Examples with ImageData org.xwiki.formula.ImageData used on opensource projects

Example 6 with ImageData

use of org.xwiki.formula.ImageData in project xwiki-platform by xwiki.

the class SnuggleTexFormulaRenderer method renderImage.

@Override
protected ImageData renderImage(String formula, boolean inline, FormulaRenderer.FontSize size, FormulaRenderer.Type type) throws IllegalArgumentException, IOException {
    SnuggleSession session = this.engine.createSession();
    SnuggleInput input = new SnuggleInput(wrapFormula(formula, inline));
    session.parseInput(input);
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    CustomMathMLImageSavingCallback callback = new CustomMathMLImageSavingCallback(output, size.getSize());
    WebPageOutputOptions options = JEuclidUtilities.createWebPageOptions(false, callback);
    session.writeWebPage(options, new NullOutputStream());
    return new ImageData(output.toByteArray(), type);
}

Example 7 with ImageData

use of org.xwiki.formula.ImageData in project xwiki-platform by xwiki.

the class PDFURIResolver method resolve.

@Override
public Source resolve(String href, String base) throws TransformerException {
    if (this.attachmentMap != null) {
        // implemented for TemporaryResource...
        if (href.contains(TEX_ACTION)) {
            // Note: See the comments in FormulaMacro to understand why we do a replace...
            AttachmentReference reference = this.attachmentMap.get(href.replace(TEX_ACTION, "/download/"));
            if (reference != null) {
                // Get the generated image's input stream
                ImageStorage storage = Utils.getComponent(ImageStorage.class);
                ImageData image = storage.get(reference.getName());
                return new StreamSource(new ByteArrayInputStream(image.getData()));
            }
        }
        // TODO: end HACK
        AttachmentReference reference = this.attachmentMap.get(href);
        if (reference != null) {
            try {
                XWikiDocument xdoc = this.context.getWiki().getDocument(reference.extractReference(EntityType.DOCUMENT), this.context);
                // TODO: handle revisions
                XWikiAttachment attachment = xdoc.getAttachment(reference.extractReference(EntityType.ATTACHMENT).getName());
                return new StreamSource(attachment.getContentInputStream(this.context));
            } catch (Exception e) {
                throw new TransformerException(String.format("Failed to resolve export URI [%s]", href), e);
            }
        }
    }
    // Defaults to the default URI Resolver in FO
    return null;
}