Package javax.imageio

Examples of javax.imageio.ImageWriteParam

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     * @return the IIO ImageWriteParam instance
     */
    protected ImageWriteParam getDefaultWriteParam(
            javax.imageio.ImageWriter iiowriter, RenderedImage image,
            ImageWriterParams params) {
        ImageWriteParam param = iiowriter.getDefaultWriteParam();
        System.err.println("Param: " + params);
        if ((params != null) && (params.getCompressionMethod() != null)) {
            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            param.setCompressionType(params.getCompressionMethod());
        }
        return param;
    }
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                while( writerIter.hasNext() && !foundWriter )
                {
                    try
                    {
                        imageWriter = (ImageWriter)writerIter.next();
                        ImageWriteParam writerParams = imageWriter.getDefaultWriteParam();
                        if( writerParams.canWriteCompressed() )
                        {
                            writerParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                            writerParams.setCompressionQuality(1.0f);
                        }
                        IIOMetadata meta = createMetadata( image, imageWriter, writerParams, resolution);
                        imageWriter.setOutput( output );
                        imageWriter.write( null, new IIOImage( image, null, meta ), writerParams );
                        foundWriter = true;
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                while( writerIter.hasNext() && !foundWriter )
                {
                    try
                    {
                        imageWriter = (ImageWriter)writerIter.next();
                        ImageWriteParam writerParams = imageWriter.getDefaultWriteParam();
                        if( writerParams.canWriteCompressed() )
                        {
                            writerParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                            writerParams.setCompressionQuality(1.0f);
                        }
                        IIOMetadata meta = createMetadata( image, imageWriter, writerParams, resolution);
                        imageWriter.setOutput( output );
                        imageWriter.write( null, new IIOImage( image, null, meta ), writerParams );
                        foundWriter = true;
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            Graphics graphics = dest.getGraphics();
            graphics.setColor(Color.WHITE);
            graphics.fillRect(0, 0, w, h);
            graphics.drawImage(srcSized, 0, 0, null);
            ImageWriter writer = ImageIO.getImageWritersByMIMEType(mimeType).next();
            ImageWriteParam params = writer.getDefaultWriteParam();
            FileImageOutputStream toFs = new FileImageOutputStream(to);
            writer.setOutput(toFs);
            IIOImage image = new IIOImage(dest, null, null);
            writer.write(null, image, params);
            toFs.flush();
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            Graphics graphics = dest.getGraphics();
            graphics.setColor(Color.WHITE);
            graphics.fillRect(0, 0, width, height);
            graphics.drawImage(croppedImage, 0, 0, null);
            ImageWriter writer = ImageIO.getImageWritersByMIMEType(mimeType).next();
            ImageWriteParam params = writer.getDefaultWriteParam();
            writer.setOutput(new FileImageOutputStream(to));
            IIOImage image = new IIOImage(dest, null, null);
            writer.write(null, image, params);

        } catch (Exception e) {
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    try {
      imageOutputStream = createImageOutputStream(outputMessage.getBody());
      Iterator<ImageWriter> imageWriters = ImageIO.getImageWritersByMIMEType(contentType.toString());
      if (imageWriters.hasNext()) {
        imageWriter = imageWriters.next();
        ImageWriteParam iwp = imageWriter.getDefaultWriteParam();
        process(iwp);
        imageWriter.setOutput(imageOutputStream);
        imageWriter.write(null, new IIOImage(image, null, null), iwp);
      }
      else {
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    try {
      // Instantiate an ImageWriteParam object with default compression options
      Iterator<ImageWriter> it = ImageIO.getImageWritersByFormatName(format);

      writer = (ImageWriter) it.next(); 
      ImageWriteParam iwp = writer.getDefaultWriteParam();

      // If compression is supported, then set the compression mode
      if (iwp.canWriteCompressed()) {
        // Use explicit compression mode
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
 
        // Set compression quality, where 1 specifies minimum compression and maximum quality
        iwp.setCompressionQuality(compressionQuality); // float between 0 and 1
      }
      // Write the screen shot to file
      output = new FileImageOutputStream(file);
      writer.setOutput(output);
      IIOImage image = new IIOImage(screenshot, null, null);
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    BufferedImage  bi;
    Graphics2D     gr2;
    ImageWriter   writer;
    Iterator     iter;
    ImageOutputStream   ios;
    ImageWriteParam   param;

    try {
      // render image
      bi  = new BufferedImage(m_panelWidth, m_panelHeight, BufferedImage.TYPE_INT_RGB);
      gr2 = bi.createGraphics();
      gr2.drawImage(m_osi, 0, 0, m_panelWidth, m_panelHeight, null);

      // get jpeg writer
      writer = null;
      iter   = ImageIO.getImageWritersByFormatName("jpg");
      if (iter.hasNext())
  writer = (ImageWriter) iter.next();
      else
  throw new Exception("No JPEG writer available!");

      // prepare output file
      ios = ImageIO.createImageOutputStream(new File(fileName));
      writer.setOutput(ios);

      // set the quality
      param = new JPEGImageWriteParam(Locale.getDefault());
      param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT) ;
      param.setCompressionQuality(1.0f);

      // write the image
      writer.write(null, new IIOImage(bi, null, null), param);

      // cleanup
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            thumbFile.setWidth(convertedThumbImage.getWidth());
            thumbFile.setHeight(convertedThumbImage.getHeight());

            ImageWriter writer = ImageIO.getImageWritersByFormatName("jpg").next();
            // instantiate an ImageWriteParam object with default compression options
            ImageWriteParam iwp = writer.getDefaultWriteParam();

            iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            iwp.setCompressionQuality(0.75f);
            writer.setOutput(new MemoryCacheImageOutputStream(thumbOutStream));
            IIOImage thumbimage = new IIOImage(convertedThumbImage, null, null);
            writer.write(null, thumbimage, iwp);

            pngIn.reset();
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    public void writeToJPG(OutputStream out, float quality) throws IOException {
        // Encodes image as a JPEG data stream
      Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("jpeg");
      ImageWriter writer = iter.next();
      ImageWriteParam iwp = writer.getDefaultWriteParam();
           
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        iwp.setCompressionQuality(1); 
       
        ImageOutputStream output = new MemoryCacheImageOutputStream(out);
        writer.setOutput(output);
        IIOImage image = new IIOImage(img, null, null);
        writer.write(null, image, iwp);
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