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mirror of https://github.com/rsms/inter.git synced 2024-12-13 12:14:53 +03:00
inter/misc/ttf2woff/ttf2woff.h
2017-08-22 02:23:08 -07:00

95 lines
2.2 KiB
C

#include <sys/types.h>
#include <string.h>
#pragma clang diagnostic ignored "-Wshift-op-parentheses"
#pragma clang diagnostic ignored "-Wpointer-sign"
#ifndef NO_ERRWARN
#include <err.h>
#else
void err(int,char*,...);
void errx(int,char*,...);
void warn(char*,...);
void warnx(char*,...);
#endif
enum {
fmt_UNKNOWN=0,
fmt_TTF,
fmt_WOFF
};
extern struct flags {
unsigned otype:8;
unsigned stdout_used:1;
unsigned verbose:1;
unsigned mayoptim:1;
unsigned optimize:1;
unsigned dryrun:1;
unsigned inplace:1;
unsigned listonly:1;
} g;
void echo(char *, ...);
typedef unsigned char u8;
typedef unsigned int u32;
static inline int g16(u8 *p) {return p[0]<<8 | p[1];}
static inline u32 g32(u8 *p) {return (u32)p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3];}
static inline u8 *p16(u8 *p, int v) {p[0]=v>>8; p[1]=v; return p+2;}
static inline u8 *p32(u8 *p, u32 v) {p[0]=v>>24; p[1]=v>>16; p[2]=v>>8; p[3]=v; return p+4;}
static inline u8 *append(u8 *d, u8 *s, size_t n) {u8 *p=d+n; memcpy(d,s,n); return p;}
struct buf {
u8 *ptr;
unsigned len;
};
struct table {
u32 tag;
unsigned modified:1;
unsigned free_buf:1;
struct buf buf;
u32 csum;
u32 pos;
char name[8];
struct buf zbuf;
};
struct ttf {
u32 flavor;
int ntables;
unsigned modified:1;
unsigned modified_meta:1; // WOFF meta & priv
struct table *tables; // sorted by name
struct table **tab_pos; // sorted by file pos
struct buf woff_meta, woff_priv;
};
void alloc_tables(struct ttf *ttf);
void name_table(struct table *t);
u8 *put_ttf_header(u8 buf[12], struct ttf *ttf);
struct table *find_table(struct ttf *ttf, char tag[4]);
void optimize(struct ttf *ttf);
void read_ttf(struct ttf *ttf, u8 *data, size_t length, unsigned offset);
void read_ttc(struct ttf *ttf, u8 *data, size_t length, int fontn);
void read_woff(struct ttf *ttf, u8 *data, size_t length);
void gen_woff(struct buf *out, struct ttf *ttf);
void gen_ttf(struct buf *out, struct ttf *ttf);
#define BAD_FONT errx(2, "Bad font (%s:%d)",__FILE__,__LINE__)
int zlib_compress(struct buf *out, struct buf *inp);
extern char *copression_by;
#define _STR(X) #X
#define STR(X) _STR(X)
#define REALLY_SMALLER(A,B) (((A)+3&~3)<((B)+3&~3))
void *my_alloc(size_t sz);
void *my_free(void *p);
void *my_realloc(void *p, size_t sz);