Package org.apache.flex.forks.batik.transcoder

Examples of org.apache.flex.forks.batik.transcoder.TranscodingHints

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     * @throws TranscoderException
     * @see org.apache.flex.forks.batik.transcoder.image.PNGTranscoder.WriteAdapter#writeImage(org.apache.flex.forks.batik.transcoder.image.PNGTranscoder, java.awt.image.BufferedImage, org.apache.flex.forks.batik.transcoder.TranscoderOutput)
     */
    public void writeImage(PNGTranscoder transcoder, BufferedImage img,
            TranscoderOutput output) throws TranscoderException {
        TranscodingHints hints = transcoder.getTranscodingHints();

        int n=-1;
        if (hints.containsKey(PNGTranscoder.KEY_INDEXED)) {
            n=((Integer)hints.get(PNGTranscoder.KEY_INDEXED)).intValue();
            if (n==1||n==2||n==4||n==8)
                //PNGEncodeParam.Palette can handle these numbers only.
                img = IndexImage.getIndexedImage(img,1<<n);
        }

        PNGEncodeParam params = PNGEncodeParam.getDefaultEncodeParam(img);
        if (params instanceof PNGEncodeParam.RGB) {
            ((PNGEncodeParam.RGB)params).setBackgroundRGB
                (new int [] { 255, 255, 255 });
        }

        // If they specify GAMMA key with a value of '0' then omit
        // gamma chunk.  If they do not provide a GAMMA then just
        // generate an sRGB chunk. Otherwise supress the sRGB chunk
        // and just generate gamma and chroma chunks.
        if (hints.containsKey(PNGTranscoder.KEY_GAMMA)) {
            float gamma = ((Float)hints.get(PNGTranscoder.KEY_GAMMA)).floatValue();
            if (gamma > 0) {
                params.setGamma(gamma);
            }
            params.setChromaticity(PNGTranscoder.DEFAULT_CHROMA);
        }  else {
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     * @throws TranscoderException
     * @see org.apache.flex.forks.batik.transcoder.image.PNGTranscoder.WriteAdapter#writeImage(org.apache.flex.forks.batik.transcoder.image.PNGTranscoder, java.awt.image.BufferedImage, org.apache.flex.forks.batik.transcoder.TranscoderOutput)
     */
    public void writeImage(TIFFTranscoder transcoder, BufferedImage img,
            TranscoderOutput output) throws TranscoderException {
        TranscodingHints hints = transcoder.getTranscodingHints();

        TIFFEncodeParam params = new TIFFEncodeParam();

        float PixSzMM = transcoder.getUserAgent().getPixelUnitToMillimeter();
        // num Pixs in 100 Meters
        int numPix      = (int)(((1000 * 100) / PixSzMM) + 0.5);
        int denom       = 100 * 100;  // Centimeters per 100 Meters;
        long [] rational = {numPix, denom};
        TIFFField [] fields = {
            new TIFFField(TIFFImageDecoder.TIFF_RESOLUTION_UNIT,
                          TIFFField.TIFF_SHORT, 1,
                          new char [] { (char)3 }),
            new TIFFField(TIFFImageDecoder.TIFF_X_RESOLUTION,
                          TIFFField.TIFF_RATIONAL, 1,
                          new long [][] { rational }),
            new TIFFField(TIFFImageDecoder.TIFF_Y_RESOLUTION,
                          TIFFField.TIFF_RATIONAL, 1,
                          new long [][] { rational })
                };

        params.setExtraFields(fields);

        if (hints.containsKey(TIFFTranscoder.KEY_COMPRESSION_METHOD)) {
            String method = (String)hints.get(TIFFTranscoder.KEY_COMPRESSION_METHOD);
            if ("packbits".equals(method)) {
                params.setCompression(TIFFEncodeParam.COMPRESSION_PACKBITS);
            } else if ("deflate".equals(method)) {
                params.setCompression(TIFFEncodeParam.COMPRESSION_DEFLATE);
            /* TODO: NPE occurs when used.
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     * @see org.apache.flex.forks.batik.transcoder.image.PNGTranscoder.WriteAdapter#writeImage(org.apache.flex.forks.batik.transcoder.image.PNGTranscoder, java.awt.image.BufferedImage, org.apache.flex.forks.batik.transcoder.TranscoderOutput)
     */
    public void writeImage(PNGTranscoder transcoder, BufferedImage img,
            TranscoderOutput output) throws TranscoderException {

        TranscodingHints hints = transcoder.getTranscodingHints();

        int n = -1;
        if (hints.containsKey(PNGTranscoder.KEY_INDEXED)) {
            n=((Integer)hints.get(PNGTranscoder.KEY_INDEXED)).intValue();
            if (n==1||n==2||n==4||n==8)
                //PNGEncodeParam.Palette can handle these numbers only.
                img = IndexImage.getIndexedImage(img, 1<<n);
        }

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     * @see org.apache.flex.forks.batik.transcoder.image.TIFFTranscoder.WriteAdapter#writeImage(TIFFTranscoder, java.awt.image.BufferedImage, org.apache.flex.forks.batik.transcoder.TranscoderOutput)
     */
    public void writeImage(TIFFTranscoder transcoder, BufferedImage img,
            TranscoderOutput output) throws TranscoderException {

        TranscodingHints hints = transcoder.getTranscodingHints();

        ImageWriter writer = ImageWriterRegistry.getInstance()
            .getWriterFor("image/tiff");
        ImageWriterParams params = new ImageWriterParams();

        float PixSzMM = transcoder.getUserAgent().getPixelUnitToMillimeter();
        int PixSzInch = (int)(25.4 / PixSzMM + 0.5);
        params.setResolution(PixSzInch);

        if (hints.containsKey(TIFFTranscoder.KEY_COMPRESSION_METHOD)) {
            String method = (String)hints.get(TIFFTranscoder.KEY_COMPRESSION_METHOD);
            //Values set here as defined in TIFFImageWriteParam of JAI Image I/O Tools
            if ("packbits".equals(method)) {
                params.setCompressionMethod("PackBits");
            } else if ("deflate".equals(method)) {
                params.setCompressionMethod("Deflate");
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Related Classes of org.apache.flex.forks.batik.transcoder.TranscodingHints

  • org.apache.flex.forks.batik.ext.awt.image.codec.imageio.PNGTranscoderImageIOWriteAdapter
  • org.apache.flex.forks.batik.ext.awt.image.codec.imageio.TIFFTranscoderImageIOWriteAdapter
  • org.apache.flex.forks.batik.ext.awt.image.codec.png.PNGTranscoderInternalCodecWriteAdapter
  • org.apache.flex.forks.batik.ext.awt.image.codec.tiff.TIFFTranscoderInternalCodecWriteAdapter
  • java.util.Iterator
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