/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.plugin.rasterizing;
import java.awt.RenderingHints;
import java.io.IOException;
import java.io.OutputStream;
import org.geomajas.configuration.client.ClientMapInfo;
import org.geomajas.global.GeomajasException;
import org.geomajas.plugin.rasterizing.api.ImageService;
import org.geomajas.plugin.rasterizing.api.RasterException;
import org.geomajas.plugin.rasterizing.api.RasterizingContainer;
import org.geomajas.plugin.rasterizing.api.RasterizingPipelineCode;
import org.geomajas.plugin.rasterizing.command.dto.MapRasterizingInfo;
import org.geomajas.service.DtoConverterService;
import org.geomajas.service.GeoService;
import org.geomajas.service.pipeline.PipelineContext;
import org.geomajas.service.pipeline.PipelineService;
import org.geotools.factory.Hints;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.DefaultMapContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
/**
* Default implementation of {@link ImageService}. Uses a pipeline to render the images.
*
* @author Jan De Moerloose
*
*/
@Component
public class ImageServiceImpl implements ImageService {
@Autowired
private GeoService geoService;
@Autowired
private DtoConverterService dtoConverterService;
@Autowired
private PipelineService<RasterizingContainer> pipelineService;
public void writeMap(OutputStream stream, ClientMapInfo clientMapInfo) throws GeomajasException {
PipelineContext context = pipelineService.createContext();
DefaultMapContext mapContext = new DefaultMapContext();
mapContext.setCoordinateReferenceSystem(geoService.getCrs2(clientMapInfo.getCrs()));
MapRasterizingInfo mapInfo = (MapRasterizingInfo) clientMapInfo.getWidgetInfo(MapRasterizingInfo.WIDGET_KEY);
mapContext.setAreaOfInterest(new ReferencedEnvelope(dtoConverterService.toInternal(mapInfo.getBounds()),
mapContext.getCoordinateReferenceSystem()));
RenderingHints renderingHints = new Hints();
renderingHints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
RasterizingContainer response = new RasterizingContainer();
context.put(RasterizingPipelineCode.CLIENT_MAP_INFO_KEY, clientMapInfo);
context.put(RasterizingPipelineCode.RENDERING_HINTS, renderingHints);
context.put(RasterizingPipelineCode.MAP_CONTEXT_KEY, mapContext);
pipelineService.execute(RasterizingPipelineCode.PIPELINE_RASTERIZING_GET_MAP_IMAGE, null, context, response);
mapContext.dispose();
try {
stream.write(response.getImage());
} catch (IOException e) {
throw new RasterException(RasterException.IMAGE_WRITING_FAILED, e);
}
}
public void writeLegend(OutputStream stream, ClientMapInfo clientMapInfo) throws GeomajasException {
PipelineContext context = pipelineService.createContext();
DefaultMapContext mapContext = new DefaultMapContext();
mapContext.setCoordinateReferenceSystem(geoService.getCrs2(clientMapInfo.getCrs()));
MapRasterizingInfo mapInfo = (MapRasterizingInfo) clientMapInfo.getWidgetInfo(MapRasterizingInfo.WIDGET_KEY);
mapContext.setAreaOfInterest(new ReferencedEnvelope(dtoConverterService.toInternal(mapInfo.getBounds()),
mapContext.getCoordinateReferenceSystem()));
RenderingHints renderingHints = new Hints();
renderingHints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
RasterizingContainer response = new RasterizingContainer();
context.put(RasterizingPipelineCode.CLIENT_MAP_INFO_KEY, clientMapInfo);
context.put(RasterizingPipelineCode.RENDERING_HINTS, renderingHints);
context.put(RasterizingPipelineCode.MAP_CONTEXT_KEY, mapContext);
pipelineService.execute(RasterizingPipelineCode.PIPELINE_RASTERIZING_GET_LEGEND_IMAGE, null, context, response);
mapContext.dispose();
try {
stream.write(response.getImage());
} catch (IOException e) {
throw new RasterException(RasterException.IMAGE_WRITING_FAILED, e);
}
}
}