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Diffstat (limited to 'Build/source/texk/dvipdfm-x/numbers.h')
-rw-r--r-- | Build/source/texk/dvipdfm-x/numbers.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Build/source/texk/dvipdfm-x/numbers.h b/Build/source/texk/dvipdfm-x/numbers.h new file mode 100644 index 00000000000..fd4470279e1 --- /dev/null +++ b/Build/source/texk/dvipdfm-x/numbers.h @@ -0,0 +1,101 @@ +/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. + + Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata, + the dvipdfmx project team. + + Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +*/ + +#ifndef _NUMBERS_H_ +#define _NUMBERS_H_ + +#include <stdio.h> +#include <math.h> +#ifdef HAVE_INTTYPES_H +# include <inttypes.h> +#endif +#ifdef HAVE_STDINT_H +# include <stdint.h> +#endif + +#ifndef PRId64 +# ifdef _WIN32 +# define PRId64 "I64d" +# elif SIZEOF_LONG == 8 +# define PRId64 "ld" +# else +# define PRId64 "lld" +# endif +#endif + +/* When reading numbers from binary files 1, 2, or 3 bytes are + interpreted as either signed or unsigned. + + Four bytes from DVI, PK, TFM, or VF files always yield a signed + 32-bit integer (int32_t), but some of them must not be negative. + + Four byte numbers from JPEG2000, OpenType, or TrueType files are + mostly unsigned (uint32_t) and occasionally signed (int32_t). +*/ + +extern unsigned char get_unsigned_byte (FILE *); +extern void skip_bytes (unsigned int, FILE *); +extern signed char get_signed_byte (FILE *); +extern unsigned short get_unsigned_pair (FILE *); +extern unsigned short sget_unsigned_pair (unsigned char *); +extern signed short get_signed_pair (FILE *); +extern unsigned int get_unsigned_triple (FILE *); +extern signed int get_signed_triple (FILE *); +extern int32_t get_signed_quad (FILE *); +extern uint32_t get_unsigned_quad (FILE *); +extern int32_t get_unsigned_num (FILE *, unsigned char); +extern uint32_t get_positive_quad (FILE *, const char *, const char *); + +typedef int32_t fixword; + +extern int32_t sqxfw (int32_t sq, fixword fw); + +#ifndef MAX +# define MAX(a,b) ((a)>(b)?(a):(b)) +#endif +#ifndef MIN +# define MIN(a,b) ((a)<(b)?(a):(b)) +#endif +#define ISODD(n) (((n)/2)*2!=(n)) +#define ISEVEN(n) (((n)/2)*2==(n)) + +#ifndef M_PI +# define M_PI (4.0*atan(1.0)) +#endif + +#define ROUND(n,acc) (floor(((double)n)/(acc)+0.5)*(acc)) + +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +# define __C99__ +#endif + +#ifndef __C99__ +# ifndef round +# define round(v) (floor((v) + 0.5)) +# endif +# ifndef trunc +# define trunc(v) ((v) > 0.0 ? floor((v)) : ceil((v))) +# endif +#endif +#define round_at(v,acc) (round(((double)(v))/(acc))*(acc)) + +#endif /* _NUMBERS_H_ */ |