src/freetype/type1/t1objs.c

/***************************************************************************/
/*                                                                         */
/*  t1objs.c                                                               */
/*                                                                         */
/*    Type 1 objects manager (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/ftdebug.h>
#include <freetype/internal/ftstream.h>


#ifdef FT_FLAT_COMPILE

#include "t1gload.h"
#include "t1load.h"
#include "t1afm.h"

#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
#include "t1hinter.h"
#endif

#else /* FT_FLAT_COMPILE */

#include <type1/t1gload.h>
#include <type1/t1load.h>
#include <type1/t1afm.h>

#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
#include <type1/t1hinter.h>
#endif

#endif /* FT_FLAT_COMPILE */


#include <freetype/internal/psnames.h>


  /*************************************************************************/
  /*                                                                       */
  /* 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_t1objs


  /*************************************************************************/
  /*                                                                       */
  /*                           SIZE  FUNCTIONS                             */
  /*                                                                       */
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Done_Size                                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The Type 1 size object destructor.  Used to discard a given size   */
  /*    object.                                                            */
  /*                                                                       */
  /* <Input>                                                               */
  /*    size :: A handle to the target size object.                        */
  /*                                                                       */
  LOCAL_FUNC
  void  T1_Done_Size( T1_Size  size )
  {
    if ( size )
    {

#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
      T1_Done_Size_Hinter( size );
#endif

      size->valid = 0;
    }
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Init_Size                                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The size object initializer.                                       */
  /*                                                                       */
  /* <Input>                                                               */
  /*    size :: A handle to the target size object.                        */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeTrue error code.  0 means success.                             */
  /*                                                                       */
  LOCAL_DEF
  FT_Error  T1_Init_Size( T1_Size  size )
  {
    FT_Error  error;


    size->valid = 0;

#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
    error = T1_New_Size_Hinter( size );

    return error;
#else

    FT_UNUSED( error );

    return T1_Err_Ok;

#endif
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Reset_Size                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Resets an instance to a new pointsize/transform.  This function is */
  /*    in charge of resetting the blue zones,a s well as the stem snap    */
  /*    tables for a given size.                                           */
  /*                                                                       */
  /* <Input>                                                               */
  /*    size :: The target size object.                                    */
  /*                                                                       */
  /* <Output>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  LOCAL_FUNC
  FT_Error  T1_Reset_Size( T1_Size  size )
  {
    /* recompute ascender, descender, etc. */
    T1_Face           face    = (T1_Face)size->root.face;
    FT_Size_Metrics*  metrics = &size->root.metrics;


    if ( metrics->x_ppem < 1 || metrics->y_ppem < 1 )
      return FT_Err_Invalid_Argument;

    /* Compute root ascender, descender, test height, and max_advance */
    metrics->ascender    = ( FT_MulFix( face->root.ascender,
                                        metrics->y_scale ) + 32 ) & -64;
    metrics->descender   = ( FT_MulFix( face->root.descender,
                                        metrics->y_scale ) + 32 ) & -64;
    metrics->height      = ( FT_MulFix( face->root.height,
                                        metrics->y_scale ) + 32 ) & -64;
    metrics->max_advance = ( FT_MulFix( face->root.max_advance_width,
                                        metrics->x_scale ) + 32 ) & -64;

#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
    return T1_Reset_Size_Hinter( size );
#else
    return 0;
#endif
  }


  /*************************************************************************/
  /*                                                                       */
  /*                            FACE  FUNCTIONS                            */
  /*                                                                       */
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Done_Face                                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The face object destructor.                                        */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face :: A typeless pointer to the face object to destroy.          */
  /*                                                                       */
  LOCAL_FUNC
  void  T1_Done_Face( T1_Face  face )
  {
    FT_Memory  memory;
    T1_Font*   type1 = &face->type1;


    if ( face )
    {
      memory = face->root.memory;

      /* release font info strings */
      {
        T1_FontInfo*  info = &type1->font_info;


        FREE( info->version );
        FREE( info->notice );
        FREE( info->full_name );
        FREE( info->family_name );
        FREE( info->weight );
      }

      /* release top dictionary */
      FREE( type1->charstrings_len );
      FREE( type1->charstrings );
      FREE( type1->glyph_names );

      FREE( type1->subrs );
      FREE( type1->subrs_len );

      FREE( type1->subrs_block );
      FREE( type1->charstrings_block );
      FREE( type1->glyph_names_block );

      FREE( type1->encoding.char_index );
      FREE( type1->font_name );

#ifndef T1_CONFIG_OPTION_NO_AFM
      /* release afm data if present */
      if ( face->afm_data )
        T1_Done_AFM( memory, (T1_AFM*)face->afm_data );
#endif

      /* release unicode map, if any */
      FREE( face->unicode_map.maps );
      face->unicode_map.num_maps = 0;

      face->root.family_name = 0;
      face->root.style_name  = 0;
    }
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Init_Face                                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The face object constructor.                                       */
  /*                                                                       */
  /* <Input>                                                               */
  /*    stream     ::  input stream where to load font data.               */
  /*                                                                       */
  /*    face_index :: The index of the font face in the resource.          */
  /*                                                                       */
  /*    num_params :: Number of additional generic parameters.  Ignored.   */
  /*                                                                       */
  /*    params     :: Additional generic parameters.  Ignored.             */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    face       :: The face record to build.                            */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  LOCAL_FUNC
  FT_Error  T1_Init_Face( FT_Stream      stream,
                          T1_Face        face,
                          FT_Int         face_index,
                          FT_Int         num_params,
                          FT_Parameter*  params )
  {
    T1_Tokenizer        tokenizer;
    FT_Error            error;
    PSNames_Interface*  psnames;

    FT_UNUSED( num_params );
    FT_UNUSED( params );
    FT_UNUSED( face_index );
    FT_UNUSED( face );


    face->root.num_faces = 1;

    psnames = (PSNames_Interface*)face->psnames;
    if ( !psnames )
    {
      psnames = (PSNames_Interface*)
                 FT_Get_Module_Interface( FT_FACE_LIBRARY( face ),
                                          "psnames" );

      face->psnames = psnames;
    }

    /* open the tokenizer, this will also check the font format */
    error = New_Tokenizer( stream, &tokenizer );
    if ( error )
      goto Fail;

    /* if we just wanted to check the format, leave successfully now */
    if ( face_index < 0 )
      goto Leave;

    /* check the face index */
    if ( face_index != 0 )
    {
      FT_ERROR(( "T1_Init_Face: invalid face index\n" ));
      error = T1_Err_Invalid_Argument;
      goto Leave;
    }

    /* Now, load the font program into the face object */
    {
      T1_Parser  parser;


      Init_T1_Parser( &parser, face, tokenizer );
      error = Parse_T1_FontProgram( &parser );
      if ( error )
        goto Leave;

      /* Init the face object fields */
      /* Now set up root face fields */
      {
        FT_Face   root  = (FT_Face)&face->root;
        T1_Font*  type1 = &face->type1;


        root->num_glyphs   = type1->num_glyphs;
        root->num_charmaps = 1;

        root->face_index = face_index;
        root->face_flags = FT_FACE_FLAG_SCALABLE;

        root->face_flags |= FT_FACE_FLAG_HORIZONTAL;

        root->face_flags |= FT_FACE_FLAG_GLYPH_NAMES;

        if ( type1->font_info.is_fixed_pitch )
          root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;

        /* XXX: TODO -- add kerning with .afm support */

        /* get style name - be careful, some broken fonts only */
        /* have a `/FontName' dictionary entry!                */
        root->family_name = type1->font_info.family_name;
        if ( root->family_name )
        {
          char*  full   = type1->font_info.full_name;
          char*  family = root->family_name;


          while ( *family && *full == *family )
          {
            family++;
            full++;
          }

          root->style_name = ( *full == ' ' ? full + 1
                                            : (char *)"Regular" );
        }
        else
        {
          /* do we have a `/FontName'? */
          if (type1->font_name)
          {
            root->family_name = type1->font_name;
            root->style_name  = "Regular";
          }
        }

        /* no embedded bitmap support */
        root->num_fixed_sizes = 0;
        root->available_sizes = 0;

        root->bbox         = type1->font_bbox;
        root->units_per_EM = 1000;
        root->ascender     =  (FT_Short)type1->font_bbox.yMax;
        root->descender    = -(FT_Short)type1->font_bbox.yMin;
        root->height       = ( ( root->ascender + root->descender) * 12 )
                             / 10;

        /* now compute the maximum advance width */

        root->max_advance_width = type1->private_dict.standard_width[0];

        /* compute max advance width for proportional fonts */
        if ( !type1->font_info.is_fixed_pitch )
        {
          FT_Int  max_advance;


          error = T1_Compute_Max_Advance( face, &max_advance );

          /* in case of error, keep the standard width */
          if ( !error )
            root->max_advance_width = max_advance;
          else
            error = 0;   /* clear error */
        }

        root->max_advance_height = root->height;

        root->underline_position  = type1->font_info.underline_position;
        root->underline_thickness = type1->font_info.underline_thickness;

        root->max_points   = 0;
        root->max_contours = 0;
      }
    }

    /* charmap support - synthetize unicode charmap when possible */
    {
      FT_Face     root    = &face->root;
      FT_CharMap  charmap = face->charmaprecs;


      /* synthesize a Unicode charmap if there is support in the `PSNames' */
      /* module..                                                          */
      if ( face->psnames )
      {
        PSNames_Interface*  psnames = (PSNames_Interface*)face->psnames;


        if ( psnames->unicode_value )
        {
          error = psnames->build_unicodes(
                    root->memory,
                    face->type1.num_glyphs,
                    (const char**)face->type1.glyph_names,
                    &face->unicode_map );
          if ( !error )
          {
            root->charmap        = charmap;
            charmap->face        = (FT_Face)face;
            charmap->encoding    = ft_encoding_unicode;
            charmap->platform_id = 3;
            charmap->encoding_id = 1;
            charmap++;
          }

          /* simply clear the error in case of failure (which really) */
          /* means that out of memory or no unicode glyph names       */
          error = 0;
        }
      }

      /* now, support either the standard, expert, or custom encodings */
      charmap->face        = (FT_Face)face;
      charmap->platform_id = 7;  /* a new platform id for Adobe fonts ?? */

      switch ( face->type1.encoding_type )
      {
      case t1_encoding_standard:
        charmap->encoding    = ft_encoding_adobe_standard;
        charmap->encoding_id = 0;
        break;

      case t1_encoding_expert:
        charmap->encoding    = ft_encoding_adobe_expert;
        charmap->encoding_id = 1;
        break;

      default:
        charmap->encoding    = ft_encoding_adobe_custom;
        charmap->encoding_id = 2;
        break;
      }

      root->charmaps     = face->charmaps;
      root->num_charmaps = charmap - face->charmaprecs + 1;
      face->charmaps[0]  = &face->charmaprecs[0];
      face->charmaps[1]  = &face->charmaprecs[1];
    }

  Leave:
    Done_Tokenizer( tokenizer );

  Fail:
    return error;
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Done_GlyphSlot                                                  */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The glyph slot object destructor.                                  */
  /*                                                                       */
  /* <Input>                                                               */
  /*    glyph :: The glyph slot handle to destroy.                         */
  /*                                                                       */
  LOCAL_FUNC
  void  T1_Done_GlyphSlot( T1_GlyphSlot  glyph )
  {
#ifndef T1_CONFIG_OPTION_DISABLE_HINTER

    T1_Done_Glyph_Hinter( glyph );

#else

    FT_UNUSED( glyph );

#endif
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    T1_Init_GlyphSlot                                                  */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The glyph slot object constructor.                                 */
  /*                                                                       */
  /* <Input>                                                               */
  /*    glyph :: The glyph slot handle to initialize.                      */
  /*                                                                       */
  LOCAL_FUNC
  FT_Error  T1_Init_GlyphSlot( T1_GlyphSlot  glyph )
  {
    FT_Error    error = FT_Err_Ok;


#ifndef T1_CONFIG_OPTION_DISABLE_HINTER

    error = T1_New_Glyph_Hinter( glyph );

#else

    FT_UNUSED( glyph );

#endif

    return error;
  }


/* END */
Commit	Line	Data
	1	/***************************************************************************/
	2	/* */
	3	/* t1objs.c */
	4	/* */
	5	/* Type 1 objects manager (body). */
	6	/* */
	7	/* Copyright 1996-2000 by */
	8	/* David Turner, Robert Wilhelm, and Werner Lemberg. */
	9	/* */
	10	/* This file is part of the FreeType project, and may only be used, */
	11	/* modified, and distributed under the terms of the FreeType project */
	12	/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
	13	/* this file you indicate that you have read the license and */
	14	/* understand and accept it fully. */
	15	/* */
	16	/***************************************************************************/
	17
	18
	19	#include <freetype/internal/ftdebug.h>
	20	#include <freetype/internal/ftstream.h>
	21
	22
	23	#ifdef FT_FLAT_COMPILE
	24
	25	#include "t1gload.h"
	26	#include "t1load.h"
	27	#include "t1afm.h"
	28
	29	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	30	#include "t1hinter.h"
	31	#endif
	32
	33	#else /* FT_FLAT_COMPILE */
	34
	35	#include <type1/t1gload.h>
	36	#include <type1/t1load.h>
	37	#include <type1/t1afm.h>
	38
	39	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	40	#include <type1/t1hinter.h>
	41	#endif
	42
	43	#endif /* FT_FLAT_COMPILE */
	44
	45
	46	#include <freetype/internal/psnames.h>
	47
	48
	49	/*************************************************************************/
	50	/* */
	51	/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
	52	/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
	53	/* messages during execution. */
	54	/* */
	55	#undef FT_COMPONENT
	56	#define FT_COMPONENT trace_t1objs
	57
	58
	59	/*************************************************************************/
	60	/* */
	61	/* SIZE FUNCTIONS */
	62	/* */
	63	/*************************************************************************/
	64
	65
	66	/*************************************************************************/
	67	/* */
	68	/* <Function> */
	69	/* T1_Done_Size */
	70	/* */
	71	/* <Description> */
	72	/* The Type 1 size object destructor. Used to discard a given size */
	73	/* object. */
	74	/* */
	75	/* <Input> */
	76	/* size :: A handle to the target size object. */
	77	/* */
	78	LOCAL_FUNC
	79	void T1_Done_Size( T1_Size size )
	80	{
	81	if ( size )
	82	{
	83
	84	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	85	T1_Done_Size_Hinter( size );
	86	#endif
	87
	88	size->valid = 0;
	89	}
	90	}
	91
	92
	93	/*************************************************************************/
	94	/* */
	95	/* <Function> */
	96	/* T1_Init_Size */
	97	/* */
	98	/* <Description> */
	99	/* The size object initializer. */
	100	/* */
	101	/* <Input> */
	102	/* size :: A handle to the target size object. */
	103	/* */
	104	/* <Return> */
	105	/* FreeTrue error code. 0 means success. */
	106	/* */
	107	LOCAL_DEF
	108	FT_Error T1_Init_Size( T1_Size size )
	109	{
	110	FT_Error error;
	111
	112
	113	size->valid = 0;
	114
	115	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	116	error = T1_New_Size_Hinter( size );
	117
	118	return error;
	119	#else
	120
	121	FT_UNUSED( error );
	122
	123	return T1_Err_Ok;
	124
	125	#endif
	126	}
	127
	128
	129	/*************************************************************************/
	130	/* */
	131	/* <Function> */
	132	/* T1_Reset_Size */
	133	/* */
	134	/* <Description> */
	135	/* Resets an instance to a new pointsize/transform. This function is */
	136	/* in charge of resetting the blue zones,a s well as the stem snap */
	137	/* tables for a given size. */
	138	/* */
	139	/* <Input> */
	140	/* size :: The target size object. */
	141	/* */
	142	/* <Output> */
	143	/* FreeType error code. 0 means success. */
	144	/* */
	145	LOCAL_FUNC
	146	FT_Error T1_Reset_Size( T1_Size size )
	147	{
	148	/* recompute ascender, descender, etc. */
	149	T1_Face face = (T1_Face)size->root.face;
	150	FT_Size_Metrics* metrics = &size->root.metrics;
	151
	152
	153	if ( metrics->x_ppem < 1 \|\| metrics->y_ppem < 1 )
	154	return FT_Err_Invalid_Argument;
	155
	156	/* Compute root ascender, descender, test height, and max_advance */
	157	metrics->ascender = ( FT_MulFix( face->root.ascender,
	158	metrics->y_scale ) + 32 ) & -64;
	159	metrics->descender = ( FT_MulFix( face->root.descender,
	160	metrics->y_scale ) + 32 ) & -64;
	161	metrics->height = ( FT_MulFix( face->root.height,
	162	metrics->y_scale ) + 32 ) & -64;
	163	metrics->max_advance = ( FT_MulFix( face->root.max_advance_width,
	164	metrics->x_scale ) + 32 ) & -64;
	165
	166	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	167	return T1_Reset_Size_Hinter( size );
	168	#else
	169	return 0;
	170	#endif
	171	}
	172
	173
	174	/*************************************************************************/
	175	/* */
	176	/* FACE FUNCTIONS */
	177	/* */
	178	/*************************************************************************/
	179
	180
	181	/*************************************************************************/
	182	/* */
	183	/* <Function> */
	184	/* T1_Done_Face */
	185	/* */
	186	/* <Description> */
	187	/* The face object destructor. */
	188	/* */
	189	/* <Input> */
	190	/* face :: A typeless pointer to the face object to destroy. */
	191	/* */
	192	LOCAL_FUNC
	193	void T1_Done_Face( T1_Face face )
	194	{
	195	FT_Memory memory;
	196	T1_Font* type1 = &face->type1;
	197
	198
	199	if ( face )
	200	{
	201	memory = face->root.memory;
	202
	203	/* release font info strings */
	204	{
	205	T1_FontInfo* info = &type1->font_info;
	206
	207
	208	FREE( info->version );
	209	FREE( info->notice );
	210	FREE( info->full_name );
	211	FREE( info->family_name );
	212	FREE( info->weight );
	213	}
	214
	215	/* release top dictionary */
	216	FREE( type1->charstrings_len );
	217	FREE( type1->charstrings );
	218	FREE( type1->glyph_names );
	219
	220	FREE( type1->subrs );
	221	FREE( type1->subrs_len );
	222
	223	FREE( type1->subrs_block );
	224	FREE( type1->charstrings_block );
	225	FREE( type1->glyph_names_block );
	226
	227	FREE( type1->encoding.char_index );
	228	FREE( type1->font_name );
	229
	230	#ifndef T1_CONFIG_OPTION_NO_AFM
	231	/* release afm data if present */
	232	if ( face->afm_data )
	233	T1_Done_AFM( memory, (T1_AFM*)face->afm_data );
	234	#endif
	235
	236	/* release unicode map, if any */
	237	FREE( face->unicode_map.maps );
	238	face->unicode_map.num_maps = 0;
	239
	240	face->root.family_name = 0;
	241	face->root.style_name = 0;
	242	}
	243	}
	244
	245
	246	/*************************************************************************/
	247	/* */
	248	/* <Function> */
	249	/* T1_Init_Face */
	250	/* */
	251	/* <Description> */
	252	/* The face object constructor. */
	253	/* */
	254	/* <Input> */
	255	/* stream :: input stream where to load font data. */
	256	/* */
	257	/* face_index :: The index of the font face in the resource. */
	258	/* */
	259	/* num_params :: Number of additional generic parameters. Ignored. */
	260	/* */
	261	/* params :: Additional generic parameters. Ignored. */
	262	/* */
	263	/* <InOut> */
	264	/* face :: The face record to build. */
	265	/* */
	266	/* <Return> */
	267	/* FreeType error code. 0 means success. */
	268	/* */
	269	LOCAL_FUNC
	270	FT_Error T1_Init_Face( FT_Stream stream,
	271	T1_Face face,
	272	FT_Int face_index,
	273	FT_Int num_params,
	274	FT_Parameter* params )
	275	{
	276	T1_Tokenizer tokenizer;
	277	FT_Error error;
	278	PSNames_Interface* psnames;
	279
	280	FT_UNUSED( num_params );
	281	FT_UNUSED( params );
	282	FT_UNUSED( face_index );
	283	FT_UNUSED( face );
	284
	285
	286	face->root.num_faces = 1;
	287
	288	psnames = (PSNames_Interface*)face->psnames;
	289	if ( !psnames )
	290	{
	291	psnames = (PSNames_Interface*)
	292	FT_Get_Module_Interface( FT_FACE_LIBRARY( face ),
	293	"psnames" );
	294
	295	face->psnames = psnames;
	296	}
	297
	298	/* open the tokenizer, this will also check the font format */
	299	error = New_Tokenizer( stream, &tokenizer );
	300	if ( error )
	301	goto Fail;
	302
	303	/* if we just wanted to check the format, leave successfully now */
	304	if ( face_index < 0 )
	305	goto Leave;
	306
	307	/* check the face index */
	308	if ( face_index != 0 )
	309	{
	310	FT_ERROR(( "T1_Init_Face: invalid face index\n" ));
	311	error = T1_Err_Invalid_Argument;
	312	goto Leave;
	313	}
	314
	315	/* Now, load the font program into the face object */
	316	{
	317	T1_Parser parser;
	318
	319
	320	Init_T1_Parser( &parser, face, tokenizer );
	321	error = Parse_T1_FontProgram( &parser );
	322	if ( error )
	323	goto Leave;
	324
	325	/* Init the face object fields */
	326	/* Now set up root face fields */
	327	{
	328	FT_Face root = (FT_Face)&face->root;
	329	T1_Font* type1 = &face->type1;
	330
	331
	332	root->num_glyphs = type1->num_glyphs;
	333	root->num_charmaps = 1;
	334
	335	root->face_index = face_index;
	336	root->face_flags = FT_FACE_FLAG_SCALABLE;
	337
	338	root->face_flags \|= FT_FACE_FLAG_HORIZONTAL;
	339
	340	root->face_flags \|= FT_FACE_FLAG_GLYPH_NAMES;
	341
	342	if ( type1->font_info.is_fixed_pitch )
	343	root->face_flags \|= FT_FACE_FLAG_FIXED_WIDTH;
	344
	345	/* XXX: TODO -- add kerning with .afm support */
	346
	347	/* get style name - be careful, some broken fonts only */
	348	/* have a `/FontName' dictionary entry! */
	349	root->family_name = type1->font_info.family_name;
	350	if ( root->family_name )
	351	{
	352	char* full = type1->font_info.full_name;
	353	char* family = root->family_name;
	354
	355
	356	while ( family && full == *family )
	357	{
	358	family++;
	359	full++;
	360	}
	361
	362	root->style_name = ( *full == ' ' ? full + 1
	363	: (char *)"Regular" );
	364	}
	365	else
	366	{
	367	/* do we have a `/FontName'? */
	368	if (type1->font_name)
	369	{
	370	root->family_name = type1->font_name;
	371	root->style_name = "Regular";
	372	}
	373	}
	374
	375	/* no embedded bitmap support */
	376	root->num_fixed_sizes = 0;
	377	root->available_sizes = 0;
	378
	379	root->bbox = type1->font_bbox;
	380	root->units_per_EM = 1000;
	381	root->ascender = (FT_Short)type1->font_bbox.yMax;
	382	root->descender = -(FT_Short)type1->font_bbox.yMin;
	383	root->height = ( ( root->ascender + root->descender) * 12 )
	384	/ 10;
	385
	386	/* now compute the maximum advance width */
	387
	388	root->max_advance_width = type1->private_dict.standard_width[0];
	389
	390	/* compute max advance width for proportional fonts */
	391	if ( !type1->font_info.is_fixed_pitch )
	392	{
	393	FT_Int max_advance;
	394
	395
	396	error = T1_Compute_Max_Advance( face, &max_advance );
	397
	398	/* in case of error, keep the standard width */
	399	if ( !error )
	400	root->max_advance_width = max_advance;
	401	else
	402	error = 0; /* clear error */
	403	}
	404
	405	root->max_advance_height = root->height;
	406
	407	root->underline_position = type1->font_info.underline_position;
	408	root->underline_thickness = type1->font_info.underline_thickness;
	409
	410	root->max_points = 0;
	411	root->max_contours = 0;
	412	}
	413	}
	414
	415	/* charmap support - synthetize unicode charmap when possible */
	416	{
	417	FT_Face root = &face->root;
	418	FT_CharMap charmap = face->charmaprecs;
	419
	420
	421	/* synthesize a Unicode charmap if there is support in the `PSNames' */
	422	/* module.. */
	423	if ( face->psnames )
	424	{
	425	PSNames_Interface* psnames = (PSNames_Interface*)face->psnames;
	426
	427
	428	if ( psnames->unicode_value )
	429	{
	430	error = psnames->build_unicodes(
	431	root->memory,
	432	face->type1.num_glyphs,
	433	(const char**)face->type1.glyph_names,
	434	&face->unicode_map );
	435	if ( !error )
	436	{
	437	root->charmap = charmap;
	438	charmap->face = (FT_Face)face;
	439	charmap->encoding = ft_encoding_unicode;
	440	charmap->platform_id = 3;
	441	charmap->encoding_id = 1;
	442	charmap++;
	443	}
	444
	445	/* simply clear the error in case of failure (which really) */
	446	/* means that out of memory or no unicode glyph names */
	447	error = 0;
	448	}
	449	}
	450
	451	/* now, support either the standard, expert, or custom encodings */
	452	charmap->face = (FT_Face)face;
	453	charmap->platform_id = 7; /* a new platform id for Adobe fonts ?? */
	454
	455	switch ( face->type1.encoding_type )
	456	{
	457	case t1_encoding_standard:
	458	charmap->encoding = ft_encoding_adobe_standard;
	459	charmap->encoding_id = 0;
	460	break;
	461
	462	case t1_encoding_expert:
	463	charmap->encoding = ft_encoding_adobe_expert;
	464	charmap->encoding_id = 1;
	465	break;
	466
	467	default:
	468	charmap->encoding = ft_encoding_adobe_custom;
	469	charmap->encoding_id = 2;
	470	break;
	471	}
	472
	473	root->charmaps = face->charmaps;
	474	root->num_charmaps = charmap - face->charmaprecs + 1;
	475	face->charmaps[0] = &face->charmaprecs[0];
	476	face->charmaps[1] = &face->charmaprecs[1];
	477	}
	478
	479	Leave:
	480	Done_Tokenizer( tokenizer );
	481
	482	Fail:
	483	return error;
	484	}
	485
	486
	487	/*************************************************************************/
	488	/* */
	489	/* <Function> */
	490	/* T1_Done_GlyphSlot */
	491	/* */
	492	/* <Description> */
	493	/* The glyph slot object destructor. */
	494	/* */
	495	/* <Input> */
	496	/* glyph :: The glyph slot handle to destroy. */
	497	/* */
	498	LOCAL_FUNC
	499	void T1_Done_GlyphSlot( T1_GlyphSlot glyph )
	500	{
	501	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	502
	503	T1_Done_Glyph_Hinter( glyph );
	504
	505	#else
	506
	507	FT_UNUSED( glyph );
	508
	509	#endif
	510	}
	511
	512
	513	/*************************************************************************/
	514	/* */
	515	/* <Function> */
	516	/* T1_Init_GlyphSlot */
	517	/* */
	518	/* <Description> */
	519	/* The glyph slot object constructor. */
	520	/* */
	521	/* <Input> */
	522	/* glyph :: The glyph slot handle to initialize. */
	523	/* */
	524	LOCAL_FUNC
	525	FT_Error T1_Init_GlyphSlot( T1_GlyphSlot glyph )
	526	{
	527	FT_Error error = FT_Err_Ok;
	528
	529
	530	#ifndef T1_CONFIG_OPTION_DISABLE_HINTER
	531
	532	error = T1_New_Glyph_Hinter( glyph );
	533
	534	#else
	535
	536	FT_UNUSED( glyph );
	537
	538	#endif
	539
	540	return error;
	541	}
	542
	543
	544	/* END */