コード例 #1
0
 /**
  * Encodes an image in PNG format.
  *
  * @param bufferedImage The image to be encoded.
  * @return The byte[] that is the encoded image.
  * @throws IOException
  */
 public byte[] encode(BufferedImage bufferedImage) throws IOException {
   if (bufferedImage == null) {
     throw new IllegalArgumentException("Null 'image' argument.");
   }
   PngEncoder encoder = new PngEncoder(bufferedImage, this.encodingAlpha, 0, this.quality);
   return encoder.pngEncode();
 }
コード例 #2
0
 /**
  * Encodes an image in PNG format and writes it to an <code>OutputStream</code>.
  *
  * @param bufferedImage The image to be encoded.
  * @param outputStream The OutputStream to write the encoded image to.
  * @throws IOException
  */
 public void encode(BufferedImage bufferedImage, OutputStream outputStream) throws IOException {
   if (bufferedImage == null) {
     throw new IllegalArgumentException("Null 'image' argument.");
   }
   if (outputStream == null) {
     throw new IllegalArgumentException("Null 'outputStream' argument.");
   }
   PngEncoder encoder = new PngEncoder(bufferedImage, this.encodingAlpha, 0, this.quality);
   outputStream.write(encoder.pngEncode());
 }