Hi Mark, As far as I know, ImageTranscoder does not supply specific antialias hints. Maybe you can try a shape-rendering attribute on the svg?
http://www.w3.org/TR/SVG/painting.html#ShapeRenderingProperty On Tue, Aug 27, 2013 at 6:27 PM, Mark Riley < mark.ri...@seriousintegrated.com> wrote: > I’m still struggling to figure out a way to improve the quality of my SVG > images in Batik.**** > > ** ** > > It seems this maybe an Antialiasing issue? I can’t seem to find a > transcoder hint that will improve this.**** > > ** ** > > Thanks,**** > > Mark**** > > ** ** > > *From:* Mark Riley [mailto:mark.ri...@seriousintegrated.com] > *Sent:* Friday, August 23, 2013 2:41 PM > *To:* batik-users@xmlgraphics.apache.org > *Subject:* SVG BufferedImage Quality**** > > ** ** > > I have a question about how to improve the quality of the images I’m > generating for buffered images. **** > > ** ** > > **** > > ** ** > > The left image is the image I generated with Batik while the right is the > original. How do I generate a Buffered Image of the same quality? My code > currently looks like this:**** > > ** ** > > Float width;**** > > Float height;**** > > ** ** > > try {**** > > ByteArrayOutputStream baos = new ByteArrayOutputStream();**** > > byte[] buf = new byte[image.getStream().available()];**** > > int n = 0;**** > > while ((n = image.getStream().read(buf)) >= 0) {**** > > baos.write(buf, 0, n);**** > > }**** > > byte[] content = baos.toByteArray();**** > > ** ** > > ** ** > > String parser = XMLResourceDescriptor.getXMLParserClassName(); > **** > > SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);** > ** > > Document doc = f.createDocument(image.getFilename(), new > ByteArrayInputStream(content));**** > > Element element = doc.getDocumentElement();**** > > if (element.hasAttributeNS(null, "viewBox")) {**** > > String[] parts = element.getAttribute("viewBox").split("\\ > ");**** > > width = new Float(parts[2]);**** > > height = new Float(parts[3]);**** > > } else if (element.hasAttributeNS(null, "height") && > element.hasAttributeNS(null, "width")) {**** > > height = new Float(element.getAttributeNS(null, "height")); > **** > > width = new Float(element.getAttributeNS(null, "width"));* > *** > > } else {**** > > width = new Float(100);**** > > height = new Float(100);**** > > }**** > > ** ** > > ShipTranscoder transcoder = new ShipTranscoder();**** > > TranscodingHints hints = new TranscodingHints();**** > > DOMImplementation impl = > SVGDOMImplementation.getDOMImplementation();**** > > hints.put(ImageTranscoder.KEY_WIDTH, width);**** > > hints.put(ImageTranscoder.KEY_HEIGHT, height);**** > > hints.put(ImageTranscoder.KEY_DOM_IMPLEMENTATION, impl);**** > > hints.put(ImageTranscoder.KEY_DOCUMENT_ELEMENT_NAMESPACE_URI, > SVGConstants.SVG_NAMESPACE_URI);**** > > hints.put(ImageTranscoder.KEY_DOCUMENT_ELEMENT_NAMESPACE_URI, > SVGConstants.SVG_NAMESPACE_URI);**** > > hints.put(ImageTranscoder.KEY_DOCUMENT_ELEMENT, > SVGConstants.SVG_SVG_TAG);**** > > hints.put(ImageTranscoder.KEY_XML_PARSER_VALIDATING, false);** > ** > > transcoder.setTranscodingHints(hints);**** > > transcoder.transcode(new TranscoderInput(new > ByteArrayInputStream(content)), null);**** > > image.setImage(transcoder.getImage());**** > > ** ** > > } catch (Throwable e) {**** > > Exceptions.printStackTrace(e);**** > > String error = "Invalid input stream for SVG file type.";**** > > setError(SHIPPROPKEY.IMAGE_SOURCEFILE, error);**** > > LOGGER.log(Level.SEVERE, " {0}\n", error);**** > > throw new MashException(getClass().getSimpleName()**** > > }**** > > ** ** > > class ShipTranscoder extends ImageTranscoder {**** > > ** ** > > private BufferedImage image = null;**** > > ** ** > > @Override**** > > public BufferedImage createImage(int w, int h) {**** > > image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);* > *** > > return image;**** > > }**** > > ** ** > > @Override**** > > public void writeImage(BufferedImage img, TranscoderOutput out) {* > *** > > }**** > > ** ** > > public BufferedImage getImage() {**** > > return image;**** > > }**** > > }**** > > ** ** > > Thanks,**** > > Mark**** >
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