Examples of javax.imageio.IIOImage

javax.imageio.IIOImage
A simple container class to aggregate an image, a set of thumbnail (preview) images, and an object representing metadata associated with the image.
The image data may take the form of either a RenderedImage, or a Raster. Reader methods that return an IIOImage will always return a BufferedImage using the RenderedImage reference. Writer methods that accept an IIOImage will always accept a RenderedImage, and may optionally accept a Raster.
Exactly one of getRenderedImage and getRaster will return a non-null value. Subclasses are responsible for ensuring this behavior. @see ImageReader#readAll(int,ImageReadParam) @see ImageReader#readAll(java.util.Iterator) @see ImageWriter#write(javax.imageio.metadata.IIOMetadata,IIOImage,ImageWriteParam) @see ImageWriter#write(IIOImage) @see ImageWriter#writeToSequence(IIOImage,ImageWriteParam) @see ImageWriter#writeInsert(int,IIOImage,ImageWriteParam)

                iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                iwparam.setCompressionQuality(jpegQuality);//Set here your compression rate
                ImageWriter iw = ImageIO.getImageWritersByFormatName("jpg").next();
                ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
                iw.setOutput(ios);
                iw.write(null, new IIOImage(scaled, null, null), iwparam);
                iw.dispose();
                ios.close();


                scaled.flush();
                scaled = null;

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            if (iterator.hasNext()) {
                imageWriter = (ImageWriter) iterator.next();
            }
            ImageOutputStream ios = javax.imageio.ImageIO.createImageOutputStream(baos);
            imageWriter.setOutput(ios);
            imageWriter.write(new IIOImage(bufferedImage, null, null));
            ios.flush();
            imageWriter.dispose();
            return baos.toByteArray();
        } catch (IOException e) {
            throw ExceptionFactory.makeWebServiceException(e);

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        JPEGImageWriteParam params = new JPEGImageWriteParam( Locale.getDefault() );
        params.setCompressionMode( ImageWriteParam.MODE_EXPLICIT );
        params.setCompressionQuality( 0.9f );


        imageWriter.setOutput( ios );
        imageWriter.write( null, new IIOImage( image, null, null ), params );
        ios.close();


        // write memory block to a file
        // String fileName = String.format(pattern, counter++);
        // FileOutputStream outputStream = new FileOutputStream (fileName);

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            tracker.waitForAll();
            rendImage = new BufferedImage(image.getWidth(null), image.getHeight(null), 1);
            Graphics g = rendImage.createGraphics();
            g.drawImage(image, 0, 0, null);
        }
        writer.write(new IIOImage(rendImage, null, null));
        writer.dispose();
    } // saveImage

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      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 {
        throw new HttpMessageNotWritableException(
            "Could not find javax.imageio.ImageWriter for Content-Type [" + contentType + "]");
      }

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    ImageWriteParam iwp = iw.getDefaultWriteParam();
    iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    iwp.setCompressionQuality(_quality);
    ImageOutputStream ios = ImageIO.createImageOutputStream(os);
    iw.setOutput(ios);
    iw.write(null, new IIOImage(image, null, null), iwp);
    ios.flush();
    iw.dispose();
    ios.close();
    return os.toByteArray();
  }

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                iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                iwparam.setCompressionQuality(jpegQuality);//Set here your compression rate
                ImageWriter iw = ImageIO.getImageWritersByFormatName("jpg").next();
                ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
                iw.setOutput(ios);
                iw.write(null, new IIOImage(scaled, null, null), iwparam);
                iw.dispose();
                ios.close();


                scaled.flush();
                scaled = null;

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        if (obj instanceof RenderedImage) {
            writer.write((RenderedImage) obj);
        } else if (obj instanceof BufferedImage) {
            BufferedImage buffered = (BufferedImage) obj;
            writer.write(new IIOImage(buffered.getRaster(), null, null));
        } else if (obj instanceof Image) {
            Image image = (Image) obj;
            BufferedImage buffered = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
            Graphics2D graphics = buffered.createGraphics();
            graphics.drawImage(image, 0, 0, null, null);
            writer.write(new IIOImage(buffered.getRaster(), null, null));
        } else {
            throw new UnsupportedDataTypeException("Unknown image type " + obj.getClass().getName());
        }
        os.flush();
    }

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      writer.setOutput(ios);
      ImageWriteParam iwparam = new JPEGImageWriteParam(Locale
          .getDefault());
      iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
      iwparam.setCompressionQuality(0.7F);
      writer.write(null, new IIOImage(image, null, null), iwparam);
      ios.flush();
      writer.dispose();
      ios.close();
    } catch (IOException e) {
      e.printStackTrace();

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            writer = (ImageWriter) iter.next();
        }
        ImageOutputStream ios = javax.imageio.ImageIO.createImageOutputStream(os);
        writer.setOutput(ios);


        writer.write(new IIOImage(image, null, null));
        ios.flush();
        writer.dispose();
    } // saveImage

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