Examples of javax.imageio.stream.MemoryCacheImageInputStream

javax.imageio.stream.MemoryCacheImageInputStream
An implementation of ImageInputStream that gets its input from a regular InputStream. A memory buffer is used to cache at least the data between the discard position and the current read position.
In general, it is preferable to use a FileCacheImageInputStream when reading from a regular InputStream. This class is provided for cases where it is not possible to create a writable temporary file.

                if(tiffReaders != null && tiffReaders.hasNext()) {
                    ImageReader tiffReader = (ImageReader)tiffReaders.next();
                    ByteArrayInputStream bais =
                        new ByteArrayInputStream(exifData);
                    ImageInputStream exifStream =
                        new MemoryCacheImageInputStream(bais);
                    tiffReader.setInput(exifStream);
                    IIOMetadata exifMetadata = tiffReader.getImageMetadata(0);
                    tiffMetadata.mergeTree(metadataName,
                                           exifMetadata.getAsTree(metadataName));
                    tiffReader.reset();

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                            ImageReader tiffReader =
                                (ImageReader)tiffReaders.next();
                            ByteArrayInputStream bais =
                                new ByteArrayInputStream(exifData);
                            ImageInputStream exifStream =
                                new MemoryCacheImageInputStream(bais);
                            tiffReader.setInput(exifStream);
                            if(tiffReader.getNumImages(true) > 1) {
                                BufferedImage exifThumbnail =
                                    tiffReader.read(1, null);
                                thumbnails.add(exifThumbnail);

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        // Cache file could not be created.
    }
      }


      if(stream == null) {
    stream = new MemoryCacheImageInputStream(inStream);
      }
  }


  return stream;
    }

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            byte[] tmpBuf = new byte[bytesPerRow*srcHeight];
            decompressor.decodeRaw(tmpBuf, dstOffset, bitsPerPixel,
                                   bytesPerRow);
            ByteArrayInputStream byteStream =
                new ByteArrayInputStream(tmpBuf);
            stream = new MemoryCacheImageInputStream(byteStream);
        } else {
            stream.seek(offset);
        }
        
        for (int y = srcMinY; y < srcMinY + srcHeight; y += chromaSubsampleV) {

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    try {
      /*
       * ImageIO uses an SPI pattern API. We don't care about the particulars of
       * the implementation, so just choose the first ImageReader.
       */
      MemoryCacheImageInputStream input = new MemoryCacheImageInputStream(
          imageUrl.openStream());
      Iterator<ImageReader> it = ImageIO.getImageReaders(input);
      readers : while (it.hasNext()) {
        ImageReader reader = it.next();
        reader.setInput(input);

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   */
  private static BufferedImage load(final String filename)
  {
    try
    {
      return ImageIO.read(new MemoryCacheImageInputStream(
        KittenCaptchaPanel.class.getResourceAsStream(filename)));
    }
    catch (IOException e)
    {
      e.printStackTrace();

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     */
    private BufferedImage load(final String filename)
    {
      try
      {
        final BufferedImage loadedImage = ImageIO.read(new MemoryCacheImageInputStream(
          KittenCaptchaPanel.class.getResourceAsStream(filename + ".png")));
        final BufferedImage image = new BufferedImage(loadedImage.getWidth(),
          loadedImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
        final Graphics2D graphics = image.createGraphics();
        graphics.drawImage(loadedImage, 0, 0, null);

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   */
  private static BufferedImage load(final String filename)
  {
    try
    {
      return ImageIO.read(new MemoryCacheImageInputStream(
        KittenCaptchaPanel.class.getResourceAsStream(filename)));
    }
    catch (IOException e)
    {
      LOG.error("Error loading image", e);

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  public String getType() {
    return _type;
  }


  private void _setType() {
    MemoryCacheImageInputStream mcis =
      new MemoryCacheImageInputStream(new ByteArrayInputStream(_textObj));


    Iterator itr = ImageIO.getImageReaders(mcis);


    _type = null;
    String fm;

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                    byte[] tables = JPEGTablesField.getAsBytes();


                    // Create an input stream for the tables.
                    ByteArrayInputStream bais =
                        new ByteArrayInputStream(tables);
                    MemoryCacheImageInputStream iis =
                        new MemoryCacheImageInputStream(bais);


                    // Read the tables stream using the JPEG reader.
                    ImageReader jpegReader = getJPEGTablesReader();
                    jpegReader.setInput(iis);

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