Example usage for java.awt.image BufferedImage getGraphics

Introduction

In this page you can find the example usage for java.awt.image BufferedImage getGraphics.

Prototype

public java.awt.Graphics getGraphics() 

Source Link

Document

This method returns a Graphics2D , but is here for backwards compatibility.

Usage

From source file:net.sqs2.omr.session.logic.PageImageRenderer.java

public static BufferedImage createImage(long sessionID, SessionSource sessionSource, FormMaster master,
        SourceDirectory rowGroupSourceDirectory, int rowIndex, int focusedColumnIndex, int pageIndex,
        Rectangle scope) throws IOException, ConfigSchemeException {

    float densityThreshold = ((SourceConfig) rowGroupSourceDirectory.getConfiguration().getConfig()
            .getPrimarySourceConfig()).getMarkRecognitionConfig().getMarkRecognitionDensityThreshold();

    PageID pageID = rowGroupSourceDirectory.getPageIDList().get(rowIndex * master.getNumPages() + pageIndex);
    File file = new File(rowGroupSourceDirectory.getRoot(), pageID.getFileResourceID().getRelativePath());

    BufferedImage src = ImageFactory.createImage(FilenameUtils.getExtension(file.getName()), file,
            pageID.getIndexInFile());/*from   w w  w  .  j  a va 2  s.com*/
    Logger.getLogger("PageImageRenderer").info("create image : " + file);
    BufferedImage image = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_INT_RGB);
    copyImage(src, image);
    if (scope != null) {
        //PageTaskAccessor pageTaskAccessor = new PageTaskAccessor(sessionSource.getRootDirectory());
        PageTaskAccessor pageTaskAccessor = sessionSource.getContentAccessor().getPageTaskAccessor();
        OMRPageTask pageTask = pageTaskAccessor.get(pageIndex + 1, pageID);
        SourceDirectoryConfiguration configHandler = getSourceDirectoryConfiguration(sessionSource, pageTask);
        SourceConfig sourceConfig = (SourceConfig) configHandler.getConfig().getSourceConfig(
                pageTask.getPageID().getFileResourceID().getRelativePath(), pageTask.getProcessingPageNumber());
        drawPageState(pageTask, sourceConfig, pageIndex, densityThreshold, master, image, focusedColumnIndex,
                scope); // TODO: draw double-mark ignorance and  no-mark recovery
        pageTaskAccessor.flush();
    }
    image.getGraphics().finalize();
    return image;
}

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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  w ww .  j  ava  2s. 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:org.pentaho.reporting.libraries.base.util.WaitingImageObserver.java

/**
 * The workerthread. Simply draws the image to a BufferedImage's Graphics-Object and waits for the AWT to load the
 * image./*from w  w w .  j  a  va 2s  . c om*/
 */
public synchronized void waitImageLoaded() {

    if (this.lock == false) {
        return;
    }

    final BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
    final Graphics g = img.getGraphics();

    try {
        while (this.lock && error == false) {
            lastUpdate = System.currentTimeMillis();
            if (g.drawImage(this.image, 0, 0, img.getWidth(this), img.getHeight(this), this)) {
                return;
            }

            try {
                wait(500);
            } catch (InterruptedException e) {
                LOGGER.info("WaitingImageObserver.waitImageLoaded(): InterruptedException thrown", e);
            }

            if (lock == false) {
                return;
            }

            if (maxLoadTime > 0 && lastUpdate < (System.currentTimeMillis() - maxLoadTime)) {
                error = true;
                lock = false;
                LOGGER.info("WaitingImageObserver.waitImageLoaded(): Image loading reached timeout.");
                return;
            }
        }
    } finally {
        g.dispose();
    }
}

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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 .  ja va 2 s.  c om*/
    }

    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;/*  w w  w  .ja  va 2 s .  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_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:de.romankreisel.faktotum.beans.BundesbruderBean.java

private Byte[] storeImageToByteArray(Image image) throws IOException {
    if (!(image instanceof RenderedImage)) {
        BufferedImage newImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
                BufferedImage.TYPE_INT_RGB);
        newImage.getGraphics().drawImage(image, 0, 0, null);
        image = newImage;/*  www .ja v  a  2  s . c  om*/
    }
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ImageIO.write((RenderedImage) image, "jpg", byteArrayOutputStream);
    byteArrayOutputStream.flush();
    byte[] imageInByte = byteArrayOutputStream.toByteArray();
    byteArrayOutputStream.close();
    return ArrayUtils.toObject(imageInByte);
}

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From source file:org.springframework.boot.ImageBanner.java

private BufferedImage resizeImage(BufferedImage image, int width, int height) {
    if (width < 1) {
        width = 1;/*from  w  w  w.  j  ava2  s . co  m*/
    }
    if (height <= 0) {
        double aspectRatio = (double) width / image.getWidth() * 0.5;
        height = (int) Math.ceil(image.getHeight() * aspectRatio);
    }
    BufferedImage resized = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Image scaled = image.getScaledInstance(width, height, Image.SCALE_DEFAULT);
    resized.getGraphics().drawImage(scaled, 0, 0, null);
    return resized;
}

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From source file:org.deegree.securityproxy.wms.responsefilter.clipping.SimpleRasterClipper.java

private void executeClipping(Geometry visibleArea, Geometry imgBboxInVisibleAreaCrs, BufferedImage inputImage,
        BufferedImage outputImage) throws FactoryException, TransformException {
    Graphics2D graphics = (Graphics2D) outputImage.getGraphics();
    LiteShape clippingArea = retrieveWorldToScreenClippingArea(visibleArea, imgBboxInVisibleAreaCrs,
            inputImage);//from   w w  w.ja va  2 s.  co  m
    graphics.clip(clippingArea);
    graphics.drawImage(inputImage, null, 0, 0);
}

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From source file:test.unit.be.fedict.eid.applet.service.KmlGeneratorTest.java

@Test
public void identityWithAddressAndPhotoKml() throws Exception {
    // setup//from  www . j  a v a2  s.c om
    Identity identity = new Identity();
    identity.name = "Test Name";
    identity.firstName = "Test First name";
    identity.dateOfBirth = new GregorianCalendar();
    identity.gender = Gender.MALE;

    Address address = new Address();
    address.streetAndNumber = "Test Street 1A";
    address.zip = "1234";
    address.municipality = "Test Municipality";

    BufferedImage image = new BufferedImage(140, 200, BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics = (Graphics2D) image.getGraphics();
    RenderingHints renderingHints = new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING,
            RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    graphics.setRenderingHints(renderingHints);
    graphics.setColor(Color.WHITE);
    graphics.fillRect(1, 1, 140 - 1 - 1, 200 - 1 - 1);
    graphics.setFont(new Font("Dialog", Font.BOLD, 20));
    graphics.setColor(Color.BLACK);
    graphics.drawString("Test Photo", 0, 200 / 2);
    graphics.dispose();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(image, "jpg", baos);
    byte[] photo = baos.toByteArray();

    EIdData eIdData = new EIdData();
    eIdData.identity = identity;
    eIdData.address = address;
    eIdData.photo = photo;

    // operate
    byte[] document = this.testedInstance.generateKml(eIdData);

    // verify
    assertNotNull(document);
    assertTrue(document.length > 0);

    toTmpFile(document);
}

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From source file:test.unit.be.fedict.eid.applet.service.PdfGeneratorTest.java

@Test
public void identityWithAddressAndPhotoPdf() throws Exception {
    // setup/*from  w  w w . j ava 2 s  .  c  om*/
    Identity identity = new Identity();
    identity.name = "Test Name";
    identity.firstName = "Test First name";
    identity.dateOfBirth = new GregorianCalendar();
    identity.gender = Gender.MALE;

    Address address = new Address();
    address.streetAndNumber = "Test Street 1A";
    address.zip = "1234";
    address.municipality = "Test Municipality";

    BufferedImage image = new BufferedImage(140, 200, BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics = (Graphics2D) image.getGraphics();
    RenderingHints renderingHints = new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING,
            RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    graphics.setRenderingHints(renderingHints);
    graphics.setColor(Color.WHITE);
    graphics.fillRect(1, 1, 140 - 1 - 1, 200 - 1 - 1);
    graphics.setFont(new Font("Dialog", Font.BOLD, 20));
    graphics.setColor(Color.BLACK);
    graphics.drawString("Test Photo", 0, 200 / 2);
    graphics.dispose();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(image, "jpg", baos);
    byte[] photo = baos.toByteArray();

    EIdData eIdData = new EIdData();
    eIdData.identity = identity;
    eIdData.address = address;
    eIdData.photo = photo;

    // operate
    byte[] document = this.testedInstance.generatePdf(eIdData);

    // verify
    assertNotNull(document);
    assertTrue(document.length > 0);

    toTmpFile(document);
}

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