question: public Element drawLine ( List < mxPoint > pts , Map < String , Object > style ) { String strokeColor = mxUtils . getString ( style , mxConstants . STYLE_STROKECOLOR ) ; float strokeWidth = ( float ) ( mxUtils . getFloat ( style , mxConstants . STYLE_STROKEWIDTH , 1 ) * scale ) ; Element elem = document . createElement ( "v:shape" ) ; if ( strokeColor != null && strokeWidth > 0 ) { mxPoint pt = pts . get ( 0 ) ; Rectangle r = new Rectangle ( pt . getPoint ( ) ) ; String d = "m " + Math . round ( pt . getX ( ) ) + " " + Math . round ( pt . getY ( ) ) ; for ( int i = 1 ; i < pts . size ( ) ; i ++ ) { pt = pts . get ( i ) ; d += " l " + Math . round ( pt . getX ( ) ) + " " + Math . round ( pt . getY ( ) ) ; r = r . union ( new Rectangle ( pt . getPoint ( ) ) ) ; } elem . setAttribute ( "path" , d ) ; elem . setAttribute ( "filled" , "false" ) ; elem . setAttribute ( "strokecolor" , strokeColor ) ; elem . setAttribute ( "strokeweight" , String . valueOf ( strokeWidth ) + "pt" ) ; String s = "position:absolute;" + "left:" + String . valueOf ( r . x ) + "px;" + "top:" + String . valueOf ( r . y ) + "px;" + "width:" + String . valueOf ( r . width ) + "px;" + "height:" + String . valueOf ( r . height ) + "px;" ; elem . setAttribute ( "style" , s ) ; elem . setAttribute ( "coordorigin" , String . valueOf ( r . x ) + " " + String . valueOf ( r . y ) ) ; elem . setAttribute ( "coordsize" , String . valueOf ( r . width ) + " " + String . valueOf ( r . height ) ) ; } appendVmlElement ( elem ) ; return elem ; }
target:  Draws the given lines as segments between all points of the given list of mxPoints.