Example usage for java.awt Graphics drawImage

List of usage examples for java.awt Graphics drawImage

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Introduction

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

Prototype

public abstract boolean drawImage(Image img, int x, int y, int width, int height, ImageObserver observer);

Source Link

Document

Draws as much of the specified image as has already been scaled to fit inside the specified rectangle.

Usage

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./*w  ww  . j  a 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.//from w  w  w. j a  va  2s.co  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);
}

From source file:org.dd4t.mvc.controllers.AbstractBinaryController.java

private void fillResponse(final HttpServletRequest request, final HttpServletResponse response,
        final Binary binary, final String path, int resizeToWidth) throws IOException {
    InputStream content = null;/* www  . j  av a2  s. c o  m*/

    try {
        final long contentLength;
        if (isUseBinaryStorage()) {
            // Check last modified dates
            File binaryFile = new File(path);
            if (!binaryFile.exists() || binary.getLastPublishedDate().isAfter(binaryFile.lastModified())) {
                if (resizeToWidth == -1) {
                    saveBinary(binary, binaryFile);
                } else {
                    File tempBinary = new File(path + ".tmp");
                    saveBinary(binary, tempBinary);
                    content = new FileInputStream(tempBinary);
                    BufferedImage before = ImageIO.read(content);
                    int w = before.getWidth();
                    int h = before.getHeight();
                    float factor = (float) resizeToWidth / w;
                    int newH = Math.round(factor * h);

                    BufferedImage after = new BufferedImage(resizeToWidth, newH, BufferedImage.TYPE_INT_RGB);
                    Graphics g = after.createGraphics();
                    g.drawImage(before, 0, 0, resizeToWidth, newH, null);
                    g.dispose();

                    ImageIO.write(after, getImageType(path), binaryFile);
                }
            }
            content = new FileInputStream(binaryFile);
            contentLength = binaryFile.length();
        } else {
            content = binary.getBinaryData().getInputStream();
            contentLength = binary.getBinaryData().getDataSize();
        }

        response.setContentType(getContentType(binary, path, request));
        response.setHeader(CONTENT_LENGTH, Long.toString(contentLength));
        response.setHeader(LAST_MODIFIED, createDateFormat().format(binary.getLastPublishedDate().toDate()));
        response.setStatus(HttpStatus.OK.value());

        // Write binary data to output stream
        byte[] buffer = new byte[response.getBufferSize()];
        int len;
        while ((len = content.read(buffer)) != -1) {
            response.getOutputStream().write(buffer, 0, len);
        }
    } finally {
        if (content != null) {
            try {
                content.close();
            } catch (IOException e) {
                LOG.error("Failed to close binary input stream", e);
            }
        }
    }
}

From source file:ScaleTest_2008.java

/**
 * Progressive bilinear scaling: for any downscale size, scale
 * iteratively by halves using BILINEAR filtering until the proper 
 * size is reached./*from  w  w  w.ja  v  a2s .c  o  m*/
 */
private BufferedImage getOptimalScalingImage(BufferedImage inputImage, int startSize, int endSize) {
    int currentSize = startSize;
    BufferedImage currentImage = inputImage;
    int delta = currentSize - endSize;
    int nextPow2 = currentSize >> 1;
    while (currentSize > 1) {
        if (delta <= nextPow2) {
            if (currentSize != endSize) {
                BufferedImage tmpImage = new BufferedImage(endSize, endSize, BufferedImage.TYPE_INT_RGB);
                Graphics g = tmpImage.getGraphics();
                ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR);
                g.drawImage(currentImage, 0, 0, tmpImage.getWidth(), tmpImage.getHeight(), null);
                currentImage = tmpImage;
            }
            return currentImage;
        } else {
            BufferedImage tmpImage = new BufferedImage(currentSize >> 1, currentSize >> 1,
                    BufferedImage.TYPE_INT_RGB);
            Graphics g = tmpImage.getGraphics();
            ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            g.drawImage(currentImage, 0, 0, tmpImage.getWidth(), tmpImage.getHeight(), null);
            currentImage = tmpImage;
            currentSize = currentImage.getWidth();
            delta = currentSize - endSize;
            nextPow2 = currentSize >> 1;
        }
    }
    return currentImage;
}

From source file:se.llbit.chunky.renderer.test.TestRenderer.java

@Override
public void drawBufferedImage(Graphics g, int width, int height) {
    synchronized (backBuffer) {
        g.drawImage(backBuffer, 0, 0, width, height, null);
    }/*from w  ww. jav  a  2 s  .  c  om*/
}

From source file:se.llbit.chunky.renderer.cl.CLRenderManager.java

@Override
public void drawBufferedImage(Graphics g, int width, int height) {
    synchronized (buffer) {
        g.drawImage(buffer, 0, 0, width, height, null);
    }//w ww . j  av a 2 s .co  m
}

From source file:org.jas.dnd.DragTooltipDialog.java

public void setContent(final Picture picture) {
    jContentPane.setName(DRAG_DIALOG_NAME);
    final Dimension d = calculateImagePanelSize(picture);
    final int width = d.width;
    final int height = d.height;
    JPanel imagePanel = new JPanel() {
        private static final long serialVersionUID = 1L;

        @Override// w w w.ja v a 2 s .  c o m
        protected void paintComponent(Graphics g) {
            g.drawImage(picture.getImage(), 0, 0, width, height, null);
        }
    };
    descriptionPanel.setBounds(7, 20, width, height);
    descriptionPanel.add(imagePanel);
    this.setFullSize(width + 14, height + dragIcon.getHeight() + 7);
    TransparencyManagerFactory.getManager().setWindowOpaque(this, false);
}

From source file:net.bioclipse.model.ScatterPlotMouseHandler.java

@Override
public void mouseDragged(MouseEvent e) {
    super.mouseDragged(e);

    ChartPanel chartPanel = getChartPanel(e);
    JFreeChart selectedChart = chartPanel.getChart();
    ChartDescriptor cd = ChartUtils.getChartDescriptor(selectedChart);
    int[] indices = cd.getSourceIndices();

    XYPlot plot = (XYPlot) chartPanel.getChart().getPlot();

    //Create double buffer
    Image buffer = chartPanel.createImage(chartPanel.getWidth(), chartPanel.getHeight());
    Graphics bufferGraphics = buffer.getGraphics();
    chartPanel.paint(bufferGraphics);//from w w w. j a va  2  s  .c  om

    if (lastX == 0 && lastY == 0) {
        lastX = e.getX();
        lastY = e.getY();
    }

    drawRect = new Rectangle();
    int x1 = Math.min(Math.min(e.getX(), lastX), startX);
    int y1 = Math.min(Math.min(e.getY(), lastY), startY);
    int x2 = Math.max(Math.max(e.getX(), lastX), startX);
    int y2 = Math.max(Math.max(e.getY(), lastY), startY);

    drawRect.x = x1;
    drawRect.y = y1;
    drawRect.width = x2 - drawRect.x;
    drawRect.height = y2 - drawRect.y;

    //Create a clipping rectangle
    Rectangle clipRect = new Rectangle(drawRect.x - 100, drawRect.y - 100, drawRect.width + 200,
            drawRect.height + 200);

    //Check for selected points
    for (int j = 0; j < plot.getDataset().getItemCount(plot.getDataset().getSeriesCount() - 1); j++) {
        for (int i = 0; i < plot.getDataset().getSeriesCount(); i++) {
            Number xK = plot.getDataset().getX(i, j);
            Number yK = plot.getDataset().getY(i, j);
            Point2D datasetPoint2D = new Point2D.Double(domainValueTo2D(chartPanel, plot, xK.doubleValue()),
                    rangeValueTo2D(chartPanel, plot, yK.doubleValue()));

            if (drawRect.contains(datasetPoint2D)) {
                PlotPointData cp = new PlotPointData(indices[j], cd.getXLabel(), cd.getYLabel());
                boolean pointAdded = mouseDragSelection.addPoint(cp);
                if (pointAdded) {
                    ((ScatterPlotRenderer) plot.getRenderer()).addMarkedPoint(j, i);
                    selectedChart.plotChanged(new PlotChangeEvent(plot));
                }
            } else if (!mouseDragSelection.isEmpty()) {
                PlotPointData cp = new PlotPointData(indices[j], cd.getXLabel(), cd.getYLabel());
                boolean pointRemoved = mouseDragSelection.removePoint(cp);
                if (pointRemoved) {
                    ((ScatterPlotRenderer) plot.getRenderer()).removeMarkedPoint(new Point(j, i));
                    selectedChart.plotChanged(new PlotChangeEvent(plot));
                }
            }
        }
    }

    Iterator<PlotPointData> iterator = currentSelection.iterator();
    while (iterator.hasNext()) {
        PlotPointData next = iterator.next();
        Point dataPoint = next.getDataPoint();
        ((ScatterPlotRenderer) plot.getRenderer()).addMarkedPoint(dataPoint);
    }

    lastX = e.getX();
    lastY = e.getY();

    Graphics graphics = chartPanel.getGraphics();
    graphics.setClip(clipRect);

    //Draw selection rectangle
    bufferGraphics.drawRect(drawRect.x, drawRect.y, drawRect.width, drawRect.height);

    graphics.drawImage(buffer, 0, 0, chartPanel.getWidth(), chartPanel.getHeight(), null);
}

From source file:org.esa.s1tbx.ocean.toolviews.polarview.polarplot.PolarCanvas.java

private void drawColorBar(Graphics g, Axis cAxis) {
    final Dimension cbSize = new Dimension((int) (graphSize.width * 0.03),
            (int) (Math.min(200, graphSize.height * 0.6)));
    final Point at = new Point(20, -30);

    g.translate(at.x, at.y);/*from   ww  w .java  2s .com*/
    g.drawImage(colorBar, 0, 0, cbSize.width, cbSize.height, this);
    g.drawRect(0, 0, cbSize.width, cbSize.height);
    g.translate(cbSize.width, cbSize.height);
    cAxis.draw(g, cbSize);
    g.drawString(cAxis.getUnit(), 50, 5);
    g.translate(-cbSize.width - at.x, -cbSize.height - at.y);
}

From source file:org.esa.nest.dat.views.polarview.PolarCanvas.java

private void drawColorBar(Graphics g, Axis cAxis) {
    final Dimension cbSize = new Dimension((int) (graphSize.width * 0.03),
            (int) (Math.min(200, graphSize.height * 0.6)));
    final Point at = new Point(20, -100);

    g.translate(at.x, at.y);//  ww  w . j  a  v a2 s  .c om
    g.drawImage(colorBar, 0, 0, cbSize.width, cbSize.height, this);
    g.drawRect(0, 0, cbSize.width, cbSize.height);
    g.translate(cbSize.width, cbSize.height);
    cAxis.draw(g, cbSize);
    g.drawString(cAxis.getUnit(), 50, 5);
    g.translate(-cbSize.width - at.x, -cbSize.height - at.y);
}