teichmann@5831: package org.dive4elements.river.artifacts.map;
ingo@2328: 
ingo@2328: import java.awt.Color;
ingo@2328: import java.awt.Rectangle;
ingo@2328: 
ingo@2328: import java.io.File;
ingo@2328: import java.io.IOException;
ingo@2328: 
ingo@2328: import java.awt.Graphics2D;
ingo@2328: import java.awt.image.BufferedImage;
ingo@2328: 
ingo@2328: import java.util.List;
ingo@2328: 
ingo@2328: import java.net.URL;
ingo@2328: import java.net.MalformedURLException;
ingo@2328: 
ingo@2328: import javax.imageio.ImageIO;
ingo@2328: 
ingo@2328: 
ingo@2328: import org.geotools.data.ows.Layer;
ingo@2328: import org.geotools.data.ows.WMSCapabilities;
ingo@2328: import org.geotools.data.wms.WebMapServer;
ingo@2328: import org.geotools.geometry.jts.ReferencedEnvelope;
ingo@2328: import org.geotools.map.MapContext;
ingo@2328: import org.geotools.map.WMSMapLayer;
ingo@2328: import org.geotools.ows.ServiceException;
ingo@2328: import org.geotools.renderer.lite.StreamingRenderer;
ingo@2328: import org.geotools.renderer.GTRenderer;
ingo@2328: 
ingo@2328: 
ingo@2328: public class PrintMap {
ingo@2328: 
ingo@2328:     public static final String DEFAULT_WMS = "http://map1.naturschutz.rlp.de/service_lanis/mod_wms/wms_getmap.php?mapfile=group_gdide&REQUEST=GetCapabilities&SERVICE=WMS";
ingo@2328:     public static final String DEFAULT_OUTFILE = "~/map.jpeg";
ingo@2328: 
ingo@2328:     public static final String MAPSERVER = System.getProperty("wms", DEFAULT_WMS);
ingo@2328:     public static final String MAP_IMAGE = System.getProperty("outfile", DEFAULT_OUTFILE);
ingo@2328: 
ingo@2328: 
ingo@2328:     public static void main(String[] args) {
ingo@2328:         System.out.println("-> start PrintMap");
ingo@2328:         System.out.println("  -> Print layers of WMS: " + MAPSERVER);
ingo@2328: 
ingo@2328:         try {
ingo@2328:             WebMapServer    server = getMapserver();
ingo@2328:             WMSMapLayer[] wmsLayer = getWMSLayers(server);
ingo@2328: 
ingo@2328:             MapContext mapcontent = new MapContext( wmsLayer );
ingo@2328:             mapcontent.setTitle(" NEW MAP CONTENT TITLE ");
ingo@2328: 
ingo@2328:             printMap(mapcontent);
ingo@2328:         }
ingo@2328:         catch (Exception e) {
ingo@2328:             e.printStackTrace();
ingo@2328:         }
ingo@2328: 
ingo@2328:         System.out.println("-> finished PrintMap");
ingo@2328:     }
ingo@2328: 
ingo@2328: 
ingo@2328:     public static void printMap(MapContext map) throws Exception {
ingo@2328:         int imageWidth = 600;
ingo@2328: 
ingo@2328:         GTRenderer renderer = new StreamingRenderer();
ingo@2328:         renderer.setContext(map);
ingo@2328: 
ingo@2328:         Rectangle imageBounds = null;
ingo@2328:         ReferencedEnvelope mapBounds = null;
ingo@2328: 
ingo@2328:         try {
ingo@2328:             mapBounds = map.getLayerBounds();
ingo@2328:             double heightToWidth = mapBounds.getSpan(1) / mapBounds.getSpan(0);
ingo@2328:             imageBounds = new Rectangle(
ingo@2328:                 0, 0,
ingo@2328:                 imageWidth,
ingo@2328:                 (int) Math.round(imageWidth * heightToWidth));
ingo@2328: 
ingo@2328:         }
ingo@2328:         catch (Exception e) {
ingo@2328:             // failed to access map layers
ingo@2328:             throw new RuntimeException(e);
ingo@2328:         }
ingo@2328: 
ingo@2328:         BufferedImage image = new BufferedImage(imageBounds.width, imageBounds.height, BufferedImage.TYPE_INT_RGB);
ingo@2328:         Graphics2D gr = image.createGraphics();
ingo@2328:         gr.setPaint(Color.WHITE);
ingo@2328:         gr.fill(imageBounds);
ingo@2328: 
ingo@2328:         try {
ingo@2328:             renderer.paint(gr, imageBounds, mapBounds);
ingo@2328:             File fileToSave = new File(MAP_IMAGE);
ingo@2328:             ImageIO.write(image, "jpeg", fileToSave);
ingo@2328:         }
ingo@2328:         catch (IOException e) {
ingo@2328:             throw new RuntimeException(e);
ingo@2328:         }
ingo@2328:     }
ingo@2328: 
ingo@2328: 
ingo@2328:     public static WebMapServer getMapserver() throws MalformedURLException, IOException, ServiceException {
ingo@2328:         return new WebMapServer(getServerUrl());
ingo@2328:     }
ingo@2328: 
ingo@2328: 
ingo@2328:     public static URL getServerUrl() throws MalformedURLException {
ingo@2328:         return new URL(MAPSERVER);
ingo@2328:     }
ingo@2328: 
ingo@2328: 
ingo@2328:     public static WMSMapLayer[] getWMSLayers(WebMapServer server) {
ingo@2328:         if (server == null) {
ingo@2328:             System.out.println("WebMapServer == null");
ingo@2328:             throw new RuntimeException("WebMapServer == null");
ingo@2328:         }
ingo@2328: 
ingo@2328:         WMSCapabilities capabilities = server.getCapabilities();
ingo@2328: 
ingo@2328:         List<Layer> layers = capabilities.getLayerList();
ingo@2328:         WMSMapLayer[] wmslayers = new WMSMapLayer[layers.size()];
ingo@2328: 
sascha@3087:         for (int i = 0, L = layers.size(); i < L; i++) {
ingo@2328:             Layer l = layers.get(i);
ingo@2328: 
ingo@2328:             System.out.println("   -> add layer: " + l);
ingo@2328:             wmslayers[i] = new WMSMapLayer(server, l);
ingo@2328:         }
ingo@2328: 
ingo@2328:         return wmslayers;
ingo@2328:     }
ingo@2328: }
sascha@3083: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :