode, outfile);
break;
case SVG_TYPE:
writeSVG(qrcode, outfile);
break;
case ANSI_TYPE:
case ANSI256_TYPE:
writeANSI(qrcode, outfile);
break;
case ASCIIi_TYPE:
writeASCII(qrcode, outfile, 1);
break;
case ASCII_TYPE:
writeASCII(qrcode, outfile, 0);
break;
default:
fprintf(stderr, "Unknown image type.\n");
exit(EXIT_FAILURE);
}
QRcode_free(qrcode);
}
static QRcode_List *encodeStructured(const unsigned char *intext, int length)
{
QRcode_List *list;
if(eightbit) {
list = QRcode_encodeDataStructured(length, intext, version, level);
} else {
list = QRcode_encodeStringStructured((char *)intext, version, level, hint, casesensitive);
}
return list;
}
static void qrencodeStructured(const unsigned char *intext, int length, const char *outfile)
{
QRcode_List *qrlist, *p;
char filename[FILENAME_MAX];
char *base, *q, *suffix = NULL;
const char *type_suffix;
int i = 1;
size_t suffix_size;
switch(image_type) {
case PNG_TYPE:
type_suffix = ".png";
break;
case EPS_TYPE:
type_suffix = ".eps";
break;
case SVG_TYPE:
type_suffix = ".svg";
break;
case ANSI_TYPE:
case ANSI256_TYPE:
case ASCII_TYPE:
type_suffix = ".txt";
break;
default:
fprintf(stderr, "Unknown image type.\n");
exit(EXIT_FAILURE);
}
if(outfile == NULL) {
fprintf(stderr, "An output filename must be specified to store the structured images.\n");
exit(EXIT_FAILURE);
}
base = strdup(outfile);
if(base == NULL) {
fprintf(stderr, "Failed to allocate memory.\n");
exit(EXIT_FAILURE);
}
suffix_size = strlen(type_suffix);
if(strlen(base) > suffix_size) {
q = base + strlen(base) - suffix_size;
if(strcasecmp(type_suffix, q) == 0) {
suffix = strdup(q);
*q = '\0';
}
}
qrlist = encodeStructured(intext, length);
if(qrlist == NULL) {
perror("Failed to encode the input data");
exit(EXIT_FAILURE);
}
for(p = qrlist; p != NULL; p = p->next) {
if(p->code == NULL) {
fprintf(stderr, "Failed to encode the input data.\n");
exit(EXIT_FAILURE);
}
if(suffix) {
snprintf(filename, FILENAME_MAX, "%s-%02d%s", base, i, suffix);
} else {
snprintf(filename, FILENAME_MAX, "%s-%02d", base, i);
}
switch(image_type) {
case PNG_TYPE:
writePNG(p->code, filename);
break;
case EPS_TYPE:
writeEPS(p->code, filename);
break;
case SVG_TYPE:
writeSVG(p->code, filename);
break;
case ANSI_TYPE:
case ANSI256_TYPE:
writeANSI(p->code, filename);
break;
case ASCIIi_TYPE:
writeASCII(p->code, filename, 1);
break;
case ASCII_TYPE:
writeASCII(p->code, filename, 0);
break;
default:
fprintf(stderr, "Unknown image type.\n");
exit(EXIT_FAILURE);
}
i++;
}
free(base);
if(suffix) {
free(suffix);
}
QRcode_List_free(qrlist);
}
int main(int argc, char **argv)
{
int opt, lindex = -1;
char *outfile = NULL;
unsigned char *intext = NULL;
int length = 0;
while((opt = getopt_long(argc, argv, optstring, options, &lindex)) != -1) {
switch(opt) {
case 'h':
if(lindex == 0) {
usage(1, 1);
} else {
usage(1, 0);
}
exit(EXIT_SUCCESS);
break;
case 'o':
outfile = optarg;
break;
case 's':
size = atoi(optarg);
if(size <= 0) {
fprintf(stderr, "Invalid size: %d\n", size);
exit(EXIT_FAILURE);
}
break;
case 'v':
version = atoi(optarg);
if(version < 0) {
fprintf(stderr, "Invalid version: %d\n", version);
exit(EXIT_FAILURE);
}
break;
case 'l':
switch(*optarg) {
case 'l':
case 'L':
level = QR_ECLEVEL_L;
break;
case 'm':
case 'M':
level = QR_ECLEVEL_M;
break;
case 'q':
case 'Q':
level = QR_ECLEVEL_Q;
break;
case 'h':
case 'H':
level = QR_ECLEVEL_H;
break;
default:
fprintf(stderr, "Invalid level: %s\n", optarg);
exit(EXIT_FAILURE);
break;
}
break;
case 'm':
margin = atoi(optarg);
if(margin < 0) {
fprintf(stderr, "Invalid margin: %d\n", margin);
exit(EXIT_FAILURE);
}
break;
case 'd':
dpi = atoi(optarg);
if( dpi < 0 ) {
fprintf(stderr, "Invalid DPI: %d\n", dpi);
exit(EXIT_FAILURE);
}
break;
case 't':
if(strcasecmp(optarg, "png") == 0) {
image_type = PNG_TYPE;
} else if(strcasecmp(optarg, "eps") == 0) {
image_type = EPS_TYPE;
} else if(strcasecmp(optarg, "svg") == 0) {
image_type = SVG_TYPE;
} else if(strcasecmp(optarg, "ansi") == 0) {
image_type = ANSI_TYPE;
} else if(strcasecmp(optarg, "ansi256") == 0) {
image_type = ANSI256_TYPE;
} else if(strcasecmp(optarg, "asciii") == 0) {
image_type = ASCIIi_TYPE;
} else if(strcasecmp(optarg, "ascii") == 0) {
image_type = ASCII_TYPE;
} else {
fprintf(stderr, "Invalid image type: %s\n", optarg);
exit(EXIT_FAILURE);
}
break;
case 'S':
structured = 1;
case 'k':
hint = QR_MODE_KANJI;
break;
case 'c':
casesensitive = 1;
break;
case 'i':
casesensitive = 0;
break;
case '8':
eightbit = 1;
break;
case 'M':
micro = 1;
break;
case 'V':
usage(0, 0);
exit(EXIT_SUCCESS);
break;
default:
fprintf(stderr, "Try `qrencode --help' for more information.\n");
exit(EXIT_FAILURE);
break;
}
}
if(argc == 1) {
usage(1, 0);
exit(EXIT_SUCCESS);
}
if(outfile == NULL && image_type == PNG_TYPE) {
fprintf(stderr, "No output filename is given.\n");
exit(EXIT_FAILURE);
}
if(optind < argc) {
intext = (unsigned char *)argv[optind];
length = strlen((char *)intext);
}
if(intext == NULL) {
intext = readStdin(&length);
}
if(micro && version > MQRSPEC_VERSION_MAX) {
fprintf(stderr, "Version should be less or equal to %d.\n", MQRSPEC_VERSION_MAX);
exit(EXIT_FAILURE);
} else if(!micro && version > QRSPEC_VERSION_MAX) {
fprintf(stderr, "Version should be less or equal to %d.\n", QRSPEC_VERSION_MAX);
exit(EXIT_FAILURE);
}
if(margin < 0) {
if(micro) {
margin = 2;
} else {
margin = 4;
}
}
if(micro) {
if(version == 0) {
fprintf(stderr, "Version must be specified to encode a Micro QR Code symbol.\n");
exit(EXIT_FAILURE);
}
if(structured) {
fprintf(stderr, "Micro QR Code does not support structured symbols.\n");
exit(EXIT_FAILURE);
}
}
if(structured) {
if(version == 0) {
fprintf(stderr, "Version must be specified to encode structured symbols.\n");
exit(EXIT_FAILURE);
}
qrencodeStructured(intext, length, outfile);
} else {
qrencode(intext, length, outfile);
}
return 0;
}
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