Example #1
0
  static void
  Print_Cmap( void )
  {
     TT_CharMap      charmap;
     TT_UShort       glyph_index;
     TT_Long         char_index;
     unsigned short  n, i;
     unsigned short  platform, encoding;


     printf( gettext( "ftxcmap test\n" ) );
     separator_line( stdout, 78 );

     n = properties.num_CharMaps;
     if ( n == 0 )
     {
       printf( gettext(
               "The file doesn't seem to have any encoding table.\n" ) );
       return;
     }

     printf( gettext( "There are %hu encodings:\n\n" ), n );

     for ( i = 0; i < n; i++ )
     {

       TT_Get_CharMap_ID( face, i, &platform, &encoding );
       printf( gettext( "encoding %2u:\n" ), i );

       TT_Get_CharMap( face, i, &charmap);

       char_index = TT_CharMap_First( charmap, &glyph_index );
       printf( gettext( "first: glyph index %hu, character code 0x%lx\n" ),
               glyph_index, char_index );

       char_index  = TT_CharMap_Next( charmap, char_index, &glyph_index );
       printf( gettext( "next:  glyph index %hu, character code 0x%lx\n" ),
               glyph_index, char_index );

       char_index  = TT_CharMap_Last( charmap, &glyph_index );
       printf( gettext( "last:  glyph index %hu, character code 0x%lx\n" ),
               glyph_index, char_index );
     }

     printf( "\n" );
     separator_line( stdout, 78 );
  }
Example #2
0
SWFFont loadSWFFontfromTTF(char *filename)
{
  int i;

  TT_Engine *engine;
  TT_Face face;
  TT_Instance instance;
  TT_Glyph glyph;
  TT_Glyph_Metrics metrics;
  TT_Outline outline;
  TT_CharMap charmap;
  TT_Face_Properties properties;
  TT_UShort pid, eid;

  TT_Init_FreeType(engine);

  error = TT_Open_Face(engine, filename, &face);

  if(error)
    fprintf(stderr, "Could not open face.\n");

  TT_Get_Face_Properties(face, &properties);

  for(i=0; i<properties->num_CharMaps; ++i)
    TT_Get_CharMap_ID(face, i, &pid, &eid);

  TT_Get_CharMap(face, charmapIndex, &charmap);

  TT_New_Instance(face, &instance);

  TT_New_Glyph(face, &glyph);

  for(i=0; i<whatever; ++i)
  {
    TT_Load_Glyph(instance, glyph, TT_Char_Index(charmap, i), loadFlags);

    TT_Get_Glyph_Outline(glyph, &outline);

    TT_Get_Glyph_Metrics(glyph, &metrics);
  }

  TT_Done_FreeType(engine);
}
Example #3
0
static void ttf_get_nice_charmap(TT_Face face,
				 TT_CharMap *charMap,
				 char *where)
{
   int n,i,res,got=-1,best=-1;
   if (-1==(n=TT_Get_CharMap_Count(face)))
      Pike_error("%s: illegal face handle\n",where);

   for (i=0; i<n; i++)
   {
      int ihas=0;
      TT_UShort platformID, encodingID;

      if ((res=TT_Get_CharMap_ID(face, (TT_UShort)i,
				 &platformID, &encodingID)))
	 my_tt_error(where,"TT_Get_CharMap_ID: ",res);

      switch (platformID*100+encodingID)
      {
	 case 301: /* M$:  unicode */
	 case 300: /* M$:  unicode (?) */
	    ihas=30;
	    break;
	 case 202: /* ISO: iso-8859-1 */
	    ihas=20;
	    break;
       default:
            ihas = 1;
	    break;
      }

      if (ihas>got)
      {
	 best=i;
	 got=ihas;
      }
   }
   if (got==-1)
      Pike_error("%s: no charmaps at all\n",where);

   if ((res=TT_Get_CharMap(face, (TT_UShort)best, charMap)))
      my_tt_error(where,"TT_Get_CharMap: ",res);
}
Example #4
0
void
TTFopen(char *filename, Font *fnt, int new_dpi, int new_ptsize, Boolean quiet)
{
  unsigned short i, num_cmap;
  unsigned short cmap_plat;
  unsigned short cmap_enc;
  TT_Error error;

  TT_UShort script_index, language_index, feature_index;
  TT_UShort req_feature_index = 0xFFFF;


  dpi = new_dpi;
  ptsize = new_ptsize;

  if ((error = TT_Init_FreeType(&engine)))
    oops("Cannot initialize FreeType engine (error code = 0x%x).", error);

  if (fnt->PSnames)
    if ((error = TT_Init_Post_Extension(engine)))
      oops("Cannot initialize PS name support (error code = 0x%x).", error);

  if (fnt->rotate)
    if ((error = TT_Init_GSUB_Extension(engine)))
      oops("Cannot initialize GSUB support (error code = 0x%x).", error);

  /*
   *   Load face.
   */

  error = TT_Open_Face(engine, filename, &face);
  if (error)
    oops("Cannot open `%s'.", filename);

  /*
   *   Get face properties and allocate preloaded arrays.
   */

  TT_Get_Face_Properties(face, &properties);

  /*
   *   Now we try to open the proper font in a collection.
   */

  if (fnt->fontindex != 0)
  {
    if (properties.num_Faces == 1)
      warning("This isn't a TrueType collection.\n"
              "Parameter `Fontindex' is ignored.");
    else
    {
      TT_Close_Face(face);
      if ((error = TT_Open_Collection(engine, filename,
                                      fnt->fontindex, &face)))
        oops("Cannot open font %lu in TrueType Collection `%s'.",
             fnt->fontindex, filename);
    }
  }

  /*
   *   Create instance.
   */
  
  if ((error = TT_New_Instance(face, &instance)))
    oops("Cannot create instance for `%s' (error code = 0x%x).",
         filename, error);

  if ((error = TT_Set_Instance_Resolutions(instance, dpi, dpi)))
    oops("Cannot set device resolutions (error code = 0x%x).");

  if ((error = TT_Set_Instance_CharSize(instance, ptsize * 64)))
    oops("Cannot set character size (error code = 0x%x).", error);

  ppem = (dpi * ptsize + 36) / 72;

  if (!quiet)
    printf("dpi = %d, ptsize = %d, ppem = %d\n\n", dpi, ptsize, ppem);

  matrix1.xx = (TT_Fixed)(floor(fnt->efactor * 1024) * (1<<16)/1024);
  matrix1.xy = (TT_Fixed)(floor(fnt->slant * 1024) * (1<<16)/1024);
  matrix1.yx = (TT_Fixed)0;
  matrix1.yy = (TT_Fixed)(1<<16);

  if (fnt->rotate)
  {
    matrix2.xx = 0;
    matrix2.yx = 1L << 16;
    matrix2.xy = -matrix2.yx;
    matrix2.yy = matrix2.xx;
  }

  if ((error = TT_Set_Instance_Transform_Flags(
                 instance,
                 fnt->rotate ? 1 : 0,
                 fnt->efactor != 1.0 ? 1 : 0)))
    oops("Cannot set transform flags (error code = 0x%x).", error);

  /*
   *   Create glyph container.
   */

  if ((error = TT_New_Glyph(face, &glyph)))
    oops("Cannot create glyph container (error code = 0x%x).");

  if (fnt->PSnames != Only)
  {
    num_cmap = properties.num_CharMaps;
    for (i = 0; i < num_cmap; i++)
    {
      if ((error = TT_Get_CharMap_ID(face, i, &cmap_plat, &cmap_enc)))
        oops("Cannot query cmap (error code = 0x%x).", error);
      if (cmap_plat == fnt->pid && cmap_enc == fnt->eid)
        break;
    }
    if (i == num_cmap)
      oops("Invalid platform and/or encoding ID.");
  
    if ((error = TT_Get_CharMap(face, i, &char_map)))
      oops("Cannot load cmap (error code = 0x%x).", error);
  }

  if (fnt->PSnames)
  {
    if ((error = TT_Load_PS_Names(face, &post)))
      oops("Cannot load TrueType PS names (error code = 0x%x).", error);
  }
  else if (cmap_plat == Microsoft_platform &&
           cmap_enc == Microsoft_Unicode_encoding)
    set_encoding_scheme(encUnicode, fnt);
  else if (cmap_plat == Macintosh_platform &&
           cmap_enc == Macintosh_encoding)
    set_encoding_scheme(encMac, fnt);
  else
    set_encoding_scheme(encFontSpecific, fnt);

  if (fnt->rotate)
  {
    gsub = &gsub_;

    error = TT_Load_GSUB_Table(face, gsub, NULL);
    if (!error)
      has_gsub = True;
    else if (error != TT_Err_Table_Missing)
      warning("Cannot load GSUB table (error code = 0x%x).", error);
    else
      warning("No GSUB data available "
              "for vertical glyph presentation forms.");

    /* we check for the `vert' feature in Chinese, Japanese, and Korean */

    error = TT_GSUB_Select_Script(gsub,
                                  SCRIPT_kana,
                                  &script_index);
    if (error)
      goto check_hani;
    error = TT_GSUB_Select_Feature(gsub,
                                   FEATURE_vert,
                                   script_index,
                                   0xFFFF,
                                   &feature_index);
    if (error)
    {
      error = TT_GSUB_Select_Language(gsub,
                                      LANGUAGE_JAN,
                                      script_index,
                                      &language_index,
                                      &req_feature_index);
      if (error)
        goto check_hani;
      error = TT_GSUB_Select_Feature(gsub,
                                     FEATURE_vert,
                                     script_index,
                                     language_index,
                                     &feature_index);
      if (error)
        goto check_hani;
      else
        goto Done;
    }
    else
      goto Done;

  check_hani:
    error = TT_GSUB_Select_Script(gsub,
                                  SCRIPT_hani,
                                  &script_index);
    if (error)
      goto check_hang;
    error = TT_GSUB_Select_Feature(gsub,
                                   FEATURE_vert,
                                   script_index,
                                   0xFFFF,
                                   &feature_index);
    if (error)
    {
      error = TT_GSUB_Select_Language(gsub,
                                      LANGUAGE_CHN,
                                      script_index,
                                      &language_index,
                                      &req_feature_index);
      if (error)
        goto check_hang;
      error = TT_GSUB_Select_Feature(gsub,
                                     FEATURE_vert,
                                     script_index,
                                     language_index,
                                     &feature_index);
      if (error)
        goto check_hang;
      else
        goto Done;
    }
    else
      goto Done;

  check_hang:
    error = TT_GSUB_Select_Script(gsub,
                                  SCRIPT_hang,
                                  &script_index);
    if (error)
      goto Done;
    error = TT_GSUB_Select_Feature(gsub,
                                   FEATURE_vert,
                                   script_index,
                                   0xFFFF,
                                   &feature_index);
    if (error)
    {
      error = TT_GSUB_Select_Language(gsub,
                                      LANGUAGE_KOR,
                                      script_index,
                                      &language_index,
                                      &req_feature_index);
      if (error)
        goto Done;
      error = TT_GSUB_Select_Feature(gsub,
                                     FEATURE_vert,
                                     script_index,
                                     language_index,
                                     &feature_index);
    }

  Done:
    if (error)
    {
      warning("There is no data for vertical typesetting in GSUB table.");
      has_gsub = False;
    }

    if (req_feature_index != 0xFFFF)
      TT_GSUB_Add_Feature(gsub, req_feature_index, ALL_GLYPHS);
    TT_GSUB_Add_Feature(gsub, feature_index, ALL_GLYPHS);

    in.length = 1;
    in.pos = 0;
    in.string = in_string;
    in.properties = NULL;

    out.pos = 0;
    out.allocated = 0;
    out.string = NULL;
    out.properties = NULL;
  }
}
Example #5
0
TTF_Font *TTF_OpenFont(const char *file, int ptsize)
{
	TTF_Font *font;
	TT_Face_Properties properties;
	TT_Instance_Metrics imetrics;
	int i, n;
	TT_UShort platform, encoding;
	TT_Error error;

	font = (TTF_Font *)malloc(sizeof(*font));
	if ( font == NULL ) {
		SDL_SetError("Out of memory");
		return(NULL);
	}
	memset(font, 0, sizeof(*font));

	/* Open the font and create ancillary data */
	error = TT_Open_Face(engine, file, &font->face);
	if ( error ) {
		SDL_SetError("Couldn't load font file");
		free(font);
		return(NULL);
	}
	error = TT_New_Glyph(font->face, &font->glyph);
	if ( error ) {
		SDL_SetError("Couldn't create glyph container");
		TTF_CloseFont(font);
		return(NULL);
	}
	error = TT_New_Instance(font->face, &font->inst);
	if ( error ) {
		SDL_SetError("Couldn't create font instance");
		TTF_CloseFont(font);
		return(NULL);
	}

	/* Set the display resolution */
	error = TT_Set_Instance_Resolutions(font->inst, 72, 72);
	if ( error ) {
		SDL_SetError("Couldn't set font resolution");
		TTF_CloseFont(font);
		return(NULL);
	}
	error = TT_Set_Instance_CharSize(font->inst, ptsize*64);
	if ( error ) {
		SDL_SetError("Couldn't set font size");
		TTF_CloseFont(font);
		return(NULL);
	}

	/* Get a Unicode mapping for this font */
	n = TT_Get_CharMap_Count(font->face);
	for ( i=0; i<n; ++i ) {
		TT_Get_CharMap_ID(font->face, i, &platform, &encoding);
		if ( ((platform == TT_PLATFORM_MICROSOFT) &&
		                  (encoding == TT_MS_ID_UNICODE_CS)) ||
		     ((platform == TT_PLATFORM_APPLE_UNICODE) &&
		                  (encoding == TT_APPLE_ID_DEFAULT)) ) {
			TT_Get_CharMap(font->face, i, &font->map);
			break;
		}
	}
	if ( i == n ) {
		SDL_SetError("Font doesn't have a Unicode mapping");
		TTF_CloseFont(font);
		return(NULL);
	}

	/* Get the font metrics for this font */
	TT_Get_Face_Properties(font->face, &properties );
	TT_Get_Instance_Metrics(font->inst, &imetrics);
	font->pointsize = imetrics.y_ppem;
	font->ascent = (float)properties.horizontal->Ascender /
	                properties.header->Units_Per_EM;
	font->ascent *= font->pointsize;
	font->descent = (float)properties.horizontal->Descender /
	                 properties.header->Units_Per_EM;
	font->descent *= font->pointsize;
	font->lineskip = (float)properties.horizontal->Line_Gap /
	                  properties.header->Units_Per_EM;
	font->lineskip *= font->pointsize;
	font->height = round(font->ascent - font->descent);

	/* Set the default font style */
	font->style = TTF_STYLE_NORMAL;
	font->glyph_overhang = font->pointsize/10;
	/* x offset = cos(((90.0-12)/360)*2*M_PI), or 12 degree angle */
	font->glyph_italics = 0.207;
	font->glyph_italics *= font->height;

	return(font);
}
Example #6
0
void
readttf(Font *fnt, Boolean quiet, Boolean only_range)
{
  TT_Error error;
  ttfinfo *ti, *Ti;
  long Num, index;
  unsigned int i, j;
  long k, max_k;
  unsigned short num_cmap;
  unsigned short cmap_plat, cmap_enc;
  int index_array[257];

  static Boolean initialized = False;

  TT_UShort in_string[2];
  TTO_GSUB_String in, out;

  TT_UShort script_index, language_index, feature_index;
  TT_UShort req_feature_index = 0xFFFF;


  /*
   *   We allocate a placeholder boundary and the `.notdef' character.
   */

  if (!only_range)
  {
    ti = newchar(fnt);
    ti->charcode = -1;
    ti->adobename = ".notdef";

    ti = newchar(fnt);
    ti->charcode = -1;
    ti->adobename = "||"; /* boundary character name */
  }

  /*
   *   Initialize FreeType engine.
   */

  if (!initialized)
  {
    if ((error = TT_Init_FreeType(&engine)))
      oops("Cannot initialize engine (error code = 0x%x).", error);

    if ((error = TT_Init_Kerning_Extension(engine)))
      oops("Cannot initialize kerning (error code = 0x%x).", error);

    if (fnt->PSnames)
      if ((error = TT_Init_Post_Extension(engine)))
        oops("Cannot initialize PS name support (error code = 0x%x).", error);

    if (fnt->rotate)
      if ((error = TT_Init_GSUB_Extension(engine)))
        oops("Cannot initialize GSUB support (error code = 0x%x).", error);

    /*
     *   Load face.
     */

    real_ttfname = TeX_search_ttf_file(&(fnt->ttfname));
    if (!real_ttfname)
      oops("Cannot find `%s'.", fnt->ttfname);

    if ((error = TT_Open_Face(engine, real_ttfname, &face)))
      oops("Cannot open `%s'.", real_ttfname);

    /*
     *   Get face properties and allocate preload arrays.
     */

    TT_Get_Face_Properties(face, &properties);

    /*
     *   Now we try to open the proper font in a collection.
     */

    if (fnt->fontindex != 0)
    {
      if (properties.num_Faces == 1)
      {
        warning("This isn't a TrueType collection.\n"
                "Parameter `-f' is ignored.");
        fnt->fontindex = 0;
        fnt->fontindexparam = NULL;
      }
      else
      {
        TT_Close_Face(face);
        if ((error = TT_Open_Collection(engine, real_ttfname,
                                        fnt->fontindex, &face)))
          oops("Cannot open font %lu in TrueType Collection `%s'.",
               fnt->fontindex, real_ttfname);
      }
    }

    /*
     *   Create instance.
     */

    if ((error = TT_New_Instance(face, &instance)))
      oops("Cannot create instance for `%s' (error code = 0x%x).",
           real_ttfname, error);

    /*
     *   We use a dummy glyph size of 10pt.
     */

    if ((error = TT_Set_Instance_CharSize(instance, 10 * 64)))
      oops("Cannot set character size (error code = 0x%x).", error);

    matrix1.xx = (TT_Fixed)(floor(fnt->efactor * 1024) * (1L<<16)/1024);
    matrix1.xy = (TT_Fixed)(floor(fnt->slant * 1024) * (1L<<16)/1024);
    matrix1.yx = (TT_Fixed)0;
    matrix1.yy = (TT_Fixed)(1L<<16);

    if (fnt->rotate)
    {
      matrix2.xx = 0;
      matrix2.yx = 1L << 16;
      matrix2.xy = -matrix2.yx;
      matrix2.yy = matrix2.xx;
    }

    if ((error = TT_Set_Instance_Transform_Flags(
                   instance,
                   fnt->rotate ? 1 : 0,
                   fnt->efactor != 1.0 ? 1 : 0)))
      oops("Cannot set transform flags (error code = 0x%x).", error);

    /*
     *   Create glyph container.
     */

    if ((error = TT_New_Glyph(face, &glyph)))
      oops("Cannot create glyph container (error code = 0x%x).", error);

    fnt->units_per_em = properties.header->Units_Per_EM;
    fnt->fixedpitch = properties.postscript->isFixedPitch;
    fnt->italicangle = properties.postscript->italicAngle / 65536.0;

    if (fnt->PSnames != Only)
    {
      num_cmap = properties.num_CharMaps;
      for (i = 0; i < num_cmap; i++)
      {
        if ((error = TT_Get_CharMap_ID(face, i, &cmap_plat, &cmap_enc)))
          oops("Cannot query cmap (error code = 0x%x).", error);
        if (cmap_plat == fnt->pid && cmap_enc == fnt->eid)
          break;
      }
      if (i == num_cmap)
      {
        fprintf(stderr, "%s: ERROR: Invalid platform and/or encoding ID.\n",
                progname);
        if (num_cmap == 1)
          fprintf(stderr, "  The only valid PID/EID pair is");
        else
          fprintf(stderr, "  Valid PID/EID pairs are:\n");
        for (i = 0; i < num_cmap; i++)
        {
          TT_Get_CharMap_ID(face, i, &cmap_plat, &cmap_enc);
          fprintf(stderr, "    (%i,%i)\n", cmap_plat, cmap_enc);
        }
        fprintf(stderr, "\n");
        exit(1);
      }

      if ((error = TT_Get_CharMap(face, i, &char_map)))
        oops("Cannot load cmap (error code = 0x%x).", error);
    }

    if (fnt->PSnames)
    {
      if ((error = TT_Load_PS_Names(face, &post)))
        oops("Cannot load TrueType PS names (error code = 0x%x).", error);
    }
    else if (cmap_plat == Microsoft_platform &&
             cmap_enc == Microsoft_Unicode_encoding)
      set_encoding_scheme(encUnicode, fnt);
    else if (cmap_plat == Macintosh_platform &&
             cmap_enc == Macintosh_encoding)
      set_encoding_scheme(encMac, fnt);
    else
      set_encoding_scheme(encFontSpecific, fnt);

    if (fnt->rotate)
    {
      gsub = &gsub_;

      error = TT_Load_GSUB_Table(face, gsub, NULL);
      if (!error)
        has_gsub = True;
      else if (error != TT_Err_Table_Missing)
        warning("Cannot load GSUB table (error code = 0x%x).", error);
      else
        warning("No GSUB data available "
                "for vertical glyph presentation forms.");

      /* we check for the `vert' feature in Chinese, Japanese, and Korean */

      error = TT_GSUB_Select_Script(gsub,
                                    SCRIPT_kana,
                                    &script_index);
      if (error)
        goto check_hani;
      error = TT_GSUB_Select_Feature(gsub,
                                     FEATURE_vert,
                                     script_index,
                                     0xFFFF,
                                     &feature_index);
      if (error)
      {
        error = TT_GSUB_Select_Language(gsub,
                                        LANGUAGE_JAN,
                                        script_index,
                                        &language_index,
                                        &req_feature_index);
        if (error)
          goto check_hani;
        error = TT_GSUB_Select_Feature(gsub,
                                       FEATURE_vert,
                                       script_index,
                                       language_index,
                                       &feature_index);
        if (error)
          goto check_hani;
        else
          goto Done;
      }
      else
        goto Done;

    check_hani:
      error = TT_GSUB_Select_Script(gsub,
                                    SCRIPT_hani,
                                    &script_index);
      if (error)
        goto check_hang;
      error = TT_GSUB_Select_Feature(gsub,
                                     FEATURE_vert,
                                     script_index,
                                     0xFFFF,
                                     &feature_index);
      if (error)
      {
        error = TT_GSUB_Select_Language(gsub,
                                        LANGUAGE_CHN,
                                        script_index,
                                        &language_index,
                                        &req_feature_index);
        if (error)
          goto check_hang;
        error = TT_GSUB_Select_Feature(gsub,
                                       FEATURE_vert,
                                       script_index,
                                       language_index,
                                       &feature_index);
        if (error)
          goto check_hang;
        else
          goto Done;
      }
      else
        goto Done;

    check_hang:
      error = TT_GSUB_Select_Script(gsub,
                                    SCRIPT_hang,
                                    &script_index);
      if (error)
        goto Done;
      error = TT_GSUB_Select_Feature(gsub,
                                     FEATURE_vert,
                                     script_index,
                                     0xFFFF,
                                     &feature_index);
      if (error)
      {
        error = TT_GSUB_Select_Language(gsub,
                                        LANGUAGE_KOR,
                                        script_index,
                                        &language_index,
                                        &req_feature_index);
        if (error)
          goto Done;
        error = TT_GSUB_Select_Feature(gsub,
                                       FEATURE_vert,
                                       script_index,
                                       language_index,
                                       &feature_index);
      }

    Done:
      if (error)
      {
        warning("There is no data for vertical typesetting in GSUB table.");
        has_gsub = False;
      }

      if (req_feature_index != 0xFFFF)
        TT_GSUB_Add_Feature(gsub, req_feature_index, ALL_GLYPHS);
      TT_GSUB_Add_Feature(gsub, feature_index, ALL_GLYPHS);

      in.length = 1;
      in.pos = 0;
      in.string = in_string;
      in.properties = NULL;

      out.pos = 0;
      out.allocated = 0;
      out.string = NULL;
      out.properties = NULL;
    }

    initialized = True;
  }

  if (!quiet)
  {
    if (only_range)
      printf("\n\n%s:\n", fnt->fullname);
    printf("\n");
    printf("Glyph  Code   Glyph Name                ");
    printf("Width  llx    lly      urx    ury\n");
    printf("---------------------------------------");
    printf("---------------------------------\n");
  }

  /*
   *   We load only glyphs with a valid cmap entry.  Nevertheless, for
   *   the default mapping, we use the first 256 glyphs addressed by
   *   ascending code points, followed by glyphs not in the cmap.
   *
   *   If we compute a range, we take the character codes given in
   *   the fnt->sf_code array.
   *
   *   If the -N flag is set, no cmap is used at all.  Instead, the
   *   first 256 glyphs (with a valid PS name) are used for the default
   *   mapping.
   */

  if (!only_range)
    for (i = 0; i < 257; i++)
      index_array[i] = 0;
  else
    for (i = 0; i < 256; i++)
      fnt->inencptrs[i] = 0;

  j = 0;
  if (fnt->PSnames == Only)
    max_k = properties.num_Glyphs - 1;
  else
    max_k = only_range ? 0xFF : 0x16FFFF;

  for (k = 0; k <= max_k; k++)
  {
    char *an;


    if (fnt->PSnames != Only)
    {
      if (only_range)
      {
        index = fnt->sf_code[k];
        if (index < 0)
          continue;
        j = k;
      }
      else
        index = k;

      Num = TT_Char_Index(char_map, index);

      /* now we try to get a vertical glyph form */

      if (has_gsub)
      {
        in_string[0] = Num;
        error = TT_GSUB_Apply_String(gsub, &in, &out);
        if (error && error != TTO_Err_Not_Covered)
          warning("Cannot get the vertical glyph form for glyph index %d.",
                  Num);
        else
          Num = out.string[0];
      }

      if (Num < 0)
        oops("Failure on cmap mapping from %s.", fnt->ttfname);
      if (Num == 0)
        continue;
      if (!only_range)
        if (Num <= 256)
          index_array[Num] = 1;
    }
    else
    {
      Num = k;
      index = 0;
    }

    error = TT_Load_Glyph(instance, glyph, Num, 0);
    if (!error)
      error = TT_Get_Glyph_Big_Metrics(glyph, &metrics);
    if (!error)
      error = TT_Get_Glyph_Outline(glyph, &outline);
    if (!error)
    {
      if (fnt->efactor != 1.0 || fnt->slant != 0.0 )
        TT_Transform_Outline(&outline, &matrix1);
      if (fnt->rotate)
        TT_Transform_Outline(&outline, &matrix2);
    }
    if (!error)
      error = TT_Get_Outline_BBox(&outline, &bbox); /* we need the non-
                                                       grid-fitted bbox */
    if (!error)
    {
      if (fnt->PSnames)
        (void)TT_Get_PS_Name(face, Num, &an);
      else
        an = code_to_adobename(index);

      /* ignore characters not usable for typesetting with TeX */

      if (strcmp(an, ".notdef") == 0)
        continue;
      if (strcmp(an, ".null") == 0)
        continue;
      if (strcmp(an, "nonmarkingreturn") == 0)
        continue;

      ti = newchar(fnt);
      ti->charcode = index;
      ti->glyphindex = Num;
      ti->adobename = an;
      ti->llx = bbox.xMin * 1000 / fnt->units_per_em;
      ti->lly = bbox.yMin * 1000 / fnt->units_per_em;
      ti->urx = bbox.xMax * 1000 / fnt->units_per_em;
      ti->ury = bbox.yMax * 1000 / fnt->units_per_em;

      /*
       *   We must now shift the rotated character both horizontally
       *   and vertically.  The vertical amount is 25% by default.
       */

      if (fnt->rotate)
      {
        ti->llx += (metrics.vertBearingY - bbox.xMin) *
                     1000 / fnt->units_per_em;
        ti->lly -= 1000 * fnt->y_offset;
        ti->urx += (metrics.vertBearingY - bbox.xMin) *
                     1000 / fnt->units_per_em;
        ti->ury -= 1000 * fnt->y_offset;
      }

      /*
       *   We need to avoid negative heights or depths.  They break accents
       *   in math mode, among other things.
       */

      if (ti->lly > 0)
        ti->lly = 0;
      if (ti->ury < 0)
        ti->ury = 0;
      if (fnt->rotate)
        ti->width = metrics.vertAdvance * 1000 / fnt->units_per_em;
      else
        ti->width = transform(metrics.horiAdvance * 1000 / fnt->units_per_em,
                              0, fnt->efactor, fnt->slant);

      if (!quiet)
        printf("%5ld  %05lx  %-25s %5d  % 5d,% 5d -- % 5d,% 5d\n",
               Num, index, ti->adobename,
               ti->width,
               ti->llx, ti->lly, ti->urx, ti->ury);

      if (j < 256)
      {
        fnt->inencptrs[j] = ti;
        ti->incode = j;
      }
      j++;
    }
  }

  /*
   *   Now we load glyphs without a cmap entry, provided some slots are
   *   still free -- we skip this if we have to compute a range or use
   *   PS names.
   */

  if (!only_range && !fnt->PSnames)
  {
    for (i = 1; i <= properties.num_Glyphs; i++)
    {
      char *an;


      if (index_array[i] == 0)
      {
        error = TT_Load_Glyph(instance, glyph, i, 0);
        if (!error)
          error = TT_Get_Glyph_Big_Metrics(glyph, &metrics);
        if (!error)
          error = TT_Get_Glyph_Outline(glyph, &outline);
        if (!error)
          error = TT_Get_Outline_BBox(&outline, &bbox);
        if (!error)
        {
          an = code_to_adobename(i | 0x1000000);

          ti = newchar(fnt);
          ti->charcode = i | 0x1000000;
          ti->glyphindex = i;
          ti->adobename = an;
          ti->llx = bbox.xMin * 1000 / fnt->units_per_em;
          ti->lly = bbox.yMin * 1000 / fnt->units_per_em;
          ti->urx = bbox.xMax * 1000 / fnt->units_per_em;
          ti->ury = bbox.yMax * 1000 / fnt->units_per_em;

          if (ti->lly > 0)
            ti->lly = 0;
          if (ti->ury < 0)
            ti->ury = 0;
          ti->width = transform(metrics.horiAdvance*1000 / fnt->units_per_em,
                                0, fnt->efactor, fnt->slant);

          if (!quiet)
            printf("%5d         %-25s %5d  % 5d,% 5d -- % 5d,% 5d\n",
                   i, ti->adobename,
                   ti->width,
                   ti->llx, ti->lly, ti->urx, ti->ury);

          if (j < 256)
          {
            fnt->inencptrs[j] = ti;
            ti->incode = j;
          }
          else
            break;
          j++;
        }
      }
    }
  }

  /* Finally, we construct a `Germandbls' glyph if necessary */

  if (!only_range)
  {
    if (NULL == findadobe("Germandbls", fnt->charlist) &&
        NULL != (Ti = findadobe("S", fnt->charlist)))
    {
      pcc *np, *nq;


      ti = newchar(fnt);
      ti->charcode = properties.num_Glyphs | 0x1000000;
      ti->glyphindex = properties.num_Glyphs;
      ti->adobename = "Germandbls";
      ti->width = Ti->width << 1;
      ti->llx = Ti->llx;
      ti->lly = Ti->lly;
      ti->urx = Ti->width + Ti->urx;
      ti->ury = Ti->ury;
      ti->kerns = Ti->kerns;

      np = newpcc();
      np->partname = "S";
      nq = newpcc();
      nq->partname = "S";
      nq->xoffset = Ti->width;
      np->next = nq;
      ti->pccs = np;
      ti->constructed = True;

      if (!quiet)
        printf("*            %-25s %5d  % 5d,% 5d -- % 5d,% 5d\n",
               ti->adobename,
               ti->width,
               ti->llx, ti->lly, ti->urx, ti->ury);
    }
  }

  /* kerning between subfonts isn't available */
  if (!only_range)
    readttf_kern(fnt);
}
Example #7
0
TT_Fonthandle*
i_tt_new(const char *fontname) {
  TT_Error error;
  TT_Fonthandle *handle;
  unsigned short i,n;
  unsigned short platform,encoding;
  i_tt_engine *tteng;

  if ((tteng = i_init_tt()) == NULL) {
    i_push_error(0, "Could not initialize FT1 engine");
    return NULL;
  }

  i_clear_error();
  
  mm_log((1,"i_tt_new(fontname '%s')\n",fontname));
  
  /* allocate memory for the structure */
  
  handle = mymalloc( sizeof(TT_Fonthandle) ); /* checked 5Nov05 tonyc */

  /* load the typeface */
  error = TT_Open_Face( tteng->engine, fontname, &handle->face );
  if ( error ) {
    myfree(handle);
    if ( error == TT_Err_Could_Not_Open_File ) {
      mm_log((1, "Could not find/open %s.\n", fontname ));
    }
    else {
      mm_log((1, "Error while opening %s, error code = 0x%x.\n",fontname, 
              (unsigned)error )); 
    }
    i_tt_push_error(error);
    return NULL;
  }
  
  TT_Get_Face_Properties( handle->face, &(handle->properties) );

  /* First, look for a Unicode charmap */
  n = handle->properties.num_CharMaps;
  USTRCT( handle->char_map )=NULL; /* Invalidate character map */
  
  for ( i = 0; i < n; i++ ) {
    TT_Get_CharMap_ID( handle->face, i, &platform, &encoding );
    if ( (platform == 3 && encoding == 1 ) 
         || (platform == 0 && encoding == 0 ) ) {
      mm_log((2,"i_tt_new - found char map platform %u encoding %u\n", 
              platform, encoding));
      TT_Get_CharMap( handle->face, i, &(handle->char_map) );
      break;
    }
  }
  if (!USTRCT(handle->char_map) && n != 0) {
    /* just use the first one */
    TT_Get_CharMap( handle->face, 0, &(handle->char_map));
  }

  /* Zero the pointsizes - and ordering */
  
  for(i=0;i<TT_CHC;i++) {
    USTRCT(handle->instanceh[i].instance)=NULL;
    handle->instanceh[i].order=i;
    handle->instanceh[i].ptsize=0;
    handle->instanceh[i].smooth=-1;
  }

#ifdef FTXPOST
  handle->loaded_names = 0;
#endif

  mm_log((1,"i_tt_new <- %p\n",handle));
  return handle;
}