Пример #1
0
void
TTFget_subfont(Font *fnt, long *array)
{
  int i, j, Num;


  if (!fnt || !array)
    oops("Invalid parameter in call to TTFget_subfont()");

  for (i = 0; i <= 0xFF; i++)
  {
    j = fnt->sf_code[i];

    if (j < 0)
      array[i] = j;
    else
    {
      Num = TT_Char_Index(char_map, j);
      if (Num < 0)
        oops("cmap mapping failure.");
      else
        array[i] = j;
    }
  }
}
Пример #2
0
Boolean
TTFprocess(Font *fnt,
           long Code,
           byte **bitmap,
           int *width, int *height,
           int *hoff, int *voff,
           Boolean hinting,
           Boolean quiet)
{
  int Num;
  TT_Error error;


  if (!bitmap || !width || !height || !hoff || !voff)
    oops("Invalid parameter in call to TTFprocess()");

  if (Code >= 0x1000000)
    Num = Code & 0xFFFFFF;
  else
  {
    Num = TT_Char_Index(char_map, Code);
    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 ((error = LoadTrueTypeChar(fnt, Num, hinting, quiet)) == TT_Err_Ok)
  {
    memset(Bit.bitmap, 0, Bit.size);
    TT_Get_Glyph_Bitmap(glyph, &Bit, x_offset * 64, y_offset * 64);

    FlipBit();      
    *bitmap = Bit2.bitmap;
    *width = Bit2.width;
    *height = Bit2.rows;
    *hoff = x_offset;
    *voff = y_offset;
    /* *voff = Bit2.rows - y_offset;    */
    /* printf("%D %d\n", *hoff, *voff); */
    /* Output(Bit2);                    */
    return True;
  }
  else
    return False;
}
Пример #3
0
static void ttf_translate_16bit(TT_CharMap charMap,
				unsigned short *what,
				int **dest,
				int len,
				int base)
{
   int i;

   dest[0]=(int*)xalloc(len*sizeof(int));

   THREADS_ALLOW();
   for (i=0; i<len; i++)
      dest[0][i] = TT_Char_Index(charMap, (TT_UShort)(what[i] + base));
   THREADS_DISALLOW();
}
Пример #4
0
size_t
i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf, 
                 size_t name_buf_size) {
#ifdef FTXPOST
  TT_Error rc;
  TT_String *psname;
  TT_UShort index;

  i_clear_error();

  if (!handle->loaded_names) {
    TT_Post post;
    mm_log((1, "Loading PS Names"));
    handle->load_cond = TT_Load_PS_Names(handle->face, &post);
    ++handle->loaded_names;
  }

  if (handle->load_cond) {
    i_push_errorf(handle->load_cond, "error loading names (%#x)",
		  (unsigned)handle->load_cond);
    return 0;
  }
  
  index = TT_Char_Index(handle->char_map, ch);
  if (!index) {
    i_push_error(0, "no such character");
    return 0;
  }

  rc = TT_Get_PS_Name(handle->face, index, &psname);

  if (rc) {
    i_push_error(rc, "error getting name");
    return 0;
  }

  strncpy(name_buf, psname, name_buf_size);
  name_buf[name_buf_size-1] = '\0';

  return strlen(psname) + 1;
#else
  mm_log((1, "FTXPOST extension not enabled\n"));
  i_clear_error();
  i_push_error(0, "Use of FTXPOST extension disabled");

  return 0;
#endif
}
Пример #5
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);
}
Пример #6
0
size_t
i_tt_has_chars(TT_Fonthandle *handle, char const *text, size_t len, int utf8,
               char *out) {
  size_t count = 0;
  mm_log((1, "i_tt_has_chars(handle %p, text %p, len %ld, utf8 %d)\n", 
          handle, text, (long)len, utf8));

  while (len) {
    unsigned long c;
    int index;
    if (utf8) {
      c = i_utf8_advance(&text, &len);
      if (c == ~0UL) {
        i_push_error(0, "invalid UTF8 character");
        return 0;
      }
    }
    else {
      c = (unsigned char)*text++;
      --len;
    }
    
    if (TT_VALID(handle->char_map)) {
      index = TT_Char_Index(handle->char_map, c);
    }
    else {
      index = (c - ' ' + 1) < 0 ? 0 : (c - ' ' + 1);
      if (index >= handle->properties.num_Glyphs)
        index = 0;
    }
    *out++ = index != 0;
    ++count;
  }

  return count;
}
Пример #7
0
encoding *
TTFget_first_glyphs(Font *fnt, long *array)
{
  unsigned int i, j, Num;
  unsigned int index_array[257];     /* we ignore glyph index 0 */
  char *n;
  encoding *e = (encoding *)mymalloc(sizeof (encoding));


  if (!array)
    oops("Invalid parameter in call to TTFget_first_glyphs()");

  for (i = 0; i < 257; i++)
    index_array[i] = 0;

  j = 0;
  if (fnt->PSnames != Only)
  {
    for (i = 0; i <= 0x16FFFF; i++)
    {
      Num = TT_Char_Index(char_map, i);
      if (Num < 0)
        oops("cmap mapping failure.");
      if (Num == 0)
        continue;
      if (Num <= 256)
        index_array[Num] = 1;

      if (fnt->PSnames)
        (void)TT_Get_PS_Name(face, Num, &n);
      else
        n = code_to_adobename(i);
      if (strcmp(n, ".notdef") == 0)
        continue;
      if (strcmp(n, ".null") == 0)
        continue;
      if (strcmp(n, "nonmarkingreturn") == 0)
        continue;

      if (j < 256)
      {
        array[j] = i;
        e->vec[j] = n;
      }
      else
        return e;
      j++;
    }

    if (!fnt->PSnames)
    {
      for (i = 1; i < properties.num_Glyphs; i++)
      {
        if (index_array[i] == 0)
        {
          if (j < 256)
          {
            array[j] = i | 0x1000000;
            e->vec[j] = code_to_adobename(i | 0x1000000);
          }
          else
            return e;
          j++;
        }
      }
    }
  }
  else
  {
    for (i = 0; i < properties.num_Glyphs; i++)
    {
      char *n;


      (void)TT_Get_PS_Name(face, i, &n);

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

      if (j < 256)
      {
        array[j] = i | 0x1000000;
        e->vec[j] = n;
      }
      else
        return e;
      j++;
    }
  }

  return NULL;              /* never reached */
}
Пример #8
0
static TT_Error Load_Glyph(TTF_Font *font, Uint16 ch, struct glyph *glyph)
{
	TT_UShort index;
	TT_Glyph_Metrics metrics;
	TT_Outline outline;
	int x_offset;
	int y_offset;
	TT_Error error;

	/* Load the glyph */
	index = TT_Char_Index(font->map, UNICODE(ch));
	error = TT_Load_Glyph(font->inst, font->glyph, index, TTLOAD_DEFAULT);
	if ( error ) return error;

	/* Get the bounding box */
	TT_Get_Glyph_Metrics(font->glyph, &metrics);
	glyph->minx = (metrics.bbox.xMin & -64) / 64;
	glyph->maxx = ((metrics.bbox.xMax + 63) & -64) / 64;
	glyph->miny = (metrics.bbox.yMin & -64) / 64;
	glyph->maxy = ((metrics.bbox.yMax + 63) & -64) / 64;
	glyph->advance = (metrics.advance & -64) / 64;

	/* Adjust for bold and italic text */
	if ( font->style & TTF_STYLE_BOLD ) {
		glyph->maxx += font->glyph_overhang;
	}
	if ( font->style & TTF_STYLE_ITALIC ) {
		glyph->maxx += round(font->glyph_italics);
	}

	/* Get the bitmap memory */
	glyph->bitmap.width = ((glyph->maxx - glyph->minx) + 7) & ~7;
	glyph->bitmap.rows = font->height;
	glyph->bitmap.cols = glyph->bitmap.width/8;
	glyph->bitmap.flow = TT_Flow_Down;
	glyph->bitmap.size = (glyph->bitmap.rows * glyph->bitmap.cols);
	if ( glyph->bitmap.size ) {
		glyph->bitmap.bitmap = malloc(glyph->bitmap.size);
		if ( ! glyph->bitmap.bitmap ) {
			error = TT_Err_Out_Of_Memory;
			goto was_error;
		}
		memset(glyph->bitmap.bitmap, 0, glyph->bitmap.size);
	} else {
		glyph->bitmap.bitmap = 0;
	}

	/* Get the pixmap memory */
	glyph->pixmap.width = ((glyph->maxx - glyph->minx) + 3) & ~3;
	glyph->pixmap.rows = font->height;
	glyph->pixmap.cols = glyph->pixmap.width;
	glyph->pixmap.flow = TT_Flow_Down;
	glyph->pixmap.size = (glyph->pixmap.rows * glyph->pixmap.cols);
	if ( glyph->pixmap.size ) {
		glyph->pixmap.bitmap = malloc(glyph->pixmap.size);
		if ( ! glyph->pixmap.bitmap ) {
			error = TT_Err_Out_Of_Memory;
			goto was_error;
		}
		memset(glyph->pixmap.bitmap, 0, glyph->pixmap.size);
	} else {
		glyph->pixmap.bitmap = 0;
	}

	/* Render the glyph into the bitmap and pixmap */
	error = TT_Get_Glyph_Outline(font->glyph, &outline);
	/* Handle the italic style */
	if ( font->style & TTF_STYLE_ITALIC ) {
		TT_Matrix shear;

		shear.xx = 1<<16;
		shear.xy = (int)(font->glyph_italics*(1<<16))/font->height;
		shear.yx = 0;
		shear.yy = 1<<16;
		TT_Transform_Outline(&outline, &shear);
	}
	x_offset = -glyph->minx * 64;
	y_offset = -round(font->descent) * 64;
	TT_Translate_Outline(&outline, x_offset, y_offset);
	error += TT_Get_Outline_Bitmap(engine, &outline, &glyph->bitmap);
	error += TT_Get_Outline_Pixmap(engine, &outline, &glyph->pixmap);
	/* Handle the bold style */
	if ( font->style & TTF_STYLE_BOLD ) {
		int row, col;
		int offset;
		int pixel;
		Uint8 *pixmap;

		/* The bitmap is easy, just render another copy */
		for ( offset=0; offset < font->glyph_overhang; ++offset ) {
			TT_Translate_Outline(&outline, 64, 0);
			error += TT_Get_Outline_Bitmap(engine,
			                               &outline,&glyph->bitmap);
		}
		x_offset += font->glyph_overhang*64;

		/* The pixmap is a little harder, we have to add and clamp */
		for ( row=glyph->pixmap.rows-1; row >= 0; --row ) {
			pixmap = (Uint8 *)glyph->pixmap.bitmap +
			                  row*glyph->pixmap.cols;
			for (offset=1; offset<=font->glyph_overhang; ++offset) {
				for (col=glyph->pixmap.cols-1; col > 0; --col) {
					pixel=(pixmap[col]+pixmap[col-1]);
					if ( pixel > 4 ) {
						pixel = 4;
					}
					pixmap[col] = (Uint8)pixel;
				}
			}
		}
	}
	TT_Translate_Outline(&outline, -x_offset, -y_offset);
was_error:
	if ( error ) {
		if ( glyph->bitmap.bitmap ) {
			free(glyph->bitmap.bitmap);
			glyph->bitmap.bitmap = 0;
		}
		if ( glyph->pixmap.bitmap ) {
			free(glyph->pixmap.bitmap);
			glyph->pixmap.bitmap = 0;
		}
		return error;
	}

	/* We're done, mark this glyph cached */
	glyph->cached = ch;
	return TT_Err_Ok;
}
Пример #9
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);
}
Пример #10
0
static
int
i_tt_get_glyph( TT_Fonthandle *handle, int inst, unsigned long j) {
  unsigned short load_flags, code;
  TT_Error error;

  mm_log((1, "i_tt_get_glyph(handle %p, inst %d, j %lu (%c))\n",
          handle,inst,j, (int)((j >= ' ' && j <= '~') ? j : '.')));
  
  /*mm_log((1, "handle->instanceh[inst].glyphs[j]=0x%08X\n",handle->instanceh[inst].glyphs[j] ));*/

  if ( TT_VALID(handle->instanceh[inst].glyphs[TT_HASH(j)].glyph)
       && handle->instanceh[inst].glyphs[TT_HASH(j)].ch == j) {
    mm_log((1,"i_tt_get_glyph: %lu in cache\n",j));
    return 1;
  }

  if ( TT_VALID(handle->instanceh[inst].glyphs[TT_HASH(j)].glyph) ) {
    /* clean up the entry */
    TT_Done_Glyph( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph );
    USTRCT( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph ) = NULL;
    handle->instanceh[inst].glyphs[TT_HASH(j)].ch = TT_NOCHAR;
  }
  
  /* Ok - it wasn't cached - try to get it in */
  load_flags = TTLOAD_SCALE_GLYPH;
  if ( LTT_hinted ) load_flags |= TTLOAD_HINT_GLYPH;
  
  if ( !TT_VALID(handle->char_map) ) {
    code = (j - ' ' + 1) < 0 ? 0 : (j - ' ' + 1);
    if ( code >= handle->properties.num_Glyphs ) code = 0;
  } else code = TT_Char_Index( handle->char_map, j );
  
  if ( (error = TT_New_Glyph( handle->face, &handle->instanceh[inst].glyphs[TT_HASH(j)].glyph)) ) {
    mm_log((1, "Cannot allocate and load glyph: error %#x.\n", (unsigned)error ));
    i_push_error(error, "TT_New_Glyph()");
    return 0;
  }
  if ( (error = TT_Load_Glyph( handle->instanceh[inst].instance, handle->instanceh[inst].glyphs[TT_HASH(j)].glyph, code, load_flags)) ) {
    mm_log((1, "Cannot allocate and load glyph: error %#x.\n", (unsigned)error ));
    /* Don't leak */
    TT_Done_Glyph( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph );
    USTRCT( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph ) = NULL;
    i_push_error(error, "TT_Load_Glyph()");
    return 0;
  }

  /* At this point the glyph should be allocated and loaded */
  handle->instanceh[inst].glyphs[TT_HASH(j)].ch = j;

  /* Next get the glyph metrics */
  error = TT_Get_Glyph_Metrics( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph, 
                                &handle->instanceh[inst].gmetrics[TT_HASH(j)] );
  if (error) {
    mm_log((1, "TT_Get_Glyph_Metrics: error %#x.\n", (unsigned)error ));
    TT_Done_Glyph( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph );
    USTRCT( handle->instanceh[inst].glyphs[TT_HASH(j)].glyph ) = NULL;
    handle->instanceh[inst].glyphs[TT_HASH(j)].ch = TT_NOCHAR;
    i_push_error(error, "TT_Get_Glyph_Metrics()");
    return 0;
  }

  return 1;
}