Package org.apache.xmlgraphics.image.loader

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

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     * @throws Exception if an error occurs
     */
    public void testImageInfoCache() throws Exception {

        ImageSessionContext sessionContext = imageContext.newSessionContext();
        ImageManager manager = imageContext.getImageManager();
       
        String invalid1 = "invalid1.jpg";
        String invalid2 = "invalid2.jpg";
        String valid1 = "bgimg300dpi.bmp";
        String valid2 = "big-image.png";
       
        ImageCacheStatistics statistics = new ImageCacheLoggingStatistics(true);
        manager.getCache().setCacheListener(statistics);
       
        ImageInfo info1, info2;
        info1 = manager.getImageInfo(valid1, sessionContext);
        assertNotNull(info1);
        assertEquals(valid1, info1.getOriginalURI());
       
        try {
            manager.getImageInfo(invalid1, sessionContext);
            fail("Expected FileNotFoundException for invalid URI");
        } catch (FileNotFoundException e) {
            //expected
        }
       
        //2 requests:
        assertEquals(0, statistics.getImageInfoCacheHits());
        assertEquals(2, statistics.getImageInfoCacheMisses());
        assertEquals(0, statistics.getInvalidHits());
        statistics.reset();
       
        //Cache Hit
        info1 = manager.getImageInfo(valid1, sessionContext);
        assertNotNull(info1);
        assertEquals(valid1, info1.getOriginalURI());

        //Cache Miss
        info2 = manager.getImageInfo(valid2, sessionContext);
        assertNotNull(info2);
        assertEquals(valid2, info2.getOriginalURI());
       
        try {
            //Invalid Hit
            manager.getImageInfo(invalid1, sessionContext);
            fail("Expected FileNotFoundException for invalid URI");
        } catch (FileNotFoundException e) {
            //expected
        }
        try {
            //Invalid (Cache Miss)
            manager.getImageInfo(invalid2, sessionContext);
            fail("Expected FileNotFoundException for invalid URI");
        } catch (FileNotFoundException e) {
            //expected
        }
       
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     * Tests the image cache reusing a cacheable Image created by the ImageLoader.
     * @throws Exception if an error occurs
     */
    public void testImageCache1() throws Exception {
        ImageSessionContext sessionContext = imageContext.newSessionContext();
        ImageManager manager = imageContext.getImageManager();
       
        String valid1 = "bgimg72dpi.gif";
       
        ImageCacheStatistics statistics = new ImageCacheLoggingStatistics(true);
        manager.getCache().setCacheListener(statistics);
       
        ImageInfo info = manager.getImageInfo(valid1, sessionContext);
        assertNotNull(info);
       
        ImageBuffered img1 = (ImageBuffered)manager.getImage(
                info, ImageFlavor.BUFFERED_IMAGE, sessionContext);
        assertNotNull(img1);
        assertNotNull(img1.getBufferedImage());
       
        ImageBuffered img2 = (ImageBuffered)manager.getImage(
                info, ImageFlavor.BUFFERED_IMAGE, sessionContext);
        //ImageBuffered does not have to be the same instance but we want at least the
        //BufferedImage to be reused.
        assertTrue("BufferedImage must be reused",
                img1.getBufferedImage() == img2.getBufferedImage());
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     * a converter pipeline.
     * @throws Exception if an error occurs
     */
    public void DISABLEDtestImageCache2() throws Exception {
        ImageSessionContext sessionContext = imageContext.newSessionContext();
        ImageManager manager = imageContext.getImageManager();
       
        String valid1 = "test/resources/images/img-w-size.svg";
       
        ImageCacheStatistics statistics = new ImageCacheLoggingStatistics(true);
        manager.getCache().setCacheListener(statistics);
       
        ImageInfo info = manager.getImageInfo(valid1, sessionContext);
        assertNotNull(info);
       
        ImageBuffered img1 = (ImageBuffered)manager.getImage(
                info, ImageFlavor.BUFFERED_IMAGE, sessionContext);
        assertNotNull(img1);
        assertNotNull(img1.getBufferedImage());
       
        ImageBuffered img2 = (ImageBuffered)manager.getImage(
                info, ImageFlavor.BUFFERED_IMAGE, sessionContext);
        //ImageBuffered does not have to be the same instance but we want at least the
        //BufferedImage to be reused.
        assertTrue("BufferedImage must be reused",
                img1.getBufferedImage() == img2.getBufferedImage());
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            throw new IllegalStateException("Must not get here if form support is enabled");
        }

        //Investigate choice for inline mode
        ImageFlavor[] inlineFlavors = getInlineFlavors();
        ImageManager manager = getUserAgent().getFactory().getImageManager();
        ImageProviderPipeline[] inlineCandidates
            = manager.getPipelineFactory().determineCandidatePipelines(
                    info, inlineFlavors);
        ImageProviderPipeline inlineChoice = manager.choosePipeline(inlineCandidates);
        ImageFlavor inlineFlavor = (inlineChoice != null ? inlineChoice.getTargetFlavor() : null);
       
        //Investigate choice for form mode
        ImageFlavor[] formFlavors = getFormFlavors();
        ImageProviderPipeline[] formCandidates
            = manager.getPipelineFactory().determineCandidatePipelines(
                    info, formFlavors);
        ImageProviderPipeline formChoice = manager.choosePipeline(formCandidates);
        ImageFlavor formFlavor = (formChoice != null ? formChoice.getTargetFlavor() : null);
       
        //Inline if form is not supported or if a better choice is available with inline mode
        return formFlavor == null || !formFlavor.equals(inlineFlavor);
    }
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        uri = URISpecification.getURL(uri);
        if (log.isDebugEnabled()) {
            log.debug("Handling image: " + uri);
        }
       
        ImageManager manager = getUserAgent().getFactory().getImageManager();
        ImageInfo info = null;
        try {
            ImageSessionContext sessionContext = getUserAgent().getImageSessionContext();
            info = manager.getImageInfo(uri, sessionContext);
            int width = (int)pos.getWidth();
            int height = (int)pos.getHeight();
           
            //millipoints --> points for PostScript
            float ptx = x / 1000f;
            float pty = y / 1000f;
            float ptw = width / 1000f;
            float pth = height / 1000f;

            if (isImageInlined(info)) {
                if (log.isDebugEnabled()) {
                    log.debug("Image " + info + " is inlined");
                }
                //Only now fully load/prepare the image
                Map hints = ImageUtil.getDefaultHints(sessionContext);
                org.apache.xmlgraphics.image.loader.Image img = manager.getImage(
                        info, getInlineFlavors(), hints, sessionContext);
               
                //...and embed as inline image
                if (img instanceof ImageGraphics2D) {
                    ImageGraphics2D imageG2D = (ImageGraphics2D)img;
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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);

            areaTreeHandler.getAreaTreeModel().startPageSequence(new PageSequence(null));
            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 (Exception e) {
                                log.error("Background image not available: " + uri, e);
                            }
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    protected FopFactory() {
        this.config = new FopFactoryConfigurator(this);
        this.elementMappingRegistry = new ElementMappingRegistry(this);
        this.foURIResolver = new FOURIResolver(validateUserConfigStrictly());
        this.colorSpaceCache = new ColorSpaceCache(foURIResolver);
        this.imageManager = new ImageManager(this);
        this.rendererFactory = new RendererFactory();
        this.xmlHandlers = new XMLHandlerRegistry();
        this.ignoredNamespaces = new java.util.HashSet();
        setUseCache(FopFactoryConfigurator.DEFAULT_USE_CACHE);
    }
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        Iterator iter = formResources.values().iterator();
        while (iter.hasNext()) {
            PSImageFormResource form = (PSImageFormResource)iter.next();
            final String uri = form.getImageURI();
           
            ImageManager manager = userAgent.getFactory().getImageManager();
            ImageInfo info = null;
            try {
                ImageSessionContext sessionContext = userAgent.getImageSessionContext();
                info = manager.getImageInfo(uri, sessionContext);
               
                ImageFlavor[] flavors;
                if (gen.getPSLevel() >= 3) {
                    flavors = LEVEL_3_FLAVORS_FORM;
                } else {
                    flavors = LEVEL_2_FLAVORS_FORM;
                }
                Map hints = ImageUtil.getDefaultHints(sessionContext);
                org.apache.xmlgraphics.image.loader.Image img = manager.getImage(
                        info, flavors, hints, sessionContext);
               
                String imageDescription = info.getMimeType() + " " + info.getOriginalURI();
                final Dimension2D dimensionsPt = info.getSize().getDimensionPt();
                final Dimension2D dimensionsMpt = info.getSize().getDimensionMpt();
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     */
    protected GraphicsNode createImageGraphicsNode
                (BridgeContext ctx, Element imageElement, ParsedURL purl) {
        PDFBridgeContext pdfCtx = (PDFBridgeContext)ctx;
       
        ImageManager manager = pdfCtx.getImageManager();
        ImageSessionContext sessionContext = pdfCtx.getImageSessionContext();
        try {
            ImageInfo info = manager.getImageInfo(purl.toString(), sessionContext);
            Image image = manager.getImage(info, supportedFlavors, sessionContext);
           
            //TODO color profile overrides aren't handled, yet!
            //ICCColorSpaceExt colorspaceOverride = extractColorSpace(e, ctx);
            AbstractGraphicsNode specializedNode = null;
            if (image instanceof ImageXMLDOM) {
                ImageXMLDOM xmlImage = (ImageXMLDOM)image;
                if (xmlImage.getDocument() instanceof SVGDocument) {
                    return createSVGImageNode(ctx, imageElement,
                            (SVGDocument)xmlImage.getDocument());
                } else {
                    //Convert image to Graphics2D
                    image = manager.convertImage(xmlImage,
                            new ImageFlavor[] {ImageFlavor.GRAPHICS2D});
                }
            }
            if (image instanceof ImageRawJPEG) {
                specializedNode = new LoaderImageNode(image, ctx, imageElement, purl);
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