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This commit is contained in:
Werner Lemberg 2000-07-01 14:09:27 +00:00
parent 11735fe317
commit 798e70e44c
3 changed files with 0 additions and 369 deletions
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326
src/psnames/psdriver.c
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/***************************************************************************/
/* */
/* psdriver.c */
/* */
/* PSNames driver implementation (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 <freetype/internal/psnames.h>
#include <freetype/internal/ftobjs.h>
#include <psdriver.h>
#include <stdlib.h> /* for qsort() */
#include <string.h> /* for strncpy() */
#ifndef FT_CONFIG_OPTION_NO_POSTSCRIPT_NAMES
/* see the Python script `freetype2/docs/glnames.py' which is used */
/* to generate the following file. */
#include <pstables.h>
#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
/* return the Unicode value corresponding to a given glyph. Note that */
/* we do deal with glyph variants by detecting a non-initial dot in */
/* in the name, as in `A.swash' or `e.final', etc. */
/* */
static
FT_ULong PS_Unicode_Value( const char* glyph_name )
{
FT_Int n;
char first = glyph_name[0];
char temp[64];
/* if the name begins with `uni', then the glyph name may be a */
/* hard-coded unicode character code. */
if ( glyph_name[0] == 'u' &&
glyph_name[1] == 'n' &&
glyph_name[2] == 'i' )
{
/* determine whether the next four characters following are */
/* hexadecimal. */
/* XXX: Add code to deal with ligatures, i.e. glyph names like */
/* uniXXXXYYYYZZZZ.... */
FT_Int count;
FT_ULong value = 0;
const char* p = glyph_name + 4;
for ( count = 4; count > 0; count--, p++ )
{
char c = *p;
unsigned char d;
d = (unsigned char)c - '0';
if ( d >= 10 )
{
d = (unsigned char)c - 'A';
if ( d >= 6 )
d = 16;
else
d += 10;
}
/* exit if a non-uppercase hexadecimal character was found */
if ( d >= 16 )
break;
value = ( value << 4 ) + d;
if ( count == 0 )
return value;
}
}
/* look for a non-initial dot in the glyph name in order to */
/* sort-out variants like `A.swash', `e.final', etc. */
{
const char* p;
int len;
p = glyph_name;
while ( *p && *p != '.' )
p++;
len = p - glyph_name;
if ( *p && len < 64 )
{
strncpy( temp, glyph_name, len );
temp[len] = 0;
glyph_name = temp;
}
}
/* now, look up the glyph in the Adobe Glyph List */
for ( n = 0; n < NUM_ADOBE_GLYPHS; n++ )
{
const char* name = t1_standard_glyphs[n];
if ( first == name[0] && strcmp( glyph_name, name ) == 0 )
return names_to_unicode[n];
}
/* not found, there is probably no Unicode value for this glyph name */
return 0;
}
/* qsort callback to sort the unicode map */
static
int compare_uni_maps( const void* a,
const void* b )
{
PS_UniMap* map1 = (PS_UniMap*)a;
PS_UniMap* map2 = (PS_UniMap*)b;
return ( map1->unicode < map2->unicode ? -1 :
map1->unicode > map2->unicode ? 1 : 0 );
}
/* Builds a table that maps Unicode values to glyph indices */
static
FT_Error PS_Build_Unicode_Table( FT_Memory memory,
FT_UInt num_glyphs,
const char** glyph_names,
PS_Unicodes* table )
{
FT_Error error;
/* we first allocate the table */
table->num_maps = 0;
table->maps = 0;
if ( !ALLOC_ARRAY( table->maps, num_glyphs, PS_UniMap ) )
{
FT_UInt n;
FT_UInt count;
PS_UniMap* map;
FT_ULong uni_char;
map = table->maps;
for ( n = 0; n < num_glyphs; n++ )
{
const char* gname = glyph_names[n];
if ( gname )
{
uni_char = PS_Unicode_Value( gname );
if ( uni_char && uni_char != 0xFFFF )
{
map->unicode = uni_char;
map->glyph_index = n;
map++;
}
}
}
/* now, compress the table a bit */
count = map - table->maps;
if ( count > 0 && REALLOC( table->maps,
num_glyphs * sizeof ( PS_UniMap ),
count * sizeof ( PS_UniMap ) ) )
{
count = 0;
}
if ( count == 0 )
{
FREE( table->maps );
if ( !error )
error = FT_Err_Invalid_Argument; /* no unicode chars here! */
}
else
/* sort the table in increasing order of unicode values */
qsort( table->maps, count, sizeof ( PS_UniMap ), compare_uni_maps );
table->num_maps = count;
}
return error;
}
static
FT_UInt PS_Lookup_Unicode( PS_Unicodes* table,
FT_ULong unicode )
{
PS_UniMap *min, *max, *mid;
/* perform a binary search on the table */
min = table->maps;
max = min + table->num_maps - 1;
while ( min <= max )
{
mid = min + ( max - min ) / 2;
if ( mid->unicode == unicode )
return mid->glyph_index;
if ( min == max )
break;
if ( mid->unicode < unicode )
min = mid + 1;
else
max = mid - 1;
}
return 0xFFFF;
}
#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */
static
const char* PS_Macintosh_Name( FT_UInt name_index )
{
if ( name_index >= 258 )
name_index = 0;
return standard_glyph_names[mac_standard_names[name_index]];
}
static
const char* PS_Standard_Strings( FT_UInt sid )
{
return ( sid < NUM_STD_GLYPHS ? t1_standard_glyphs[sid] : 0 );
}
static const PSNames_Interface psnames_interface =
{
#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
(PS_Unicode_Value_Func) PS_Unicode_Value,
(PS_Build_Unicodes_Func) PS_Build_Unicode_Table,
(PS_Lookup_Unicode_Func) PS_Lookup_Unicode,
#else
0,
0,
0,
#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */
(PS_Macintosh_Name_Func) PS_Macintosh_Name,
(PS_Adobe_Std_Strings_Func)PS_Standard_Strings,
t1_standard_encoding,
t1_expert_encoding
};
const FT_DriverInterface psnames_driver_interface =
{
sizeof( FT_DriverRec ),
0,
0,
0,
"psnames", /* driver name */
100, /* driver version */
200, /* driver requires FreeType 2 or above */
(void*)&psnames_interface,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0,
};
#else /* FT_CONFIG_OPTION_NO_POSTSCRIPT_NAMES */
const FT_DriverInterface psnames_driver_interface =
{
0,
0,
0,
0,
0,
100, /* driver version */
200, /* driver requires FreeType 2 or above */
0,
};
#endif /* !FT_CONFIG_OPTION_NO_POSTSCRIPT_NAMES */
/* END */

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src/psnames/psdriver.h
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/***************************************************************************/
/* */
/* psdriver.h */
/* */
/* High-level PSNames driver interface (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 PSDRIVER_H
#define PSDRIVER_H
#include <freetype/ftmodule.h>
FT_EXPORT_VAR( const FT_Module_Class ) psnames_module_class;
#endif /* PSDRIVER_H */
/* END */

14
src/raster1/raster1.h
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#ifndef RASTER1_H
#define RASTER1_H
#include <freetype/ftrender.h>
FT_EXPORT_VAR(const FT_Renderer_Class) ft_raster1_renderer_class;
/* this renderer is _NOT_ part of the default modules, you'll need */
/* to register it by hand in your application. It should only be */
/* used for backwards-compatibility with FT 1.x anyway.. */
/* */
FT_EXPORT_VAR(const FT_Renderer_Class) ft_raster5_renderer_class;
#endif /* RASTER1_H */