mirror of
https://git.code.sf.net/p/zint/code
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138 lines
6.1 KiB
C
138 lines
6.1 KiB
C
/* common.h - Header for all common functions in common.c */
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/*
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libzint - the open source barcode library
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Copyright (C) 2009 - 2020 Robin Stuart <rstuart114@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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/* vim: set ts=4 sw=4 et : */
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/* Used in some logic */
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#ifndef __COMMON_H
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#define __COMMON_H
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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/* The most commonly used set */
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#define NEON "0123456789"
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#include "zint.h"
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#include "zintconfig.h"
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#include <stdlib.h>
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#include <string.h>
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/* Helpers to cast away char pointer signedness */
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#define ustrlen(source) strlen((const char *) (source))
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#define ustrcpy(target, source) strcpy((char *) (target), (const char *) (source))
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#define ustrcat(target, source) strcat((char *) (target), (const char *) (source))
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#if defined(__GNUC__) && !defined(_WIN32) && !defined(ZINT_TEST)
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#define INTERNAL __attribute__ ((visibility ("hidden")))
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#else
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#define INTERNAL
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#endif
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#if defined(ZINT_TEST)
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#define STATIC_UNLESS_ZINT_TEST
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#else
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#define STATIC_UNLESS_ZINT_TEST static
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#endif
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#define COMMON_INLINE 1
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#ifdef COMMON_INLINE
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/* Return true (1) if a module is dark/black, otherwise false (0) */
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#define module_is_set(s, y, x) (((s)->encoded_data[(y)][(x) >> 3] >> ((x) & 0x07)) & 1)
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/* Set a module to dark/black */
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#define set_module(s, y, x) do { (s)->encoded_data[(y)][(x) >> 3] |= 1 << ((x) & 0x07); } while (0)
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/* Return true (1-8) if a module is colour, otherwise false (0) */
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#define module_colour_is_set(s, y, x) ((s)->encoded_data[(y)][(x)])
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/* Set a module to a colour */
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#define set_module_colour(s, y, x, c) do { (s)->encoded_data[(y)][(x)] = (c); } while (0)
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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INTERNAL int ctoi(const char source);
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INTERNAL char itoc(const int source);
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INTERNAL void to_upper(unsigned char source[]);
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INTERNAL int is_sane(const char test_string[], const unsigned char source[], const size_t length);
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INTERNAL void lookup(const char set_string[], const char *table[], const char data, char dest[]);
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INTERNAL void bin_append(const int arg, const int length, char *binary);
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INTERNAL int bin_append_posn(const int arg, const int length, char *binary, int posn);
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INTERNAL int posn(const char set_string[], const char data);
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#ifndef COMMON_INLINE
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INTERNAL int module_is_set(const struct zint_symbol *symbol, const int y_coord, const int x_coord);
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INTERNAL void set_module(struct zint_symbol *symbol, const int y_coord, const int x_coord);
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INTERNAL int module_colour_is_set(const struct zint_symbol *symbol, const int y_coord, const int x_coord);
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INTERNAL void set_module_colour(struct zint_symbol *symbol, const int y_coord, const int x_coord, const int colour);
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#endif
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INTERNAL void unset_module(struct zint_symbol *symbol, const int y_coord, const int x_coord);
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INTERNAL void expand(struct zint_symbol *symbol, const char data[]);
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INTERNAL int is_stackable(const int symbology);
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INTERNAL int is_extendable(const int symbology);
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INTERNAL int is_composite(const int symbology);
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INTERNAL int istwodigits(const unsigned char source[], const int length, const int position);
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INTERNAL unsigned int decode_utf8(unsigned int *state, unsigned int *codep, const unsigned char byte);
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INTERNAL int utf8_to_unicode(struct zint_symbol *symbol, const unsigned char source[], unsigned int vals[],
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size_t *length, int disallow_4byte);
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INTERNAL void set_minimum_height(struct zint_symbol *symbol, const int min_height);
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typedef unsigned int *(*pn_head_costs)(unsigned int state[]);
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typedef unsigned int (*pn_switch_cost)(unsigned int state[], const int k, const int j);
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typedef unsigned int (*pn_eod_cost)(unsigned int state[], const int k);
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typedef void (*pn_cur_cost)(unsigned int state[], const unsigned int data[], const size_t length, const int i,
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char *char_modes, unsigned int prev_costs[], unsigned int cur_costs[]);
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INTERNAL void pn_define_mode(char *mode, const unsigned int data[], const size_t length, const int debug,
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unsigned int state[], const char mode_types[], const int num_modes,
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pn_head_costs head_costs, pn_switch_cost switch_cost, pn_eod_cost eod_cost, pn_cur_cost cur_cost);
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INTERNAL int colour_to_red(int colour);
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INTERNAL int colour_to_green(int colour);
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INTERNAL int colour_to_blue(int colour);
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#ifdef ZINT_TEST
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void debug_test_codeword_dump(struct zint_symbol *symbol, unsigned char *codewords, int length);
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void debug_test_codeword_dump_int(struct zint_symbol *symbol, int *codewords, int length);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __COMMON_H */
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