Java Code Examples for java.awt.RenderingHints#KEY_ANTIALIASING

@Override
public void paint(Graphics g) {
    RenderingHints renderHints =
            new RenderingHints(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    renderHints.put(RenderingHints.KEY_RENDERING,
            RenderingHints.VALUE_RENDER_QUALITY);

    Graphics2D Canvas = (Graphics2D) g;
    Canvas.addRenderingHints(renderHints);

    super.paint(g);
    for (IObjetoPintavel p: pintaveis) {
        p.setOutroPintor(true);
        p.DoPaint(Canvas);
        p.setOutroPintor(false);
    }
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream) 
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream)
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    this.renderingHints.put(RenderingHints.KEY_STROKE_CONTROL,
            RenderingHints.VALUE_STROKE_PURE);
    
    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream)
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    this.renderingHints.put(RenderingHints.KEY_STROKE_CONTROL,
            RenderingHints.VALUE_STROKE_PURE);
    
    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream) 
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

@Override
public void paint(Graphics g) {
    super.paint(g);
    RenderingHints renderHints
            = new RenderingHints(RenderingHints.KEY_ANTIALIASING,
                    RenderingHints.VALUE_ANTIALIAS_ON);
    renderHints.put(RenderingHints.KEY_RENDERING,
            RenderingHints.VALUE_RENDER_QUALITY);

    renderHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

    Graphics2D Canvas = (Graphics2D) g;

    Canvas.addRenderingHints(renderHints);

    Canvas.setStroke(new BasicStroke(
            1f,
            BasicStroke.CAP_ROUND,
            BasicStroke.JOIN_ROUND));

    Canvas.setPaint(Color.BLACK);

    paint2D(Canvas);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream) 
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream) 
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream) 
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Provides serialization support.
 *
 * @param stream  the input stream.
 *
 * @throws IOException  if there is an I/O error.
 * @throws ClassNotFoundException  if there is a classpath problem.
 */
private void readObject(ObjectInputStream stream) 
    throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    this.borderStroke = SerialUtilities.readStroke(stream);
    this.borderPaint = SerialUtilities.readPaint(stream);
    this.backgroundPaint = SerialUtilities.readPaint(stream);
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    // register as a listener with sub-components...
    if (this.title != null) {
        this.title.addChangeListener(this);
    }

    for (int i = 0; i < getSubtitleCount(); i++) {
        getSubtitle(i).addChangeListener(this);
    }
    this.plot.addChangeListener(this);
}
 

/**
 * Creates a new instance that will render to the specified JavaFX
 * {@code GraphicsContext}.
 * 
 * @param gc  the graphics context ({@code null} not permitted). 
 */
public FXGraphics2D(GraphicsContext gc) {
    nullNotPermitted(gc, "gc");
    this.gc = gc;
    this.zeroStrokeWidth = 0.5;
    this.hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_DEFAULT);
}
 

private void drawArrow(Graphics2D g, int x1, int y1, int x2, int y2) {

        RenderingHints renderHints
                = new RenderingHints(RenderingHints.KEY_ANTIALIASING,
                        RenderingHints.VALUE_ANTIALIAS_ON);
        renderHints.put(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY);

        renderHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

        g.addRenderingHints(renderHints);

        g.setStroke(new BasicStroke(
                getSetaLargura(),
                BasicStroke.CAP_ROUND,
                BasicStroke.JOIN_ROUND));

        //g.setPaint(Color.BLACK);
        int ARR_SIZE = 3 + getSetaLargura();
        double dx = x2 - x1, dy = y2 - y1;
        double angle = Math.atan2(dy, dx);
        int len = (int) Math.sqrt(dx * dx + dy * dy);
        AffineTransform at = AffineTransform.getTranslateInstance(x1, y1);
        at.concatenate(AffineTransform.getRotateInstance(angle));
        //AffineTransform bkp = g.getTransform();
        g.setTransform(at);

        // Draw horizontal arrow starting in (0, 0)
        g.drawLine(ARR_SIZE, 0, len - ARR_SIZE, 0);

        if (isSetaPontaEsquerda()) {
            g.fillPolygon(new int[]{len, len - ARR_SIZE, len - ARR_SIZE, len},
                    new int[]{0, -ARR_SIZE, ARR_SIZE, 0}, 4);
        }
        if (isSetaPontaDireita()) {
            g.fillPolygon(new int[]{0, ARR_SIZE, ARR_SIZE, 0},
                    new int[]{0, -ARR_SIZE, ARR_SIZE, 0}, 4);
        }
    }
 

protected void processRequest(HttpServletRequest request,
                              HttpServletResponse response)
               throws ServletException, IOException {

  int width = 150;
  int height = 50;

  char data[][] = {
      { 'a', 'n', 'd', 'r', 'o', 'i', 'd' },
      { 'c', 'l', 'o', 'u', 'd' },
      { 'g', 'o', 'o', 'g', 'l', 'e' },
      { 'd', 'o', 'c', 'k', 'e', 'r' },
      { 'g', 'o', 'l', 'a', 'n', 'g' },
      { 'p', 'y', 't', 'h', 'o', 'n' },
      { 'c', 'o', 'm', 'p', 'u', 't', 'e' },
      { 'm', 'a', 'p', 's', 'a', 'p', 'i' }
  };


  BufferedImage bufferedImage = new BufferedImage(width, height,
                BufferedImage.TYPE_INT_RGB);

  Graphics2D g2d = bufferedImage.createGraphics();

  Font font = new Font("Georgia", Font.BOLD, 18);
  g2d.setFont(font);

  RenderingHints rh = new RenderingHints(
         RenderingHints.KEY_ANTIALIASING,
         RenderingHints.VALUE_ANTIALIAS_ON);

  rh.put(RenderingHints.KEY_RENDERING,
         RenderingHints.VALUE_RENDER_QUALITY);

  g2d.setRenderingHints(rh);

  GradientPaint gp = new GradientPaint(0, 0,
  Color.red, 0, height/2, Color.black, true);

  g2d.setPaint(gp);
  g2d.fillRect(0, 0, width, height);

  g2d.setColor(new Color(255, 153, 0));

  Random r = new Random();
  int index = Math.abs(r.nextInt()) % 5;

  String captcha = String.copyValueOf(data[index]);
  request.getSession().setAttribute("captcha", captcha );

  int x = 0;
  int y = 0;

  for (int i=0; i<data[index].length; i++) {
      x += 10 + (Math.abs(r.nextInt()) % 15);
      y = 20 + Math.abs(r.nextInt()) % 20;
      g2d.drawChars(data[index], i, 1, x, y);
  }

  g2d.dispose();

  response.setContentType("image/png");
  try (OutputStream os = response.getOutputStream()) {
    ImageIO.write(bufferedImage, "png", os);
  }
}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setBorder(new BlockBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

/**
 * Creates a new chart with the given title and plot.  The
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot,
                  boolean createLegend) {

    ParamChecks.nullNotPermitted(plot, "plot");

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    // added the following hint because of 
    // http://stackoverflow.com/questions/7785082/
    this.renderingHints.put(RenderingHints.KEY_STROKE_CONTROL,
            RenderingHints.VALUE_STROKE_PURE);
    
    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;

    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}