mirror of
https://git.code.sf.net/p/zint/code
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0b3fe8db93
- make Sequence Format textbox bigger (on own line) - suppress question mark in Windows dialogs AUSPOST: more standard error messages backend: add & use z_isdigit/upper/lower() macros docs: 20-bit Unicode -> 21-bit Unicode
205 lines
8.8 KiB
C
205 lines
8.8 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) 2009-2022 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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/* SPDX-License-Identifier: BSD-3-Clause */
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#ifndef Z_COMMON_H
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#define Z_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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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) ((int) (sizeof(x) / sizeof((x)[0])))
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#endif
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/* `is_sane()` flags */
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#define IS_SPC_F 0x0001 /* Space */
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#define IS_HSH_F 0x0002 /* Hash sign # */
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#define IS_AST_F 0x0004 /* Asterisk sign * */
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#define IS_PLS_F 0x0008 /* Plus sign + */
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#define IS_MNS_F 0x0010 /* Minus sign - */
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#define IS_NUM_F 0x0020 /* Number 0-9 */
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#define IS_UPO_F 0x0040 /* Uppercase letter, apart from A-F and X */
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#define IS_UHX_F 0x0080 /* Uppercase hex A-F */
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#define IS_UX__F 0x0100 /* Uppercase X */
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#define IS_LWO_F 0x0200 /* Lowercase letter, apart from a-f and x */
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#define IS_LHX_F 0x0400 /* Lowercase hex a-f */
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#define IS_LX__F 0x0800 /* Lowercase x */
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#define IS_C82_F 0x1000 /* CSET82 punctuation (apart from *, + and -) */
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#define IS_SIL_F 0x2000 /* SILVER/TECHNETIUM punctuation .$/% (apart from space, + and -) */
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#define IS_CLI_F 0x4000 /* CALCIUM INNER punctuation $:/. (apart from + and -) (Codabar) */
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#define IS_ARS_F 0x8000 /* ARSENIC uppercase subset (VIN) */
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#define IS_UPR_F (IS_UPO_F | IS_UHX_F | IS_UX__F) /* Uppercase letters */
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#define IS_LWR_F (IS_LWO_F | IS_LHX_F | IS_LX__F) /* Lowercase letters */
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/* The most commonly used set */
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#define NEON_F IS_NUM_F /* NEON "0123456789" */
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/* Simple versions of <cctype> functions with no dependence on locale */
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#define z_isdigit(c) ((c) <= '9' && (c) >= '0')
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#define z_isupper(c) ((c) >= 'A' && (c) <= 'Z')
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#define z_islower(c) ((c) >= 'a' && (c) <= 'z')
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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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#define ustrncat(target, source, count) strncat((char *) (target), (const char *) (source), (count))
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#ifdef _MSC_VER
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# if _MSC_VER == 1200 /* VC6 */
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# define ceilf (float) ceil
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# define floorf (float) floor
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# define fmodf (float) fmod
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# endif
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# if _MSC_VER < 1800 /* round (C99) not before MSVC 2013 (C++ 12.0) */
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# define round(arg) floor((arg) + 0.5)
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# define roundf(arg) floorf((arg) + 0.5f)
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# endif
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# pragma warning(disable: 4244) /* conversion from int to float */
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# if _MSC_VER != 1200 /* VC6 */
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# pragma warning(disable: 4996) /* function or variable may be unsafe */
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# endif
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#endif
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/* Is float integral value? (https://stackoverflow.com/a/40404149) */
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#define isfintf(arg) (fmodf(arg, 1.0f) == 0.0f)
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(ZINT_TEST) && !defined(__MINGW32__)
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# define INTERNAL __attribute__ ((visibility ("hidden")))
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#elif defined(ZINT_TEST)
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# define INTERNAL ZINT_EXTERN /* The test suite references INTERNAL functions, so they need to be exported */
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#else
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# define INTERNAL
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#endif
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__MINGW32__)
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# define INTERNAL_DATA_EXTERN __attribute__ ((visibility ("hidden"))) extern
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# define INTERNAL_DATA __attribute__ ((visibility ("hidden")))
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#else
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# define INTERNAL_DATA_EXTERN extern
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# define INTERNAL_DATA
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#endif
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#define Z_COMMON_INLINE 1
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#ifdef Z_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 int to_int(const unsigned char source[], const int length);
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INTERNAL void to_upper(unsigned char source[], const int length);
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INTERNAL int chr_cnt(const unsigned char string[], const int length, const unsigned char c);
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INTERNAL int is_chr(const unsigned int flg, const unsigned int c);
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INTERNAL int is_sane(const unsigned int flg, const unsigned char source[], const int length);
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INTERNAL int is_sane_lookup(const char test_string[], const int test_length, const unsigned char source[],
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const int length, int *posns);
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INTERNAL int posn(const char set_string[], const char data);
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INTERNAL int bin_append_posn(const int arg, const int length, char *binary, const int bin_posn);
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#ifndef Z_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,
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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[], const int length);
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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 is_dotty(const int symbology);
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INTERNAL int is_fixed_ratio(const int symbology);
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INTERNAL int is_twodigits(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 is_valid_utf8(const unsigned char source[], const int length);
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INTERNAL int utf8_to_unicode(struct zint_symbol *symbol, const unsigned char source[], unsigned int vals[],
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int *length, const int disallow_4byte);
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INTERNAL int set_height(struct zint_symbol *symbol, const float min_row_height, const float default_height,
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const float max_height, const int set_errtxt);
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INTERNAL float stripf(const float arg);
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INTERNAL int segs_length(const struct zint_seg segs[], const int seg_count);
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INTERNAL void segs_cpy(const struct zint_symbol *symbol, const struct zint_seg segs[], const int seg_count,
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struct zint_seg local_segs[]);
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INTERNAL int colour_to_red(const int colour);
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INTERNAL int colour_to_green(const int colour);
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INTERNAL int colour_to_blue(const int colour);
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#ifdef ZINT_TEST
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INTERNAL void debug_test_codeword_dump(struct zint_symbol *symbol, const unsigned char *codewords,
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const int length);
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INTERNAL void debug_test_codeword_dump_int(struct zint_symbol *symbol, const int *codewords, const 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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/* vim: set ts=4 sw=4 et : */
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#endif /* Z_COMMON_H */
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