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

Package org.apache.xmlgraphics.image.loader

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

org.apache.xmlgraphics.image.loader.ImageSessionContext
This interface is used to tell the cache which images are used by a session (in FOP that would be a rendering run). Images access within a session get a hard reference so they cannot be discarded. That could increase memory usage but helps with performance because the images don't get unloaded between layout and rendering which would mean that they have to be reloaded.

        int y = origin.y + posInt.y;
        
        ImageManager manager = getUserAgent().getFactory().getImageManager();
        ImageInfo info = null;
        try {
            ImageSessionContext sessionContext = getUserAgent().getImageSessionContext();
            info = manager.getImageInfo(uri, sessionContext);
            
            //Only now fully load/prepare the image
            Map hints = ImageUtil.getDefaultHints(sessionContext);
            org.apache.xmlgraphics.image.loader.Image img = manager.getImage(

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        this.imageManager = new ImageManager(new DefaultImageContext());
    }
    
    public void display(File f) throws IOException {
        //The ImageSessionContext might for each processing run
        ImageSessionContext sessionContext = new DefaultImageSessionContext(
                this.imageManager.getImageContext(), null);
        
        //Construct URI from filename
        String uri = f.toURI().toASCIIString();

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     * Tests the ImageInfo cache.
     * @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";

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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);

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     * Tests the image cache reusing a cacheable Image created by one of the ImageConverters in
     * 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);

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        }
        
        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

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                        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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            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;

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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!

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        uri = URISpecification.getURL(uri);
        
        ImageManager manager = getUserAgent().getFactory().getImageManager();
        ImageInfo info = null;
        try {
            ImageSessionContext sessionContext = getUserAgent().getImageSessionContext();
            info = manager.getImageInfo(uri, sessionContext);
            final ImageFlavor[] flavors = new ImageFlavor[]
                {ImageFlavor.GRAPHICS2D,
                    ImageFlavor.BUFFERED_IMAGE, 
                    ImageFlavor.RENDERED_IMAGE,

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