Example usage for javax.imageio ImageIO read

Introduction

In this page you can find the example usage for javax.imageio ImageIO read.

Prototype

public static BufferedImage read(ImageInputStream stream) throws IOException

Source Link

Document

Returns a BufferedImage as the result of decoding a supplied ImageInputStream with an ImageReader chosen automatically from among those currently registered.

Usage

From source file:gr.iti.mklab.reveal.forensics.maps.dwnoisevar.DWNoiseVarExtractor.java

public DWNoiseVarExtractor(String FileName) throws IOException {
    inputImage = ImageIO.read(new File(FileName));
    getNoiseMap();
}

From source file:brut.androlib.res.decoder.Res9patchStreamDecoder.java

@Override
public void decode(InputStream in, OutputStream out) throws AndrolibException {
    try {/*  w  w w. j  a v  a 2s. c  om*/
        byte[] data = IOUtils.toByteArray(in);

        BufferedImage im = ImageIO.read(new ByteArrayInputStream(data));
        int w = im.getWidth(), h = im.getHeight();

        ImageTypeSpecifier its = ImageTypeSpecifier.createFromRenderedImage(im);
        BufferedImage im2 = its.createBufferedImage(w + 2, h + 2);

        im2.getRaster().setRect(1, 1, im.getRaster());
        NinePatch np = getNinePatch(data);
        drawHLine(im2, h + 1, np.padLeft + 1, w - np.padRight);
        drawVLine(im2, w + 1, np.padTop + 1, h - np.padBottom);

        int[] xDivs = np.xDivs;
        for (int i = 0; i < xDivs.length; i += 2) {
            drawHLine(im2, 0, xDivs[i] + 1, xDivs[i + 1]);
        }

        int[] yDivs = np.yDivs;
        for (int i = 0; i < yDivs.length; i += 2) {
            drawVLine(im2, 0, yDivs[i] + 1, yDivs[i + 1]);
        }

        ImageIO.write(im2, "png", out);
    } catch (IOException ex) {
        throw new AndrolibException(ex);
    } catch (NullPointerException ex) {
        // In my case this was triggered because a .png file was
        // containing a html document instead of an image.
        // This could be more verbose and try to MIME ?
        throw new AndrolibException(ex);
    }
}

From source file:ca.sqlpower.wabit.dao.session.PNGImageConverter.java

public Image convertToComplexType(InputStream convertFrom) throws ConversionException {
    try {/*from   w  w  w.  j  av a2s  .c  om*/
        BufferedImage img = ImageIO.read(convertFrom);
        return img;
    } catch (Exception e) {
        throw new ConversionException("Cannot convert the given image", e);
    }
}

From source file:ch.fork.AdHocRailway.ui.utils.ImageTools.java

/**
 * Decode string to image//from  w ww  .  j a  v a  2s  .  c  om
 *
 * @param imageString The string to decode
 * @return decoded image
 */
public static BufferedImage decodeToImage(String imageString) {

    BufferedImage image = null;
    byte[] imageByte;
    try {
        imageByte = Base64.decodeBase64(imageString);
        ByteArrayInputStream bis = new ByteArrayInputStream(imageByte);
        image = ImageIO.read(bis);
        bis.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return image;
}

From source file:com.spstudio.common.image.ImageUtils.java

public static String zoom(String sourcePath, String targetPath, int width, int height) throws IOException {
    File imageFile = new File(sourcePath);
    if (!imageFile.exists()) {
        throw new IOException("Not found the images:" + sourcePath);
    }//from w  ww  .  j  av a2s  .com
    if (targetPath == null || targetPath.isEmpty()) {
        targetPath = sourcePath;
    }
    String format = sourcePath.substring(sourcePath.lastIndexOf(".") + 1, sourcePath.length());
    BufferedImage image = ImageIO.read(imageFile);
    image = zoom(image, width, height);
    ImageIO.write(image, format, new File(targetPath));
    return targetPath;
}

From source file:com.pullup.app.util.ImageUtils.java

public BufferedImage readImage(String token) {
    String path = "C:\\pullup\\profile\\" + token + ".png";
    InputStream in = null;/*from   w  ww .  j av a 2 s . co  m*/
    BufferedImage image = null;
    try {
        in = new FileInputStream(new File(path));
        image = ImageIO.read(in);

    } catch (FileNotFoundException ex) {
        log.severe("Could not read image: " + ex.getMessage());
    } catch (IOException ex) {
        log.severe("Could not read image: " + ex.getMessage());
    }
    return image;
}

From source file:com.sms.server.service.ImageService.java

public BufferedImage getCoverArt(MediaElement element, Integer scale) {
    File imageFile;/*  w  w  w .  j  a v a  2s  .c  o  m*/
    BufferedImage image;

    // Get directory or file parent directory
    if (element.getType() == MediaElementType.DIRECTORY) {
        imageFile = findCoverArt(new File(element.getPath()));
    } else {
        imageFile = findCoverArt(new File(element.getParentPath()));
    }

    // If cover art is not found return.
    if (imageFile == null) {
        return null;
    }

    // Read image file into buffer
    try {
        image = ImageIO.read(imageFile);
    } catch (IOException ex) {
        LogService.getInstance().addLogEntry(LogService.Level.ERROR, CLASS_NAME,
                "Failed to read image file " + imageFile.getPath(), ex);
        return null;
    }

    // Scale image
    image = Scalr.resize(image, scale);

    return image;
}

From source file:eu.europa.esig.dss.pades.signature.visible.ImageFactory.java

/**
 * This method returns the image size with the original parameters (the generation uses DPI)
 * @param imageParameters the image parameters
 * @return a Dimension object/*  w w  w  .  j  a va2  s. co  m*/
 * @throws IOException
 */
public static Dimension getOptimalSize(SignatureImageParameters imageParameters) throws IOException {
    int width = 0;
    int height = 0;

    if (imageParameters.getImage() != null) {
        BufferedImage image = ImageIO.read(imageParameters.getImage());
        width = image.getWidth();
        height = image.getHeight();
    }

    SignatureImageTextParameters textParamaters = imageParameters.getTextParameters();
    if ((textParamaters != null) && StringUtils.isNotEmpty(textParamaters.getText())) {
        Dimension textDimension = ImageTextWriter.computeSize(textParamaters.getFont(),
                textParamaters.getText());
        switch (textParamaters.getSignerNamePosition()) {
        case LEFT:
        case RIGHT:
            width += textDimension.width;
            height = Math.max(height, textDimension.height);
            break;
        case TOP:
        case BOTTOM:
            width = Math.max(width, textDimension.width);
            height += textDimension.height;
            break;
        default:
            break;
        }

    }

    return new Dimension(width, height);
}

From source file:app.model.game.CoverUploadModel.java

public void uploadImage(HttpServletRequest req, Game g)
        throws FileUploadBase.SizeLimitExceededException, FileUploadException, SQLException, Exception {
    int width = 500;
    int height = 800;

    //Bild upload
    FileUpload upload = new FileUpload(2000 * 1024, 5000 * 1024,
            "C:/Users/Public/Arcade/Games/" + g.getGameID() + "/assets",
            "C:/Users/Public/Arcade/Games/" + g.getGameID() + "/tmp/");
    File fileStatus;//from  w w w.java2 s.c  o m

    fileStatus = upload.uploadFile(req);
    File file = new File(fileStatus.getAbsolutePath());

    BufferedImage img = ImageIO.read(file);
    if (img.getWidth() != width || img.getHeight() != height) {
        img = Scalr.resize(img, Scalr.Method.SPEED, Scalr.Mode.FIT_EXACT, 500, 800);
    }
    File destFile = new File(fileStatus.getParent() + "/" + g.getGameID() + ".jpg");
    ImageIO.write(img, "jpg", destFile);
    g.updateState("coverupload", "complete");
    String state = g.stateToJSON();

    try (SQLHelper sql = new SQLHelper()) {
        sql.execNonQuery("UPDATE `games` SET editState='" + state + "' WHERE ID = " + g.getGameID());
    }

    fileStatus.delete();
}

From source file:com.apitrary.orm.codec.image.ImageJPGCodec.java

/** {@inheritDoc} */
@Override/* w  w  w  . j a  va 2  s  .c  o m*/
public Image decode(String value) {
    if (value == null || value.isEmpty()) {
        return null;
    }
    byte[] buffer = Base64.decodeBase64(value);
    InputStream in = new ByteArrayInputStream(buffer);
    BufferedImage bImageFromConvert;
    try {
        bImageFromConvert = ImageIO.read(in);
        return bImageFromConvert;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}