Package org.apache.xmlgraphics.image.loader

Examples of org.apache.xmlgraphics.image.loader.ImageManager

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    public void testSVGWithReferences() throws Exception {
        String uri = "test/resources/fop/svg/images.svg";
        FopFactory ff = FopFactory.newInstance();
        FOUserAgent userAgent = ff.newFOUserAgent();

        ImageManager manager = ff.getImageManager();
        ImageInfo info = manager.preloadImage(uri, userAgent.getImageSessionContext());
        assertNotNull("ImageInfo must not be null", info);

        Image img = manager.getImage(info, XMLNamespaceEnabledImageFlavor.SVG_DOM,
                userAgent.getImageSessionContext());
        assertNotNull("Image must not be null", img);
        assertEquals(XMLNamespaceEnabledImageFlavor.SVG_DOM, img.getFlavor());
        ImageXMLDOM imgDom = (ImageXMLDOM)img;
        assertNotNull(imgDom.getDocument());
        assertEquals("http://www.w3.org/2000/svg", imgDom.getRootNamespace());
        info = imgDom.getInfo(); //Switch to the ImageInfo returned by the image
        assertEquals(400000, info.getSize().getWidthMpt());
        assertEquals(400000, info.getSize().getHeightMpt());
        assertEquals(400, info.getSize().getWidthPx());
        assertEquals(400, info.getSize().getHeightPx());

        img = manager.getImage(info, ImageFlavor.RENDERED_IMAGE,
                    userAgent.getImageSessionContext());
        assertNotNull("Image must not be null", img);
        assertEquals(ImageFlavor.RENDERED_IMAGE, img.getFlavor());
        ImageRendered imgRed = (ImageRendered)img;
        RenderedImage renImg = imgRed.getRenderedImage();
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                && !("".equals(newInstance.backgroundImage))) {
            //Additional processing: preload image
            String uri = URISpecification.getURL(newInstance.backgroundImage);
            FObj fobj = pList.getFObj();
            FOUserAgent userAgent = pList.getFObj().getUserAgent();
            ImageManager manager = userAgent.getFactory().getImageManager();
            ImageSessionContext sessionContext = userAgent.getImageSessionContext();
            ImageInfo info;
            try {
                info = manager.getImageInfo(uri, sessionContext);
                newInstance.backgroundImageInfo = info;
            } catch (ImageException e) {
                ResourceEventProducer eventProducer = ResourceEventProducer.Provider.get(
                        fobj.getUserAgent().getEventBroadcaster());
                eventProducer.imageError(fobj, uri, e, fobj.getLocator());
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    /** {@inheritDoc} */
    public void activateLayout() {
        initialize();

        FOUserAgent userAgent = pageSeq.getUserAgent();
        ImageManager imageManager = userAgent.getFactory().getImageManager();

        String uri = getExternalDocument().getSrc();
        Integer firstPageIndex = ImageUtil.getPageIndexFromURI(uri);
        boolean hasPageIndex = (firstPageIndex != null);

        try {
            ImageInfo info = imageManager.getImageInfo(uri, userAgent.getImageSessionContext());

            Object moreImages = info.getCustomObjects().get(ImageInfo.HAS_MORE_IMAGES);
            boolean hasMoreImages = moreImages != null && !Boolean.FALSE.equals(moreImages);

            Dimension intrinsicSize = info.getSize().getDimensionMpt();
            ImageLayout layout = new ImageLayout(getExternalDocument(), this, intrinsicSize);

            PageSequence pageSequence = new PageSequence(null);
            transferExtensions(pageSequence);
            areaTreeHandler.getAreaTreeModel().startPageSequence(pageSequence);
            if (log.isDebugEnabled()) {
                log.debug("Starting layout");
            }

            makePageForImage(info, layout);

            if (!hasPageIndex && hasMoreImages) {
                if (log.isTraceEnabled()) {
                    log.trace("Starting multi-page processing...");
                }
                URI originalURI;
                try {
                    originalURI = new URI(URISpecification.escapeURI(uri));
                    int pageIndex = 1;
                    while (hasMoreImages) {
                        URI tempURI = new URI(originalURI.getScheme(),
                                originalURI.getSchemeSpecificPart(),
                                "page=" + Integer.toString(pageIndex + 1));
                        if (log.isTraceEnabled()) {
                            log.trace("Subimage: " + tempURI.toASCIIString());
                        }
                        ImageInfo subinfo = imageManager.getImageInfo(
                                tempURI.toASCIIString(), userAgent.getImageSessionContext());

                        moreImages = subinfo.getCustomObjects().get(ImageInfo.HAS_MORE_IMAGES);
                        hasMoreImages = moreImages != null && !Boolean.FALSE.equals(moreImages);

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                        String uri = attributes.getValue("bkg-img");
                        if (uri != null) {
                            bkg.setURL(uri);

                            try {
                                ImageManager manager = userAgent.getFactory().getImageManager();
                                ImageSessionContext sessionContext
                                    = userAgent.getImageSessionContext();
                                ImageInfo info = manager.getImageInfo(uri, sessionContext);
                                bkg.setImageInfo(info);
                            } catch (ImageException e) {
                                ResourceEventProducer eventProducer
                                    = ResourceEventProducer.Provider.get(
                                        this.userAgent.getEventBroadcaster());
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        src = pList.get(PR_SRC).getString();

        //Additional processing: obtain the image's intrinsic size and baseline information
        url = URISpecification.getURL(src);
        FOUserAgent userAgent = getUserAgent();
        ImageManager manager = userAgent.getFactory().getImageManager();
        ImageInfo info = null;
        try {
            info = manager.getImageInfo(url, userAgent.getImageSessionContext());
        } catch (ImageException e) {
            ResourceEventProducer eventProducer = ResourceEventProducer.Provider.get(
                    getUserAgent().getEventBroadcaster());
            eventProducer.imageError(this, url, e, getLocator());
        } catch (FileNotFoundException fnfe) {
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        final ImageContext imageContext = new ImageContext() {
            public float getSourceResolution() {
                return 25.4f / userAgent.getPixelUnitToMillimeter();
            }
        };
        this.imageManager = new ImageManager(imageContext);
        this.imageSessionContext = new AbstractImageSessionContext() {

            public ImageContext getParentContext() {
                return imageContext;
            }
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        return graphicsObjectInfo;
    }

    public static BridgeContext createBridgeContext(FOUserAgent userAgent, AFPGraphics2D g2d) {
        ImageManager imageManager = userAgent.getFactory().getImageManager();

        SVGUserAgent svgUserAgent
            = new SVGUserAgent(userAgent, new AffineTransform());

        ImageSessionContext imageSessionContext = userAgent.getImageSessionContext();
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        int x = currentIPPosition + (int)Math.round(pos.getX());
        int y = currentBPPosition + (int)Math.round(pos.getY());
        uri = URISpecification.getURL(uri);

        ImageManager manager = getUserAgent().getFactory().getImageManager();
        ImageInfo info = null;
        try {
            ImageSessionContext sessionContext = getUserAgent().getImageSessionContext();
            info = manager.getImageInfo(uri, sessionContext);
            Map hints = ImageUtil.getDefaultHints(sessionContext);
            org.apache.xmlgraphics.image.loader.Image img = manager.getImage(
                    info, FLAVOURS, hints, sessionContext);
            if (img instanceof ImageGraphics2D) {
                ImageGraphics2D imageG2D = (ImageGraphics2D)img;
                int width = (int)pos.getWidth();
                int height = (int)pos.getHeight();
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        }

        if (!painted) {
            //Fallback solution: Paint to a BufferedImage
            FOUserAgent ua = context.getUserAgent();
            ImageManager imageManager = ua.getFactory().getImageManager();
            ImageRendered imgRend;
            try {
                imgRend = (ImageRendered)imageManager.convertImage(
                        imageG2D, new ImageFlavor[] {ImageFlavor.RENDERED_IMAGE}/*, hints*/);
            } catch (ImageException e) {
                throw new IOException(
                        "Image conversion error while converting the image to a bitmap"
                          + " as a fallback measure: " + e.getMessage());
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            .getProperty(RendererContextConstants.HEIGHT)).intValue();

        Java2DGraphicsState state = (Java2DGraphicsState) context
            .getProperty(Java2DRendererContextConstants.JAVA2D_STATE);

        ImageManager manager = ua.getFactory().getImageManager();
        ImageInfo info = null;
        try {
            ImageSessionContext sessionContext = ua.getImageSessionContext();
            info = manager.getImageInfo(uri, sessionContext);
            final ImageFlavor[] flavors = new ImageFlavor[] {
                    ImageFlavor.GRAPHICS2D, ImageFlavor.BUFFERED_IMAGE,
                    ImageFlavor.RENDERED_IMAGE, ImageFlavor.XML_DOM };
            Map hints = ImageUtil.getDefaultHints(sessionContext);
            org.apache.xmlgraphics.image.loader.Image img = manager.getImage(
                info, flavors, hints, sessionContext);
            if (img instanceof ImageGraphics2D) {
                ImageGraphics2D imageG2D = (ImageGraphics2D) img;
                renderer.getGraphics2DAdapter().paintImage(
                    imageG2D.getGraphics2DImagePainter(), context, x, y, width,
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  • image.loader.ImageViewer
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  • org.apache.fop.area.AreaTreeParser$Handler
  • org.apache.fop.fo.flow.ExternalGraphic
  • org.apache.fop.fo.FONodeMocks
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  • org.apache.fop.image.loader.batik.ImagePreloaderTestCase
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