List of usage examples for java.awt RenderingHints RenderingHints
public RenderingHints(Key key, Object value)
From source file:com.alibaba.simpleimage.ScaleTest.java
public PlanarImage doScaleBicubic(PlanarImage op) throws Exception { ParameterBlock pb = new ParameterBlock(); pb.addSource(op);//w w w . ja v a 2s .c o m pb.add(scale); pb.add(scale); pb.add(0.0F); pb.add(0.0F); pb.add(Interpolation.getInstance(Interpolation.INTERP_BICUBIC)); RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); op = JAI.create("scale", pb, qualityHints); return op; }
From source file:com.alibaba.simpleimage.ScaleTest.java
public PlanarImage doScaleBicubic2(PlanarImage op) throws Exception { ParameterBlock pb = new ParameterBlock(); pb.addSource(op);/*from www .j a va 2s. co m*/ pb.add(scale); pb.add(scale); pb.add(0.0F); pb.add(0.0F); pb.add(Interpolation.getInstance(Interpolation.INTERP_BICUBIC_2)); RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); op = JAI.create("scale", pb, qualityHints); return op; }
From source file:org.geoserver.wps.gs.GeorectifyCoverage.java
@DescribeResults({
@DescribeResult(name = "result", description = "Georectified raster", type = GridCoverage2D.class),
@DescribeResult(name = "path", description = "Pathname of the generated raster on the server", type = String.class) })
public Map<String, Object> execute(
@DescribeParameter(name = "data", description = "Input raster") GridCoverage2D coverage,
@DescribeParameter(name = "gcp", description = "List of Ground control points. Points are specified as [x,y] or [x,y,z].") String gcps,
@DescribeParameter(name = "bbox", description = "Bounding box for output", min = 0) Envelope bbox,
@DescribeParameter(name = "targetCRS", description = "Coordinate reference system to use for the output raster") CoordinateReferenceSystem crs,
@DescribeParameter(name = "width", description = "Width of output raster in pixels", min = 0) Integer width,
@DescribeParameter(name = "height", description = "Height of output raster in pixels", min = 0) Integer height,
@DescribeParameter(name = "warpOrder", min = 0, description = "Order of the warping polynomial (1 to 3)") Integer warpOrder,
@DescribeParameter(name = "transparent", min = 0, description = "Force output to have transparent background") Boolean transparent,
@DescribeParameter(name = "store", min = 0, description = "Indicates whether to keep the output file after processing") Boolean store,
@DescribeParameter(name = "outputPath", min = 0, description = "Pathname where the output file is stored") String outputPath)
throws IOException {
GeoTiffReader reader = null;/*from w w w . ja va 2s . c o m*/
List<File> removeFiles = new ArrayList<File>();
String location = null;
try {
File tempFolder = config.getTempFolder();
File loggingFolder = config.getLoggingFolder();
// do we have to add the alpha channel?
boolean forceTransparent = false;
if (transparent == null) {
transparent = true;
}
ColorModel cm = coverage.getRenderedImage().getColorModel();
if (cm.getTransparency() == Transparency.OPAQUE && transparent) {
forceTransparent = true;
}
// //
//
// STEP 1: Getting the dataset to be georectified
//
// //
final Object fileSource = coverage.getProperty(GridCoverage2DReader.FILE_SOURCE_PROPERTY);
if (fileSource != null && fileSource instanceof String) {
location = (String) fileSource;
}
if (location == null) {
RenderedImage image = coverage.getRenderedImage();
if (forceTransparent) {
ImageWorker iw = new ImageWorker(image);
iw.forceComponentColorModel();
final ImageLayout tempLayout = new ImageLayout(image);
tempLayout.unsetValid(ImageLayout.COLOR_MODEL_MASK).unsetValid(ImageLayout.SAMPLE_MODEL_MASK);
RenderedImage alpha = ConstantDescriptor.create(Float.valueOf(image.getWidth()),
Float.valueOf(image.getHeight()), new Byte[] { Byte.valueOf((byte) 255) },
new RenderingHints(JAI.KEY_IMAGE_LAYOUT, tempLayout));
iw.addBand(alpha, false);
image = iw.getRenderedImage();
cm = image.getColorModel();
}
File storedImageFile = storeImage(image, tempFolder);
location = storedImageFile.getAbsolutePath();
removeFiles.add(storedImageFile);
}
// //
//
// STEP 2: Adding Ground Control Points
//
// //
final int gcpNum[] = new int[1];
final String gcp = parseGcps(gcps, gcpNum);
File vrtFile = addGroundControlPoints(location, gcp, config.getGdalTranslateParameters());
if (vrtFile == null || !vrtFile.exists() || !vrtFile.canRead()) {
throw new IOException("Unable to get a valid file with attached Ground Control Points");
}
removeFiles.add(vrtFile);
// //
//
// STEP 3: Warping
//
// //
File warpedFile = warpFile(vrtFile, bbox, crs, width, height, warpOrder, tempFolder, loggingFolder,
config.getExecutionTimeout(), config.getGdalWarpingParameters());
if (warpedFile == null || !warpedFile.exists() || !warpedFile.canRead()) {
throw new IOException("Unable to get a valid georectified file");
}
boolean expand = false;
if (cm instanceof IndexColorModel) {
expand = true;
} else if (cm instanceof ComponentColorModel && cm.getNumComponents() == 1
&& cm.getComponentSize()[0] == 1) {
expand = true;
}
if (expand) {
removeFiles.add(warpedFile);
warpedFile = expandRgba(warpedFile.getAbsolutePath());
}
// if we have the output path move the final file there
if (Boolean.TRUE.equals(store) && outputPath != null) {
File output = new File(outputPath);
if (output.exists()) {
if (!output.delete()) {
throw new WPSException("Output file " + outputPath + " exists but cannot be overwritten");
}
} else {
File parent = output.getParentFile();
if (!parent.exists()) {
if (!parent.mkdirs()) {
throw new WPSException("Output file parent directory " + parent.getAbsolutePath()
+ " does not exist and cannot be created");
}
}
}
if (!warpedFile.renameTo(output)) {
throw new WPSException("Could not move " + warpedFile.getAbsolutePath() + " to " + outputPath
+ ", it's likely a permission issue");
}
warpedFile = output;
}
// mark the output file for deletion at the end of request
if (resourceManager != null && !Boolean.TRUE.equals(store)) {
resourceManager.addResource(new WPSFileResource(warpedFile));
}
// //
//
// FINAL STEP: Returning the warped gridcoverage
//
// //
reader = new GeoTiffReader(warpedFile);
GridCoverage2D cov = addLocationProperty(reader.read(null), warpedFile);
Map<String, Object> result = new HashMap<String, Object>();
result.put("result", cov);
result.put("path", warpedFile.getAbsolutePath());
return result;
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
for (File file : removeFiles) {
deleteFile(file);
}
}
}
From source file:com.alibaba.simpleimage.ScaleTest.java
public PlanarImage doSubsampleAverage(PlanarImage op) throws Exception { double zoom = dScale; ParameterBlock pb = new ParameterBlock(); pb.addSource(op);/*w ww .j a va 2s . c o m*/ pb.add(zoom); pb.add(zoom); RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); RenderedOp zoomOp = JAI.create("SubsampleAverage", pb, qualityHints); return zoomOp; }
From source file:org.polymap.service.geoserver.spring.PipelineMapProducer.java
public void writeTo(final OutputStream out) throws ServiceException, IOException { Timer timer = new Timer(); // single layer? -> request ENCODED_IMAGE if (mapContext.getLayerCount() == 1) { MapLayer mapLayer = mapContext.getLayers()[0]; ILayer layer = loader.findLayer(mapLayer); try {//w w w .j a va2 s .c om Pipeline pipeline = loader.getOrCreatePipeline(layer, LayerUseCase.ENCODED_IMAGE); ProcessorRequest request = prepareProcessorRequest(); pipeline.process(request, new ResponseHandler() { public void handle(ProcessorResponse pipeResponse) throws Exception { HttpServletResponse response = GeoServerWms.response.get(); if (pipeResponse == EncodedImageResponse.NOT_MODIFIED) { log.info("Response: 304!"); response.setStatus(304); } else { long lastModified = ((EncodedImageResponse) pipeResponse).getLastModified(); // allow caches and browser clients to cache for 1h //response.setHeader( "Cache-Control", "public,max-age=3600" ); if (lastModified > 0) { response.setHeader("Cache-Control", "no-cache,must-revalidate"); response.setDateHeader("Last-Modified", lastModified); } else { response.setHeader("Cache-Control", "no-cache,must-revalidate"); response.setDateHeader("Expires", 0); } byte[] chunk = ((EncodedImageResponse) pipeResponse).getChunk(); int len = ((EncodedImageResponse) pipeResponse).getChunkSize(); out.write(chunk, 0, len); } } }); log.debug(" flushing response stream. (" + timer.elapsedTime() + "ms)"); out.flush(); } catch (IOException e) { throw e; } catch (Exception e) { throw new IOException(e); } } // multiple layers -> render into one image else { List<Job> jobs = new ArrayList(); final Map<MapLayer, Image> images = new HashMap(); // run jobs for all layers for (final MapLayer mapLayer : mapContext.getLayers()) { final ILayer layer = loader.findLayer(mapLayer); // job UIJob job = new UIJob(getClass().getSimpleName() + ": " + layer.getLabel()) { protected void runWithException(IProgressMonitor monitor) throws Exception { try { // XXX this excludes Cache304 (which support EncodedImageResponse only) Pipeline pipeline = loader.getOrCreatePipeline(layer, LayerUseCase.IMAGE); GetMapRequest targetRequest = prepareProcessorRequest(); pipeline.process(targetRequest, new ResponseHandler() { public void handle(ProcessorResponse pipeResponse) throws Exception { Image layerImage = ((ImageResponse) pipeResponse).getImage(); images.put(mapLayer, layerImage); } }); } catch (Exception e) { // XXX put a special 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) { // XXX put a special image in the map log.warn("", e); } } // put images together (MapContext order) Graphics2D g = null; try { // result image BufferedImage result = ImageUtils.createImage(mapContext.getMapWidth(), mapContext.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 (MapLayer mapLayer : mapContext.getLayers()) { Image layerImage = images.get(mapLayer); // load image data // new javax.swing.ImageIcon( image ).getImage(); ILayer layer = loader.findLayer(mapLayer); int rule = AlphaComposite.SRC_OVER; float alpha = ((float) layer.getOpacity()) / 100; g.setComposite(AlphaComposite.getInstance(rule, alpha)); g.drawImage(layerImage, 0, 0, null); } encodeImage(result, out); } finally { if (g != null) { g.dispose(); } } } }
From source file:org.polymap.core.data.image.RasterRenderProcessor.java
protected Image getMap(Set<ILayer> layers, int width, int height, ReferencedEnvelope bbox) { // mapContext synchronized (this) { // check style objects boolean needsNewContext = false; // create mapContext if (mapContext == null || needsNewContext) { // sort z-priority TreeMap<String, ILayer> sortedLayers = new TreeMap(); for (ILayer layer : layers) { String uniqueOrderKey = String.valueOf(layer.getOrderKey()) + layer.id(); sortedLayers.put(uniqueOrderKey, layer); }/*from w w w. j av a2 s. co m*/ // add to mapContext mapContext = new DefaultMapContext(bbox.getCoordinateReferenceSystem()); for (ILayer layer : sortedLayers.values()) { try { IGeoResource res = layer.getGeoResource(); if (res == null) { throw new IllegalStateException("Unable to find geo resource of layer: " + layer); } AbstractRasterService service = (AbstractRasterService) res.service(null); log.debug(" service: " + service); log.debug(" CRS: " + layer.getCRS()); AbstractGridCoverage2DReader reader = service.getReader(layer.getCRS(), null); Style style = createRGBStyle(reader); if (style == null) { log.warn("Error creating RGB style, trying greyscale..."); style = createGreyscaleStyle(1); } mapContext.addLayer(reader, style); styles.put(layer, style); } catch (IOException e) { log.warn(e); // FIXME set layer status and statusMessage } } } else { } } // render BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR); final Graphics2D g = result.createGraphics(); try { 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(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)); renderer.setJava2DHints(hints); // g.setRenderingHints( hints ); // render params Map rendererParams = new HashMap(); rendererParams.put("optimizedDataLoadingEnabled", Boolean.TRUE); renderer.setRendererHints(rendererParams); renderer.setContext(mapContext); Rectangle paintArea = new Rectangle(width, height); renderer.paint(g, paintArea, bbox); return result; } catch (Throwable e) { log.error("Renderer error: ", e); drawErrorMsg(g, null, e); return result; } finally { if (g != null) { g.dispose(); } } }
From source file:oulib.aws.s3.S3Util.java
/** * Generate a small tiff file from large Tiff S3 bucket object <br> * Note: the small tiff file will have the same key path as the original one * //from ww w . j ava2 s . com * @param s3client : S3 client * @param s3 : S3 object that con * @param targetBucketName : the bucket that stores the small tiff file * @param targetKey : key of the object in the target bucket * @param compressionRate : compression rate * @return : PutObjectResult */ public static PutObjectResult generateSmallTiff(AmazonS3 s3client, S3Object s3, String targetBucketName, String targetKey, double compressionRate) { PutObjectResult result = null; ByteArrayOutputStream bos = null; ByteArrayOutputStream os = null; ByteArrayInputStream is = null; S3ObjectInputStream s = null; ByteArrayInputStream byteInputStream = null; try { System.setProperty("com.sun.media.jai.disableMediaLib", "true"); bos = new ByteArrayOutputStream(); s = s3.getObjectContent(); byte[] bytes = IOUtils.toByteArray(s); byteInputStream = new ByteArrayInputStream(bytes); TIFFDecodeParam param = new TIFFDecodeParam(); ImageDecoder dec = ImageCodec.createImageDecoder("TIFF", byteInputStream, param); RenderedImage image = dec.decodeAsRenderedImage(); RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); RenderedOp resizedImage = JAI.create("SubsampleAverage", image, compressionRate, compressionRate, qualityHints); TIFFEncodeParam params = new com.sun.media.jai.codec.TIFFEncodeParam(); resizedImage = JAI.create("encode", resizedImage, bos, "TIFF", params); BufferedImage imagenew = resizedImage.getSourceImage(0).getAsBufferedImage(); os = new ByteArrayOutputStream(); ImageIO.write(imagenew, "tif", os); is = new ByteArrayInputStream(os.toByteArray()); ObjectMetadata metadata = new ObjectMetadata(); metadata.setContentLength(os.toByteArray().length); metadata.setContentType("image/tiff"); metadata.setLastModified(new Date()); os.close(); imagenew.flush(); result = s3client.putObject(new PutObjectRequest(targetBucketName, targetKey, is, metadata)); } catch (IOException | AmazonClientException ex) { Logger.getLogger(S3Util.class.getName()).log(Level.SEVERE, null, ex); } finally { try { if (bos != null) { bos.close(); } if (os != null) { os.close(); } if (is != null) { is.close(); } if (s != null) { s.close(); } if (byteInputStream != null) { byteInputStream.close(); } } catch (IOException ex) { Logger.getLogger(S3Util.class.getName()).log(Level.SEVERE, null, ex); } } return result; }
From source file:org.geomajas.plugin.rasterizing.layer.RasterDirectLayer.java
@Override public void draw(Graphics2D graphics, MapContent map, MapViewport viewport) { try {/*from www. j a v a 2 s. c om*/ if (tiles.size() > 0) { Collection<Callable<ImageResult>> callables = new ArrayList<Callable<ImageResult>>(tiles.size()); // Build the image downloading threads for (RasterTile tile : tiles) { RasterImageDownloadCallable downloadThread = new RasterImageDownloadCallable( DOWNLOAD_MAX_ATTEMPTS, tile); callables.add(downloadThread); } // Loop until all images are downloaded or timeout is reached long totalTimeout = DOWNLOAD_TIMEOUT + DOWNLOAD_TIMEOUT_ONE_TILE * tiles.size(); log.debug("=== total timeout (millis): {}", totalTimeout); ExecutorService service = Executors.newFixedThreadPool(DOWNLOAD_MAX_THREADS); List<Future<ImageResult>> futures = service.invokeAll(callables, totalTimeout, TimeUnit.MILLISECONDS); // determine the pixel bounds of the mosaic Bbox pixelBounds = getPixelBounds(tiles); // create the images for the mosaic List<RenderedImage> images = new ArrayList<RenderedImage>(); for (Future<ImageResult> future : futures) { ImageResult result = null; if (future.isDone()) { try { result = future.get(); // create a rendered image if (result.getImage() != null && result.getImage().length > 0) { RenderedImage image = JAI.create("stream", new ByteArraySeekableStream(result.getImage())); // convert to common direct color model (some images have their own indexed color model) RenderedImage colored = toDirectColorModel(image); // translate to the correct position in the tile grid double xOffset = result.getRasterImage().getCode().getX() * tileWidth - pixelBounds.getX(); double yOffset; // TODO: in some cases, the y-index is up (e.g. WMS), should be down for // all layers !!!! if (isYIndexUp(tiles)) { yOffset = result.getRasterImage().getCode().getY() * tileHeight - pixelBounds.getY(); } else { yOffset = (pixelBounds.getMaxY() - (result.getRasterImage().getCode().getY() + 1) * tileHeight); } log.debug("adding to(" + xOffset + "," + yOffset + "), url = " + result.getRasterImage().getUrl()); RenderedImage translated = TranslateDescriptor.create(colored, (float) xOffset, (float) yOffset, new InterpolationNearest(), null); images.add(translated); } } catch (ExecutionException e) { addLoadError(graphics, (ImageException) (e.getCause()), viewport); log.warn(MISSING_TILE_IN_MOSAIC + e.getMessage()); } catch (Exception e) { log.warn("Missing tile " + result.getRasterImage().getUrl()); log.warn(MISSING_TILE_IN_MOSAIC + e.getMessage()); } } } if (images.size() > 0) { ImageLayout imageLayout = new ImageLayout(0, 0, (int) pixelBounds.getWidth(), (int) pixelBounds.getHeight()); imageLayout.setTileWidth(tileWidth); imageLayout.setTileHeight(tileHeight); // create the mosaic image ParameterBlock pbMosaic = new ParameterBlock(); pbMosaic.add(MosaicDescriptor.MOSAIC_TYPE_OVERLAY); for (RenderedImage renderedImage : images) { pbMosaic.addSource(renderedImage); } RenderedOp mosaic = JAI.create("mosaic", pbMosaic, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, imageLayout)); try { ByteArrayOutputStream baos = new ByteArrayOutputStream(); log.debug("rendering to buffer..."); ImageIO.write(mosaic, "png", baos); log.debug("rendering done, size = " + baos.toByteArray().length); RasterTile mosaicTile = new RasterTile(); mosaicTile.setBounds(getWorldBounds(tiles)); log.info("application bounds = " + mosaicTile.getBounds()); ImageResult mosaicResult = new ImageResult(mosaicTile); mosaicResult.setImage(baos.toByteArray()); addImage(graphics, mosaicResult, viewport); } catch (IOException e) { log.warn("could not write mosaic image " + e.getMessage()); } } } } catch (InterruptedException e) { log.warn("rendering {} to {} failed : ", getTitle(), viewport.getBounds()); } }
From source file:ch.entwine.weblounge.preview.jai.JAIPreviewGenerator.java
/** * Resizes the given image to what is defined by the image style and writes * the result to the output stream.// w ww .j a v a 2s . co m * * @param is * the input stream * @param os * the output stream * @param format * the image format * @param style * the style * @throws IllegalArgumentException * if the image is in an unsupported format * @throws IllegalArgumentException * if the input stream is empty * @throws IOException * if reading from or writing to the stream fails * @throws OutOfMemoryError * if the image is too large to be processed in memory */ private void style(InputStream is, OutputStream os, String format, ImageStyle style) throws IllegalArgumentException, IOException, OutOfMemoryError { // Does the input stream contain any data? if (is.available() == 0) throw new IllegalArgumentException("Empty input stream was passed to image styling"); // Do we need to do any work at all? if (style == null || ImageScalingMode.None.equals(style.getScalingMode())) { logger.trace("No scaling needed, performing a noop stream copy"); IOUtils.copy(is, os); return; } SeekableStream seekableInputStream = null; RenderedOp image = null; try { // Load the image from the given input stream seekableInputStream = new FileCacheSeekableStream(is); image = JAI.create("stream", seekableInputStream); if (image == null) throw new IOException("Error reading image from input stream"); // Get the original image size int imageWidth = image.getWidth(); int imageHeight = image.getHeight(); // Resizing float scale = ImageStyleUtils.getScale(imageWidth, imageHeight, style); RenderingHints scaleHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); scaleHints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY); scaleHints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); scaleHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); int scaledWidth = Math.round(scale * image.getWidth()); int scaledHeight = Math.round(scale * image.getHeight()); int cropX = 0; int cropY = 0; // If either one of scaledWidth or scaledHeight is < 1.0, then // the scale needs to be adapted to scale to 1.0 exactly and accomplish // the rest by cropping. if (scaledWidth < 1.0f) { scale = 1.0f / imageWidth; scaledWidth = 1; cropY = imageHeight - scaledHeight; scaledHeight = Math.round(imageHeight * scale); } else if (scaledHeight < 1.0f) { scale = 1.0f / imageHeight; scaledHeight = 1; cropX = imageWidth - scaledWidth; scaledWidth = Math.round(imageWidth * scale); } if (scale > 1.0) { ParameterBlock scaleParams = new ParameterBlock(); scaleParams.addSource(image); scaleParams.add(scale).add(scale).add(0.0f).add(0.0f); scaleParams.add(Interpolation.getInstance(Interpolation.INTERP_BICUBIC_2)); image = JAI.create("scale", scaleParams, scaleHints); } else if (scale < 1.0) { ParameterBlock subsampleAverageParams = new ParameterBlock(); subsampleAverageParams.addSource(image); subsampleAverageParams.add(Double.valueOf(scale)); subsampleAverageParams.add(Double.valueOf(scale)); image = JAI.create("subsampleaverage", subsampleAverageParams, scaleHints); } // Cropping cropX = (int) Math.max(cropX, (float) Math.ceil(ImageStyleUtils.getCropX(scaledWidth, scaledHeight, style))); cropY = (int) Math.max(cropY, (float) Math.ceil(ImageStyleUtils.getCropY(scaledWidth, scaledHeight, style))); if ((cropX > 0 && Math.floor(cropX / 2.0f) > 0) || (cropY > 0 && Math.floor(cropY / 2.0f) > 0)) { ParameterBlock cropTopLeftParams = new ParameterBlock(); cropTopLeftParams.addSource(image); cropTopLeftParams.add(cropX > 0 ? ((float) Math.floor(cropX / 2.0f)) : 0.0f); cropTopLeftParams.add(cropY > 0 ? ((float) Math.floor(cropY / 2.0f)) : 0.0f); cropTopLeftParams.add(scaledWidth - Math.max(cropX, 0.0f)); // width cropTopLeftParams.add(scaledHeight - Math.max(cropY, 0.0f)); // height RenderingHints croppingHints = new RenderingHints(JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY)); image = JAI.create("crop", cropTopLeftParams, croppingHints); } // Write resized/cropped image encoded as JPEG to the output stream ParameterBlock encodeParams = new ParameterBlock(); encodeParams.addSource(image); encodeParams.add(os); encodeParams.add("jpeg"); JAI.create("encode", encodeParams); } catch (Throwable t) { if (t.getClass().getName().contains("ImageFormat")) { throw new IllegalArgumentException(t.getMessage()); } } finally { IOUtils.closeQuietly(seekableInputStream); if (image != null) image.dispose(); } }
From source file:org.polymap.core.data.feature.FeatureRenderProcessor2.java
protected Image getMap(final Set<ILayer> layers, int width, int height, final ReferencedEnvelope bbox) { // Logger wfsLog = Logging.getLogger( "org.geotools.data.wfs.protocol.http" ); // wfsLog.setLevel( Level.FINEST ); // mapContext MapContext mapContext = mapContextRef.get(new Supplier<MapContext>() { public MapContext get() { log.debug("Creating new MapContext... "); // sort z-priority TreeMap<String, ILayer> sortedLayers = new TreeMap(); for (ILayer layer : layers) { String uniqueOrderKey = String.valueOf(layer.getOrderKey()) + layer.id(); sortedLayers.put(uniqueOrderKey, layer); }/*from w w w .j a v a 2 s . c om*/ // add to mapContext MapContext result = new DefaultMapContext(bbox.getCoordinateReferenceSystem()); for (ILayer layer : sortedLayers.values()) { try { FeatureSource fs = PipelineFeatureSource.forLayer(layer, false); log.debug(" FeatureSource: " + fs); log.debug(" fs.getName(): " + fs.getName()); Style style = layer.getStyle().resolve(Style.class, null); if (style == null) { log.warn(" fs.getName(): " + fs.getName()); style = new DefaultStyles().findStyle(fs); } result.addLayer(fs, style); // watch layer for style changes LayerStyleListener listener = new LayerStyleListener(mapContextRef); if (watchedLayers.putIfAbsent(layer, listener) == null) { layer.addPropertyChangeListener(listener); } } catch (IOException e) { log.warn(e); // FIXME set layer status and statusMessage } catch (PipelineIncubationException e) { log.warn("No pipeline.", e); } } log.debug("created: " + result); return result; } }); log.debug("using: " + mapContext); // render // GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); // GraphicsConfiguration gc = ge.getDefaultScreenDevice().getDefaultConfiguration(); // VolatileImage result = gc.createCompatibleVolatileImage( width, height, Transparency.TRANSLUCENT ); BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); result.setAccelerationPriority(1); final Graphics2D g = result.createGraphics(); // log.info( "IMAGE: accelerated=" + result.getCapabilities( g.getDeviceConfiguration() ).isAccelerated() ); try { final StreamingRenderer renderer = new StreamingRenderer(); // rendering hints RenderingHints hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED); hints.add(new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)); hints.add(new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON)); renderer.setJava2DHints(hints); // g.setRenderingHints( hints ); // error handler renderer.addRenderListener(new RenderListener() { int featureCount = 0; @Override public void featureRenderer(SimpleFeature feature) { // if (++featureCount == 100) { // log.info( "Switch off antialiasing!" ); // RenderingHints off = new RenderingHints( // RenderingHints.KEY_ANTIALIASING, // RenderingHints.VALUE_ANTIALIAS_OFF ); // renderer.setJava2DHints( off ); // g.setRenderingHints( off ); // } } @Override public void errorOccurred(Exception e) { log.error("Renderer error: ", e); drawErrorMsg(g, "Fehler bei der Darstellung.", e); } }); // render params Map rendererParams = new HashMap(); rendererParams.put("optimizedDataLoadingEnabled", Boolean.TRUE); renderer.setRendererHints(rendererParams); renderer.setContext(mapContext); Rectangle paintArea = new Rectangle(width, height); renderer.paint(g, paintArea, bbox); return result; } catch (Throwable e) { log.error("Renderer error: ", e); drawErrorMsg(g, null, e); return result; } finally { if (g != null) { g.dispose(); } } }