[wxWidgets.git] / 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
cabec872 RR	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 */