71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* quirc -- QR-code recognition library
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* Copyright (C) 2010-2012 Daniel Beer <dlbeer@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include "demoutil.h"
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void print_data(const struct quirc_data *data, struct dthash *dt,
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int want_verbose)
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{
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if (dthash_seen(dt, data))
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return;
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printf("==> %s\n", data->payload);
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if (want_verbose)
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printf(" Version: %d, ECC: %c, Mask: %d, Type: %d\n\n",
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data->version, "MLHQ"[data->ecc_level],
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data->mask, data->data_type);
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}
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int parse_size(const char *text, int *video_width, int *video_height)
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{
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int state = 0;
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int w = 0, h = 0;
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int i;
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for (i = 0; text[i]; i++) {
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if (text[i] == 'x' || text[i] == 'X') {
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if (state == 0) {
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state = 1;
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} else {
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fprintf(stderr, "parse_size: expected WxH\n");
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return -1;
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}
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} else if (isdigit(text[i])) {
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if (state == 0)
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w = w * 10 + text[i] - '0';
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else
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h = h * 10 + text[i] - '0';
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} else {
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fprintf(stderr, "Invalid character in size: %c\n",
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text[i]);
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return -1;
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}
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}
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if (w <= 0 || w >= 10000 || h <= 0 || h >= 10000) {
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fprintf(stderr, "Invalid size: %dx%d\n", w, h);
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return -1;
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}
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*video_width = w;
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*video_height = h;
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return 0;
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}
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