зеркало из https://github.com/stride3d/freetype.git
removing obsolete "cidafm" files
This commit is contained in:
David Turner
Родитель
42f1d254a1
Коммит
55b7403b58
|
|
@ -1,3 +1,8 @@
|
|||
2000-12-21 David Turner <david.turner@freetype.org>
|
||||
|
||||
* src/cid/cidafm.c, src/cid/cidafm.h: removed un-needed files,
|
||||
we'll work on supporting CID AFM files later I guess :-)
|
||||
|
||||
2000-12-21 Tom Kacvinsky <tjk@ams.org>
|
||||
|
||||
* src/autohint/ahhint.c (ah_hinter_load, ah_hinter_load_glyph):
|
||||
|
|
|
|||
284
src/cid/cidafm.c
284
src/cid/cidafm.c
|
|
@ -1,284 +0,0 @@
|
|||
/***************************************************************************/
|
||||
/* */
|
||||
/* cidafm.c */
|
||||
/* */
|
||||
/* AFM support for CID-keyed fonts (body). */
|
||||
/* */
|
||||
/* Copyright 1996-2000 by */
|
||||
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
|
||||
/* */
|
||||
/* This file is part of the FreeType project, and may only be used, */
|
||||
/* modified, and distributed under the terms of the FreeType project */
|
||||
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
|
||||
/* this file you indicate that you have read the license and */
|
||||
/* understand and accept it fully. */
|
||||
/* */
|
||||
/***************************************************************************/
|
||||
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_SOURCE_FILE( cid, cidafm.h )
|
||||
#include FT_INTERNAL_STREAM_H
|
||||
#include FT_INTERNAL_TYPE1_TYPES_H
|
||||
#include FT_INTERNAL_TYPE1_ERRORS_H
|
||||
|
||||
#include <stdlib.h> /* for qsort() */
|
||||
#include <string.h> /* for strcmp() */
|
||||
#include <ctype.h> /* for isalnum() */
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
|
||||
/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
|
||||
/* messages during execution. */
|
||||
/* */
|
||||
#undef FT_COMPONENT
|
||||
#define FT_COMPONENT trace_cidafm
|
||||
|
||||
|
||||
FT_LOCAL_DEF
|
||||
void CID_Done_AFM( FT_Memory memory,
|
||||
CID_AFM* afm )
|
||||
{
|
||||
FREE( afm->kern_pairs );
|
||||
afm->num_pairs = 0;
|
||||
}
|
||||
|
||||
|
||||
#undef IS_KERN_PAIR
|
||||
#define IS_KERN_PAIR( p ) ( p[0] == 'K' && p[1] == 'P' )
|
||||
|
||||
#define IS_ALPHANUM( c ) ( isalnum( c ) || \
|
||||
c == '_' || \
|
||||
c == '.' )
|
||||
|
||||
|
||||
/* read a glyph name and return the equivalent glyph index */
|
||||
static
|
||||
FT_UInt afm_atoindex( FT_Byte** start,
|
||||
FT_Byte* limit,
|
||||
T1_Font* type1 )
|
||||
{
|
||||
FT_Byte* p = *start;
|
||||
FT_Int len;
|
||||
FT_UInt result = 0;
|
||||
char temp[64];
|
||||
|
||||
|
||||
/* skip whitespace */
|
||||
while ( ( *p == ' ' || *p == '\t' || *p == ':' || *p == ';' ) &&
|
||||
p < limit )
|
||||
p++;
|
||||
*start = p;
|
||||
|
||||
/* now, read glyph name */
|
||||
while ( IS_ALPHANUM( *p ) && p < limit )
|
||||
p++;
|
||||
|
||||
len = p - *start;
|
||||
|
||||
if ( len > 0 && len < 64 )
|
||||
{
|
||||
FT_Int n;
|
||||
|
||||
|
||||
/* copy glyph name to intermediate array */
|
||||
MEM_Copy( temp, *start, len );
|
||||
temp[len] = 0;
|
||||
|
||||
/* lookup glyph name in face array */
|
||||
for ( n = 0; n < type1->num_glyphs; n++ )
|
||||
{
|
||||
char* gname = (char*)type1->glyph_names[n];
|
||||
|
||||
|
||||
if ( gname && gname[0] == temp[0] && strcmp( gname, temp ) == 0 )
|
||||
{
|
||||
result = n;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
*start = p;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/* read an integer */
|
||||
static
|
||||
int afm_atoi( FT_Byte** start,
|
||||
FT_Byte* limit )
|
||||
{
|
||||
FT_Byte* p = *start;
|
||||
int sum = 0;
|
||||
int sign = 1;
|
||||
|
||||
|
||||
/* skip everything that is not a number */
|
||||
while ( p < limit && !isdigit( *p ) )
|
||||
{
|
||||
sign = 1;
|
||||
if ( *p == '-' )
|
||||
sign = -1;
|
||||
|
||||
p++;
|
||||
}
|
||||
|
||||
while ( p < limit && isdigit( *p ) )
|
||||
{
|
||||
sum = sum * 10 + ( *p - '0' );
|
||||
p++;
|
||||
}
|
||||
*start = p;
|
||||
|
||||
return sum * sign;
|
||||
}
|
||||
|
||||
|
||||
#undef KERN_INDEX
|
||||
#define KERN_INDEX( g1, g2 ) ( ( (FT_ULong)g1 << 16 ) | g2 )
|
||||
|
||||
|
||||
/* compare two kerning pairs */
|
||||
static
|
||||
int compare_kern_pairs( const void* a,
|
||||
const void* b )
|
||||
{
|
||||
CID_Kern_Pair* pair1 = (CID_Kern_Pair*)a;
|
||||
CID_Kern_Pair* pair2 = (CID_Kern_Pair*)b;
|
||||
|
||||
FT_ULong index1 = KERN_INDEX( pair1->glyph1, pair1->glyph2 );
|
||||
FT_ULong index2 = KERN_INDEX( pair2->glyph1, pair2->glyph2 );
|
||||
|
||||
|
||||
return ( index1 - index2 );
|
||||
}
|
||||
|
||||
|
||||
/* parse an AFM file -- for now, only read the kerning pairs */
|
||||
FT_LOCAL_DEF
|
||||
FT_Error CID_Read_AFM( FT_Face cid_face,
|
||||
FT_Stream stream )
|
||||
{
|
||||
FT_Error error;
|
||||
FT_Memory memory = stream->memory;
|
||||
FT_Byte* start;
|
||||
FT_Byte* limit;
|
||||
FT_Byte* p;
|
||||
FT_Int count = 0;
|
||||
CID_Kern_Pair* pair;
|
||||
T1_Font* type1 = &((T1_Face)t1_face)->type1;
|
||||
CID_AFM* afm = 0;
|
||||
|
||||
|
||||
if ( ACCESS_Frame( stream->size ) )
|
||||
return error;
|
||||
|
||||
start = (FT_Byte*)stream->cursor;
|
||||
limit = (FT_Byte*)stream->limit;
|
||||
p = start;
|
||||
|
||||
/* we are now going to count the occurrences of `KP' or `KPX' in */
|
||||
/* the AFM file. */
|
||||
count = 0;
|
||||
for ( p = start; p < limit - 3; p++ )
|
||||
{
|
||||
if ( IS_KERN_PAIR( p ) )
|
||||
count++;
|
||||
}
|
||||
|
||||
/* Actually, kerning pairs are simply optional! */
|
||||
if ( count == 0 )
|
||||
goto Exit;
|
||||
|
||||
/* allocate the pairs */
|
||||
if ( ALLOC( afm, sizeof ( *afm ) ) ||
|
||||
ALLOC_ARRAY( afm->kern_pairs, count, CID_Kern_Pair ) )
|
||||
goto Exit;
|
||||
|
||||
/* now, read each kern pair */
|
||||
pair = afm->kern_pairs;
|
||||
afm->num_pairs = count;
|
||||
|
||||
/* save in face object */
|
||||
((T1_Face)t1_face)->afm_data = afm;
|
||||
|
||||
for ( p = start; p < limit - 3; p++ )
|
||||
{
|
||||
if ( IS_KERN_PAIR( p ) )
|
||||
{
|
||||
FT_Byte* q;
|
||||
|
||||
|
||||
/* skip keyword (`KP' or `KPX') */
|
||||
q = p + 2;
|
||||
if ( *q == 'X' )
|
||||
q++;
|
||||
|
||||
pair->glyph1 = afm_atoindex( &q, limit, type1 );
|
||||
pair->glyph2 = afm_atoindex( &q, limit, type1 );
|
||||
pair->kerning.x = afm_atoi( &q, limit );
|
||||
|
||||
pair->kerning.y = 0;
|
||||
if ( p[2] != 'X' )
|
||||
pair->kerning.y = afm_atoi( &q, limit );
|
||||
|
||||
pair++;
|
||||
}
|
||||
}
|
||||
|
||||
/* now, sort the kern pairs according to their glyph indices */
|
||||
qsort( afm->kern_pairs, count, sizeof ( CID_Kern_Pair ),
|
||||
compare_kern_pairs );
|
||||
|
||||
Exit:
|
||||
if ( error )
|
||||
FREE( afm );
|
||||
|
||||
FORGET_Frame();
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
/* find the kerning for a given glyph pair */
|
||||
FT_LOCAL_DEF
|
||||
void CID_Get_Kerning( CID_AFM* afm,
|
||||
FT_UInt glyph1,
|
||||
FT_UInt glyph2,
|
||||
FT_Vector* kerning )
|
||||
{
|
||||
CID_Kern_Pair *min, *mid, *max;
|
||||
FT_ULong index = KERN_INDEX( glyph1, glyph2 );
|
||||
|
||||
|
||||
/* simple binary search */
|
||||
min = afm->kern_pairs;
|
||||
max = min + afm->num_pairs - 1;
|
||||
|
||||
while ( min <= max )
|
||||
{
|
||||
FT_ULong midi;
|
||||
|
||||
|
||||
mid = min + ( max - min ) / 2;
|
||||
midi = KERN_INDEX( mid->glyph1, mid->glyph2 );
|
||||
if ( midi == index )
|
||||
{
|
||||
*kerning = mid->kerning;
|
||||
return;
|
||||
}
|
||||
|
||||
if ( midi < index )
|
||||
min = mid + 1;
|
||||
else
|
||||
max = mid - 1;
|
||||
}
|
||||
|
||||
kerning->x = 0;
|
||||
kerning->y = 0;
|
||||
}
|
||||
|
||||
|
||||
/* END */
|
||||
|
|
@ -1,67 +0,0 @@
|
|||
/***************************************************************************/
|
||||
/* */
|
||||
/* cidafm.h */
|
||||
/* */
|
||||
/* AFM support for CID-keyed fonts (specification). */
|
||||
/* */
|
||||
/* Copyright 1996-2000 by */
|
||||
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
|
||||
/* */
|
||||
/* This file is part of the FreeType project, and may only be used, */
|
||||
/* modified, and distributed under the terms of the FreeType project */
|
||||
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
|
||||
/* this file you indicate that you have read the license and */
|
||||
/* understand and accept it fully. */
|
||||
/* */
|
||||
/***************************************************************************/
|
||||
|
||||
|
||||
#ifndef __CIDAFM_H__
|
||||
#define __CIDAFM_H__
|
||||
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_SOURCE_FILE( cid, cidobjs.h )
|
||||
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
|
||||
typedef struct CID_Kern_Pair_
|
||||
{
|
||||
FT_UInt glyph1;
|
||||
FT_UInt glyph2;
|
||||
FT_Vector kerning;
|
||||
|
||||
} CID_Kern_Pair;
|
||||
|
||||
|
||||
typedef struct CID_AFM_
|
||||
{
|
||||
FT_UInt num_pairs;
|
||||
CID_Kern_Pair* kern_pairs;
|
||||
|
||||
} CID_AFM;
|
||||
|
||||
|
||||
FT_LOCAL
|
||||
FT_Error CID_Read_AFM( FT_Face cid_face,
|
||||
FT_Stream stream );
|
||||
|
||||
FT_LOCAL
|
||||
void CID_Done_AFM( FT_Memory memory,
|
||||
CID_AFM* afm );
|
||||
|
||||
FT_LOCAL
|
||||
void CID_Get_Kerning( CID_AFM* afm,
|
||||
FT_UInt glyph1,
|
||||
FT_UInt glyph2,
|
||||
FT_Vector* kerning );
|
||||
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
#endif /* __CIDAFM_H__ */
|
||||
|
||||
|
||||
/* END */
|
||||
Загрузка…
Ссылка в новой задаче