Java Transcoder.transcode方法代码示例

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
public void streamOut(OutputStream out) {

    // Stream out SVG to the standard output using UTF-8 encoding.
    try {
      TranscoderInput input = new TranscoderInput(svg);
      TranscoderOutput output = new TranscoderOutput(new BufferedWriter(new OutputStreamWriter(out, "UTF-8")));
      Transcoder t = new SVGTranscoder();
      t.transcode(input, output);
    }
    catch (TranscoderException e) {
      e.printStackTrace();
    }
    catch (UnsupportedEncodingException uee) {
      uee.printStackTrace();
    }
  }
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
private void convert(String svgFileName, String pngFileName)
{
	Transcoder transcoder = new PNGTranscoder();
       Map<TranscodingHints.Key, Float> hints = 
       	new HashMap<TranscodingHints.Key, Float>();
       hints.put(ImageTranscoder.KEY_MAX_HEIGHT, new Float(750));
       hints.put(ImageTranscoder.KEY_MAX_WIDTH, new Float(750));
       transcoder.setTranscodingHints(hints);
	
       try {
        TranscoderInput input = 
        	new TranscoderInput(new File(svgFileName).toURI().toString());
		TranscoderOutput output =
			new TranscoderOutput(new FileOutputStream(pngFileName));
	
		transcoder.transcode(input, output);
	} catch (Exception e) {
		throw new RuntimeException("Transcoding failed.", e);
	}
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
private void convert(String svgFileName, String pngFileName)
{
	Transcoder transcoder = new PNGTranscoder();
       Map<TranscodingHints.Key, Float> hints = 
       	new HashMap<TranscodingHints.Key, Float>();
       hints.put(ImageTranscoder.KEY_MAX_HEIGHT, new Float(200));
       hints.put(ImageTranscoder.KEY_MAX_WIDTH, new Float(750));
       transcoder.setTranscodingHints(hints);
	
       try {
        TranscoderInput input = 
        	new TranscoderInput(new File(svgFileName).toURI().toString());
		TranscoderOutput output =
			new TranscoderOutput(new FileOutputStream(pngFileName));
	
		transcoder.transcode(input, output);
	} catch (Exception e) {
		throw new RuntimeException("Transcoding failed.", e);
	}
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
@Override
public void export(Model model, OutputStream out) throws IOException, SerialisationException {
    InputStream svg = SvgExportUtils.stream(model);
    Transcoder transcoder = new EPSTranscoder();
    TranscoderInput transcoderInput = new TranscoderInput(svg);
    TranscoderOutput transcoderOutput = new TranscoderOutput(out);
    try {
        transcoder.transcode(transcoderInput, transcoderOutput);
    } catch (TranscoderException e) {
        throw new SerialisationException(e);
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
@Override
public void export(Model model, OutputStream out) throws IOException, SerialisationException {
    InputStream svg = SvgExportUtils.stream(model);
    Transcoder transcoder = new PSTranscoder();
    TranscoderInput transcoderInput = new TranscoderInput(svg);
    TranscoderOutput transcoderOutput = new TranscoderOutput(out);
    try {
        transcoder.transcode(transcoderInput, transcoderOutput);
    } catch (TranscoderException e) {
        throw new SerialisationException(e);
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
@Override
public void export(Model model, OutputStream out) throws IOException, SerialisationException {
    InputStream svg = SvgExportUtils.stream(model);
    Transcoder transcoder = new PDFTranscoder();
    TranscoderInput transcoderInput = new TranscoderInput(svg);
    TranscoderOutput transcoderOutput = new TranscoderOutput(out);
    try {
        transcoder.transcode(transcoderInput, transcoderOutput);
    } catch (TranscoderException e) {
        throw new SerialisationException(e);
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
@Override
public void export(Model model, OutputStream out) throws IOException, SerialisationException {
    InputStream svg = SvgExportUtils.stream(model);
    Transcoder transcoder = new PNGTranscoder();
    TranscoderInput transcoderInput = new TranscoderInput(svg);
    TranscoderOutput transcoderOutput = new TranscoderOutput(out);
    try {
        transcoder.transcode(transcoderInput, transcoderOutput);
    } catch (TranscoderException e) {
        throw new SerialisationException(e);
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * Transcode a document into a file using the given transcoder.
 *
 * @param file Output file
 * @param transcoder Transcoder to use
 * @throws IOException On write errors
 * @throws TranscoderException On input/parsing errors
 */
protected void transcode(File file, Transcoder transcoder) throws IOException, TranscoderException {
  // Disable validation, performance is more important here (thumbnails!)
  transcoder.addTranscodingHint(XMLAbstractTranscoder.KEY_XML_PARSER_VALIDATING, Boolean.FALSE);
  SVGDocument doc = cloneDocument();
  TranscoderInput input = new TranscoderInput(doc);
  OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
  TranscoderOutput output = new TranscoderOutput(out);
  transcoder.transcode(input, output);
  out.flush();
  out.close();
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
private void transcodeDom(Transcoder transcoder) throws IOException, TranscoderException {
    TranscoderInput transcoderInput = new TranscoderInput(savePanel.getGraphPanel().doc);
    OutputStream outputStream = new java.io.FileOutputStream(outputFile);
    outputStream = new java.io.BufferedOutputStream(outputStream);
    try {
        TranscoderOutput transcoderOutput = new TranscoderOutput(outputStream);
        // todo: resolve the issue here when transcoding to jpg
        transcoder.transcode(transcoderInput, transcoderOutput);
    } finally {
        outputStream.close();
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * Converts an FO file to a PDF file using FOP
 * @param svg the SVG file
 * @param pdf the target PDF file
 * @throws IOException In case of an I/O problem
 * @throws TranscoderException In case of a transcoding problem
 */
public void convertSVG2PDF(File svg, File pdf) throws IOException, TranscoderException {

    //Create transcoder
    Transcoder transcoder = new PDFTranscoder();
    //Transcoder transcoder = new org.apache.fop.render.ps.PSTranscoder();

    //Setup input
    InputStream in = new java.io.FileInputStream(svg);
    try {
        TranscoderInput input = new TranscoderInput(in);

        //Setup output
        OutputStream out = new java.io.FileOutputStream(pdf);
        out = new java.io.BufferedOutputStream(out);
        try {
            TranscoderOutput output = new TranscoderOutput(out);

            //Do the transformation
            transcoder.transcode(input, output);
        } finally {
            out.close();
        }
    } finally {
        in.close();
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * Runs the PDF transcoder as if it were called by Batik's rasterizer.
 * Without special configuration stuff.
 * @throws Exception if a problem occurs
 */
@Test
public void testGenericPDFTranscoder() throws Exception {
    //Create transcoder
    Transcoder transcoder = createTranscoder();

    //Setup input
    File svgFile = new File(getBaseDir(), "test/resources/fop/svg/text.svg");
    InputStream in = new java.io.FileInputStream(svgFile);
    try {
        TranscoderInput input = new TranscoderInput(in);

        //Setup output
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            TranscoderOutput output = new TranscoderOutput(out);

            //Do the transformation
            transcoder.transcode(input, output);
        } finally {
            out.close();
        }
        assertTrue("Some output expected", out.size() > 0);
    } finally {
        in.close();
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * Exports the selected file to the wanted format.
 *
 * @param exportFile
 * @param imageType
 * @param svgGenerator
 * @throws IOException
 * @throws TranscoderException
 */
private static void exportPlot(File exportFile, ImageType imageType, SVGGraphics2D svgGenerator)
        throws IOException, TranscoderException {

    // write the svg file
    File svgFile = exportFile;

    if (imageType != ImageType.SVG) {
        svgFile = new File(exportFile.getAbsolutePath() + ".temp");
    }

    OutputStream outputStream = new FileOutputStream(svgFile);
    BufferedOutputStream bos = new BufferedOutputStream(outputStream);
    Writer out = new OutputStreamWriter(bos, "UTF-8");
    svgGenerator.stream(out, true /* use css */);
    outputStream.flush();
    outputStream.close();
    bos.close();

    // if selected image format is not svg, convert the image
    if (imageType != ImageType.SVG) {

        // set up the svg input
        String svgURI = svgFile.toURI().toString();
        TranscoderInput svgInputFile = new TranscoderInput(svgURI);

        OutputStream outstream = new FileOutputStream(exportFile);
        bos = new BufferedOutputStream(outstream);
        TranscoderOutput output = new TranscoderOutput(bos);

        if (imageType == ImageType.PDF) {

            // write as pdf
            Transcoder pdfTranscoder = new PDFTranscoder();
            pdfTranscoder.addTranscodingHint(PDFTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, new Float(0.084666f));
            pdfTranscoder.transcode(svgInputFile, output);

        } else if (imageType == ImageType.JPEG) {

            // write as jpeg
            Transcoder jpegTranscoder = new JPEGTranscoder();
            jpegTranscoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(1.0));
            jpegTranscoder.transcode(svgInputFile, output);

        } else if (imageType == ImageType.TIFF) {

            // write as tiff
            Transcoder tiffTranscoder = new TIFFTranscoder();
            tiffTranscoder.addTranscodingHint(TIFFTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, new Float(0.084666f));
            tiffTranscoder.addTranscodingHint(TIFFTranscoder.KEY_FORCE_TRANSPARENT_WHITE, true);
            tiffTranscoder.transcode(svgInputFile, output);

        } else if (imageType == ImageType.PNG) {

            // write as png
            Transcoder pngTranscoder = new PNGTranscoder();
            pngTranscoder.addTranscodingHint(PNGTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, new Float(0.084666f));
            pngTranscoder.transcode(svgInputFile, output);

        }

        //close the stream
        outstream.flush();
        outstream.close();
        bos.close();

        // delete the svg file given that the selected format is not svg
        if (svgFile.exists()) {
            svgFile.delete();
        }
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * Exports the selected file to the wanted format.
 *
 * @param exportFile
 * @param imageType
 * @param svgGenerator
 * @throws IOException
 * @throws TranscoderException
 */
private static void exportPlot(File exportFile, ImageType imageType, SVGGraphics2D svgGenerator)
        throws IOException, TranscoderException {

    // write the svg file
    File svgFile = exportFile;

    if (imageType != ImageType.SVG) {
        svgFile = new File(exportFile.getAbsolutePath() + ".temp");
    }

    OutputStream outputStream = new FileOutputStream(svgFile);
    Writer out = new OutputStreamWriter(outputStream, "UTF-8");
    svgGenerator.stream(out, true /* use css */);
    outputStream.flush();
    outputStream.close();

    // if selected image format is not svg, convert the image
    if (imageType != ImageType.SVG) {

        // set up the svg input
        String svgURI = svgFile.toURI().toString();
        TranscoderInput svgInputFile = new TranscoderInput(svgURI);

        OutputStream outstream = new FileOutputStream(exportFile);
        TranscoderOutput output = new TranscoderOutput(outstream);

        if (imageType == ImageType.PDF) {

            // write as pdf
            Transcoder pdfTranscoder = new PDFTranscoder();
            pdfTranscoder.addTranscodingHint(PDFTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, new Float(0.084666f));
            pdfTranscoder.transcode(svgInputFile, output);

        } else if (imageType == ImageType.JPEG) {

            // write as jpeg
            Transcoder jpegTranscoder = new JPEGTranscoder();
            jpegTranscoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(1.0));
            jpegTranscoder.transcode(svgInputFile, output);

        } else if (imageType == ImageType.TIFF) {

            // write as tiff
            Transcoder tiffTranscoder = new TIFFTranscoder();
            tiffTranscoder.addTranscodingHint(TIFFTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, new Float(0.084666f));
            tiffTranscoder.addTranscodingHint(TIFFTranscoder.KEY_FORCE_TRANSPARENT_WHITE, true);
            tiffTranscoder.transcode(svgInputFile, output);

        } else if (imageType == ImageType.PNG) {

            // write as png
            Transcoder pngTranscoder = new PNGTranscoder();
            pngTranscoder.addTranscodingHint(PNGTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER, new Float(0.084666f));
            pngTranscoder.transcode(svgInputFile, output);

        }

        //close the stream
        outstream.flush();
        outstream.close();

        // delete the svg file given that the selected format is not svg
        if (svgFile.exists()) {
            svgFile.delete();
        }
    }
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * @param args
 * @throws IOException 
 * @throws TranscoderException 
 */
public static void main(String[] args) throws IOException, TranscoderException {
	
	InputStream resourceAsStream = SVGMainTests.class.getResourceAsStream("/br/com/dlp/jazzav/modeloanuncio/teste.svg");
	
	InputStream fis = resourceAsStream;
	
	FileOutputStream fos = new FileOutputStream("teste.png");
	
	Transcoder transcoder = new PNGTranscoder(); 
	
	Map hintMap = new HashMap();
	
	hintMap.put(PNGTranscoder.KEY_BACKGROUND_COLOR,Color.BLACK);
	
	
	
	
	transcoder.setTranscodingHints(hintMap);
	
	
	
	TranscoderInput in = new TranscoderInput(fis);
	TranscoderOutput out = new TranscoderOutput(fos);
	
	transcoder.transcode(in, out);
	
	fos.flush();
	fos.close();
	
	/*
	AffineTransform xform = new AffineTransform();
	
	xform.rotate(Math.toRadians(30));
	
	AffineTransformOp op = new AffineTransformOp(xform, AffineTransformOp.TYPE_BICUBIC);
	*/
	
}
 

import org.apache.batik.transcoder.Transcoder; //导入方法依赖的package包/类
/**
 * Write an SVG image to a file with the given transcoder to determine the
 * format
 * 
 * @param image
 *            the image
 * @param output
 *            the file to write to
 * @param trans
 *            the transcoder
 * @throws IOException
 *             if an error occurs during writing
 * @throws TranscoderException
 *             if an error occurs during transcoding
 */
public static void write(final SVGImage image, final File output, Transcoder trans) throws IOException,
		TranscoderException
{
	final TranscoderInput input = new TranscoderInput(image.createRenderer().getDocument());
	final TranscoderOutput toutput = new TranscoderOutput(new FileOutputStream(output));

	trans.transcode(input, toutput);
}