package org.sat4j.sat.visu;
   
   import info.monitorenter.gui.chart.ITracePoint2D;
   import info.monitorenter.gui.chart.traces.painters.ATracePainter;
   
   import java.awt.Graphics;
   
   public class TracePainterCross extends ATracePainter {
   
      /**
  	 * 
  	 */
      private static final long serialVersionUID = 1L;
  
      private static final int DEFAULT_SIZE = 6;
  
      /** The implementation for rendering the point as a cross. */
      private final PointPainterCross mPointPainter;
  
      /**
       * Creates an instance with a default cross size of 4.
       * <p>
       */
      public TracePainterCross() {
          this.mPointPainter = new PointPainterCross(DEFAULT_SIZE);
      }
  
      /**
       * Creates an instance with the given cross size.
       * 
       * @param crossSize
       *            the cross size in pixel to use.
       */
      public TracePainterCross(final int crossSize) {
          this.mPointPainter = new PointPainterCross(crossSize);
      }
  
      /**
       * @see info.monitorenter.gui.chart.ITracePainter#endPaintIteration(java.awt.Graphics)
       */
      @Override
      public void endPaintIteration(final Graphics g2d) {
          if (g2d != null) {
              int previousX = this.getPreviousX();
              int previousY = this.getPreviousY();
              if (previousX != Integer.MIN_VALUE
                      || previousY != Integer.MIN_VALUE) {
                  this.mPointPainter.paintPoint(previousX, previousY, 0, 0, g2d,
                          this.getPreviousPoint());
              }
          }
          this.mPointPainter.endPaintIteration(g2d);
      }
  
      /**
       * @see java.lang.Object#equals(java.lang.Object)
       */
      @Override
      public boolean equals(final Object obj) {
          if (this == obj) {
              return true;
          }
          if (!super.equals(obj)) {
              return false;
          }
          if (this.getClass() != obj.getClass()) {
              return false;
          }
          final TracePainterCross other = (TracePainterCross) obj;
          if (this.mPointPainter == null) {
              if (other.mPointPainter != null) {
                  return false;
              }
          } else if (!this.mPointPainter.equals(other.mPointPainter)) {
              return false;
          }
          return true;
      }
  
      /**
       * Returns the size of the cross to paint in pixel.
       * <p>
       * 
       * @return the size of the cross to paint in pixel.
       */
      public int getCrossSize() {
          return this.mPointPainter.getCrossSize();
      }
  
      /**
       * @see java.lang.Object#hashCode()
       */
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = super.hashCode();
          result = prime
                  * result
                  + (this.mPointPainter == null ? 0 : this.mPointPainter
                         .hashCode());
         return result;
     }
 
     /**
      * @see info.monitorenter.gui.chart.traces.painters.ATracePainter#paintPoint(int,
      *      int, int, int, java.awt.Graphics,
      *      info.monitorenter.gui.chart.ITracePoint2D)
      */
     @Override
     public void paintPoint(final int absoluteX, final int absoluteY,
             final int nextX, final int nextY, final Graphics g,
             final ITracePoint2D original) {
         super.paintPoint(absoluteX, absoluteY, nextX, nextY, g, original);
         this.mPointPainter.paintPoint(absoluteX, absoluteY, nextX, nextY, g,
                 original);
     }
 
     /**
      * Sets the size of the crosses to paint in pixel.
      * <p>
      * 
      * @param crossSize
      *            the size of the crosses to paint in pixel.
      */
     public void setPlusSize(final int plusSize) {
         this.mPointPainter.setCrossSize(plusSize);
     }
 
     /**
      * @see info.monitorenter.gui.chart.traces.painters.ATracePainter#startPaintIteration(java.awt.Graphics)
      */
     @Override
     public void startPaintIteration(final Graphics g2d) {
         super.startPaintIteration(g2d);
         this.mPointPainter.startPaintIteration(g2d);
     }
 }