How to use

drawText

method

in

org.pentaho.di.core.gui.GCInterface

private void drawTextRightAligned( String txt, int x, int y ) {
 int off = gc.textExtent( txt ).x;
 x -= off;
 gc.drawText( txt, x, y );
}

void drawTimeScaleLine( int height, double pixelsPerMs, long periodInMs ) {
 int log10 = (int) Math.log10( periodInMs ) + 1;
 int timeLineDistance = (int) Math.pow( 10, log10 - 1 ) / 2;
 int incrementUnit = Math.max( timeLineDistance, 1 );
 for ( int time = timeLineDistance; time <= periodInMs; time += incrementUnit ) {
  int x = (int) ( time * pixelsPerMs );
  getGc().setForeground( EColor.LIGHTGRAY );
  getGc().drawLine( x, 0, x, height );
  String marker = Integer.toString( time );
  Point point = getGc().textExtent( marker );
  getGc().setForeground( EColor.DARKGRAY );
  getGc().drawText( marker, x - ( point.x / 2 ), 0, true );
 }
}

private void drawDurations( List<MetricsDuration> durations, List<MetricsDrawArea> areas, double pixelsPerMs ) {
 // set top indent
 int y = 20;
 for ( MetricsDuration duration : durations ) {
  Long realDuration = duration.getEndDate().getTime() - duration.getDate().getTime();
  // How many pixels does it take to drawn this duration?
  //
  int durationWidth = (int) ( realDuration * pixelsPerMs );
  int x = 2 + (int) ( ( duration.getDate().getTime() - periodStart ) * pixelsPerMs );
  getGc().setBackground( EColor.BACKGROUND );
  getGc().setForeground( EColor.LIGHTBLUE );
  getGc().fillGradientRectangle( x, y, durationWidth, barHeight, false );
  getGc().setForeground( EColor.BLACK );
  getGc().drawRectangle( x, y, durationWidth, barHeight );
  areas.add( new MetricsDrawArea( new Rectangle( x, y, durationWidth, barHeight ), duration ) );
  LoggingObjectInterface loggingObject =
    LoggingRegistry.getInstance().getLoggingObject( duration.getLogChannelId() );
  String message =
    duration.getDescription() + " - " + loggingObject.getObjectName() + " : " + duration.getDuration() + "ms";
  if ( duration.getCount() > 1 ) {
   message += " " + duration.getCount() + " calls, avg=" + ( duration.getDuration() / duration.getCount() );
  }
  getGc().setFont( EFont.GRAPH );
  getGc().textExtent( message );
  getGc().drawText( message, x + 3, y + 4, true );
  y += barHeight + 5;
 }
}

 gc.drawText( nrInput, point.x + 1, point.y + 1 );
 gc.drawText( nrOutput, point.x + 1, point.y + 1 );
  gc.drawText( nrInput, point.x + 1, point.y + 1 );
  gc.drawText( Const.NVL( partitionSchema.getName(), "<no partition name>" ), point.x, point.y
   + textExtent.y + 3, true );
gc.drawText( name, namePosition.x, namePosition.y + 2, true );
boolean partitioned = false;
 gc.setBackground( EColor.BACKGROUND );
 gc.setForeground( EColor.BLACK );
 gc.drawText( clusterMessage, x - textExtent.x + 1, y - textExtent.y + 1 );
 if ( stepMeta.getClusterSchema() != null ) {
  Point clusterTextExtent = gc.textExtent( clusterMessage );
  gc.drawText( copies, x - textExtent.x + 1, y - textExtent.y - clusterTextExtent.y + 1, false );
  areaOwners.add( new AreaOwner( AreaType.STEP_COPIES_TEXT, x - textExtent.x + 1, y - textExtent.y
    - clusterTextExtent.y + 1, textExtent.x, textExtent.y, offset, transMeta, stepMeta ) );
 } else {
  gc.drawText( copies, x - textExtent.x + 1, y - textExtent.y + 1, false );
  areaOwners.add( new AreaOwner( AreaType.STEP_COPIES_TEXT, x - textExtent.x + 1, y - textExtent.y + 1, textExtent.x,
    textExtent.y, offset, transMeta, stepMeta ) );
 gc.drawText( trimmedName, areaX + ( totalWidth - nameExtent.x ) / 2 + MINI_ICON_MARGIN, areaY
  + MINI_ICON_MARGIN, true );
 gc.setForeground( EColor.CRYSTAL );

gc.drawText( name, xpos, ypos, true );
 gc.drawText( trimmedName, areaX + ( totalWidth - nameExtent.x ) / 2 + MINI_ICON_MARGIN, areaY
  + MINI_ICON_MARGIN, true );
 gc.setForeground( EColor.CRYSTAL );

 gc.setBackground( EColor.LIGHTGRAY );
gc.drawText( titles[i], rowX, rowY );
rowY += rowHeight;

gc.setForeground( notePadMeta.getFontColorRed(), notePadMeta.getFontColorGreen(), notePadMeta
 .getFontColorBlue() );
gc.drawText( notePadMeta.getNote(), note.x + margin, note.y + margin, true );