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.

      try {
          
          if(source instanceof File) { 
        iis=new FileImageInputStream((File) source);
      }
      else if(source==null)iis=new MemoryCacheImageInputStream(new ByteArrayInputStream(getImageBytes(format,true)));
      else iis=new MemoryCacheImageInputStream(is=source.getInputStream());
      
            Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
            if (readers.hasNext()) {
              // pick the first available ImageReader
                ImageReader reader = readers.next();

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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)
    {
      LOG.error("Error loading image", e);

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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)
    {
      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)
    {
      e.printStackTrace();

View Full Code Here

     */
    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);

View Full Code Here

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

View Full Code Here

     */
    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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