Examples with ImageResponse org.polymap.core.data.image.ImageResponse used on opensource projects

Example 1 with ImageResponse

use of org.polymap.core.data.image.ImageResponse in project polymap4-core by Polymap4.

the class FeatureRenderProcessor2 method getMapRequest.

@Override
public void getMapRequest(GetMapRequest request, ProcessorContext context) throws Exception {
    long start = System.currentTimeMillis();
    // result
    BufferedImage result = new BufferedImage(request.getWidth(), request.getHeight(), TYPE_4BYTE_ABGR);
    result.setAccelerationPriority(1);
    final Graphics2D g = result.createGraphics();
    // log.info( "IMAGE: accelerated=" + result.getCapabilities( g.getDeviceConfiguration() ).isAccelerated() );
    MapContent mapContent = new MapContent();
    try {
        // MapContent
        mapContent.getViewport().setCoordinateReferenceSystem(request.getBoundingBox().getCoordinateReferenceSystem());
        mapContent.addLayer(new FeatureLayer(fs.get(), style.get()));
        StreamingRenderer renderer = new NoThreadStreamingRenderer();
        // error handler
        renderer.addRenderListener(new RenderListener() {

            @Override
            public void featureRenderer(SimpleFeature feature) {
            }

            @Override
            public void errorOccurred(Exception e) {
                if (e.getMessage() == null || e.getMessage().contains("Error transforming bbox") || e.getMessage().contains("too close to a pole")) {
                    log.warn("Renderer: " + e.getMessage());
                } else {
                    log.error("Renderer error: ", e);
                    drawErrorMsg(g, "Unable to render.", e);
                }
            }
        });
        // rendering hints
        RenderingHints hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        hints.add(new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));
        hints.add(new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
        hints.add(new RenderingHints(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON));
        // hints.add( new RenderingHints(
        // RenderingHints.KEY_TEXT_ANTIALIASING,
        // RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB ) );
        // geoserver compatibility to support *env* in SLD functions
        double scale = RendererUtilities.calculateOGCScale(request.getBoundingBox(), request.getWidth(), Collections.EMPTY_MAP);
        EnvFunction.setLocalValue("wms_scale_denominator", scale);
        renderer.setJava2DHints(hints);
        g.setRenderingHints(hints);
        // render params
        Map rendererParams = new HashMap();
        rendererParams.put("optimizedDataLoadingEnabled", Boolean.TRUE);
        renderer.setRendererHints(rendererParams);
        renderer.setMapContent(mapContent);
        Rectangle paintArea = new Rectangle(request.getWidth(), request.getHeight());
        renderer.paint(g, paintArea, request.getBoundingBox());
    } catch (Throwable e) {
        log.error("Renderer error: ", e);
        drawErrorMsg(g, "Unable to render.", e);
    } finally {
        mapContent.dispose();
        EnvFunction.clearLocalValues();
        if (g != null) {
            g.dispose();
        }
    }
    log.debug("   ...done: (" + (System.currentTimeMillis() - start) + "ms).");
    context.sendResponse(new ImageResponse(result));
}

Example 2 with ImageResponse

use of org.polymap.core.data.image.ImageResponse in project polymap4-core by Polymap4.

the class ImageGrayscaleProcessor method eop.

@Consumes({ EndOfProcessing.class })
@Produces({ EndOfProcessing.class })
public void eop(ProcessorResponse r, ProcessorContext context) throws Exception {
    ByteArrayOutputStream buf = (ByteArrayOutputStream) context.get("buf");
    if (buf != null) {
        Image image = Toolkit.getDefaultToolkit().createImage(buf.toByteArray());
        Image gray = grayscale(image);
        ImageEncodeProcessor encodeProcessor = new ImageEncodeProcessor();
        encodeProcessor.encodeImageResponse(new ImageResponse(gray), context);
    } else {
        context.sendResponse(r);
    }
}

Example 3 with ImageResponse

use of org.polymap.core.data.image.ImageResponse in project polymap4-core by Polymap4.

the class PipelineMapOutputFormat method produceMap.

@Override
public final RenderedImageMap produceMap(WMSMapContent mapContent) throws ServiceException {
    // single layer? -> request ENCODED_IMAGE
    if (mapContent.layers().size() == 1) {
        try {
            Layer mapLayer = mapContent.layers().get(0);
            ILayer layer = findLayer(mapLayer);
            Pipeline pipeline = server.getOrCreatePipeline(layer, ImageProducer.class).get();
            ProcessorRequest request = prepareProcessorRequest(mapContent);
            AtomicReference<BufferedImage> result = new AtomicReference<BufferedImage>();
            server.createPipelineExecutor().execute(pipeline, request, (ImageResponse pipeResponse) -> {
                BufferedImage layerImage = (BufferedImage) pipeResponse.getImage();
                result.set(layerImage);
            });
            return buildMap(mapContent, result.get());
        } catch (Exception e) {
            throw new ServiceException(e);
        }
    } else // multiple layers -> render into one image
    {
        List<Job> jobs = new ArrayList();
        final Map<Layer, Image> images = new HashMap();
        // run jobs for all layers
        for (final Layer mapLayer : mapContent.layers()) {
            UIJob job = new UIJob("PipelineMapOutputFormat: " + mapLayer.getTitle()) {

                @Override
                protected void runWithException(IProgressMonitor monitor) throws Exception {
                    try {
                        final ILayer layer = findLayer(mapLayer);
                        Pipeline pipeline = server.getOrCreatePipeline(layer, ImageProducer.class).get();
                        GetMapRequest request = prepareProcessorRequest(mapContent);
                        server.createPipelineExecutor().execute(pipeline, request, (ImageResponse pipeResponse) -> {
                            BufferedImage layerImage = (BufferedImage) pipeResponse.getImage();
                            images.put(mapLayer, layerImage);
                        });
                    } catch (Exception e) {
                        // XXX put a error image in the map
                        log.warn("", e);
                        images.put(mapLayer, null);
                        throw e;
                    }
                }
            };
            job.schedule();
            jobs.add(job);
        }
        // join jobs
        for (Job job : jobs) {
            try {
                job.join();
            } catch (InterruptedException e) {
                log.warn("", e);
            }
        }
        // put images together (MapContext order)
        Graphics2D g = null;
        try {
            // result image
            BufferedImage result = ImageUtils.createImage(mapContent.getMapWidth(), mapContent.getMapHeight(), null, true);
            g = result.createGraphics();
            // rendering hints
            RenderingHints hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
            hints.add(new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));
            hints.add(new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
            g.setRenderingHints(hints);
            for (Layer mapLayer : mapContent.layers()) {
                Image layerImage = images.get(mapLayer);
                // load image data
                // new javax.swing.ImageIcon( image ).getImage();
                // ILayer layer = findLayer( mapLayer );
                int rule = AlphaComposite.SRC_OVER;
                // TODO opacity
                // ((float)layer.getOpacity()) / 100;
                float alpha = 1;
                g.setComposite(AlphaComposite.getInstance(rule, alpha));
                g.drawImage(layerImage, 0, 0, null);
            }
            return buildMap(mapContent, result);
        } finally {
            if (g != null) {
                g.dispose();
            }
        }
    }
}

Example 4 with ImageResponse

use of org.polymap.core.data.image.ImageResponse in project polymap4-core by Polymap4.

the class RasterRenderProcessor method getMapRequest.

@Override
public void getMapRequest(GetMapRequest request, ProcessorContext context) throws Exception {
    // result
    BufferedImage result = new BufferedImage(request.getWidth(), request.getHeight(), TYPE_4BYTE_ABGR);
    final Graphics2D g = result.createGraphics();
    MapContent mapContent = new MapContent();
    try {
        mapContent.getViewport().setCoordinateReferenceSystem(request.getBoundingBox().getCoordinateReferenceSystem());
        mapContent.addLayer(new GridReaderLayer(reader, style.get()));
        // renderer
        StreamingRenderer renderer = new StreamingRenderer();
        // error handler
        renderer.addRenderListener(new RenderListener() {

            public void featureRenderer(SimpleFeature feature) {
            }

            public void errorOccurred(Exception e) {
                log.error("Renderer error: ", e);
                drawErrorMsg(g, "Fehler bei der Darstellung.", e);
            }
        });
        // rendering hints
        RenderingHints hints = new RenderingHints(KEY_RENDERING, VALUE_RENDER_QUALITY);
        hints.add(new RenderingHints(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON));
        hints.add(new RenderingHints(KEY_TEXT_ANTIALIASING, VALUE_TEXT_ANTIALIAS_ON));
        renderer.setJava2DHints(hints);
        // render params
        Map rendererParams = new HashMap();
        rendererParams.put("optimizedDataLoadingEnabled", Boolean.TRUE);
        renderer.setRendererHints(rendererParams);
        renderer.setMapContent(mapContent);
        Rectangle paintArea = new Rectangle(request.getWidth(), request.getHeight());
        renderer.paint(g, paintArea, request.getBoundingBox());
    } catch (Throwable e) {
        log.error("Renderer error: ", e);
        drawErrorMsg(g, null, e);
    } finally {
        mapContent.dispose();
        EnvFunction.clearLocalValues();
        if (g != null) {
            g.dispose();
        }
    }
    context.sendResponse(new ImageResponse(result));
}