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:org.polymap.core.data.image.ImageGrayscaleProcessor.java

protected Image grayscale(Image image) {
    long start = System.currentTimeMillis();

    // load image data
    new javax.swing.ImageIcon(image).getImage();

    if (!(image instanceof BufferedImage)) {
        BufferedImage bimage = new BufferedImage(image.getHeight(null), image.getWidth(null),
                BufferedImage.TYPE_4BYTE_ABGR);
        Graphics g = bimage.getGraphics();
        g.drawImage(image, 0, 0, null);//from   ww  w. j av  a  2  s. c  o m
        g.dispose();

        image = bimage;
    }

    // grayscale
    ColorConvertOp filter = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);

    BufferedImage grayImage = new BufferedImage(image.getHeight(null), image.getWidth(null),
            BufferedImage.TYPE_4BYTE_ABGR);

    Graphics g = grayImage.getGraphics();
    filter.filter((BufferedImage) image, grayImage);
    g.dispose();

    log.info("Gray scaling took: " + (System.currentTimeMillis() - start) + "ms");
    return grayImage;
}

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From source file:ClipImage.java

public void run() {
    Thread me = Thread.currentThread();
    while (thread == me && isShowing()) {
        Graphics g = getGraphics();
        paint(g);//w  w  w  . jav a 2s .c  o m
        g.dispose();
        thread.yield();
    }
    thread = null;
}

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From source file:com.codenvy.corp.MainPage.java

private void addText(File file, String burnDownInfo) throws IOException {
    BufferedImage image = ImageIO.read(file);
    Graphics g = image.getGraphics();
    g.setColor(Color.RED);//from www.j  av  a 2 s  .  c  o  m
    g.setFont(g.getFont().deriveFont(30f));
    g.drawString(burnDownInfo, 550, 45);
    g.dispose();
    ImageIO.write(image, "png", file);
}

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From source file:ClipImage.java

public void run() {

    Thread me = Thread.currentThread();

    while (thread == me && isShowing()) {
        Graphics g = getGraphics();
        paint(g);//from   w  w  w.j  a  v a2  s  . c o m
        g.dispose();
        thread.yield();
    }
    thread = null;
}

---

From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactoryTest.java

@Test
public void testCreateFromImageINT_ARGB() throws IOException {
    // workaround Open JDK bug
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7044758
    if (System.getProperty("java.runtime.name").equals("OpenJDK Runtime Environment")
            && (System.getProperty("java.specification.version").equals("1.6")
                    || System.getProperty("java.specification.version").equals("1.7")
                    || System.getProperty("java.specification.version").equals("1.8"))) {
        return;/*from ww  w.  j a v  a  2s  . c o  m*/
    }

    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(JPEGFactoryTest.class.getResourceAsStream("jpeg.jpg"));

    // create an ARGB image
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage argbImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics ag = argbImage.getGraphics();
    ag.drawImage(image, 0, 0, null);
    ag.dispose();

    for (int x = 0; x < argbImage.getWidth(); ++x) {
        for (int y = 0; y < argbImage.getHeight(); ++y) {
            argbImage.setRGB(x, y, (argbImage.getRGB(x, y) & 0xFFFFFF) | ((y / 10 * 10) << 24));
        }
    }

    PDImageXObject ximage = JPEGFactory.createFromImage(argbImage);
    validate(ximage, 8, width, height, "jpg", PDDeviceRGB.INSTANCE.getName());
    assertNotNull(ximage.getSoftMask());
    validate(ximage.getSoftMask(), 8, width, height, "jpg", PDDeviceGray.INSTANCE.getName());
    assertTrue(colorCount(ximage.getSoftMask().getImage()) > image.getHeight() / 10);

    doWritePDF(document, ximage, testResultsDir, "jpeg-intargb.pdf");
}

---

From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactoryTest.java

@Test
public void testCreateFromImage4BYTE_ABGR() throws IOException {
    // workaround Open JDK bug
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7044758
    if (System.getProperty("java.runtime.name").equals("OpenJDK Runtime Environment")
            && (System.getProperty("java.specification.version").equals("1.6")
                    || System.getProperty("java.specification.version").equals("1.7")
                    || System.getProperty("java.specification.version").equals("1.8"))) {
        return;//from  w w w. j ava  2 s. co m
    }

    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(JPEGFactoryTest.class.getResourceAsStream("jpeg.jpg"));

    // create an ARGB image
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage argbImage = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
    Graphics ag = argbImage.getGraphics();
    ag.drawImage(image, 0, 0, null);
    ag.dispose();

    for (int x = 0; x < argbImage.getWidth(); ++x) {
        for (int y = 0; y < argbImage.getHeight(); ++y) {
            argbImage.setRGB(x, y, (argbImage.getRGB(x, y) & 0xFFFFFF) | ((y / 10 * 10) << 24));
        }
    }

    PDImageXObject ximage = JPEGFactory.createFromImage(argbImage);
    validate(ximage, 8, width, height, "jpg", PDDeviceRGB.INSTANCE.getName());
    assertNotNull(ximage.getSoftMask());
    validate(ximage.getSoftMask(), 8, width, height, "jpg", PDDeviceGray.INSTANCE.getName());
    assertTrue(colorCount(ximage.getSoftMask().getImage()) > image.getHeight() / 10);

    doWritePDF(document, ximage, testResultsDir, "jpeg-4bargb.pdf");
}

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From source file:BlurredImage.java

public void paint(Graphics g) {
    try {/*from ww  w .  ja  v  a 2s  .  c om*/
        BufferedImage myImage = ImageIO.read(this.getClass().getResource("redrock.png"));

        BufferedImage filteredImage = new BufferedImage(myImage.getWidth(null), myImage.getHeight(null),
                BufferedImage.TYPE_BYTE_GRAY);

        Graphics g1 = filteredImage.getGraphics();
        g1.drawImage(myImage, 400, 200, null);

        float[] blurKernel = { 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f };

        BufferedImageOp blur = new ConvolveOp(new Kernel(3, 3, blurKernel));
        myImage = blur.filter(myImage, null);
        g1.dispose();

        Graphics2D g2d = (Graphics2D) g;
        g2d.drawImage(myImage, null, 3, 3);
    } catch (Exception e) {

    }
}

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From source file:com.ace.erp.controller.sys.company.OrganizationController.java

@RequestMapping(value = "/company/uploadLogo", method = RequestMethod.POST)
@ResponseBody//from   w  w  w.java  2  s  . c  om
public Response uploadLogo(@CurrentUser User user, String srcImageFile, int x, int y, int destWidth,
        int destHeight, int srcShowWidth, int srcShowHeight, HttpServletRequest request) {
    try {
        String path = request.getSession().getServletContext().getRealPath("/");
        String contextPath = request.getContextPath();
        Image img;
        ImageFilter cropFilter;
        //String srcFileName = FilenameUtils.getName(srcImageFile);
        String srcFileName = StringUtils.isNotBlank(contextPath) ? srcImageFile.replaceFirst(contextPath, "")
                : srcImageFile;
        // ???
        File srcFile = new File(path + "/" + srcFileName);

        BufferedImage bi = ImageIO.read(srcFile);
        //??????????
        int srcWidth = bi.getWidth(); // ?
        int srcHeight = bi.getHeight(); // ?
        if (srcShowWidth == 0)
            srcShowWidth = srcWidth;
        if (srcShowHeight == 0)
            srcShowHeight = srcHeight;

        if (srcShowWidth >= destWidth && srcShowHeight >= destHeight) {
            //???
            Image image = bi.getScaledInstance(srcShowWidth, srcShowHeight, Image.SCALE_DEFAULT);

            cropFilter = new CropImageFilter(x, y, destWidth, destHeight);

            img = Toolkit.getDefaultToolkit()
                    .createImage(new FilteredImageSource(image.getSource(), cropFilter));
            BufferedImage tag = new BufferedImage(destWidth, destHeight, BufferedImage.TYPE_INT_RGB);
            Graphics g = tag.getGraphics();
            g.drawImage(img, 0, 0, null); // ??
            g.dispose();

            String ext = FilenameUtils.getExtension(srcImageFile);

            //path += HEADER_PIC;
            //User loginUser = SystemUtil.getLoginUser(request.getSession());
            //String fileName = user.getOrganizationList().get(0).getId()+"";
            File destImageFile = new File(path + "/" + System.currentTimeMillis() + ".jpg");
            // 
            ImageIO.write(tag, ext, destImageFile);

            //loginUser.setPicPath(SystemConst.SYSTEM_CONTEXT_PATH_VALUE + HEADER_PIC + "/" + fileName);
            //userService.update(loginUser);
            // 
            srcFile.delete();
            return new Response(new ResponseHeader(200, 20));
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:net.pms.medialibrary.commons.helpers.FileImportHelper.java

/**
 * Creates a buffered image from an image
 * @param image the image/*from w  w w.  j av a  2  s . co  m*/
 * @return the buffered image
 */
public static BufferedImage getBufferedImage(Image image) {
    if (image instanceof BufferedImage) {
        return (BufferedImage) image;
    }

    // This code ensures that all the pixels in the image are loaded
    image = new ImageIcon(image).getImage();

    // Determine if the image has transparent pixels; for this method's
    // implementation, see Determining If an Image Has Transparent Pixels
    boolean hasAlpha = hasAlpha(image);

    // Create a buffered image with a format that's compatible with the screen
    BufferedImage bimage = null;
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    try {
        // Determine the type of transparency of the new buffered image
        int transparency = Transparency.OPAQUE;
        if (hasAlpha) {
            transparency = Transparency.BITMASK;
        }

        // Create the buffered image
        GraphicsDevice gs = ge.getDefaultScreenDevice();
        GraphicsConfiguration gc = gs.getDefaultConfiguration();
        bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);
    } catch (HeadlessException e) {
        // The system does not have a screen
    }

    if (bimage == null) {
        // Create a buffered image using the default color model
        int type = BufferedImage.TYPE_INT_RGB;
        if (hasAlpha) {
            type = BufferedImage.TYPE_INT_ARGB;
        }
        bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
    }

    // Copy image to buffered image
    Graphics g = bimage.createGraphics();

    // Paint the image onto the buffered image
    g.drawImage(image, 0, 0, null);
    g.dispose();

    return bimage;
}

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From source file:MouseDragActionPanel.java

public void mouseDragged(MouseEvent evt) {
    int x = evt.getX();
    int y = evt.getY();

    if (currentSquareIndex >= 0) {
        Graphics g = getGraphics();
        g.setXORMode(getBackground());//from  www.ja  v  a  2 s  . c o  m
        ((Graphics2D) g).draw(squares[currentSquareIndex]);
        squares[currentSquareIndex].x = x;
        squares[currentSquareIndex].y = y;
        ((Graphics2D) g).draw(squares[currentSquareIndex]);
        g.dispose();
    }
}

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