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#ifndef _SFNT_INT_H
#define _SFNT_INT_H
static inline unsigned short get_USHORT(const char *buf) // {{{
{
return ((unsigned char)buf[0]<<8)|((unsigned char)buf[1]);
}
// }}}
static inline short get_SHORT(const char *buf) // {{{
{
return (buf[0]<<8)|((unsigned char)buf[1]);
}
// }}}
static inline unsigned int get_UINT24(const char *buf) // {{{
{
return ((unsigned char)buf[0]<<16)|
((unsigned char)buf[1]<<8)|
((unsigned char)buf[2]);
}
// }}}
static inline unsigned int get_ULONG(const char *buf) // {{{
{
return ((unsigned char)buf[0]<<24)|
((unsigned char)buf[1]<<16)|
((unsigned char)buf[2]<<8)|
((unsigned char)buf[3]);
}
// }}}
static inline int get_LONG(const char *buf) // {{{
{
return (buf[0]<<24)|
((unsigned char)buf[1]<<16)|
((unsigned char)buf[2]<<8)|
((unsigned char)buf[3]);
}
// }}}
static inline void set_USHORT(char *buf,unsigned short val) // {{{
{
buf[0]=val>>8;
buf[1]=val&0xff;
}
// }}}
static inline void set_ULONG(char *buf,unsigned int val) // {{{
{
buf[0]=val>>24;
buf[1]=(val>>16)&0xff;
buf[2]=(val>>8)&0xff;
buf[3]=val&0xff;
}
// }}}
static inline unsigned int otf_checksum(const char *buf, unsigned int len) // {{{
{
unsigned int ret=0;
for (len=(len+3)/4;len>0;len--,buf+=4) {
ret+=get_ULONG(buf);
}
return ret;
}
// }}}
static inline int get_width_fast(OTF_FILE *otf,int gid) // {{{
{
if (gid>=otf->numberOfHMetrics) {
return get_USHORT(otf->hmtx+(otf->numberOfHMetrics-1)*4);
} else {
return get_USHORT(otf->hmtx+gid*4);
}
}
// }}}
int otf_load_glyf(OTF_FILE *otf); // - 0 on success
int otf_load_more(OTF_FILE *otf); // - 0 on success
int otf_find_table(OTF_FILE *otf,unsigned int tag); // - table_index or -1 on error
int otf_action_copy(void *param,int csum,OUTPUT_FN output,void *context);
int otf_action_replace(void *param,int csum,OUTPUT_FN output,void *context);
// Note: don't use this directly. otf_write_sfnt will internally replace otf_action_copy for head with this
int otf_action_copy_head(void *param,int csum,OUTPUT_FN output,void *context);
struct _OTF_WRITE {
unsigned long tag;
int (*action)(void *param,int length,OUTPUT_FN output,void *context); // -1 on error, num_bytes_written on success; if >output==NULL return checksum in (unsigned int *)context instead.
void *param;
int length;
};
int otf_write_sfnt(struct _OTF_WRITE *otw,unsigned int version,int numTables,OUTPUT_FN output,void *context);
/** from sfnt_subset.c: **/
// otw {0,}-terminated, will be modified; returns numTables for otf_write_sfnt
int otf_intersect_tables(OTF_FILE *otf,struct _OTF_WRITE *otw);
#endif
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