Ejemplo n.º 1
0
static i_tt_engine *
i_init_tt(void) {
  TT_Error  error;
  im_context_t ctx = im_get_context();
  TT_Byte palette[] = { 0, 64, 127, 191, 255 };
  i_tt_engine *result = im_context_slot_get(ctx, slot);

  i_clear_error();

  if (result == NULL) {
    result = mymalloc(sizeof(i_tt_engine));
    memset(result, 0, sizeof(*result));
    im_context_slot_set(ctx, slot, result);
    mm_log((1, "allocated FT1 state %p\n", result));
  }

  mm_log((1,"init_tt()\n"));

  if (result->initialized)
    return result;

  error = TT_Init_FreeType( &result->engine );
  if ( error ){
    mm_log((1,"Initialization of freetype failed, code = 0x%x\n",
	    (unsigned)error));
    i_tt_push_error(error);
    i_push_error(0, "Could not initialize freetype 1.x");
    return NULL;
  }

#ifdef FTXPOST
  error = TT_Init_Post_Extension( result->engine );
  if (error) {
    mm_log((1, "Initialization of Post extension failed = 0x%x\n",
	    (unsigned)error));
    
    i_tt_push_error(error);
    i_push_error(0, "Could not initialize FT 1.x POST extension");
    return NULL;
  }
#endif

  error = TT_Set_Raster_Gray_Palette(result->engine, palette);
  if (error) {
    mm_log((1, "Initialization of gray levels failed = 0x%x\n",
	    (unsigned)error));
    i_tt_push_error(error);
    i_push_error(0, "Could not initialize FT 1.x POST extension");
    return NULL;
  }

  mm_log((1, "initialized FT1 state %p\n", result));

  result->initialized = 1;

  return result;
}
Ejemplo n.º 2
0
  int  main( int  argc, char**  argv )
  {
    int    i, total, mode, base, rendered_glyphs;
    char   filename[128 + 4];
    char   alt_filename[128 + 4];
    char*  execname;

    long   t, t0, tz0;


    execname    = argv[0];

    gray_render = 0;
    visual      = 0;

    while ( argc > 1 && argv[1][0] == '-' )
    {
      switch ( argv[1][1] )
      {
      case 'g':
        gray_render = 1;
        break;

      case 'v':
        visual = 1;
        break;

      default:
        Panic( "Unknown argument '%s'!\n", argv[1] );
      }
      argc--;
      argv++;
    }

    if ( argc != 2 )
    {
      fprintf( stderr, "fttimer: simple performance timer -- part of the FreeType project\n" );
      fprintf( stderr,"-----------------------------------------------------------------\n\n" );
      fprintf( stderr,"Usage: %s [-g] [-v] fontname[.ttf|.ttc]\n\n", execname );
      fprintf( stderr,"  where '-g' asks for gray-levels rendering\n" );
      fprintf( stderr,"        '-v' displays while rendering (slower)\n" );

      exit( EXIT_FAILURE );
    }

    i = strlen( argv[1] );
    while ( i > 0 && argv[1][i] != '\\' )
    {
      if ( argv[1][i] == '.' )
        i = 0;
      i--;
    }

    filename[128] = '\0';
    alt_filename[128] = '\0';

    strncpy( filename, argv[1], 128 );
    strncpy( alt_filename, argv[1], 128 );

    if ( i >= 0 )
    {
      strncpy( filename + strlen( filename ), ".ttf", 4 );
      strncpy( alt_filename + strlen( alt_filename ), ".ttc", 4 );
    }

    /* Initialize engine */

    if ( (error = TT_Init_FreeType( &engine )) )
      Panic( "Error while initializing engine, code = 0x%x.\n", error );

    /* Load face */

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

    if ( error == TT_Err_Could_Not_Open_File )
    {
      strcpy( filename, alt_filename );
      error = TT_Open_Face( engine, alt_filename, &face );
    }

    if ( error == TT_Err_Could_Not_Open_File )
      Panic( "Could not find/open %s.\n", filename );
    else if ( error )
      Panic( "Error while opening %s, error code = 0x%x.\n",
             filename, error );

    /* get face properties and allocate preload arrays */

    TT_Get_Face_Properties( face, &properties );

    num_glyphs = properties.num_Glyphs;

    tab_glyphs = MAX_GLYPHS;
    if ( tab_glyphs > num_glyphs )
      tab_glyphs = num_glyphs;

    /* create glyph */

    error = TT_New_Glyph( face, &glyph );
    if ( error )
      Panic( "Could not create glyph container.\n" );

    /* create instance */

    error = TT_New_Instance( face, &instance );
    if ( error )
      Panic( "Could not create instance for %s.\n", filename );

    error = TT_Set_Instance_CharSize( instance, 400*64 );
    if ( error )
      Panic( "Could not reset instance for %s.\n", filename );

    if ( gray_render )
      mode = Graphics_Mode_Gray;
    else
      mode = Graphics_Mode_Mono;

    if ( visual )
    {
      if ( !SetGraphScreen( mode ) )
        Panic( "Could not set graphics mode.\n" );
      TT_Set_Raster_Gray_Palette( engine, gray_palette );
    }
    else
    {
      /* This is the default bitmap size used */
      vio_Width  = 640;
      vio_Height = 450;
    }

    Init_Engine();

    Num  = 0;
    Fail = 0;

    total = num_glyphs;
    base  = 0;

    rendered_glyphs = 0;

    t0 = 0;  /* Initial time */

    tz0 = Get_Time();

    while ( total > 0 )
    {
      /* First, preload 'tab_glyphs' in memory */

      cur_glyph   = 0;
      cur_point   = 0;
      cur_contour = 0;

      printf( "loading %d glyphs", tab_glyphs );

      for ( Num = 0; Num < tab_glyphs; Num++ )
      {
        error = LoadTrueTypeChar( base + Num );
        if ( error )
          Fail++;

        total--;
      }

      base += tab_glyphs;

      if ( tab_glyphs > total )
        tab_glyphs = total;

      printf( ", rendering... " );

      /* Now, render the loaded glyphs */

      t = Get_Time();

      for ( Num = 0; Num < cur_glyph; Num++ )
      {
        if ( (error = ConvertRaster( Num )) )
          Fail++;
        else
        {
          rendered_glyphs ++;

          if ( visual )
          {
            sprintf( Header, "Glyph: %5d", Num );
            Display_Bitmap_On_Screen( Bit.bitmap, Bit.rows, Bit.cols );

            Clear_Buffer();
          }
        }
      }

      t = Get_Time() - t;
      if ( t < 0 )
        t += 100L * 60 * 60;

      printf( " = %f s\n", (double)t / 1000 );
      t0 += t;

      /* Now free all loaded outlines */
      for ( Num = 0; Num < cur_glyph; Num++ )
        TT_Done_Outline( &outlines[Num] );
    }

    tz0 = Get_Time() - tz0;

    if ( visual )
      RestoreScreen();

    TT_Close_Face( face );

    printf( "\n" );
    printf( "rendered glyphs  = %d\n", rendered_glyphs );
    printf( "render time      = %f s\n", (double)t0 / 1000 );
    printf( "fails            = %d\n", Fail );
    printf( "average glyphs/s = %f\n",
             (double)rendered_glyphs / t0 * 1000 );

    printf( "total timing     = %f s\n", (double)tz0 / 1000 );
    printf( "Fails = %d\n", Fail );

    TT_Done_FreeType( engine );

    exit( EXIT_SUCCESS );      /* for safety reasons */

    return 0;       /* never reached */
  }