prop center, scale;prop message1, message2, message1font, message2font;prop logo, logo_bgcolor;obj "tpcal" {  /* FIXME: if we could measure the text, this would    * work on different display sizes and fonts better.   */  bgfill = fillstyle {      var ypos;        /* Approximately center the whole thing vertically */      ypos = y+((h - 145)>>1);        SetColor(bgcolor);      Rect(x,y,w,h);      /* logo */      SetColor(logo_bgcolor);      Rect(x+((w-60)>>1),ypos,60,60);      Bitmap(x+((w-60)>>1) + 7, ypos+14, 48,36, logo);      ypos = ypos + 85;            /* Messages */      SetColor(fgcolor);      SetFont(message1font);      Text(x + ((w-127)>>1), ypos, 1, 1, message1);      ypos = ypos + 20;      SetFont(message2font);      Text(x + ((w-120)>>1), ypos, 1, 1, message2);    };  PGTH_P_USER = fillstyle {      Frame(x-center, y-center, center*2+1, center*2+1);      Bar(x, y-scale, 1, scale*2+1);      Slab(x-scale, y, scale*2+1, 1);    };  center = 3;  scale = 9;  message1 = "Welcome to Pico/Linux!";  message2 = "Tap each target firmly to\ncalibrate your touchscreen.";  logo = LoadBitmap("data/picolinux_logo_tiny.bmp");  logo_bgcolor = 0xD2D2D2;  fgcolor = 0x000000;  message1font = Font("Helvetica",10,PG_FSTYLE_BOLD);  message2font = Font("Helvetica",10,0);}