Examples of com.keypoint.PngEncoder.pngEncode()

com.keypoint.PngEncoder.pngEncode()
Creates an array of bytes that is the PNG equivalent of the current image, specifying whether to encode alpha or not. @param encodeAlpha boolean false=no alpha, true=encode alpha @return an array of bytes, or null if there was a problem

        // quick caching ... use a weak list ...
        final WaitingImageObserver obs = new WaitingImageObserver(image);
        obs.waitImageLoaded();


        final PngEncoder encoder = new PngEncoder(image, PngEncoder.ENCODE_ALPHA, PngEncoder.FILTER_NONE, 5);
        final byte[] data = encoder.pngEncode();
        return produceFromByteArray(data);
    }


    private OfficeImage produceFromBlob(final Blob blob)
    {

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     */
    public byte[] encode(BufferedImage bufferedImage) throws IOException {
        ParamChecks.nullNotPermitted(bufferedImage, "bufferedImage");
        PngEncoder encoder = new PngEncoder(bufferedImage, this.encodingAlpha,
                0, this.quality);
        return encoder.pngEncode();
    }


    /**
     * Encodes an image in PNG format and writes it to an
     * <code>OutputStream</code>.

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        throws IOException {
        ParamChecks.nullNotPermitted(bufferedImage, "bufferedImage");
        ParamChecks.nullNotPermitted(outputStream, "outputStream");
        PngEncoder encoder = new PngEncoder(bufferedImage, this.encodingAlpha,
                0, this.quality);
        outputStream.write(encoder.pngEncode());
    }


}

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        if (bufferedImage == null) {
            throw new IllegalArgumentException("Null 'image' argument.");
        }
        PngEncoder encoder = new PngEncoder(bufferedImage, this.encodingAlpha,
                0, this.quality);
        return encoder.pngEncode();
    }


    /**
     * Encodes an image in PNG format and writes it to an
     * <code>OutputStream</code>.

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        if (outputStream == null) {
            throw new IllegalArgumentException("Null 'outputStream' argument.");
        }
        PngEncoder encoder = new PngEncoder(bufferedImage, this.encodingAlpha,
                0, this.quality);
        outputStream.write(encoder.pngEncode());
    }


}

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    // quick caching ... use a weak list ...
    final WaitingImageObserver obs = new WaitingImageObserver(image);
    obs.waitImageLoaded();


    final PngEncoder encoder = new PngEncoder(image, PngEncoder.ENCODE_ALPHA, PngEncoder.FILTER_NONE, 5);
    final byte[] data = encoder.pngEncode();
    return produceFromByteArray(data);
  }


  private OfficeImage produceFromBlob(final Blob blob)
  {

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    final WaitingImageObserver obs = new WaitingImageObserver(image);
    obs.waitImageLoaded();


    final PngEncoder encoder = new PngEncoder(image,
        PngEncoder.ENCODE_ALPHA, PngEncoder.FILTER_NONE, 5);
    final byte[] data = encoder.pngEncode();


    // write the encoded picture ...
    final ContentItem dataFile = dataLocation.createItem
        (dataNameGenerator.generateName("picture", "image/png"));

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    final WaitingImageObserver obs = new WaitingImageObserver(image);
    obs.waitImageLoaded();


    final PngEncoder encoder = new PngEncoder(image,
        PngEncoder.ENCODE_ALPHA, PngEncoder.FILTER_NONE, 5);
    final byte[] data = encoder.pngEncode();


    // write the encoded picture ...
    final ContentItem dataFile = dataLocation.createItem
        (dataNameGenerator.generateName("picture", "image/png"));

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     * @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();
    }


    /**
     * Encodes an image in PNG format and writes it to an OutputStream.
     *

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     */
    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());
    }


}

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