QRimageResultType QRimage_writeImage(
QRcode *qrcode,
const char *outfile,
QRimageType imagetype
)
{
if (!qrcode) {
return QR_IMG_QRCODE_IS_NULL;
}
switch(imagetype) {
case QR_IMG_PNG:
return writePNG(qrcode, outfile);
case QR_IMG_EPS:
return writeEPS(qrcode, outfile);
case QR_IMG_SVG:
return writeSVG(qrcode, outfile);
case QR_IMG_ANSI:
return writeANSI(qrcode, outfile, 0);
case QR_IMG_ANSI256:
return writeANSI(qrcode, outfile, 1);
case QR_IMG_ASCIIi:
return writeASCII(qrcode, outfile, 1);
case QR_IMG_ASCII:
return writeASCII(qrcode, outfile, 0);
case QR_IMG_UTF8:
return writeUTF8(qrcode, outfile, 0);
case QR_IMG_ANSIUTF8:
return writeUTF8(qrcode, outfile, 1);
default:
return QR_IMG_UNKNOW_IMAGE_TYPE;
}
return QR_IMG_SUCCESS;
}
int main(void) {
static const char *const nibbles[16] = {
"0000", "0001", "0010", "0011",
"0100", "0101", "0110", "0111",
"1000", "1001", "1010", "1011",
"1100", "1101", "1110", "1111"
};
unsigned long value;
char buffer[20], *end, *ch;
unsigned shift;
while (scanf("%lu", &value)==1) {
end = writeUTF8(buffer, value);
shift = 32;
do {
shift -= 4;
printf(" %s" + !(shift & 4), nibbles[(value >> shift) & 15]);
} while (shift);
putchar('\n');
for (ch = buffer; ch!=end; ++ch) {
printf(" %s %s", nibbles[(unsigned char)*ch >> 4],
nibbles[*ch & 15]);
}
putchar('\n');
}
return 0;
}
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);
}
if(verbose) {
fprintf(stderr, "File: %s, Version: %d\n", (outfile!=NULL)?outfile:"(stdout)", qrcode->version);
}
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;
case UTF8_TYPE:
writeUTF8(qrcode, outfile, 0);
break;
case ANSIUTF8_TYPE:
writeUTF8(qrcode, outfile, 1);
break;
default:
fprintf(stderr, "Unknown image type.\n");
exit(EXIT_FAILURE);
}
QRcode_free(qrcode);
}
static void addchar(gfxdevice_t*dev, int unicode)
{
internal_t*i = (internal_t*)dev->internal;
if(!i->current_page) {
text_startpage(dev, 0, 0);
}
if(i->current_page->textpos + 10 > i->current_page->textsize) {
i->current_page->textsize += 4096;
i->current_page->text = realloc(i->current_page->text, i->current_page->textsize);
}
writeUTF8(unicode, &i->current_page->text[i->current_page->textpos]);
i->current_page->textpos += strlen(&i->current_page->text[i->current_page->textpos]);
}
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:
case UTF8_TYPE:
case ANSIUTF8_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);
}
if(verbose) {
fprintf(stderr, "File: %s, Version: %d\n", filename, p->code->version);
}
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;
case UTF8_TYPE:
writeUTF8(p->code, filename, 0);
break;
case ANSIUTF8_TYPE:
writeUTF8(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);
}