Examples of org.pentaho.reporting.libraries.base.encoder.ImageEncoder.encodeImage()

Package org.pentaho.reporting.libraries.base.encoder

Class org.pentaho.reporting.libraries.base.encoder.ImageEncoder

Examples of org.pentaho.reporting.libraries.base.encoder.ImageEncoder.encodeImage()

org.pentaho.reporting.libraries.base.encoder.ImageEncoder.encodeImage()
Encodes the given image using the given encoder-specific quality and alpha-channel settings and writes the encoded image-data to the given stream. @param image the image to be encoded. @param outputStream the output stream, where to write the image data to. @param quality the quality of the encoding. @param encodeAlpha a flag controlling whether the alpha-channel should be encoded as well. @throws IOException if there was an IO error while generating or writing the image data. @throws UnsupportedEncoderException if the encoder is not supported.

      final ContentItem contentItem =
          contentLocation.createItem(nameGenerator.generateName(null, mimeType));
      final BufferedImage image = interceptor.getImage();
      final ImageEncoder imageEncoder = ImageEncoderRegistry.getInstance().createEncoder(mimeType);
      final OutputStream outputStream = contentItem.getOutputStream();
      imageEncoder.encodeImage(image, outputStream, quality, alphaChannel);
      outputStream.close();
    }
    catch (Throwable e)
    {
      setError(e);

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    if (imageEncoder == null)
    {
      throw new UnsupportedEncoderException("The encoder for mime-type '" + mimeType + "' is not available");
    }


    imageEncoder.encodeImage(image, outputStream, quality, alpha);
  }


  public static Image scaleImage(final Image img,
                                 final int targetWidth,
                                 final int targetHeight,

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  private byte[] createPngImage() throws UnsupportedEncoderException, IOException
  {
    final ImageEncoder imageEncoder = ImageEncoderRegistry.getInstance().createEncoder(mimeType);
    assertNotNull(imageEncoder);
    final ByteArrayOutputStream bout = new ByteArrayOutputStream();
    imageEncoder.encodeImage(new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB), bout, 0.75f, false);
    return bout.toByteArray();
  }
}

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      final ContentItem contentItem =
          contentLocation.createItem(nameGenerator.generateName(null, mimeType));
      final BufferedImage image = interceptor.getImage();
      final ImageEncoder imageEncoder = ImageEncoderRegistry.getInstance().createEncoder(mimeType);
      final OutputStream outputStream = contentItem.getOutputStream();
      imageEncoder.encodeImage(image, outputStream, quality, alphaChannel);
      outputStream.close();
    }
    catch (Throwable e)
    {
      setError(e);

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    if (imageEncoder == null)
    {
      throw new UnsupportedEncoderException("The encoder for mime-type '" + mimeType + "' is not available");
    }


    imageEncoder.encodeImage(image, outputStream, quality, alpha);
  }


  public static Image scaleImage(final Image img,
                                 final int targetWidth,
                                 final int targetHeight,

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