Example usage for java.awt Graphics2D drawImage

List of usage examples for java.awt Graphics2D drawImage

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Introduction

In this page you can find the example usage for java.awt Graphics2D 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.github.dactiv.fear.service.service.account.AccountService.java

/**
 * ??//from   ww  w  . jav a2s.  c o m
 *
 * @param sourcePath   ?
 * @param targetPath   ??
 * @param portraitSize ?
 *
 * @throws IOException
 */
private String scaleImage(String sourcePath, String targetPath, PortraitSize portraitSize) throws IOException {
    InputStream inputStream = new FileInputStream(sourcePath);

    BufferedImage source = ImageIO.read(inputStream);
    ColorModel targetColorModel = source.getColorModel();

    inputStream.close();

    int width = portraitSize.getWidth();
    int height = portraitSize.getHeight();

    BufferedImage target = new BufferedImage(targetColorModel,
            targetColorModel.createCompatibleWritableRaster(width, height),
            targetColorModel.isAlphaPremultiplied(), null);

    Image scaleImage = source.getScaledInstance(width, height, Image.SCALE_SMOOTH);

    Graphics2D g = target.createGraphics();
    g.drawImage(scaleImage, 0, 0, width, height, null);
    g.dispose();

    String result = targetPath + portraitSize.getName();
    FileOutputStream fileOutputStream = new FileOutputStream(result);
    ImageIO.write(target, PORTRAIT_PIC_TYPE, fileOutputStream);

    fileOutputStream.close();

    return result;
}

From source file:edu.ku.brc.ui.IconManager.java

/**
 * Gets a scaled icon and if it doesn't exist it creates one and scales it
 * @param icon image to be scaled/*from ww  w.  j  a v a 2  s  . c  o m*/
 * @param iconSize the icon size (Std)
 * @param scaledIconSize the new scaled size in pixels
 * @return the scaled icon
 */
public Image getFastScale(final ImageIcon icon, final IconSize iconSize, final IconSize scaledIconSize) {
    if (icon != null) {
        int width = scaledIconSize.size();
        int height = scaledIconSize.size();

        if ((width < 0) || (height < 0)) { //image is nonstd, revert to original size
            width = icon.getIconWidth();
            height = icon.getIconHeight();
        }

        Image imgMemory = createImage(icon.getImage().getSource());
        //make sure all pixels in the image were loaded
        imgMemory = new ImageIcon(imgMemory).getImage();

        BufferedImage thumbImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        Graphics2D graphics2D = thumbImage.createGraphics();
        graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        graphics2D.drawImage(imgMemory, 0, 0, width, height, null);
        graphics2D.dispose();

        imgMemory = thumbImage;
        return imgMemory;

    }
    //else
    log.error("Couldn't find icon [" + iconSize + "] to scale to [" + scaledIconSize + "]");
    return null;
}

From source file:org.apache.roller.weblogger.business.jpa.JPAMediaFileManagerImpl.java

private void updateThumbnail(MediaFile mediaFile) {
    try {//  w w w . j  a va2 s . c om
        FileContentManager cmgr = WebloggerFactory.getWeblogger().getFileContentManager();
        FileContent fc = cmgr.getFileContent(mediaFile.getWeblog(), mediaFile.getId());
        BufferedImage img = null;

        img = ImageIO.read(fc.getInputStream());

        // determine and save width and height
        mediaFile.setWidth(img.getWidth());
        mediaFile.setHeight(img.getHeight());
        strategy.store(mediaFile);

        int newWidth = mediaFile.getThumbnailWidth();
        int newHeight = mediaFile.getThumbnailHeight();

        // create thumbnail image
        Image newImage = img.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH);
        BufferedImage tmp = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = tmp.createGraphics();
        g2.drawImage(newImage, 0, 0, newWidth, newHeight, null);
        g2.dispose();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(tmp, "png", baos);

        cmgr.saveFileContent(mediaFile.getWeblog(), mediaFile.getId() + "_sm",
                new ByteArrayInputStream(baos.toByteArray()));

    } catch (Exception e) {
        log.debug("ERROR creating thumbnail", e);
    }
}

From source file:gg.msn.ui.panel.MainPanel.java

@Override
public void paintComponent(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    super.paintComponent(g2d);
    g2d.setRenderingHints(/*from w  w  w.  j  a  v  a 2  s.c  om*/
            new RenderingHints(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR));

    try {

        ImageIcon icon = ThemeManager.getTheme().get(ThemeManager.MAIN_BACKGROUND);

        if (icon != null) {
            Image image = icon.getImage();
            g2d.drawImage(image, 0, 0, getWidth(), getHeight(), this);
        } else {
            log.warn("image " + icon.getDescription() + " not Found");
        }

        icon = ThemeManager.getTheme().get(ThemeManager.MAIN_IMAGE);

        if (icon != null) {

            Image cartel = icon.getImage();
            g2d.drawImage(cartel, 0 - cartel.getWidth(this) / 10, getHeight() - cartel.getHeight(this), this);
        } else {
            log.warn("image " + icon.getDescription() + " not Found");
        }
    } catch (Exception e) {
        //            log.error(e);
    }
}

From source file:com.tascape.qa.th.android.driver.App.java

/**
 * The method starts a GUI to let an user inspect element tree and take screenshot when the user is interacting
 * with the app-under-test manually. Please make sure to set timeout long enough for manual interaction.
 *
 * @param timeoutMinutes timeout in minutes to fail the manual steps
 *
 * @throws Exception if case of error//from  ww w  .  j  a v  a 2s.  c o  m
 */
public void interactManually(int timeoutMinutes) throws Exception {
    LOG.info("Start manual UI interaction");
    long end = System.currentTimeMillis() + timeoutMinutes * 60000L;

    AtomicBoolean visible = new AtomicBoolean(true);
    AtomicBoolean pass = new AtomicBoolean(false);
    String tName = Thread.currentThread().getName() + "m";
    SwingUtilities.invokeLater(() -> {
        JDialog jd = new JDialog((JFrame) null, "Manual Device UI Interaction - " + device.getProductDetail());
        jd.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

        JPanel jpContent = new JPanel(new BorderLayout());
        jd.setContentPane(jpContent);
        jpContent.setPreferredSize(new Dimension(1088, 828));
        jpContent.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

        JPanel jpInfo = new JPanel();
        jpContent.add(jpInfo, BorderLayout.PAGE_START);
        jpInfo.setLayout(new BorderLayout());
        {
            JButton jb = new JButton("PASS");
            jb.setForeground(Color.green.darker());
            jb.setFont(jb.getFont().deriveFont(Font.BOLD));
            jpInfo.add(jb, BorderLayout.LINE_START);
            jb.addActionListener(event -> {
                pass.set(true);
                jd.dispose();
                visible.set(false);
            });
        }
        {
            JButton jb = new JButton("FAIL");
            jb.setForeground(Color.red);
            jb.setFont(jb.getFont().deriveFont(Font.BOLD));
            jpInfo.add(jb, BorderLayout.LINE_END);
            jb.addActionListener(event -> {
                pass.set(false);
                jd.dispose();
                visible.set(false);
            });
        }

        JLabel jlTimeout = new JLabel("xxx seconds left", SwingConstants.CENTER);
        jpInfo.add(jlTimeout, BorderLayout.CENTER);
        jpInfo.add(jlTimeout, BorderLayout.CENTER);
        new SwingWorker<Long, Long>() {
            @Override
            protected Long doInBackground() throws Exception {
                while (System.currentTimeMillis() < end) {
                    Thread.sleep(1000);
                    long left = (end - System.currentTimeMillis()) / 1000;
                    this.publish(left);
                }
                return 0L;
            }

            @Override
            protected void process(List<Long> chunks) {
                Long l = chunks.get(chunks.size() - 1);
                jlTimeout.setText(l + " seconds left");
                if (l < 850) {
                    jlTimeout.setForeground(Color.red);
                }
            }
        }.execute();

        JPanel jpResponse = new JPanel(new BorderLayout());
        JPanel jpProgress = new JPanel(new BorderLayout());
        jpResponse.add(jpProgress, BorderLayout.PAGE_START);

        JTextArea jtaJson = new JTextArea();
        jtaJson.setEditable(false);
        jtaJson.setTabSize(4);
        Font font = jtaJson.getFont();
        jtaJson.setFont(new Font("Courier New", font.getStyle(), font.getSize()));

        JTree jtView = new JTree();

        JTabbedPane jtp = new JTabbedPane();
        jtp.add("tree", new JScrollPane(jtView));
        jtp.add("json", new JScrollPane(jtaJson));

        jpResponse.add(jtp, BorderLayout.CENTER);

        JPanel jpScreen = new JPanel();
        jpScreen.setMinimumSize(new Dimension(200, 200));
        jpScreen.setLayout(new BoxLayout(jpScreen, BoxLayout.PAGE_AXIS));
        JScrollPane jsp1 = new JScrollPane(jpScreen);
        jpResponse.add(jsp1, BorderLayout.LINE_START);

        JPanel jpJs = new JPanel(new BorderLayout());
        JTextArea jtaJs = new JTextArea();
        jpJs.add(new JScrollPane(jtaJs), BorderLayout.CENTER);

        JSplitPane jSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, jpResponse, jpJs);
        jSplitPane.setResizeWeight(0.88);
        jpContent.add(jSplitPane, BorderLayout.CENTER);

        JPanel jpLog = new JPanel();
        jpLog.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0));
        jpLog.setLayout(new BoxLayout(jpLog, BoxLayout.LINE_AXIS));

        JCheckBox jcbTap = new JCheckBox("Enable Click", null, false);
        jpLog.add(jcbTap);
        jpLog.add(Box.createHorizontalStrut(8));

        JButton jbLogUi = new JButton("Log Screen");
        jpResponse.add(jpLog, BorderLayout.PAGE_END);
        {
            jpLog.add(jbLogUi);
            jbLogUi.addActionListener((ActionEvent event) -> {
                jtaJson.setText("waiting for screenshot...");
                Thread t = new Thread(tName) {
                    @Override
                    public void run() {
                        LOG.debug("\n\n");
                        try {
                            WindowHierarchy wh = device.loadWindowHierarchy();
                            jtView.setModel(getModel(wh));

                            jtaJson.setText("");
                            jtaJson.append(wh.root.toJson().toString(2));
                            jtaJson.append("\n");

                            File png = device.takeDeviceScreenshot();
                            BufferedImage image = ImageIO.read(png);

                            int w = device.getDisplayWidth();
                            int h = device.getDisplayHeight();

                            BufferedImage resizedImg = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
                            Graphics2D g2 = resizedImg.createGraphics();
                            g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                                    RenderingHints.VALUE_INTERPOLATION_BILINEAR);
                            g2.drawImage(image, 0, 0, w, h, null);
                            g2.dispose();

                            JLabel jLabel = new JLabel(new ImageIcon(resizedImg));
                            jpScreen.removeAll();
                            jsp1.setPreferredSize(new Dimension(w + 30, h));
                            jpScreen.add(jLabel);

                            jLabel.addMouseListener(new MouseAdapter() {
                                @Override
                                public void mouseClicked(MouseEvent e) {
                                    LOG.debug("clicked at {},{}", e.getPoint().getX(), e.getPoint().getY());
                                    if (jcbTap.isSelected()) {
                                        device.click(e.getPoint().x, e.getPoint().y);
                                        device.waitForIdle();
                                        jbLogUi.doClick();
                                    }
                                }
                            });
                        } catch (Exception ex) {
                            LOG.error("Cannot log screen", ex);
                            jtaJson.append("Cannot log screen");
                        }
                        jtaJson.append("\n\n\n");
                        LOG.debug("\n\n");

                        jd.setSize(jd.getBounds().width + 1, jd.getBounds().height + 1);
                        jd.setSize(jd.getBounds().width - 1, jd.getBounds().height - 1);
                    }
                };
                t.start();
            });
        }
        jpLog.add(Box.createHorizontalStrut(38));
        {
            JButton jbLogMsg = new JButton("Log Message");
            jpLog.add(jbLogMsg);
            JTextField jtMsg = new JTextField(10);
            jpLog.add(jtMsg);
            jtMsg.addFocusListener(new FocusListener() {
                @Override
                public void focusLost(final FocusEvent pE) {
                }

                @Override
                public void focusGained(final FocusEvent pE) {
                    jtMsg.selectAll();
                }
            });
            jtMsg.addKeyListener(new KeyAdapter() {
                @Override
                public void keyPressed(java.awt.event.KeyEvent e) {
                    if (e.getKeyCode() == java.awt.event.KeyEvent.VK_ENTER) {
                        jbLogMsg.doClick();
                    }
                }
            });
            jbLogMsg.addActionListener(event -> {
                Thread t = new Thread(tName) {
                    @Override
                    public void run() {
                        String msg = jtMsg.getText();
                        if (StringUtils.isNotBlank(msg)) {
                            LOG.info("{}", msg);
                            jtMsg.selectAll();
                        }
                    }
                };
                t.start();
                try {
                    t.join();
                } catch (InterruptedException ex) {
                    LOG.error("Cannot take screenshot", ex);
                }
                jtMsg.requestFocus();
            });
        }
        jpLog.add(Box.createHorizontalStrut(38));
        {
            JButton jbClear = new JButton("Clear");
            jpLog.add(jbClear);
            jbClear.addActionListener(event -> {
                jtaJson.setText("");
            });
        }

        JPanel jpAction = new JPanel();
        jpContent.add(jpAction, BorderLayout.PAGE_END);
        jpAction.setLayout(new BoxLayout(jpAction, BoxLayout.LINE_AXIS));
        jpJs.add(jpAction, BorderLayout.PAGE_END);

        jd.pack();
        jd.setVisible(true);
        jd.setLocationRelativeTo(null);

        jbLogUi.doClick();
    });

    while (visible.get()) {
        if (System.currentTimeMillis() > end) {
            LOG.error("Manual UI interaction timeout");
            break;
        }
        Thread.sleep(500);
    }

    if (pass.get()) {
        LOG.info("Manual UI Interaction returns PASS");
    } else {
        Assert.fail("Manual UI Interaction returns FAIL");
    }
}

From source file:Starry.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    setBackground(Color.white);/*from   w  w w  .j av  a  2s  .  c  om*/
    w = getSize().width;
    h = getSize().height;
    Graphics2D g2;
    g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

    FontRenderContext frc = g2.getFontRenderContext();
    Font f = new Font("Helvetica", 1, w / 10);
    String s = new String("The Starry Night");
    TextLayout textTl = new TextLayout(s, f, frc);
    AffineTransform transform = new AffineTransform();
    Shape outline = textTl.getOutline(null);
    Rectangle r = outline.getBounds();
    transform = g2.getTransform();
    transform.translate(w / 2 - (r.width / 2), h / 2 + (r.height / 2));
    g2.transform(transform);
    g2.setColor(Color.blue);
    g2.draw(outline);
    g2.setClip(outline);
    g2.drawImage(img, r.x, r.y, r.width, r.height, this);

}

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

/**
 * Rescales an image represented by a Base64-encoded {@link String}
 *
 * @param originalImageString//from   w w  w. j  a  v a2  s  .co  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).
 */
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 (final ByteArrayInputStream bais = new ByteArrayInputStream(imageData);
                final ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
            BufferedImage originalImage = ImageIO.read(bais);
            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(IMAGE_PREFIX_START);
            result.append(extension);
            result.append(IMAGE_PREFIX_MIDDLE);

            ImageIO.write(newImage, extension, baos);

            baos.flush();

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

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

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

/**
 * Resize an image//from   w ww  .  j  a  va  2s . co  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:de.thm.arsnova.ImageUtils.java

/**
 * Rescales an image represented by a Base64-encoded {@link String}
 *
 * @param originalImageString//w  w w .j av a  2  s. 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;
        }
    }
}