Example usage for java.awt.image BufferedImage getScaledInstance

Introduction

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

Prototype

public Image getScaledInstance(int width, int height, int hints) 

Source Link

Document

Creates a scaled version of this image.

Usage

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

private BufferedImage resizeImage(BufferedImage image, int width, int height) {
    if (width < 1) {
        width = 1;/*from  w  ww  . j a  va 2  s. c o  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:view.ManageOrganization.java

private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton6ActionPerformed
    // TODO add your handling code here:
    JFileChooser chooser = new JFileChooser();
    FileNameExtensionFilter filter = new FileNameExtensionFilter("JPG & GIF Images", "jpg", "gif");

    chooser.setFileFilter(filter);//from w  w  w. j  av a  2s  .c om
    int returnVal = chooser.showOpenDialog(this);
    if (returnVal == JFileChooser.APPROVE_OPTION) {
        chooser.getSelectedFile().getPath();
        System.out.println("You chose to open this file: " + chooser.getSelectedFile().getName());
        BufferedImage img = null;
        try {
            img = ImageIO.read(new File(chooser.getSelectedFile().getPath()));
            Image scaledInstance = img.getScaledInstance(organisation_logo_label.getWidth(),
                    organisation_logo_label.getHeight(), Image.SCALE_SMOOTH);
            ImageIcon imageIcon = new ImageIcon(scaledInstance);
            organisation_logo_label.setIcon(imageIcon);

            organisationIconName = System.currentTimeMillis() + "."
                    + FilenameUtils.getExtension(chooser.getSelectedFile().getPath());
            FileUtils.copyFile(chooser.getSelectedFile(),
                    new File(Configuration.organisationImages + organisationIconName));

        } catch (IOException e) {
            e.printStackTrace();
        }
        long size = (chooser.getSelectedFile().length()) / 1024;

    }
}

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From source file:jp.canetrash.maven.plugin.bijint.BujintMojo.java

/**
 * ??????????//from   w  w  w. j av a2 s .  c  om
 * 
 * @param url
 * @return
 * @throws Exception
 */
BufferedImage getFittingImage(String url) throws Exception {
    // ??
    DefaultHttpClient httpclient = new DefaultHttpClient();
    HttpGet httpget = buildDefaultHttpMessage(new HttpGet(url));
    httpget.setHeader("Referer", "http://www.bijint.com/jp/");
    HttpResponse response = httpclient.execute(httpget);

    BufferedImage image = ImageIO.read(response.getEntity().getContent());
    httpclient.getConnectionManager().shutdown();

    int width = image.getWidth() / 10 * 4;
    int height = image.getHeight() / 10 * 4;
    BufferedImage resizedImage = null;
    resizedImage = new BufferedImage(width, height, image.getType());
    resizedImage.getGraphics().drawImage(image.getScaledInstance(width, height, Image.SCALE_AREA_AVERAGING), 0,
            0, width, height, null);
    return resizedImage;
}

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From source file:net.pkhsolutions.pecsapp.control.PictureTransformer.java

/**
 * TODO Document me//from   www.  j a  v a2 s. c  o m
 *
 * @param image
 * @param maxHeightInPx
 * @param maxWidthInPx
 * @return
 */
@NotNull
public BufferedImage scaleIfNecessary(@NotNull BufferedImage image, int maxHeightInPx, int maxWidthInPx) {
    int w = image.getWidth();
    int h = image.getHeight();

    int newW;
    int newH;

    if (w <= maxWidthInPx && h <= maxHeightInPx) {
        return image;
    } else if (w > h) {
        newW = maxWidthInPx;
        newH = newW * h / w;
    } else {
        newH = maxHeightInPx;
        newW = newH * w / h;
    }
    LOGGER.info("Original size was w{} x h{}, new size is w{} x h{}", w, h, newW, newH);
    Image tmp = image.getScaledInstance(newW, newH, Image.SCALE_SMOOTH);
    BufferedImage img = new BufferedImage(newW, newH, image.getType());
    Graphics2D g2d = img.createGraphics();
    g2d.drawImage(tmp, 0, 0, null);
    g2d.dispose();
    return img;
}

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From source file:org.yes.cart.service.domain.impl.ImageServiceImpl.java

/**
 * {@inheritDoc}//from w w w  .  j  a va  2s .co  m
 */
public byte[] resizeImage(final String filename, final byte[] content, final String width, final String height,
        final boolean cropToFit) {

    try {

        final InputStream bis = new ByteArrayInputStream(content);

        final BufferedImage originalImg = ImageIO.read(bis);
        final String codec = getCodecFromFilename(filename);
        final boolean supportsAlpha = hasAlphaSupport(codec);

        int x = NumberUtils.toInt(width);
        int y = NumberUtils.toInt(height);
        int originalX = originalImg.getWidth();
        int originalY = originalImg.getHeight();

        boolean doCropToFit = cropToFit || x < forceCropToFitOnSize || y < forceCropToFitOnSize;

        final int imageType = originalImg.getType();

        final Image resizedImg;
        //            final BufferedImage resizedImg;
        final int padX, padY;
        if (doCropToFit) {
            // crop the original to best fit of target size
            int[] cropDims = cropImageToCenter(x, y, originalX, originalY);
            padX = 0;
            padY = 0;

            final BufferedImage croppedImg = originalImg.getSubimage(cropDims[0], cropDims[1], cropDims[2],
                    cropDims[3]);
            resizedImg = croppedImg.getScaledInstance(x, y, Image.SCALE_SMOOTH);

            //                final BufferedImage croppedImg = originalImg.getSubimage(cropDims[0], cropDims[1], cropDims[2], cropDims[3]);
            //                resizedImg = new BufferedImage(y, x, imageType);
            //                Graphics2D graphics = resizedImg.createGraphics();
            //                graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            //                graphics.drawImage(croppedImg, 0, 0, x, y, null);
        } else {
            int[] scaleDims = scaleImageToCenter(x, y, originalX, originalY);
            padX = scaleDims[0];
            padY = scaleDims[1];

            resizedImg = originalImg.getScaledInstance(scaleDims[2], scaleDims[3], Image.SCALE_SMOOTH);

            //                resizedImg = new BufferedImage(scaleDims[3], scaleDims[2], imageType);
            //                Graphics2D graphics = resizedImg.createGraphics();
            //                graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            //                graphics.drawImage(originalImg, 0, 0, scaleDims[2], scaleDims[3], null);
        }

        // base canvas
        final BufferedImage resizedImgFinal = new BufferedImage(x, y, imageType);

        // fill base color
        final Graphics2D graphics = resizedImgFinal.createGraphics();
        graphics.setPaint(supportsAlpha ? alphaBorder : defaultBorder);
        graphics.fillRect(0, 0, x, y);

        // insert scaled image
        graphics.drawImage(resizedImg, padX, padY, null);

        final ByteArrayOutputStream bos = new ByteArrayOutputStream();

        ImageIO.write(resizedImgFinal, codec, bos);

        return bos.toByteArray();

    } catch (Exception exp) {
        ShopCodeContext.getLog(this).error("Unable to resize image " + filename, exp);
    }

    return new byte[0];

}

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From source file:de.cismet.cids.custom.objecteditors.wunda_blau.WebDavPicturePanel.java

/**
 * DOCUMENT ME!// ww  w  .  j a  v  a  2 s .  c o m
 *
 * @param   bi         DOCUMENT ME!
 * @param   component  DOCUMENT ME!
 * @param   insetX     DOCUMENT ME!
 * @param   insetY     DOCUMENT ME!
 *
 * @return  DOCUMENT ME!
 */
public static Image adjustScale(final BufferedImage bi, final JComponent component, final int insetX,
        final int insetY) {
    final double scalex = (double) component.getWidth() / bi.getWidth();
    final double scaley = (double) component.getHeight() / bi.getHeight();
    final double scale = Math.min(scalex, scaley);
    if (scale <= 1d) {
        return bi.getScaledInstance((int) (bi.getWidth() * scale) - insetX,
                (int) (bi.getHeight() * scale) - insetY, Image.SCALE_SMOOTH);
    } else {
        return bi;
    }
}

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From source file:de.anycook.upload.UploadHandler.java

/**
 * speichert eine grosse Version des Bildes
 *
 * @param image    BufferedImage//from ww w.ja v a2  s.  co m
 * @param filename Name der zu erzeugenden Datei
 */
private void saveBigImage(BufferedImage image, String filename) throws IOException {
    int height = image.getHeight();
    int width = image.getWidth();

    int newWidth = bigWidth;
    int newHeight = new Double(((double) height / (double) width) * newWidth).intValue();

    if (bigHeight > -1 && newHeight > bigHeight) {
        newHeight = bigHeight;
        newWidth = new Double(((double) width / (double) height) * newHeight).intValue();
    }

    BufferedImage newImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB);
    newImage.getGraphics().drawImage(image.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH), 0, 0,
            null);

    imageSaver.save("big/", filename, newImage);

}

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From source file:View.Main.java

private void setImage(String path) throws IOException {
    BufferedImage bi = ImageIO.read(new File(path));
    Image scaledImg = bi.getScaledInstance(jLabel_displayImage.getWidth(), jLabel_displayImage.getHeight(),
            Image.SCALE_DEFAULT);
    jLabel_displayImage.setIcon(new ImageIcon(scaledImg));
    jLabel_displayImage.setHorizontalAlignment(JLabel.CENTER);
    jLabel_displayImage.setVerticalAlignment(JLabel.CENTER);
}

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From source file:org.fao.geonet.services.thumbnail.Set.java

private void createThumbnail(String inFile, String outFile, int scalingFactor, String scalingDir)
        throws IOException {
    BufferedImage origImg = getImage(inFile);

    int imgWidth = origImg.getWidth();
    int imgHeight = origImg.getHeight();

    int width;//from  w w  w .ja  v a 2 s  .c  om
    int height;

    if (scalingDir.equals("width")) {
        width = scalingFactor;
        height = width * imgHeight / imgWidth;
    } else {
        height = scalingFactor;
        width = height * imgWidth / imgHeight;
    }

    Image thumb = origImg.getScaledInstance(width, height, BufferedImage.SCALE_SMOOTH);

    BufferedImage bimg = new BufferedImage(width, height, BufferedImage.TRANSLUCENT);

    Graphics2D g = bimg.createGraphics();
    g.drawImage(thumb, 0, 0, null);
    g.dispose();

    ImageIO.write(bimg, IMAGE_TYPE, new File(outFile));
}

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

@RequestMapping(value = "/company/uploadLogo", method = RequestMethod.POST)
@ResponseBody//  w  ww .j ava2s.co m
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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