Java ImageTranscoder.addTranscodingHint方法代码示例

import org.apache.batik.transcoder.image.ImageTranscoder; //导入方法依赖的package包/类
/**
 * Returns the <code>ImageTranscoder</code> the Test should
 * use
 */
public ImageTranscoder getTestImageTranscoder(){
    ImageTranscoder t = new InternalPNGTranscoder();
    t.addTranscodingHint(PNGTranscoder.KEY_FORCE_TRANSPARENT_WHITE,
                         Boolean.FALSE);
    t.addTranscodingHint(PNGTranscoder.KEY_BACKGROUND_COLOR,
                         new Color(0,0,0,0));
    t.addTranscodingHint(PNGTranscoder.KEY_EXECUTE_ONLOAD,
                         Boolean.TRUE);

    if (validate){
        t.addTranscodingHint(PNGTranscoder.KEY_XML_PARSER_VALIDATING,
                             Boolean.TRUE);
        t.addTranscodingHint(PNGTranscoder.KEY_XML_PARSER_CLASSNAME,
                             VALIDATING_PARSER);
    }

    if (userLanguage != null){
        t.addTranscodingHint(PNGTranscoder.KEY_LANGUAGE, 
                             userLanguage);
    }
    return t;
}
 

import org.apache.batik.transcoder.image.ImageTranscoder; //导入方法依赖的package包/类
protected void readInput(final PipelineContext context, final ProcessorInput input, Config config, OutputStream outputStream) {
    try {

        //JPEGTranscoder t = new JPEGTranscoder();
        final ImageTranscoder imageTranscoder = new PNGTranscoder();
        imageTranscoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(0.8));
        //t.addTranscodingHint(JPEGTranscoder.KEY_WIDTH, new Integer(100));
        //trans.addTranscodingHint(JPEGTranscoder.KEY_AOI, aoi);
        //Document document = readInputAsDOM4J(context, input);
        //String documentString = XMLUtils.domToString(document);
        //TranscoderInput ti = new TranscoderInput(new StringReader(documentString));
        //TranscoderInput tixxx1 = new TranscoderInput(document);

        final TranscoderInput transcoderInput = new TranscoderInput(new XMLReaderToReceiver() {
            @Override
            public void parse(String systemId) throws SAXException {
                readInputAsSAX(context, (input != null) ? input : getInputByName(INPUT_DATA), createXMLReceiver());
            }
        });
        final TranscoderOutput transcoderOutput = new TranscoderOutput(outputStream);
        imageTranscoder.transcode(transcoderInput, transcoderOutput);
    } catch (Exception e) {
        throw new OXFException(e);
    }
}
 

import org.apache.batik.transcoder.image.ImageTranscoder; //导入方法依赖的package包/类
private void setupTranscoder(ImageTranscoder t, SVGDocument doc) throws TranscoderException {
    UserAgent userAgent = new UserAgentAdapter();
    DocumentLoader loader = new DocumentLoader(userAgent);
    BridgeContext ctx = new BridgeContext(userAgent, loader);
    ctx.setDynamicState(BridgeContext.DYNAMIC);
    GVTBuilder builder = new GVTBuilder();
    GraphicsNode rootGN = builder.build(ctx, doc);
    Rectangle2D bounds = rootGN.getBounds();

    double pageWidth = settings.getPropertyDouble(PROPERTY_PAGE_WIDTH, DEFAULT_PAGE_WIDTH) * dpi;
    double pageHeight = settings.getPropertyDouble(PROPERTY_PAGE_HEIGHT, DEFAULT_PAGE_HEIGHT) * dpi;
    Point2D.Double scaledSize = getScaledSize(bounds.getWidth(), bounds.getHeight(), pageWidth, pageHeight);
    System.out.println("Target size = " + pageWidth + "x" + pageHeight);
    System.out.println("Scaled size = " + scaledSize.getX() + "x" + scaledSize.getY());

    t.addTranscodingHint(PNGTranscoder.KEY_WIDTH, (float) scaledSize.getX());
    t.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, (float)scaledSize.getY());
    t.addTranscodingHint(PNGTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, 25.4f / 300.0f);
}
 

import org.apache.batik.transcoder.image.ImageTranscoder; //导入方法依赖的package包/类
/**
 * Returns the <code>ImageTranscoder</code> the Test should
 * use
 */
public ImageTranscoder getTestImageTranscoder(){
    ImageTranscoder t = super.getTestImageTranscoder();
    t.addTranscodingHint(PNGTranscoder.KEY_ALTERNATE_STYLESHEET,
                         parameter);
    return t;
}
 

import org.apache.batik.transcoder.image.ImageTranscoder; //导入方法依赖的package包/类
public void actionPerformed(ActionEvent e) {
    JFileChooser fileChooser =
        new JFileChooser(makeAbsolute(currentSavePath));
    fileChooser.setDialogTitle(resources.getString("ExportAsJPG.title"));
    fileChooser.setFileHidingEnabled(false);
    fileChooser.setFileSelectionMode
        (JFileChooser.FILES_ONLY);
    fileChooser.addChoosableFileFilter(new ImageFileFilter(".jpg"));

    int choice = fileChooser.showSaveDialog(JSVGViewerFrame.this);
    if (choice == JFileChooser.APPROVE_OPTION) {
        float quality =
            JPEGOptionPanel.showDialog(JSVGViewerFrame.this);

        final File f = fileChooser.getSelectedFile();
        BufferedImage buffer = svgCanvas.getOffScreen();
        if (buffer != null) {
            statusBar.setMessage
                (resources.getString("Message.exportAsJPG"));

            // create a BufferedImage of the appropriate type
            int w = buffer.getWidth();
            int h = buffer.getHeight();
            final ImageTranscoder trans = new JPEGTranscoder();
            if (application.getXMLParserClassName() != null) {
                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.close();
                    } catch (Exception ex) { }
                    statusBar.setMessage
                        (resources.getString("Message.done"));
                }
            }.start();
        }
    }
}
 

import org.apache.batik.transcoder.image.ImageTranscoder; //导入方法依赖的package包/类
/**
 * Returns the <code>ImageTranscoder</code> the Test should
 * use
 */
public ImageTranscoder getTestImageTranscoder(){
    ImageTranscoder t = super.getTestImageTranscoder();
    t.addTranscodingHint(PNGTranscoder.KEY_MEDIA, parameter);
    return t;
}