Example usage for java.awt Graphics dispose

Introduction

In this page you can find the example usage for java.awt Graphics 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:edu.ku.brc.specify.rstools.GoogleEarthExporter.java

/**
 * Takes an ImageIcon (in memory) and writes it out to a file.
 * @param icon the image icon/*from w w  w.  jav a  2 s .c  om*/
 * @param output the destination file
 * @return true on success
 * @throws IOException
 */
protected boolean writeImageIconToFile(final ImageIcon icon, final File output) throws IOException {
    if (icon != null && icon.getIconWidth() > 0 && icon.getIconHeight() > 0 && output != null) {
        try {
            BufferedImage bimage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(),
                    BufferedImage.TYPE_INT_ARGB);
            if (bimage != null) {
                Graphics g = bimage.createGraphics();
                if (g != null) {
                    g.drawImage(icon.getImage(), 0, 0, null);
                    g.dispose();
                    ImageIO.write(bimage, "PNG", output);
                    return true;
                }
            }
        } catch (Exception ex) {
            edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
            edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(GoogleEarthExporter.class, ex);
            // no need to throw an exception or display it
        }
    }
    return false;
}

---

From source file:de.tor.tribes.ui.views.DSWorkbenchRankFrame.java

@Override
public void actionPerformed(ActionEvent e) {
    RankTableTab activeTab = getActiveTab();
    if (e.getActionCommand() != null && activeTab != null) {
        if (e.getActionCommand().equals("Find")) {
            BufferedImage back = ImageUtils.createCompatibleBufferedImage(3, 3, BufferedImage.TRANSLUCENT);
            Graphics g = back.getGraphics();
            g.setColor(new Color(120, 120, 120, 120));
            g.fillRect(0, 0, back.getWidth(), back.getHeight());
            g.setColor(new Color(120, 120, 120));
            g.drawLine(0, 0, 3, 3);/*from  w w  w.  ja  va 2 s. c om*/
            g.dispose();
            TexturePaint paint = new TexturePaint(back,
                    new Rectangle2D.Double(0, 0, back.getWidth(), back.getHeight()));
            jxSearchPane.setBackgroundPainter(new MattePainter(paint));
            DefaultListModel model = new DefaultListModel();

            for (int i = 0; i < activeTab.getRankTable().getColumnCount(); i++) {
                TableColumnExt col = activeTab.getRankTable().getColumnExt(i);
                if (col.isVisible()) {
                    if (col.getTitle().equals("Name") || col.getTitle().equals("Tag")
                            || col.getTitle().equals("Stamm")) {
                        model.addElement(col.getTitle());
                    }

                }
            }
            jXColumnList.setModel(model);
            jXColumnList.setSelectedIndex(0);
            jxSearchPane.setVisible(true);
        }
    }

}

---

From source file:com.klwork.common.utils.WebUtils.java

/**
 * ???//www .j  ava2  s  .c  om
 * @param request
 * @param response
 */
public static void VerificationCode(HttpServletRequest request, HttpServletResponse response) throws Exception {
    response.setHeader("Pragma", "No-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setDateHeader("Expires", 0);
    // 
    int width = 60, height = 20;
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    // ?
    Graphics g = image.getGraphics();

    // ??
    Random random = new Random();

    // 
    g.setColor(getRandColor(200, 250));
    g.fillRect(0, 0, width, height);

    // 
    g.setFont(new Font("Times New Roman", Font.PLAIN, 18));

    // 
    // g.setColor(new Color());
    // g.drawRect(0,0,width-1,height-1);

    // ?155?????
    g.setColor(getRandColor(160, 200));
    for (int i = 0; i < 155; i++) {
        int x = random.nextInt(width);
        int y = random.nextInt(height);
        int xl = random.nextInt(12);
        int yl = random.nextInt(12);
        g.drawLine(x, y, x + xl, y + yl);
    }

    String base = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQUSTUVWXYZ0123456789";
    // ????(4?)
    String sRand = "";
    for (int i = 0; i < 4; i++) {
        int start = random.nextInt(base.length());
        String rand = base.substring(start, start + 1);
        sRand = sRand.concat(rand);
        // ??
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(rand, 13 * i + 6, 16);
    }

    // ??SESSION
    request.getSession().setAttribute("entrymrand", sRand);

    // 
    g.dispose();
    OutputStream out = response.getOutputStream();
    // ?
    ImageIO.write(image, "JPEG", out);

    out.flush();
    out.close();
}

---

From source file:it.geosolutions.opensdi2.mvc.BaseFileManager.java

/**
 * Generate a image thumb//from   w ww  .j  a va 2s . co m
 * 
 * @param toServeUp
 * @param thumbPath
 * @return
 * @throws IOException
 */
protected InputStream getImageThumb(File toServeUp, String thumbPath) throws IOException {
    BufferedImage image = ImageIO.read(toServeUp);
    ImageIcon img = new ImageIcon(
            new ImageIcon(image).getImage().getScaledInstance(THUMB_W, THUMB_H, Image.SCALE_FAST));
    BufferedImage bimage = new BufferedImage(THUMB_W, THUMB_H, BufferedImage.TYPE_INT_RGB);

    // Copy image to buffered image
    Graphics g = bimage.createGraphics();
    g.drawImage(img.getImage(), 0, 0, null);
    g.dispose();
    ImageIO.write(bimage, "jpg", new File(thumbPath));
    return new java.io.FileInputStream(thumbPath);
}

---

From source file:org.opensha.commons.util.FileUtils.java

/**
 * Prints a Text file/*from   w w w  . ja v  a 2s . c om*/
 * @param pjob PrintJob  created using getToolkit().getPrintJob(JFrame,String,Properties);
 * @param pg Graphics
 * @param textToPrint String
 */
public static void print(PrintJob pjob, Graphics pg, String textToPrint) {

    int margin = 60;

    int pageNum = 1;
    int linesForThisPage = 0;
    int linesForThisJob = 0;
    // Note: String is immutable so won't change while printing.
    if (!(pg instanceof PrintGraphics)) {
        throw new IllegalArgumentException("Graphics context not PrintGraphics");
    }
    StringReader sr = new StringReader(textToPrint);
    LineNumberReader lnr = new LineNumberReader(sr);
    String nextLine;
    int pageHeight = pjob.getPageDimension().height - margin;
    Font helv = new Font("Monaco", Font.PLAIN, 12);
    //have to set the font to get any output
    pg.setFont(helv);
    FontMetrics fm = pg.getFontMetrics(helv);
    int fontHeight = fm.getHeight();
    int fontDescent = fm.getDescent();
    int curHeight = margin;
    try {
        do {
            nextLine = lnr.readLine();
            if (nextLine != null) {
                if ((curHeight + fontHeight) > pageHeight) {
                    // New Page
                    if (linesForThisPage == 0)
                        break;

                    pageNum++;
                    linesForThisPage = 0;
                    pg.dispose();
                    pg = pjob.getGraphics();
                    if (pg != null) {
                        pg.setFont(helv);
                    }
                    curHeight = 0;
                }
                curHeight += fontHeight;
                if (pg != null) {
                    pg.drawString(nextLine, margin, curHeight - fontDescent);
                    linesForThisPage++;

                    linesForThisJob++;
                }
            }
        } while (nextLine != null);
    } catch (EOFException eof) {
        // Fine, ignore
    } catch (Throwable t) { // Anything else
        t.printStackTrace();
    }
}

---

From source file:se.llbit.chunky.resources.Texture.java

public void setTexture(BufferedImage newImage) {
    if (newImage.getType() == BufferedImage.TYPE_INT_ARGB) {
        image = newImage;/*from   w  w  w .  j  a  v a 2 s.  c o  m*/
    } else {
        // convert to ARGB
        image = new BufferedImage(newImage.getWidth(), newImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
        Graphics g = image.createGraphics();
        g.drawImage(newImage, 0, 0, null);
        g.dispose();
    }

    // gamma correct the texture
    avgColorLinear = new float[] { 0, 0, 0, 0 };

    DataBufferInt dataBuffer = (DataBufferInt) image.getRaster().getDataBuffer();
    int[] data = dataBuffer.getData();
    width = image.getWidth();
    height = image.getHeight();
    linear = new float[width * height][4];
    for (int y = 0; y < height; ++y) {
        for (int x = 0; x < width; ++x) {
            int index = width * y + x;
            Color.getRGBAComponents(data[index], linear[index]);
            linear[index][0] = (float) FastMath.pow(linear[index][0], Scene.DEFAULT_GAMMA);
            linear[index][1] = (float) FastMath.pow(linear[index][1], Scene.DEFAULT_GAMMA);
            linear[index][2] = (float) FastMath.pow(linear[index][2], Scene.DEFAULT_GAMMA);
            avgColorLinear[0] += linear[index][3] * linear[index][0];
            avgColorLinear[1] += linear[index][3] * linear[index][1];
            avgColorLinear[2] += linear[index][3] * linear[index][2];
            avgColorLinear[3] += linear[index][3];
        }
    }

    if (PersistentSettings.getSingleColorTextures()) {
        float[] avgColorFlat = { 0, 0, 0 };
        if (avgColorLinear[3] > 0.001) {
            avgColorFlat[0] = avgColorLinear[0] / avgColorLinear[3];
            avgColorFlat[1] = avgColorLinear[1] / avgColorLinear[3];
            avgColorFlat[2] = avgColorLinear[2] / avgColorLinear[3];
        }
        for (int y = 0; y < height; ++y) {
            for (int x = 0; x < width; ++x) {
                int index = width * y + x;
                linear[index][0] = avgColorFlat[0];
                linear[index][1] = avgColorFlat[1];
                linear[index][2] = avgColorFlat[2];
                linear[index][3] = 1;
            }
        }
    }

    avgColorLinear[0] /= width * height;
    avgColorLinear[1] /= width * height;
    avgColorLinear[2] /= width * height;
    avgColorLinear[3] /= width * height;

    avgColor = Color.getRGBA(FastMath.pow(avgColorLinear[0], 1 / Scene.DEFAULT_GAMMA),
            FastMath.pow(avgColorLinear[1], 1 / Scene.DEFAULT_GAMMA),
            FastMath.pow(avgColorLinear[2], 1 / Scene.DEFAULT_GAMMA), avgColorLinear[3]);
}

---

From source file:TextBouncer.java

protected void render() {
    Graphics g = getGraphics();//from  w w  w  .  jav  a 2  s.  co m
    if (g != null) {
        Dimension d = getSize();
        if (checkImage(d)) {
            Graphics imageGraphics = image.getGraphics();
            // Clear the image background.
            imageGraphics.setColor(getBackground());
            imageGraphics.fillRect(0, 0, d.width, d.height);
            imageGraphics.setColor(getForeground());
            // Draw this component offscreen.
            paint(imageGraphics);
            // Now put the offscreen image on the screen.
            g.drawImage(image, 0, 0, null);
            // Clean up.
            imageGraphics.dispose();
        }
        g.dispose();
    }
}

---

From source file:TrackFocusDemo.java

protected void paintComponent(Graphics graphics) {
    Graphics g = graphics.create();

    //Draw in our entire space, even if isOpaque is false.
    g.setColor(Color.WHITE);//from  w  w w.j ava2s .com
    g.fillRect(0, 0, image == null ? 125 : image.getWidth(this), image == null ? 125 : image.getHeight(this));

    if (image != null) {
        //Draw image at its natural size of 125x125.
        g.drawImage(image, 0, 0, this);
    }

    //Add a border, red if picture currently has focus
    if (isFocusOwner()) {
        g.setColor(Color.RED);
    } else {
        g.setColor(Color.BLACK);
    }
    g.drawRect(0, 0, image == null ? 125 : image.getWidth(this), image == null ? 125 : image.getHeight(this));
    g.dispose();
}

---

From source file:org.deegree.portal.standard.wms.control.DynLegendListener.java

/**
 * In case the legend can not be obtained from the OGCLayer, this method is called to create a dummy legend image
 * plus the legend title//from www .j av a 2 s .com
 * 
 * @param layerName
 * @return BufferedImage holding the created dummy legend
 */
private BufferedImage createMissingLegend(String layerName) {
    LOG.logDebug("URL is null. Drawing the image from a missingImage variable in init params");
    BufferedImage missingLegend = new BufferedImage(80, 15, BufferedImage.TYPE_INT_RGB);
    Graphics g = missingLegend.getGraphics();
    Rectangle2D rect = g.getFontMetrics().getStringBounds(layerName, g);
    g.dispose();
    missingLegend = new BufferedImage(rect.getBounds().width + 80, missingImg.getHeight() + 15,
            BufferedImage.TYPE_INT_ARGB);
    g = missingLegend.getGraphics();
    g.drawImage(missingImg, 0, 0, null);
    g.setColor(Color.RED);
    if (useLayerTitle) {
        g.drawString(layerName, missingImg.getWidth() + 5,
                missingImg.getHeight() / 2 + g.getFont().getSize() / 2);
    }
    g.dispose();

    return missingLegend;
}

---

From source file:com.synnex.saas.platform.core.servlet.CaptchaServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {//  w  w  w.  j  a  v a 2s .  co m
        int width = 50;
        int height = 18;
        String captchaCode = RandomStringUtils.random(4, true, true);
        HttpSession session = request.getSession(true);
        session.setAttribute("captchaCode", captchaCode);

        response.setContentType("images/jpeg");
        response.setHeader("Pragma", "No-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);

        ServletOutputStream out = response.getOutputStream();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();
        g.setColor(getRandColor(200, 250));
        g.fillRect(0, 0, width, height);
        Font mFont = new Font("Times New Roman", Font.BOLD, 18);
        g.setFont(mFont);
        g.setColor(getRandColor(160, 200));
        Random random = new Random();
        for (int i = 0; i < 155; i++) {
            int x2 = random.nextInt(width);
            int y2 = random.nextInt(height);
            int x3 = random.nextInt(12);
            int y3 = random.nextInt(12);
            g.drawLine(x2, y2, x2 + x3, y2 + y3);
        }
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(captchaCode, 2, 16);
        g.dispose();
        ImageIO.write((BufferedImage) image, "JPEG", out);
        out.close();
    } catch (Exception e) {
        logger.error("Generate captcha failed.", e);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• »