Examples of org.locationtech.udig.project.internal.render.CompositeRenderContext

Package org.locationtech.udig.project.internal.render

Examples of org.locationtech.udig.project.internal.render.CompositeRenderContext

org.locationtech.udig.project.internal.render.CompositeRenderContext
A toolkit that is provided to composite renderers.
In addition to the references available in the Toolkit class, RenderToolkit has the layers and services the renderer is responsible for and the buffered image that the renderer draws to.

Responsibilities:
- Provide access to the objects that an extension can use for its operations.
- Provide convenience methods for extension developers to use.
- Provide a consistent interface for extensions which will not easily change in future versions
@author Jesse @since 0.5

        
        if( object==null || !((Boolean)object).booleanValue() )
            return true;
        
        if( executor.getContext() instanceof CompositeRenderContext ){
            CompositeRenderContext context=(CompositeRenderContext) executor.getContext();
            if (context.getLayers().contains(getContext().getSelectedLayer()) )
                return true;
            
            return false;
        }

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        if( object==null || !((Boolean)object).booleanValue() )
      return true;
    
    if( executor.getContext() instanceof CompositeRenderContext ){
      CompositeRenderContext context=(CompositeRenderContext) executor.getContext();
      if (context.getLayers().contains(getContext().getSelectedLayer()) )
        return true;
      
      return false;
    }

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    public void setContext( IRenderContext newContext ) {
        if (context != null) {
            ((CompositeRenderContext) context).removeListener(contextListener);
        }
        if (newContext != null) {
            CompositeRenderContext compositeRenderContext = (CompositeRenderContext) newContext;
            compositeRenderContext.addListener(contextListener);
            for( IRenderContext context : compositeRenderContext.getContexts() ) {
                if (findExecutor(context) == null) {
                    Renderer renderer = getRendererCreator(context).getRenderer((RenderContext) context);
                    getRenderExecutors().add(createRenderExecutor(renderer));
                }
            }

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          executor.getRenderer().setState(IRenderer.RENDER_REQUEST);
        }
      }


      public void visit(RenderExecutorMultiLayer executor) {
        CompositeRenderContext contexts = executor.getContext();
        for (IRenderContext context : contexts.getContexts()) {
          if (context.getLayer() == selectionLayer) {
            executor.getRenderer().setState(
                IRenderer.RENDER_REQUEST);
            return;
          }

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        if (configuration.contains(context))
          continue;


        addList.add(context);
      }
      CompositeRenderContext compositecontext = (CompositeRenderContext) getRenderExecutor()
          .getContext();
      compositecontext.removeContexts(removeList);
      if (!addList.isEmpty())
        compositecontext.removeContexts(addList);
      compositecontext.addContexts(addList);


    } else {
      initRenderExecutor();
      configuration2 = getRendererCreator().getConfiguration();


      CompositeRenderContext compositecontext = (CompositeRenderContext) getRenderExecutor()
          .getContext();
      // need this because this is taking place in a non-synchronized
      // block so it is possible for
      // this code to be executed twice. I want the second run to be
      // accurate.
      // might need to be thought about more.
      compositecontext.clear();
      compositecontext.addContexts(configuration2);
    }
    synchronized (this) {
      this.configuration = configuration2;
    }
    logRendererTypes();

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     */
  private void initRenderExecutor() {
    checkState();
    MultiLayerRenderer renderExecutor = RenderFactory.eINSTANCE
        .createCompositeRenderer();
    CompositeRenderContext context = new CompositeRenderContextImpl() {
      @Override
      public synchronized BufferedImage getImage(int width, int height) {
        if (image == null || image.getWidth() < width
            || image.getHeight() < height) {
          image = new BufferedImage(width, height,
              BufferedImage.TYPE_3BYTE_BGR);
          Graphics2D g = image.createGraphics();
          g.setBackground(Color.WHITE);
          g.clearRect(0, 0, width, height);
          g.dispose();
        }


        return image;
      }


      @Override
      public synchronized void clearImage(Rectangle paintArea) {
        if (image == null)
          return;
        Graphics2D g = image.createGraphics();
        g.setBackground(Color.WHITE);
        g.clearRect(paintArea.x, paintArea.y, paintArea.width,
            paintArea.height);
        g.dispose();
        // // FIXME Arbonaut Oy , Vitali Diatchkov
        // System.out.println(
        // "synchronized CompositeRenderContext.clearImage()");
      }


    };
    context.setMapInternal(getMapInternal());
    context.setRenderManagerInternal(this);
    
    renderExecutor.setContext(context);


    initRenderCreator(context);

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                            ((layer instanceof SelectionLayer) && params.selectionStyle.getShowLabels()) ){
                        labelPainter.startLayer(layerId);
                    }
                    try {
                        if (context instanceof CompositeRenderContext) {
                            CompositeRenderContext compositeContext = (CompositeRenderContext) context;
                            List<ILayer> layers = compositeContext.getLayers();
                            boolean visible = false;
                            for (ILayer tmpLayer : layers) {
                                visible = visible || tmpLayer.isVisible();
                            }
                            if (!visible)

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        assertEquals(2, creator.getLayers().size());
        assertEquals(1, creator.getConfiguration().size());
        context=creator.getConfiguration().iterator().next();
        renderer = creator.getRenderer(context);
        assertSame( context, renderer.getContext() );
        CompositeRenderContext compositeRenderContext = ((CompositeRenderContext)creator.getConfiguration().iterator().next());
        assertEquals(2, compositeRenderContext.getContexts().size());
        
        assertTrue("Expected MultiRenderer but was "+renderer, renderer instanceof MultiLayerRenderer); //$NON-NLS-1$
        
        layer=MapTests.createLayer(new URL( "http://othername"), new RendererCreatorTestObjForMulitRenderer(), layer.getMapInternal()); //$NON-NLS-1$
        creator.changed(listener.lastNotification);


        assertEquals(3, creator.getLayers().size());
        assertEquals(2, creator.getConfiguration().size());
        for( RenderContext context2 : creator.getConfiguration() ) {        
            renderer = creator.getRenderer(context2);
            assertTrue("Expected SingleRenderer but was "+renderer, renderer instanceof MultiLayerRenderer); //$NON-NLS-1$
        }
        
        map.lowerLayer(layer);
        
        int indexOfOtherName=map.getMapLayers().indexOf(layer);
        
        creator.changed(listener.lastNotification);


        assertEquals(3, creator.getLayers().size());
        assertEquals(3, creator.getConfiguration().size());
        for( RenderContext context2 : creator.getConfiguration() ) {        
            renderer = creator.getRenderer(context2);
            assertTrue("Expected SingleRenderer but was "+renderer, renderer instanceof MultiLayerRenderer); //$NON-NLS-1$
        }


        layer=MapTests.createLayer(new URL( "http://dummy"), new RendererCreatorTestObjForMulitRenderer(), null); //$NON-NLS-1$
        map.getLayersInternal().set(indexOfOtherName, layer);
        creator.changed(listener.lastNotification);
        
        assertEquals(3, creator.getLayers().size());
        assertEquals(1, creator.getConfiguration().size());
        renderer = creator.getRenderer(creator.getConfiguration().iterator().next());
        compositeRenderContext = ((CompositeRenderContext)creator.getConfiguration().iterator().next());
        assertEquals(3, compositeRenderContext.getContexts().size());
        
        map.getLayersInternal().remove(0);
        creator.changed(listener.lastNotification);
        assertEquals(2, creator.getLayers().size());
        assertEquals(1, creator.getConfiguration().size());
        renderer = creator.getRenderer(creator.getConfiguration().iterator().next());
        compositeRenderContext = ((CompositeRenderContext)creator.getConfiguration().iterator().next());
        assertEquals(2, compositeRenderContext.getContexts().size());
        
    }

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        assertEquals(layer, context.getLayer());
        
        assertEquals( 3, config.size() );
        
        
        CompositeRenderContext compContext = (CompositeRenderContext) iter.next();
        assertEquals(layer2, compContext.getContexts().get(0).getLayer());
        assertEquals(layer3, compContext.getContexts().get(1).getLayer());
        context = iter.next();
        assertEquals(layer4, context.getLayer());
    }

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        map.getLayersInternal().addAll(Arrays.asList(new Layer[]{layer, layer2, layer3, layer4}));
        UDIGTestUtil.inDisplayThreadWait(2000, new WaitCondition(){


            public boolean isTrue() {
                CompositeRenderContext context = (CompositeRenderContext) map.getRenderManagerInternal().getRenderExecutor().getContext();
                return layer4==context.getContexts().get(0).getLayer();
            }
            
        }, false);
        manager.refresh(null);
        CompositeRenderContext context = (CompositeRenderContext) map.getRenderManagerInternal().getRenderExecutor().getContext();
        
        context = (CompositeRenderContext) context.getContexts().get(0);
        assertEquals(layer, context.getLayer());
        
        Iterator<IRenderContext> children = context.getContexts().iterator();
        
        IRenderContext next = children.next();
        assertEquals(layer, next.getLayer());
        
        next = children.next();
        assertEquals(layer2, next.getLayer());
        
        next = children.next();
        assertEquals(layer3, next.getLayer());
        
        next = children.next();
        assertEquals(layer4, next.getLayer());
        
        map.lowerLayer(layer3);
        
        UDIGTestUtil.inDisplayThreadWait(2000, new WaitCondition(){


            public boolean isTrue() {
                CompositeRenderContext context = (CompositeRenderContext) map.getRenderManagerInternal().getRenderExecutor().getContext();
                context = (CompositeRenderContext) context.getContexts().get(0);
                return layer3==context.getContexts().get(1).getLayer();
            }
            
        }, false);
        manager.refresh(null);
        context = (CompositeRenderContext) map.getRenderManagerInternal().getRenderExecutor().getContext();
        
        context = (CompositeRenderContext) context.getContexts().get(0);
        assertEquals(layer, context.getLayer());
        
        children = context.getContexts().iterator();
        
        next = children.next();
        assertEquals(layer, next.getLayer());
        
        next = children.next();

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