t1cmap.c File Reference

#include "t1cmap.h"
#include "psauxerr.h"

Include dependency graph for t1cmap.c:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
static void	t1_cmap_std_init (T1_CMapStd cmap, FT_Int is_expert)
	t1_cmap_std_done (T1_CMapStd cmap)
	t1_cmap_std_char_index (T1_CMapStd cmap, FT_UInt32 char_code)
	t1_cmap_std_char_next (T1_CMapStd cmap, FT_UInt32 *pchar_code)
	t1_cmap_standard_init (T1_CMapStd cmap, FT_Pointer pointer)
	t1_cmap_expert_init (T1_CMapStd cmap, FT_Pointer pointer)
	t1_cmap_custom_init (T1_CMapCustom cmap, FT_Pointer pointer)
	t1_cmap_custom_done (T1_CMapCustom cmap)
	t1_cmap_custom_char_index (T1_CMapCustom cmap, FT_UInt32 char_code)
	t1_cmap_custom_char_next (T1_CMapCustom cmap, FT_UInt32 *pchar_code)
	psaux_get_glyph_name (T1_Face face, FT_UInt idx)
	t1_cmap_unicode_init (PS_Unicodes unicodes, FT_Pointer pointer)
	t1_cmap_unicode_done (PS_Unicodes unicodes)
	t1_cmap_unicode_char_index (PS_Unicodes unicodes, FT_UInt32 char_code)
	t1_cmap_unicode_char_next (PS_Unicodes unicodes, FT_UInt32 *pchar_code)

Variables
FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec	t1_cmap_standard_class_rec
FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec	t1_cmap_expert_class_rec
FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec	t1_cmap_custom_class_rec
FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec	t1_cmap_unicode_class_rec

Function Documentation

psaux_get_glyph_name()

psaux_get_glyph_name	(	T1_Face	face,
		FT_UInt	idx
	)

Definition at line 290 of file t1cmap.c.

  {
    return face->type1.glyph_names[idx];
  }

Referenced by t1_cmap_unicode_init().

t1_cmap_custom_char_index()

t1_cmap_custom_char_index	(	T1_CMapCustom	cmap,
		FT_UInt32	char_code
	)

Definition at line 221 of file t1cmap.c.

  {
    FT_UInt    result = 0;
 
 
    if ( ( char_code >= cmap->first )                  &&
         ( char_code < ( cmap->first + cmap->count ) ) )
      result = cmap->indices[char_code];
 
    return result;
  }

t1_cmap_custom_char_next()

t1_cmap_custom_char_next	(	T1_CMapCustom	cmap,
		FT_UInt32 *	pchar_code
	)

Definition at line 236 of file t1cmap.c.

  {
    FT_UInt    result = 0;
    FT_UInt32  char_code = *pchar_code;
 
 
    char_code++;
 
    if ( char_code < cmap->first )
      char_code = cmap->first;
 
    for ( ; char_code < ( cmap->first + cmap->count ); char_code++ )
    {
      result = cmap->indices[char_code];
      if ( result != 0 )
        goto Exit;
    }
 
    char_code = 0;
 
  Exit:
    *pchar_code = char_code;
    return result;
  }

t1_cmap_custom_done()

t1_cmap_custom_done

(

T1_CMapCustom

cmap

)

Definition at line 212 of file t1cmap.c.

  {
    cmap->indices = NULL;
    cmap->first   = 0;
    cmap->count   = 0;
  }

t1_cmap_custom_init()

t1_cmap_custom_init	(	T1_CMapCustom	cmap,
		FT_Pointer	pointer
	)

Definition at line 191 of file t1cmap.c.

  {
    T1_Face      face     = (T1_Face)FT_CMAP_FACE( cmap );
    T1_Encoding  encoding = &face->type1.encoding;
 
    FT_UNUSED( pointer );
 
 
    cmap->first   = (FT_UInt)encoding->code_first;
    cmap->count   = (FT_UInt)encoding->code_last - cmap->first;
    cmap->indices = encoding->char_index;
 
    FT_ASSERT( cmap->indices );
    FT_ASSERT( encoding->code_first <= encoding->code_last );
 
    return 0;
  }

t1_cmap_expert_init()

t1_cmap_expert_init	(	T1_CMapStd	cmap,
		FT_Pointer	pointer
	)

Definition at line 153 of file t1cmap.c.

  {
    FT_UNUSED( pointer );
 
 
    t1_cmap_std_init( cmap, 1 );
    return 0;
  }

t1_cmap_standard_init()

t1_cmap_standard_init	(	T1_CMapStd	cmap,
		FT_Pointer	pointer
	)

Definition at line 123 of file t1cmap.c.

  {
    FT_UNUSED( pointer );
 
 
    t1_cmap_std_init( cmap, 0 );
    return 0;
  }

t1_cmap_std_char_index()

t1_cmap_std_char_index	(	T1_CMapStd	cmap,
		FT_UInt32	char_code
	)

Definition at line 63 of file t1cmap.c.

  {
    FT_UInt  result = 0;
 
 
    if ( char_code < 256 )
    {
      FT_UInt      code, n;
      const char*  glyph_name;
 
 
      /* convert character code to Adobe SID string */
      code       = cmap->code_to_sid[char_code];
      glyph_name = cmap->sid_to_string( code );
 
      /* look for the corresponding glyph name */
      for ( n = 0; n < cmap->num_glyphs; n++ )
      {
        const char* gname = cmap->glyph_names[n];
 
 
        if ( gname && gname[0] == glyph_name[0]  &&
             ft_strcmp( gname, glyph_name ) == 0 )
        {
          result = n;
          break;
        }
      }
    }
 
    return result;
  }

Referenced by t1_cmap_std_char_next().

t1_cmap_std_char_next()

t1_cmap_std_char_next	(	T1_CMapStd	cmap,
		FT_UInt32 *	pchar_code
	)

Definition at line 99 of file t1cmap.c.

  {
    FT_UInt    result    = 0;
    FT_UInt32  char_code = *pchar_code + 1;
 
 
    while ( char_code < 256 )
    {
      result = t1_cmap_std_char_index( cmap, char_code );
      if ( result != 0 )
        goto Exit;
 
      char_code++;
    }
    char_code = 0;
 
  Exit:
    *pchar_code = char_code;
    return result;
  }

t1_cmap_std_done()

t1_cmap_std_done

(

T1_CMapStd

cmap

)

Definition at line 53 of file t1cmap.c.

  {
    cmap->num_glyphs    = 0;
    cmap->glyph_names   = NULL;
    cmap->sid_to_string = NULL;
    cmap->code_to_sid   = NULL;
  }

t1_cmap_std_init()

static void t1_cmap_std_init ( T1_CMapStd  cmap, FT_Int  is_expert  )

static

Definition at line 35 of file t1cmap.c.

  {
    T1_Face             face    = (T1_Face)FT_CMAP_FACE( cmap );
    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)face->psnames;
 
 
    cmap->num_glyphs    = (FT_UInt)face->type1.num_glyphs;
    cmap->glyph_names   = (const char* const*)face->type1.glyph_names;
    cmap->sid_to_string = psnames->adobe_std_strings;
    cmap->code_to_sid   = is_expert ? psnames->adobe_expert_encoding
                                    : psnames->adobe_std_encoding;
 
    FT_ASSERT( cmap->code_to_sid );
  }

Referenced by t1_cmap_expert_init(), and t1_cmap_standard_init().

t1_cmap_unicode_char_index()

t1_cmap_unicode_char_index	(	PS_Unicodes	unicodes,
		FT_UInt32	char_code
	)

Definition at line 333 of file t1cmap.c.

  {
    T1_Face             face    = (T1_Face)FT_CMAP_FACE( unicodes );
    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)face->psnames;
 
 
    return psnames->unicodes_char_index( unicodes, char_code );
  }

t1_cmap_unicode_char_next()

t1_cmap_unicode_char_next	(	PS_Unicodes	unicodes,
		FT_UInt32 *	pchar_code
	)

Definition at line 345 of file t1cmap.c.

  {
    T1_Face             face    = (T1_Face)FT_CMAP_FACE( unicodes );
    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)face->psnames;
 
 
    return psnames->unicodes_char_next( unicodes, pchar_code );
  }

t1_cmap_unicode_done()

t1_cmap_unicode_done

(

PS_Unicodes

unicodes

)

Definition at line 321 of file t1cmap.c.

  {
    FT_Face    face   = FT_CMAP_FACE( unicodes );
    FT_Memory  memory = FT_FACE_MEMORY( face );
 
 
    FT_FREE( unicodes->maps );
    unicodes->num_maps = 0;
  }

t1_cmap_unicode_init()

t1_cmap_unicode_init	(	PS_Unicodes	unicodes,
		FT_Pointer	pointer
	)

Definition at line 298 of file t1cmap.c.

  {
    T1_Face             face    = (T1_Face)FT_CMAP_FACE( unicodes );
    FT_Memory           memory  = FT_FACE_MEMORY( face );
    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)face->psnames;
 
    FT_UNUSED( pointer );
 
 
    if ( !psnames->unicodes_init )
      return FT_THROW( Unimplemented_Feature );
 
    return psnames->unicodes_init( memory,
                                   unicodes,
                                   (FT_UInt)face->type1.num_glyphs,
                                   (PS_GetGlyphNameFunc)&psaux_get_glyph_name,
                                   (PS_FreeGlyphNameFunc)NULL,
                                   (FT_Pointer)face );
  }

Variable Documentation

t1_cmap_custom_class_rec

FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec t1_cmap_custom_class_rec

Initial value:

=
  {
    sizeof ( T1_CMapCustomRec ),
 
    (FT_CMap_InitFunc)     t1_cmap_custom_init,        
    (FT_CMap_DoneFunc)     t1_cmap_custom_done,        
    (FT_CMap_CharIndexFunc)t1_cmap_custom_char_index,  
    (FT_CMap_CharNextFunc) t1_cmap_custom_char_next,   
 
    (FT_CMap_CharVarIndexFunc)    NULL,  
    (FT_CMap_CharVarIsDefaultFunc)NULL,  
    (FT_CMap_VariantListFunc)     NULL,  
    (FT_CMap_CharVariantListFunc) NULL,  
    (FT_CMap_VariantCharListFunc) NULL   
  }

Definition at line 264 of file t1cmap.c.

t1_cmap_expert_class_rec

FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec t1_cmap_expert_class_rec

Initial value:

=
  {
    sizeof ( T1_CMapStdRec ),
 
    (FT_CMap_InitFunc)     t1_cmap_expert_init,     
    (FT_CMap_DoneFunc)     t1_cmap_std_done,        
    (FT_CMap_CharIndexFunc)t1_cmap_std_char_index,  
    (FT_CMap_CharNextFunc) t1_cmap_std_char_next,   
 
    (FT_CMap_CharVarIndexFunc)    NULL,  
    (FT_CMap_CharVarIsDefaultFunc)NULL,  
    (FT_CMap_VariantListFunc)     NULL,  
    (FT_CMap_CharVariantListFunc) NULL,  
    (FT_CMap_VariantCharListFunc) NULL   
  }

Definition at line 164 of file t1cmap.c.

t1_cmap_standard_class_rec

FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec t1_cmap_standard_class_rec

Initial value:

=
  {
    sizeof ( T1_CMapStdRec ),
 
    (FT_CMap_InitFunc)     t1_cmap_standard_init,   
    (FT_CMap_DoneFunc)     t1_cmap_std_done,        
    (FT_CMap_CharIndexFunc)t1_cmap_std_char_index,  
    (FT_CMap_CharNextFunc) t1_cmap_std_char_next,   
 
    (FT_CMap_CharVarIndexFunc)    NULL,  
    (FT_CMap_CharVarIsDefaultFunc)NULL,  
    (FT_CMap_VariantListFunc)     NULL,  
    (FT_CMap_CharVariantListFunc) NULL,  
    (FT_CMap_VariantCharListFunc) NULL   
  }

Definition at line 135 of file t1cmap.c.

t1_cmap_unicode_class_rec

FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec t1_cmap_unicode_class_rec

Initial value:

=
  {
    sizeof ( PS_UnicodesRec ),
 
    (FT_CMap_InitFunc)     t1_cmap_unicode_init,        
    (FT_CMap_DoneFunc)     t1_cmap_unicode_done,        
    (FT_CMap_CharIndexFunc)t1_cmap_unicode_char_index,  
    (FT_CMap_CharNextFunc) t1_cmap_unicode_char_next,   
 
    (FT_CMap_CharVarIndexFunc)    NULL,  
    (FT_CMap_CharVarIsDefaultFunc)NULL,  
    (FT_CMap_VariantListFunc)     NULL,  
    (FT_CMap_CharVariantListFunc) NULL,  
    (FT_CMap_VariantCharListFunc) NULL   
  }

Definition at line 357 of file t1cmap.c.