Example usage for java.awt Graphics2D dispose

Introduction

In this page you can find the example usage for java.awt Graphics2D dispose.

Prototype

public abstract void dispose();

Source Link

Document

Disposes of this graphics context and releases any system resources that it is using.

Usage

From source file:com.igormaznitsa.mindmap.swing.panel.MindMapPanel.java

public static BufferedImage renderMindMapAsImage(final MindMap model, final MindMapPanelConfig cfg,
        final boolean expandAll) {
    final MindMap workMap = new MindMap(model, null);
    workMap.resetPayload();/*from   ww w  .  j  a v  a  2s  .co m*/

    if (expandAll) {
        MindMapUtils.removeCollapseAttr(workMap);
    }

    final Dimension2D blockSize = calculateSizeOfMapInPixels(workMap, cfg, expandAll);
    if (blockSize == null) {
        return null;
    }

    final BufferedImage img = new BufferedImage((int) blockSize.getWidth(), (int) blockSize.getHeight(),
            BufferedImage.TYPE_INT_ARGB);
    final Graphics2D gfx = img.createGraphics();
    try {
        Utils.prepareGraphicsForQuality(gfx);
        gfx.setClip(0, 0, img.getWidth(), img.getHeight());
        layoutFullDiagramWithCenteringToPaper(gfx, workMap, cfg, blockSize);
        drawOnGraphicsForConfiguration(gfx, cfg, workMap, false, null);
    } finally {
        gfx.dispose();
    }
    return img;
}

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From source file:de.thm.arsnova.ImageUtils.java

/**
 * Rescales an image represented by a Base64-encoded {@link String}
 *
 * @param originalImageString//from  ww w .  j  av  a 2s . c  o  m
 *            The original image represented by a Base64-encoded
 *            {@link String}
 * @param width
 *            the new width
 * @param height
 *            the new height
 * @return The rescaled Image as Base64-encoded {@link String}, returns null
 *         if the passed-on image isn't in a valid format (a Base64-Image).
 */
public String createCover(String originalImageString, final int width, final int height) {
    if (!isBase64EncodedImage(originalImageString)) {
        return null;
    } else {
        final String[] imgInfo = extractImageInfo(originalImageString);

        // imgInfo isn't null and contains two fields, this is checked by "isBase64EncodedImage"-Method
        final String extension = imgInfo[0];
        final String base64String = imgInfo[1];

        byte[] imageData = Base64.decodeBase64(base64String);
        try {
            BufferedImage originalImage = ImageIO.read(new ByteArrayInputStream(imageData));
            BufferedImage newImage = new BufferedImage(width, height, originalImage.getType());
            Graphics2D g = newImage.createGraphics();

            final double ratio = ((double) originalImage.getWidth()) / ((double) originalImage.getHeight());

            int x = 0, y = 0, w = width, h = height;
            if (originalImage.getWidth() > originalImage.getHeight()) {
                final int newWidth = (int) Math.round((float) height * ratio);
                x = -(newWidth - width) >> 1;
                w = newWidth;
            } else if (originalImage.getWidth() < originalImage.getHeight()) {
                final int newHeight = (int) Math.round((float) width / ratio);
                y = -(newHeight - height) >> 1;
                h = newHeight;
            }
            g.drawImage(originalImage, x, y, w, h, null);
            g.dispose();

            StringBuilder result = new StringBuilder();
            result.append("data:image/");
            result.append(extension);
            result.append(";base64,");

            ByteArrayOutputStream output = new ByteArrayOutputStream();
            ImageIO.write(newImage, extension, output);

            output.flush();
            output.close();

            result.append(Base64.encodeBase64String(output.toByteArray()));

            return result.toString();
        } catch (IOException e) {
            LOGGER.error(e.getLocalizedMessage());
            return null;
        }
    }
}

---

From source file:coolmap.canvas.datarenderer.renderer.impl.NumberComposite.java

private void updateLegend() {
    try {//from w  ww  .j  av  a2s .  c o  m
        ArrayList<Image> legends = new ArrayList<Image>(4);
        if (singleRenderer != null && singleRenderer.getLegend() != null) {
            legends.add(singleRenderer.getLegend());
        }
        if (rowGroupRenderer != null && rowGroupRenderer.getLegend() != null) {
            legends.add(rowGroupRenderer.getLegend());
        }
        if (columnGroupRenderer != null && columnGroupRenderer.getLegend() != null) {
            legends.add(columnGroupRenderer.getLegend());
        }
        if (rowColumnGroupRenderer != null && rowColumnGroupRenderer.getLegend() != null) {
            legends.add(rowColumnGroupRenderer.getLegend());
        }

        if (!legends.isEmpty()) {
            int margin = 5;
            int imageWidth = 0;
            int imageHeight = 0;
            for (Image l : legends) {
                imageHeight += margin * 2 + l.getHeight(null);
                if (imageWidth < l.getWidth(null)) {
                    imageWidth = l.getWidth(null);
                }
            }

            imageWidth += margin * 2;

            if (imageWidth > 0 && imageHeight > 0) {
                legend = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                        .getDefaultConfiguration()
                        .createCompatibleImage(imageWidth, imageHeight, Transparency.TRANSLUCENT);
                Graphics2D g2D = legend.createGraphics();
                g2D.translate(margin, 0);
                for (Image l : legends) {
                    g2D.translate(0, margin);
                    g2D.drawImage(l, 0, 0, null);
                    g2D.translate(0, margin + l.getHeight(null));
                }
                g2D.dispose();
            }

        }
    } catch (Exception e) {

    }
}

---

From source file:org.objectweb.proactive.extensions.timitspmd.util.charts.MatrixChart.java

private void buildFinalChart(String title, String subTitle, String filename, String xAxisLabel,
        String yAxisLabel, int width, int height) {
    this.buildMainChart(title, subTitle, xAxisLabel, yAxisLabel, filename);

    this.buildLegendChart(5);

    BufferedImage mainChartImage = this.mainChart.createBufferedImage(width, height);
    BufferedImage legendChartImage = this.legendChart.createBufferedImage(width / 6, height / 3);
    BufferedImage info = null;/*  ww w . jav  a 2 s.  c  o  m*/
    try {
        info = ImageIO.read(MatrixChart.logoFile);
    } catch (IOException ex) {
    }

    BufferedImage total = new BufferedImage(width + (width / 6), height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = total.createGraphics();

    g.drawImage(mainChartImage, 0, 0, null);
    g.drawImage(legendChartImage, width, height / 4, null);
    g.setPaint(Color.WHITE);
    g.fillRect(width, 0, width, height / 4);
    g.fillRect(width, (height / 4) + (height / 3), width, height);
    if (info != null) {
        // g.drawImage(info, (width+(width/6))-info.getWidth(),10, null); //
        // up-right
        g.drawImage(info, (width + (width / 6)) - info.getWidth(), height - info.getHeight(), null); // down-right
    }
    g.dispose();

    try {
        javax.imageio.ImageIO.write(total, "png", XMLHelper.createFileWithDirs(filename));
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.pronoiahealth.olhie.server.services.BookCoverImageService.java

/**
 * Resize an image/*from   w  w  w  .j a  v  a2s .  c o m*/
 * 
 * @param originalImage
 * @param width
 * @param height
 * @param type
 * @return
 */
private BufferedImage resize(BufferedImage originalImage, int width, int height, int type) {
    BufferedImage resizedImage = new BufferedImage(width, height, type);
    Graphics2D g = resizedImage.createGraphics();
    try {
        g.setComposite(AlphaComposite.Src);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g.drawImage(originalImage, 0, 0, width, height, null);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }

    return resizedImage;
}

---

From source file:org.eurocarbdb.application.glycoworkbench.plugin.PeakListChartPanel.java

public void mouseReleased(MouseEvent e) {
    if (MouseUtils.isPopupTrigger(e)) {
        // clear all
        if (zoom_rectangle != null) {
            Graphics2D g2 = (Graphics2D) getGraphics();
            g2.setXORMode(java.awt.Color.gray);
            g2.draw(zoom_rectangle);/*  w  w w .j a  v  a2 s.c o m*/
            g2.dispose();
        }
        mouse_start_point = null;
        zoom_rectangle = null;

        // open popup
        current_peak = findPeakAt(e.getPoint());
        enforceSelection(current_peak);
        createPopupMenu(current_peak != null).show(theChartPanel, e.getX(), e.getY());
    } else {
        if (zoom_rectangle != null && mouse_start_point != null) {
            if (Math.abs(e.getX() - mouse_start_point.getX()) > 10) {
                //if( e.getX() < mouse_start_point.getX() ) {
                // unzoom all
                //    onZoomNone();
                //}
                //else {        

                // zoom area           
                double start_x = Math.min(e.getX(), mouse_start_point.getX());
                double end_x = Math.max(e.getX(), mouse_start_point.getX());

                Rectangle2D data_area = theChartPanel.getScreenDataArea((int) start_x,
                        (int) mouse_start_point.getY());
                double new_lower_bound = screenToDataCoordX(start_x);
                double new_upper_bound = screenToDataCoordX(Math.min(end_x, data_area.getMaxX()));
                thePlot.getDomainAxis().setRange(new Range(new_lower_bound, new_upper_bound));
            } else {
                // clear rectangle
                Graphics2D g2 = (Graphics2D) getGraphics();
                g2.setXORMode(java.awt.Color.gray);
                g2.draw(zoom_rectangle);
                g2.dispose();
            }
        }

        // restore zooming
        if (!was_moving && is_moving)
            onActivateZooming();

        zoom_rectangle = null;
        mouse_start_point = null;
    }
}

---

From source file:gdt.jgui.entity.webset.JWeblinkEditor.java

private void showIconMenu(MouseEvent e) {
    try {/* www  .ja  va2s .  c  o m*/
        iconMenu = new JPopupMenu();
        JMenuItem loadItem = new JMenuItem("Load");
        iconMenu.add(loadItem);
        loadItem.setHorizontalTextPosition(JMenuItem.RIGHT);
        loadItem.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                try {
                    String favicon$ = "http://www.google.com/s2/favicons?domain=" + addressField.getText();
                    URL url = new URL(favicon$);
                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
                    connection.setDoInput(true);
                    connection.connect();
                    InputStream input = connection.getInputStream();
                    ImageIcon icon = new ImageIcon(ImageIO.read(input));
                    int type = BufferedImage.TYPE_INT_RGB;
                    BufferedImage out = new BufferedImage(24, 24, type);
                    Color background = JWeblinkEditor.this.getBackground();
                    Graphics2D g2 = out.createGraphics();
                    g2.setBackground(background);
                    g2.clearRect(0, 0, 24, 24);
                    Image image = icon.getImage();
                    g2.drawImage(image, 4, 4, null);
                    g2.dispose();
                    icon = new ImageIcon(out);
                    iconIcon.setIcon(icon);
                    input.close();
                } catch (Exception ee) {
                    Logger.getLogger(getClass().getName()).info(ee.toString());
                }
            }
        });
        JMenuItem setItem = new JMenuItem("Set");
        iconMenu.add(setItem);
        setItem.setHorizontalTextPosition(JMenuItem.RIGHT);
        setItem.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println("WeblinkEditor:set icon");
                JIconSelector is = new JIconSelector();
                String isLocator$ = is.getLocator();
                if (entihome$ != null)
                    isLocator$ = Locator.append(isLocator$, Entigrator.ENTIHOME, entihome$);
                if (entityKey$ != null)
                    isLocator$ = Locator.append(isLocator$, EntityHandler.ENTITY_KEY, entityKey$);

                String responseLocator$ = getLocator();
                responseLocator$ = Locator.append(responseLocator$, JRequester.REQUESTER_ACTION,
                        ACTION_SET_ICON);
                responseLocator$ = Locator.append(responseLocator$, BaseHandler.HANDLER_METHOD, "response");
                isLocator$ = Locator.append(isLocator$, JRequester.REQUESTER_RESPONSE_LOCATOR,
                        Locator.compressText(responseLocator$));
                JConsoleHandler.execute(console, isLocator$);
            }
        });
        iconMenu.show(e.getComponent(), e.getX(), e.getY());
    } catch (Exception ee) {
        Logger.getLogger(getClass().getName()).severe(ee.toString());
    }
}

---

From source file:edu.csudh.goTorosBank.WithdrawServlet.java

public String writeIntoCheck(String filePath, String username, String theAmount, String amountInWords,
        String dateWrote, String person_payingto, String billType) throws IOException, NullPointerException {

    File blueCheck = new File("blank-blue-check.jpg");
    String pathToOriginal = getServletContext().getRealPath("/" + blueCheck);

    File file = new File(pathToOriginal);
    BufferedImage imageToCopy = null;
    try {// w  ww  .java 2s  .  c  o  m
        imageToCopy = ImageIO.read(file);
    } catch (IOException e) {
        e.printStackTrace();
    }

    String amount = theAmount;
    String person_gettingPayed = person_payingto;
    String amountinWords = amountInWords;
    String date = dateWrote;
    String bill_type = billType;

    int w = imageToCopy.getWidth();
    int h = imageToCopy.getHeight();
    BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(g2d.getBackground());
    g2d.fillRect(0, 0, w, h);
    g2d.drawImage(imageToCopy, 0, -100, null);
    g2d.setPaint(Color.black);
    g2d.setFont(new java.awt.Font("Serif", Font.BOLD, 36));
    //g2d.setFont(new Font("Serif", Font.BOLD, 36));

    FontMetrics fm = g2d.getFontMetrics();
    int x = img.getWidth() - fm.stringWidth(amount) - 100;
    int y = fm.getHeight();
    g2d.drawString(amount, x - 70, y + 335);
    g2d.drawString(person_gettingPayed, x - 800, y + 329);
    g2d.drawString(amountinWords, x - 940, y + 390);
    g2d.drawString(date, x - 340, y + 245);
    g2d.drawString(bill_type, x - 900, y + 530);

    String signature = "Use The Force";
    g2d.setFont(new java.awt.Font("Monotype Corsiva", Font.BOLD | Font.ITALIC, 36));
    g2d.drawString(signature, x - 340, y + 530);
    g2d.dispose();
    /*write check to file*/
    String filename = fileNameGenerator(username);
    String fullname = filePath + "_" + filename + ".jpg";
    ImageIO.write(img, "jpg", new File(fullname));
    return fullname;
}

---

From source file:TapTapTap.java

@Override
public void paint(Graphics g, JComponent c) {
    int w = c.getWidth();
    int h = c.getHeight();

    // Paint the view.
    super.paint(g, c);

    if (!mIsRunning) {
        return;/*from  w  w w  . j a va 2  s .  c om*/
    }

    Graphics2D g2 = (Graphics2D) g.create();

    float fade = (float) mFadeCount / (float) mFadeLimit;
    // Gray it out.
    Composite urComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f * fade));
    g2.fillRect(0, 0, w, h);
    g2.setComposite(urComposite);

    // Paint the wait indicator.
    int s = Math.min(w, h) / 5;
    int cx = w / 2;
    int cy = h / 2;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setStroke(new BasicStroke(s / 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
    g2.setPaint(Color.white);
    g2.rotate(Math.PI * mAngle / 180, cx, cy);
    for (int i = 0; i < 12; i++) {
        float scale = (11.0f - (float) i) / 11.0f;
        g2.drawLine(cx + s, cy, cx + s * 2, cy);
        g2.rotate(-Math.PI / 6, cx, cy);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, scale * fade));
    }

    g2.dispose();
}

---

From source file:web.diva.server.model.SomClustering.SomClustImgGenerator.java

private BufferedImage rotateImage(BufferedImage masterImage, int angle) {
    int virtualAngle = getVirtualAngle(angle);
    Dimension size = new Dimension(masterImage.getWidth(), masterImage.getHeight());
    int masterWidth = masterImage.getWidth();
    int masterHeight = masterImage.getHeight();

    double x = 0; //masterWidth / 2.0;
    double y = 0; //masterHeight / 2.0;

    switch (virtualAngle) {
    case 0://w  w w.  ja va  2s  .c o m
        break;
    case 180:
        break;
    case 90:
    case 270:
        size = new Dimension(masterImage.getHeight(), masterImage.getWidth());
        x = (masterHeight - masterWidth) / 2.0;
        y = (masterWidth - masterHeight) / 2.0;
        break;
    }
    BufferedImage renderedImage = new BufferedImage(size.width, size.height, masterImage.getTransparency());
    Graphics2D g2d = renderedImage.createGraphics();

    AffineTransform at = AffineTransform.getTranslateInstance(x, y);

    at.rotate(Math.toRadians(virtualAngle), masterWidth / 2.0, masterHeight / 2.0);
    g2d.drawImage(masterImage, at, null);

    g2d.dispose();
    return renderedImage;
}

---

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