Example usage for javax.imageio ImageReader addIIOReadProgressListener

Introduction

In this page you can find the example usage for javax.imageio ImageReader addIIOReadProgressListener.

Prototype

public void addIIOReadProgressListener(IIOReadProgressListener listener) 

Source Link

Document

Adds an IIOReadProgressListener to the list of registered progress listeners.

Usage

From source file:Main.java

static public void main(String args[]) throws Exception {
    FileInputStream fin = new FileInputStream("a.gif");
    Iterator readers = ImageIO.getImageReadersBySuffix("GIF");
    ImageReader imageReader = (ImageReader) readers.next();
    ImageInputStream iis = ImageIO.createImageInputStream(fin);
    imageReader.setInput(iis, false);/*from  w ww .ja va 2 s . c o  m*/

    imageReader.addIIOReadProgressListener(new IIOReadProgressListener() {
        public void imageComplete(ImageReader source) {
            System.out.println("image complete " + source);
        }

        public void imageProgress(ImageReader source, float percentageDone) {
            System.out.println("image progress " + source + ": " + percentageDone + "%");
        }

        public void imageStarted(ImageReader source, int imageIndex) {
            System.out.println("image #" + imageIndex + " started " + source);
        }

        public void readAborted(ImageReader source) {
            System.out.println("read aborted " + source);
        }

        public void sequenceComplete(ImageReader source) {
            System.out.println("sequence complete " + source);
        }

        public void sequenceStarted(ImageReader source, int minIndex) {
            System.out.println("sequence started " + source + ": " + minIndex);
        }

        public void thumbnailComplete(ImageReader source) {
            System.out.println("thumbnail complete " + source);
        }

        public void thumbnailProgress(ImageReader source, float percentageDone) {
            System.out.println("thumbnail started " + source + ": " + percentageDone + "%");
        }

        public void thumbnailStarted(ImageReader source, int imageIndex, int thumbnailIndex) {
            System.out.println("thumbnail progress " + source + ", " + thumbnailIndex + " of " + imageIndex);
        }
    });

    BufferedImage image = imageReader.read(0);

    Iterator imageWriters = ImageIO.getImageWritersBySuffix("JPG");
    ImageWriter imageWriter = (ImageWriter) imageWriters.next();
    File file = new File("b.JPG");
    ImageOutputStream ios = ImageIO.createImageOutputStream(file);
    imageWriter.setOutput(ios);
    imageWriter.write(image);
}

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

/**
 * DOCUMENT ME!// ww w. j  a  v  a 2s  . co m
 *
 * @param   fileName  DOCUMENT ME!
 *
 * @return  DOCUMENT ME!
 *
 * @throws  Exception  DOCUMENT ME!
 */
private BufferedImage downloadImageFromWebDAV(final String fileName) throws Exception {
    final InputStream iStream = webdavHelper.getFileFromWebDAV(fileName, webdavDirectory,
            getConnectionContext());
    try {
        final ImageInputStream iiStream = ImageIO.createImageInputStream(iStream);
        final Iterator<ImageReader> itReader = ImageIO.getImageReaders(iiStream);
        if (itReader.hasNext()) {
            final ImageReader reader = itReader.next();
            final ProgressMonitor monitor = new ProgressMonitor(this, "Bild wird bertragen...", "", 0, 100);
            //            monitor.setMillisToPopup(500);
            reader.addIIOReadProgressListener(new IIOReadProgressListener() {

                @Override
                public void sequenceStarted(final ImageReader source, final int minIndex) {
                }

                @Override
                public void sequenceComplete(final ImageReader source) {
                }

                @Override
                public void imageStarted(final ImageReader source, final int imageIndex) {
                    monitor.setProgress(monitor.getMinimum());
                }

                @Override
                public void imageProgress(final ImageReader source, final float percentageDone) {
                    if (monitor.isCanceled()) {
                        try {
                            iiStream.close();
                        } catch (final IOException ex) {
                            // NOP
                        }
                    } else {
                        monitor.setProgress(Math.round(percentageDone));
                    }
                }

                @Override
                public void imageComplete(final ImageReader source) {
                    monitor.setProgress(monitor.getMaximum());
                }

                @Override
                public void thumbnailStarted(final ImageReader source, final int imageIndex,
                        final int thumbnailIndex) {
                }

                @Override
                public void thumbnailProgress(final ImageReader source, final float percentageDone) {
                }

                @Override
                public void thumbnailComplete(final ImageReader source) {
                }

                @Override
                public void readAborted(final ImageReader source) {
                    monitor.close();
                }
            });

            final ImageReadParam param = reader.getDefaultReadParam();
            reader.setInput(iiStream, true, true);
            final BufferedImage result;
            try {
                result = reader.read(0, param);
            } finally {
                reader.dispose();
                iiStream.close();
            }
            return result;
        } else {
            return null;
        }
    } finally {
        IOUtils.closeQuietly(iStream);
    }
}

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