Example usage for java.awt Graphics drawString

List of usage examples for java.awt Graphics drawString

  1. HOME
  2. Java
  3. java
  4. java.awt.*
  5. Graphics
  6. drawString

Introduction

In this page you can find the example usage for java.awt Graphics drawString.

Prototype

public abstract void drawString(AttributedCharacterIterator iterator, int x, int y);

Source Link

Document

Renders the text of the specified iterator applying its attributes in accordance with the specification of the java.awt.font.TextAttribute TextAttribute class.

Usage

From source file:net.sourceforge.msscodefactory.cflib.v1_11.CFLib.Swing.CFFloatColumnCellRenderer.java

public void paint(Graphics g) {
    if (g == null) {
        return;//www.  j  a  v  a 2 s  .  c  om
    }
    Rectangle bounds = getBounds();
    g.setColor(getBackground());
    g.fill3DRect(0, 0, bounds.width, bounds.height, true);
    g.setColor(getForeground());
    String str;
    if (value instanceof Float) {
        Float val = (Float) value;
        Format fmt = getDefaultFormat();
        str = fmt.format(val);
    } else if (value instanceof String) {
        str = (String) value;
    } else {
        str = null;
    }
    if (str != null) {
        int firstNewline = str.indexOf('\n');
        if (firstNewline < 0) {
            firstNewline = str.indexOf('\r');
            if (firstNewline < 0) {
                firstNewline = str.indexOf('\f');
                if (firstNewline < 0) {
                    firstNewline = str.length();
                }
            }
        }
        String firstLine = str.substring(0, firstNewline);
        FontMetrics fm = g.getFontMetrics();
        int ascent = fm.getAscent();
        int leading = fm.getLeading();
        int width = fm.stringWidth(firstLine);
        int x = (bounds.width - 8) - width;
        g.drawString(firstLine, x, leading + ascent + 4);
    }
}

From source file:net.sourceforge.msscodefactory.cflib.v1_11.CFLib.Swing.CFDoubleColumnCellRenderer.java

public void paint(Graphics g) {
    if (g == null) {
        return;//from w ww.  j  a  v a 2  s. c o m
    }
    Rectangle bounds = getBounds();
    g.setColor(getBackground());
    g.fill3DRect(0, 0, bounds.width, bounds.height, true);
    g.setColor(getForeground());
    String str;
    if (value instanceof Double) {
        Double val = (Double) value;
        Format fmt = getDefaultFormat();
        str = fmt.format(val);
    } else if (value instanceof String) {
        str = (String) value;
    } else {
        str = null;
    }
    if (str != null) {
        int firstNewline = str.indexOf('\n');
        if (firstNewline < 0) {
            firstNewline = str.indexOf('\r');
            if (firstNewline < 0) {
                firstNewline = str.indexOf('\f');
                if (firstNewline < 0) {
                    firstNewline = str.length();
                }
            }
        }
        String firstLine = str.substring(0, firstNewline);
        FontMetrics fm = g.getFontMetrics();
        int ascent = fm.getAscent();
        int leading = fm.getLeading();
        int width = fm.stringWidth(firstLine);
        int x = (bounds.width - 8) - width;
        g.drawString(firstLine, x, leading + ascent + 4);
    }
}

From source file:net.sourceforge.msscodefactory.cflib.v1_11.CFLib.Swing.CFInt32ColumnCellRenderer.java

public void paint(Graphics g) {
    if (g == null) {
        return;/*www. ja  va2 s . co  m*/
    }
    Rectangle bounds = getBounds();
    g.setColor(getBackground());
    g.fill3DRect(0, 0, bounds.width, bounds.height, true);
    g.setColor(getForeground());
    String str;
    if (value instanceof Integer) {
        Integer val = (Integer) value;
        Format fmt = getDefaultFormat();
        str = fmt.format(val);
    } else if (value instanceof String) {
        str = (String) value;
    } else {
        str = null;
    }
    if (str != null) {
        int firstNewline = str.indexOf('\n');
        if (firstNewline < 0) {
            firstNewline = str.indexOf('\r');
            if (firstNewline < 0) {
                firstNewline = str.indexOf('\f');
                if (firstNewline < 0) {
                    firstNewline = str.length();
                }
            }
        }
        String firstLine = str.substring(0, firstNewline);
        FontMetrics fm = g.getFontMetrics();
        int ascent = fm.getAscent();
        int leading = fm.getLeading();
        int width = fm.stringWidth(firstLine);
        int x = (bounds.width - 8) - width;
        g.drawString(firstLine, x, leading + ascent + 4);
    }
}

From source file:net.sourceforge.msscodefactory.cflib.v1_11.CFLib.Swing.CFUInt64ColumnCellRenderer.java

public void paint(Graphics g) {
    if (g == null) {
        return;//w  ww .  j ava  2s  . c o  m
    }
    Rectangle bounds = getBounds();
    g.setColor(getBackground());
    g.fill3DRect(0, 0, bounds.width, bounds.height, true);
    g.setColor(getForeground());
    String str;
    if (value instanceof BigDecimal) {
        BigDecimal val = (BigDecimal) value;
        Format fmt = getDefaultFormat();
        str = fmt.format(val);
    } else if (value instanceof String) {
        str = (String) value;
    } else {
        str = null;
    }
    if (str != null) {
        int firstNewline = str.indexOf('\n');
        if (firstNewline < 0) {
            firstNewline = str.indexOf('\r');
            if (firstNewline < 0) {
                firstNewline = str.indexOf('\f');
                if (firstNewline < 0) {
                    firstNewline = str.length();
                }
            }
        }
        String firstLine = str.substring(0, firstNewline);
        FontMetrics fm = g.getFontMetrics();
        int ascent = fm.getAscent();
        int leading = fm.getLeading();
        int width = fm.stringWidth(firstLine);
        int x = (bounds.width - 8) - width;
        g.drawString(firstLine, x, leading + ascent + 4);
    }
}

From source file:se.llbit.chunky.ui.Minimap.java

@Override
public void paintComponent(Graphics g) {
    super.paintComponent(g);

    // NB lock the lock ordering here is critical!
    // we access ChunkMap via Chunky but here we also need to lock Chunky
    synchronized (chunky) {
        synchronized (this) {
            ChunkView mapView = chunky.getMapView();

            WorldRenderer renderer = chunky.getWorldRenderer();
            World world = chunky.getWorld();
            ChunkSelectionTracker selection = chunky.getChunkSelection();

            renderer.render(world, mapBuffer, Chunk.biomeRenderer, selection);
            mapBuffer.renderBuffered(g);

            renderer.renderPlayer(world, g, view, true);
            renderer.renderSpawn(world, g, view, true);

            // draw view rectangle
            g.setColor(Color.orange);
            g.drawRect((int) FastMath.round(mapView.x0 - view.x0), (int) FastMath.round(mapView.z0 - view.z0),
                    FastMath.round(mapView.width / (float) mapView.scale),
                    FastMath.round(mapView.height / (float) mapView.scale));

            // draw North indicator
            g.setFont(font);//from   w ww . ja v a 2s. c  o m
            g.setColor(Color.red);
            g.drawString("N", view.width / 2 - 4, 12);

            g.setColor(Color.black);
            g.drawString(world.levelName(), 10, view.height - 10);
        }
    }
}

From source file:bigdata.explorer.nutch.grapview.WebGraphZoomScrollPane.java

/**
 * create an instance of a simple graph with controls to
 * demo the zoom features./*from www . j av a  2s. c om*/
 * 
 */
public WebGraphZoomScrollPane() throws IOException {

    // create a simple graph for the demo
    graph = NutchGraphLoader.loadFullGraph("/home/kamir/ANALYSIS/Nutch/YellowMED_CORE");

    ImageIcon sandstoneIcon = null;
    String imageLocation = "/images/Sandstone.jpg";
    try {
        sandstoneIcon = new ImageIcon(getClass().getResource(imageLocation));
    } catch (Exception ex) {
        System.err.println("Can't load \"" + imageLocation + "\"");
    }
    final ImageIcon icon = sandstoneIcon;
    vv = new VisualizationViewer<String, Number>(new KKLayout<String, Number>(graph));

    if (icon != null) {
        vv.addPreRenderPaintable(new VisualizationViewer.Paintable() {
            public void paint(Graphics g) {
                Dimension d = vv.getSize();
                g.drawImage(icon.getImage(), 0, 0, d.width, d.height, vv);
            }

            public boolean useTransform() {
                return false;
            }
        });
    }
    vv.addPostRenderPaintable(new VisualizationViewer.Paintable() {
        int x;
        int y;
        Font font;
        FontMetrics metrics;
        int swidth;
        int sheight;
        String str = "WebGraph Zoomer : Version 1.0.0";

        public void paint(Graphics g) {
            Dimension d = vv.getSize();
            if (font == null) {
                font = new Font(g.getFont().getName(), Font.BOLD, 30);
                metrics = g.getFontMetrics(font);
                swidth = metrics.stringWidth(str);
                sheight = metrics.getMaxAscent() + metrics.getMaxDescent();
                x = (d.width - swidth) / 2;
                y = (int) (d.height - sheight * 1.5);
            }
            g.setFont(font);
            Color oldColor = g.getColor();
            g.setColor(Color.lightGray);
            g.drawString(str, x, y);
            g.setColor(oldColor);
        }

        public boolean useTransform() {
            return false;
        }
    });

    vv.addGraphMouseListener(new TestGraphMouseListener<String>());
    vv.getRenderer().setVertexRenderer(new GradientVertexRenderer<String, Number>(Color.white, Color.red,
            Color.white, Color.blue, vv.getPickedVertexState(), false));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.lightGray));

    // add my listeners for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<String>());
    vv.setEdgeToolTipTransformer(new Transformer<Number, String>() {
        public String transform(Number edge) {
            return "E" + graph.getEndpoints(edge).toString();
        }
    });

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
    vv.getRenderer().getVertexLabelRenderer().setPositioner(new InsidePositioner());
    vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.AUTO);
    vv.setForeground(Color.lightGray);

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final AbstractModalGraphMouse graphMouse = new DefaultModalGraphMouse<String, Number>();
    vv.setGraphMouse(graphMouse);

    vv.addKeyListener(graphMouse.getModeKeyListener());
    vv.setToolTipText("<html><center>Type 'p' for Pick mode<p>Type 't' for Transform mode");

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JButton reset = new JButton("reset");
    reset.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT).setToIdentity();
            vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW).setToIdentity();
        }
    });

    JPanel controls = new JPanel();
    controls.add(plus);
    controls.add(minus);
    controls.add(reset);
    content.add(controls, BorderLayout.SOUTH);

    frame.pack();
    frame.setVisible(true);
}

From source file:net.sourceforge.msscodefactory.cflib.v1_11.CFLib.Swing.CFNumberColumnCellRenderer.java

public void paint(Graphics g) {
    if (g == null) {
        return;//from  ww  w . ja v a  2s . co m
    }
    Rectangle bounds = getBounds();
    g.setColor(getBackground());
    g.fill3DRect(0, 0, bounds.width, bounds.height, true);
    g.setColor(getForeground());
    String str;
    if (value instanceof BigDecimal) {
        BigDecimal val = (BigDecimal) value;
        Format fmt = getNumberFormat(digits, precis);
        str = fmt.format(val);
    } else if (value instanceof String) {
        str = (String) value;
    } else {
        str = null;
    }
    if (str != null) {
        int firstNewline = str.indexOf('\n');
        if (firstNewline < 0) {
            firstNewline = str.indexOf('\r');
            if (firstNewline < 0) {
                firstNewline = str.indexOf('\f');
                if (firstNewline < 0) {
                    firstNewline = str.length();
                }
            }
        }
        String firstLine = str.substring(0, firstNewline);
        FontMetrics fm = g.getFontMetrics();
        int ascent = fm.getAscent();
        int leading = fm.getLeading();
        int width = fm.stringWidth(firstLine);
        int x = (bounds.width - 8) - width;
        g.drawString(firstLine, x, leading + ascent + 4);
    }
}

From source file:components.Rule.java

protected void paintComponent(Graphics g) {
    Rectangle drawHere = g.getClipBounds();

    // Fill clipping area with dirty brown/orange.
    g.setColor(new Color(230, 163, 4));
    g.fillRect(drawHere.x, drawHere.y, drawHere.width, drawHere.height);

    // Do the ruler labels in a small font that's black.
    g.setFont(new Font("SansSerif", Font.PLAIN, 10));
    g.setColor(Color.black);//  w  ww . j  av a 2s . c  o  m

    // Some vars we need.
    int end = 0;
    int start = 0;
    int tickLength = 0;
    String text = null;

    // Use clipping bounds to calculate first and last tick locations.
    if (orientation == HORIZONTAL) {
        start = (drawHere.x / increment) * increment;
        end = (((drawHere.x + drawHere.width) / increment) + 1) * increment;
    } else {
        start = (drawHere.y / increment) * increment;
        end = (((drawHere.y + drawHere.height) / increment) + 1) * increment;
    }

    // Make a special case of 0 to display the number
    // within the rule and draw a units label.
    if (start == 0) {
        text = Integer.toString(0) + (isMetric ? " cm" : " in");
        tickLength = 10;
        if (orientation == HORIZONTAL) {
            g.drawLine(0, SIZE - 1, 0, SIZE - tickLength - 1);
            g.drawString(text, 2, 21);
        } else {
            g.drawLine(SIZE - 1, 0, SIZE - tickLength - 1, 0);
            g.drawString(text, 9, 10);
        }
        text = null;
        start = increment;
    }

    // ticks and labels
    for (int i = start; i < end; i += increment) {
        if (i % units == 0) {
            tickLength = 10;
            text = Integer.toString(i / units);
        } else {
            tickLength = 7;
            text = null;
        }

        if (tickLength != 0) {
            if (orientation == HORIZONTAL) {
                g.drawLine(i, SIZE - 1, i, SIZE - tickLength - 1);
                if (text != null)
                    g.drawString(text, i - 3, 21);
            } else {
                g.drawLine(SIZE - 1, i, SIZE - tickLength - 1, i);
                if (text != null)
                    g.drawString(text, 9, i + 3);
            }
        }
    }
}

From source file:com.google.code.facebook.graph.sna.applet.GraphZoomScrollPaneDemo.java

/**
 * create an instance of a simple graph with controls to
 * demo the zoom features.//from  w  ww. ja  va 2 s  .co m
 * 
 */
public GraphZoomScrollPaneDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseGraph<String, Number>();
    String[] v = createVertices(10);
    createEdges(v);

    ImageIcon sandstoneIcon = null;
    String imageLocation = "/images/Sandstone.jpg";
    try {
        sandstoneIcon = new ImageIcon(getClass().getResource(imageLocation));
    } catch (Exception ex) {
        System.err.println("Can't load \"" + imageLocation + "\"");
    }
    final ImageIcon icon = sandstoneIcon;
    vv = new VisualizationViewer<String, Number>(new KKLayout<String, Number>(graph));

    if (icon != null) {
        vv.addPreRenderPaintable(new VisualizationViewer.Paintable() {
            public void paint(Graphics g) {
                Dimension d = vv.getSize();
                g.drawImage(icon.getImage(), 0, 0, d.width, d.height, vv);
            }

            public boolean useTransform() {
                return false;
            }
        });
    }
    vv.addPostRenderPaintable(new VisualizationViewer.Paintable() {
        int x;
        int y;
        Font font;
        FontMetrics metrics;
        int swidth;
        int sheight;
        String str = "GraphZoomScrollPane Demo";

        public void paint(Graphics g) {
            Dimension d = vv.getSize();
            if (font == null) {
                font = new Font(g.getFont().getName(), Font.BOLD, 30);
                metrics = g.getFontMetrics(font);
                swidth = metrics.stringWidth(str);
                sheight = metrics.getMaxAscent() + metrics.getMaxDescent();
                x = (d.width - swidth) / 2;
                y = (int) (d.height - sheight * 1.5);
            }
            g.setFont(font);
            Color oldColor = g.getColor();
            g.setColor(Color.lightGray);
            g.drawString(str, x, y);
            g.setColor(oldColor);
        }

        public boolean useTransform() {
            return false;
        }
    });

    vv.addGraphMouseListener(new TestGraphMouseListener<String>());
    vv.getRenderer().setVertexRenderer(new GradientVertexRenderer<String, Number>(Color.white, Color.red,
            Color.white, Color.blue, vv.getPickedVertexState(), false));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.lightGray));

    // add my listeners for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<String>());
    vv.setEdgeToolTipTransformer(new Transformer<Number, String>() {
        public String transform(Number edge) {
            return "E" + graph.getEndpoints(edge).toString();
        }
    });

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
    vv.getRenderer().getVertexLabelRenderer().setPositioner(new InsidePositioner());
    vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.AUTO);
    vv.setForeground(Color.lightGray);

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final AbstractModalGraphMouse graphMouse = new DefaultModalGraphMouse<String, Number>();
    vv.setGraphMouse(graphMouse);

    vv.addKeyListener(graphMouse.getModeKeyListener());
    vv.setToolTipText("<html><center>Type 'p' for Pick mode<p>Type 't' for Transform mode");

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JButton reset = new JButton("reset");
    reset.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT).setToIdentity();
            vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW).setToIdentity();
        }
    });

    JPanel controls = new JPanel();
    controls.add(plus);
    controls.add(minus);
    controls.add(reset);
    content.add(controls, BorderLayout.SOUTH);

    frame.pack();
    frame.setVisible(true);
}

From source file:edu.uci.ics.jung.samples.GraphZoomScrollPaneDemo.java

/**
 * create an instance of a simple graph with controls to
 * demo the zoom features.//www  .  j  a  v  a  2  s  .  c  o m
 * 
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public GraphZoomScrollPaneDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseGraph<String, Number>();
    String[] v = createVertices(10);
    createEdges(v);

    ImageIcon sandstoneIcon = null;
    String imageLocation = "/images/Sandstone.jpg";
    try {
        sandstoneIcon = new ImageIcon(getClass().getResource(imageLocation));
    } catch (Exception ex) {
        System.err.println("Can't load \"" + imageLocation + "\"");
    }
    final ImageIcon icon = sandstoneIcon;
    vv = new VisualizationViewer<String, Number>(new KKLayout<String, Number>(graph));

    if (icon != null) {
        vv.addPreRenderPaintable(new VisualizationViewer.Paintable() {
            public void paint(Graphics g) {
                Dimension d = vv.getSize();
                g.drawImage(icon.getImage(), 0, 0, d.width, d.height, vv);
            }

            public boolean useTransform() {
                return false;
            }
        });
    }
    vv.addPostRenderPaintable(new VisualizationViewer.Paintable() {
        int x;
        int y;
        Font font;
        FontMetrics metrics;
        int swidth;
        int sheight;
        String str = "GraphZoomScrollPane Demo";

        public void paint(Graphics g) {
            Dimension d = vv.getSize();
            if (font == null) {
                font = new Font(g.getFont().getName(), Font.BOLD, 30);
                metrics = g.getFontMetrics(font);
                swidth = metrics.stringWidth(str);
                sheight = metrics.getMaxAscent() + metrics.getMaxDescent();
                x = (d.width - swidth) / 2;
                y = (int) (d.height - sheight * 1.5);
            }
            g.setFont(font);
            Color oldColor = g.getColor();
            g.setColor(Color.lightGray);
            g.drawString(str, x, y);
            g.setColor(oldColor);
        }

        public boolean useTransform() {
            return false;
        }
    });

    vv.addGraphMouseListener(new TestGraphMouseListener<String>());
    vv.getRenderer().setVertexRenderer(new GradientVertexRenderer<String, Number>(Color.white, Color.red,
            Color.white, Color.blue, vv.getPickedVertexState(), false));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    vv.getRenderContext().setArrowDrawPaintTransformer(new ConstantTransformer(Color.lightGray));

    // add my listeners for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<String>());
    vv.setEdgeToolTipTransformer(new Transformer<Number, String>() {
        public String transform(Number edge) {
            return "E" + graph.getEndpoints(edge).toString();
        }
    });

    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
    vv.getRenderer().getVertexLabelRenderer().setPositioner(new InsidePositioner());
    vv.getRenderer().getVertexLabelRenderer().setPosition(Renderer.VertexLabel.Position.AUTO);
    vv.setForeground(Color.lightGray);

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final AbstractModalGraphMouse graphMouse = new DefaultModalGraphMouse<String, Number>();
    vv.setGraphMouse(graphMouse);

    vv.addKeyListener(graphMouse.getModeKeyListener());
    vv.setToolTipText("<html><center>Type 'p' for Pick mode<p>Type 't' for Transform mode");

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JButton reset = new JButton("reset");
    reset.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT).setToIdentity();
            vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW).setToIdentity();
        }
    });

    JPanel controls = new JPanel();
    controls.add(plus);
    controls.add(minus);
    controls.add(reset);
    content.add(controls, BorderLayout.SOUTH);

    frame.pack();
    frame.setVisible(true);
}