diff options
| -rw-r--r-- | cqrlogo.c | 16 |
1 files changed, 11 insertions, 5 deletions
@@ -117,13 +117,13 @@ void bitmap_free(struct bitmap_t * bitmap) { } /*** encode_qrcode ***/ -struct bitmap_t * encode_qrcode (char *text, int scale, int border) { +struct bitmap_t * encode_qrcode (char *text, unsigned int scale, unsigned int border, unsigned int level) { QRcode *qrcode; struct bitmap_t *bitmap, *scaled; int i, j, k, l; unsigned char *data; - qrcode = QRcode_encodeData(strlen(text), (unsigned char *)text, 0, QRCODE_LEVEL); + qrcode = QRcode_encodeData(strlen(text), (unsigned char *)text, 0, level); if (qrcode == NULL) return NULL; @@ -168,7 +168,7 @@ int main(int argc, char **argv) { struct bitmap_t * bitmap; char *match = NULL; - unsigned int scale = QRCODE_SCALE, border = QRCODE_BORDER; + unsigned int scale = QRCODE_SCALE, border = QRCODE_BORDER, level = QRCODE_LEVEL; /* get query string for later use */ char * query_string = getenv("QUERY_STRING"); @@ -213,10 +213,16 @@ int main(int argc, char **argv) { if ((sscanf(match, "border=%u", &border)) > 0) if (border > QRCODE_MAX_BORDER) border = QRCODE_BORDER; + + /* error correction level? */ + if ((match = strstr(query_string, "level=")) != NULL) + if ((sscanf(match, "level=%u", &level)) > 0) + if (level > QR_ECLEVEL_H) + level = QRCODE_LEVEL; } - if ((bitmap = encode_qrcode(http_referer, scale, border)) == NULL) { - if ((bitmap = encode_qrcode(server_name, scale, border)) == NULL) { + if ((bitmap = encode_qrcode(http_referer, scale, border, level)) == NULL) { + if ((bitmap = encode_qrcode(server_name, scale, border, level)) == NULL) { fprintf(stderr, "Could not generate QR-Code.\n"); return EXIT_FAILURE; } |