function __construct($attributes = array())
{
$defaults = array();
$defaults['insbase'] = array(0.0, 0.0, 0.0);
$defaults['extmin'] = array(0.0, 0.0);
$defaults['extmax'] = array(0.0, 0.0);
$defaults['fileName'] = 'test.dxf';
//$defaults['tdcreate'] = time();
parent::__construct(array_merge($defaults, $attributes));
$this->attributes['acadver'] = "9\n\$ACADVER\n1\nAC1009\n";
//version R14
$this->blocks = array();
$this->header = array($this->attributes['acadver']);
$this->layers = array(new DxfLayer());
$this->lineTypes = array(new DxfLineType());
$this->styles = array(new DxfStyle());
$this->views = array();
//echo print_r($this->attributes);
}
function __toString()
{
return sprintf("0\nBLOCK\n8\n%s\n2\n%s\n70\n%s\n%s3\n%s\n%s\n0\nENDBLK\n", $this->attributes['layer'], strtoupper($this->attributes['name']), $this->attributes['flag'], point($this->attributes['base']), strtoupper($this->attributes['name']), parent::__toString());
}
