Package org.apache.batik.transcoder.image

Examples of org.apache.batik.transcoder.image.JPEGTranscoder

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                        (resources.getString("Message.exportAsJPG"));

                    // create a BufferedImage of the appropriate type
                    int w = buffer.getWidth();
                    int h = buffer.getHeight();
                    final ImageTranscoder trans = new JPEGTranscoder();
                    trans.addTranscodingHint
                        (JPEGTranscoder.KEY_XML_PARSER_CLASSNAME,
                         application.getXMLParserClassName());
                    trans.addTranscodingHint
                        (JPEGTranscoder.KEY_QUALITY, new Float(quality));

                    final BufferedImage img = trans.createImage(w, h);

                    // paint the buffer to the image
                    Graphics2D g2d = img.createGraphics();
                    g2d.setColor(Color.white);
                    g2d.fillRect(0, 0, w, h);
                    g2d.drawImage(buffer, null, 0, 0);
                    new Thread() {
                        public void run() {
                            try {
                                currentExportPath = f;
                                OutputStream ostream =
                                    new BufferedOutputStream(new FileOutputStream(f));
                                trans.writeImage(img, new TranscoderOutput(ostream));
                                ostream.flush();
                                ostream.close();
                            } catch (Exception ex) { }
                            statusBar.setMessage
                                (resources.getString("Message.done"));
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    switch (mime) {
    case PNG:
      transcoder = new PNGTranscoder();
      break;
    case JPEG:
      transcoder = new JPEGTranscoder();
      transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY,
          new Float(0.9));
      break;
    case PDF:
      transcoder = new PDFTranscoder();
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    protected Transcoder getTranscoder(){
        switch(code) {
            case PNG_CODE:
                return new PNGTranscoder();
            case JPEG_CODE:
                return new JPEGTranscoder();
            case TIFF_CODE:
                return new TIFFTranscoder();
            case PDF_CODE:
                try {
                    Class pdfClass = Class.forName("org.apache.fop.svg.PDFTranscoder");
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                        (resources.getString("Message.exportAsJPG"));

                    // create a BufferedImage of the appropriate type
                    int w = buffer.getWidth();
                    int h = buffer.getHeight();
                    final ImageTranscoder trans = new JPEGTranscoder();
                    trans.addTranscodingHint
                        (JPEGTranscoder.KEY_XML_PARSER_CLASSNAME,
                         application.getXMLParserClassName());
                    trans.addTranscodingHint
                        (JPEGTranscoder.KEY_QUALITY, new Float(quality));

                    final BufferedImage img = trans.createImage(w, h);

                    // paint the buffer to the image
                    Graphics2D g2d = img.createGraphics();
                    g2d.setColor(Color.white);
                    g2d.fillRect(0, 0, w, h);
                    g2d.drawImage(buffer, null, 0, 0);
                    new Thread() {
                        public void run() {
                            try {
                                currentSavePath = f;
                                OutputStream ostream =
                                    new BufferedOutputStream(new FileOutputStream(f));
                                trans.writeImage(img, new TranscoderOutput(ostream));
                                ostream.flush();
                                ostream.close();
                            } catch (Exception ex) { }
                            statusBar.setMessage
                                (resources.getString("Message.done"));
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                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);

        ByteArrayOutputStream output = new ByteArrayOutputStream();

        JPEGTranscoder transcoder = new JPEGTranscoder();
        transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(
                Math.max(0, Math.min(quality, 100)) / 100.0f));
        transcoder.writeImage(thumb, new TranscoderOutput(output));
        thubmnailArraySize = output.size();
        return new ByteArrayInputStream(output.toByteArray());
    }
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                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);

        ByteArrayOutputStream output = new ByteArrayOutputStream();

        JPEGTranscoder transcoder = new JPEGTranscoder();
        transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(
                Math.max(0, Math.min(quality, 100)) / 100.0f));
        transcoder.writeImage(thumb, new TranscoderOutput(output));

        DataSource dataSource= new ByteArrayDataSource(output.toByteArray(), "application/octet-stream");
        return new DataHandler(dataSource);
    }
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    /*
    * Return the image as a base64 encoded string of a PNG
    * */
    public String toPNGBase64String() {
        // Create a JPEG transcoder
        JPEGTranscoder jpegTranscoder = new JPEGTranscoder();
        // Set the transcoding hints.
        jpegTranscoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(0.8));
        // Create the transcoder input.
        String inputString = getHeaders() + generateSVGString();  //svgDoc is set from generateSVGString()
//        TranscoderInput transcoderInput = new TranscoderInput(svgDoc);
        Reader stringReader = new StringReader(inputString);
        TranscoderInput transcoderInput2 = new TranscoderInput(stringReader);
        // Create the transcoder output.
        OutputStream osByteArray = new ByteArrayOutputStream();
        TranscoderOutput transcoderOutput = new TranscoderOutput(osByteArray);
        try {
            jpegTranscoder.transcode(transcoderInput2, transcoderOutput);
        } catch (TranscoderException e) {
            log.error("JPEGTranscoder error", e);
            return null;
        }
        try {
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    /*
    * Return the image as a byte array of a PNG
    * */
    public byte[] toPNGBytes() {
        // Create a JPEG transcoder
        JPEGTranscoder jpegTranscoder = new JPEGTranscoder();
        // Set the transcoding hints.
        jpegTranscoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(0.8));
        // Create the transcoder input.
        String inputString = getHeaders() + generateSVGString();    //svgDoc is set from generateSVGString()
//        TranscoderInput transcoderInput = new TranscoderInput(svgDoc);
        Reader stringReader = new StringReader(inputString);
        TranscoderInput transcoderInput2 = new TranscoderInput(stringReader);
        // Create the transcoder output.
        OutputStream osByteArray = new ByteArrayOutputStream();
        TranscoderOutput transcoderOutput = new TranscoderOutput(osByteArray);
        try {
            jpegTranscoder.transcode(transcoderInput2, transcoderOutput);
        } catch (TranscoderException e) {
            log.error("JPEGTranscoder transcode error", e);
            return null;
        }

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        // Create the transcoder output.
        OutputStream ostream = new FileOutputStream(jpeg);
        TranscoderOutput output = new TranscoderOutput(ostream);

        // Create a JPEG transcoder
        Transcoder t = new JPEGTranscoder();

        // Set the transcoding hints.
        t.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(1.0));

        // Save the image.
        t.transcode(input, output);

        // Flush and close the stream.
        ostream.flush();
        ostream.close();
    }
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        // Create the transcoder output.
        OutputStream ostream = new FileOutputStream(jpeg);
        TranscoderOutput output = new TranscoderOutput(ostream);

        // Create a JPEG transcoder
        Transcoder t = new JPEGTranscoder();

        // Set the transcoding hints.
        t.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(1.0));

        // Save the image.
        t.transcode(input, output);

        // Flush and close the stream.
        ostream.flush();
        ostream.close();
    }
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