Examples of org.locationtech.udig.project.render.IRenderMetricsFactory

Package org.locationtech.udig.project.render

Examples of org.locationtech.udig.project.render.IRenderMetricsFactory

org.locationtech.udig.project.render.IRenderMetricsFactory
The RenderMetricsFactory is used by the RenderManager (more specifically the RenderCreationDecisive) to obtain metrics on renderer extensions. The RenderMetrics objects are used to decide which renderers to instantiate to render a layer. As the state of udig changes different renderers may be more suited so the RenderMetrics object are also used to judge whether a new renderer should be used for rendering a layer. @author Jesse Eichar @version $Revision: 1.9 $

     *      org.eclipse.core.runtime.IConfigurationElement)
     */
    public void process( IExtension extension, IConfigurationElement element ) {


        try {
            IRenderMetricsFactory createExecutableExtension = (IRenderMetricsFactory) element.createExecutableExtension("class"); //$NON-NLS-1$
            
            InternalRenderMetricsFactory metricsFactory = new InternalRenderMetricsFactory(createExecutableExtension, element);             
            rFactories.add(new IdRenderMetricsFactory(metricsFactory, element.getNamespaceIdentifier() + "." + element.getAttribute("id"))); //$NON-NLS-1$ //$NON-NLS-2$);
            
        } catch (CoreException e) {

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     *      org.eclipse.core.runtime.IConfigurationElement)
     */
    public void process( IExtension extension, IConfigurationElement element ) {


        try {
            IRenderMetricsFactory createExecutableExtension = (IRenderMetricsFactory) element.createExecutableExtension("class"); //$NON-NLS-1$
            InternalRenderMetricsFactory metricsFactory = new InternalRenderMetricsFactory(
                    createExecutableExtension, element); 


            
            List<IGeoResource> data = layer.getGeoResources();

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        return Collections.emptyList();
      }
        }
        for( InternalRenderMetrics internalRenderMetrics : availableRenderers ) {
            IRenderContext renderContext = internalRenderMetrics.getRenderContext();
            IRenderMetricsFactory renderMetricsFactory = internalRenderMetrics.getRenderMetricsFactory();
            AbstractRenderMetrics createMetrics = renderMetricsFactory.createMetrics(renderContext);
            metrics.add(createMetrics);
        }
        return metrics;
    }

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     */
    private List<AbstractRenderMetrics> createRenderMetrics(Collection<IRenderMetricsFactory> factories, Layer layer, ReferencedEnvelope bounds){
        ArrayList<AbstractRenderMetrics> metrics = new ArrayList<AbstractRenderMetrics>();
        
        for( Iterator<IRenderMetricsFactory> iterator = factories.iterator(); iterator.hasNext(); ) {
            IRenderMetricsFactory renderMetricsFactory = (IRenderMetricsFactory) iterator.next();
            
            List<IGeoResource> data = layer.getGeoResources();
            for( IGeoResource resource : data ) {
                RenderContext context;
                try{
                    if (IMultiLayerRenderer.class.isAssignableFrom(renderMetricsFactory.getRendererType())){
                        context = new CompositeRenderContextImpl();
                    }else{
                        context = new RenderContextImpl(layer instanceof SelectionLayer);
                    }
                }catch (Throwable e){
                    context = new RenderContextImpl(layer instanceof SelectionLayer);
                }
                
                context.setMapInternal(manager.getMapInternal());
                context.setRenderManagerInternal(manager);
                context.setLayerInternal(layer);
                context.setGeoResourceInternal(resource);
                context.setImageSize(new Dimension(tilesize, tilesize));
                context.setImageBounds(bounds);
                
                try {
                    if (renderMetricsFactory.canRender(context)){
                        AbstractRenderMetrics metric = ((InternalRenderMetricsFactory.InternalRenderMetrics) renderMetricsFactory.createMetrics(context)).delegate;
                        // we need to assign an id here for the metrics sorting
                        metric.setId(  ((RenderMetricsFactoryExtensionPointProcessor.IdRenderMetricsFactory)renderMetricsFactory).getId() );
                        metrics.add(metric);
                        
                    }

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Related Classes of org.locationtech.udig.project.render.IRenderMetricsFactory

org.locationtech.udig.project.internal.render.impl.RendererCreatorImpl

org.locationtech.udig.project.internal.render.impl.RendererExtensionProcessor

org.locationtech.udig.project.internal.render.impl.RenderMetricsFactoryExtensionPointProcessor

org.locationtech.udig.project.internal.render.impl.TiledRendererCreatorImpl

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