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/*
* (C) 2013-2014 by Christian Hesse <mail@eworm.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#ifndef _LIBCQRLOGO_H
#define _LIBCQRLOGO_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <stdbool.h>
#include <png.h>
#include <zlib.h>
#include <qrencode.h>
#include <iniparser.h>
/* a bitmap */
struct bitmap_t {
unsigned int width;
unsigned int height;
uint8_t *pixel;
};
/* finished PNG image */
struct png_t {
unsigned char * buffer;
size_t size;
};
/* config */
struct cqrconf_t {
uint8_t scale;
uint8_t border;
uint8_t level;
bool overwrite;
};
#define CQR_COMMENT 0x1
#define CQR_REFERER 0x2
#define CQR_VERSION 0x4
#define CQR_LIBVERSION 0x8
#define COMMENTSTR "QR-Code created by cqrlogo - https://github.com/eworm-de/cqrlogo"
#define VERSIONSTR VERSION " (" __DATE__ ", " __TIME__ ")"
#define LIBSSTR "libqrencode %s, libpng %s, zlib %s"
/*** png_write_stdout ***/
void png_write_fn(png_structp png_ptr, png_bytep data, png_size_t length);
#if defined PNG_TEXT_SUPPORTED
/*** add_png_text ***/
png_text * add_png_text(png_text *pngtext, unsigned int *textcount, char *key, char *text);
#endif
/*** generate_png ***/
struct png_t * generate_png (struct bitmap_t *bitmap, const uint8_t meta, const char *uri);
/*** bitmap_new ***/
struct bitmap_t * bitmap_new(int width, int height);
/*** bitmap_free ***/
void bitmap_free(struct bitmap_t * bitmap);
/*** encode_qrcode ***/
struct bitmap_t * encode_qrcode (const char *text, const struct cqrconf_t);
/*** get_query_value ***/
unsigned int get_query_value(const char *query_string, const char *pattern,
unsigned int value, unsigned int min, unsigned int max);
/*** get_ini_value ***/
unsigned int get_ini_value(dictionary * ini, uint8_t type, const char * section, const char * parameter,
unsigned int value, unsigned int min, unsigned int max);
/*** cqrconf_file ***/
void cqrconf_file(const char * server_name, struct cqrconf_t * cqrconf);
/*** cqrconf_string ***/
void cqrconf_string(const char * query_string, struct cqrconf_t * cqrconf);
#endif /* _LIBCQRLOGO_H */
// vim: set syntax=c:
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