Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

/*

 * AUTHORS (In addition to CIT):

 * 2009 {Iver T.I.}   {Task}

 */

package org.gvsig.fmap.mapcontrol.impl;

import java.awt.Color;

import java.awt.Composite;

import java.awt.Image;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.handler.Handler;

import org.gvsig.fmap.geom.operation.Draw;

import org.gvsig.fmap.geom.operation.DrawOperationContext;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;

import org.gvsig.fmap.geom.primitive.Curve;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * MapControlDrawer for a 2D view.

 * 

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class MapControlDrawer2D extends DefaultPrimitivesDrawer implements MapControlDrawer{

    private static final Logger LOG = LoggerFactory.getLogger(MapControlDrawer2D.class);

        protected GeometryManager geomManager = GeometryLocator.getGeometryManager();

        private ViewPort viewPort = null;

        /**

         * @param graphics

         * @param viewPort

         */

        public MapControlDrawer2D() {

                super();                

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.renderer.Renderer#draw(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void draw(Geometry geometry, ISymbol symbol) {

                if (geometry != null) {

                    symbol.draw(graphics, viewPort.getAffineTransform(), geometry, null, null);             

                }                

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.renderer.Renderer#drawHandlers(org.gvsig.fmap.geom.Geometry, java.awt.geom.AffineTransform, org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void drawHandlers(Handler[] handlers, AffineTransform at, ISymbol symbol) {

                for (int i = 0; i < handlers.length; i++) {

                    try {

                    Point2D point = handlers[i].getPoint();

                    at.transform(point, point);

                    graphics.setPaintMode();

                    graphics.setColor(symbol.getColor());

                    graphics.fillRect((int) (point.getX() - 3), (int) (point.getY() - 3), 7, 7);

                    graphics.drawRect((int) (point.getX() - 5), (int) (point.getY() - 5), 10, 10);

                    graphics.drawString( "" + i, (int) (point.getX() - 5), (int) (point.getY() - 5));

                    } catch (Throwable th) {

                        /*

                         * jmvivo experienced a "java.lang.InternalError" here, possibly

                         * a graphic bug in the JRE when dealing with windows.

                         * Since we are simply drawing a handler, we will ignore this

                         * error and simply write a line in the log file.. 

                         */

                        LOG.warn("Unexpected error while drawing handler: " + th.getMessage(), th);

                    }

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.renderer.Renderer#drawLine(java.awt.geom.Point2D, java.awt.geom.Point2D, org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void drawLine(Point2D firstPoint, Point2D endPoint, ISymbol symbol) {

                DrawOperationContext doc = new DrawOperationContext();

                doc.setGraphics(graphics);

                doc.setViewPort(viewPort);

                doc.setSymbol(symbol);

                try {

                        Curve curve = (Curve)geomManager.create(Geometry.TYPES.CURVE, Geometry.SUBTYPES.GEOM2D);

                        curve.addVertex(geomManager.createPoint(firstPoint.getX(), firstPoint.getY(), Geometry.SUBTYPES.GEOM2D) );

                        curve.addVertex(geomManager.createPoint(endPoint.getX(), endPoint.getY(), Geometry.SUBTYPES.GEOM2D) );

                        curve.invokeOperation(Draw.CODE, doc);

                } catch (GeometryOperationNotSupportedException e) {

                        e.printStackTrace();

                } catch (GeometryOperationException e) {

                        e.printStackTrace();

                } catch (org.gvsig.fmap.geom.exception.CreateGeometryException e) {

                        e.printStackTrace();

                }                

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.renderer.Renderer#drawImage(java.awt.Image, int, int)

         */

        public void drawImage(Image img, int x, int y) {

                if (img != null){

                        graphics.drawImage(img, x, y, null);

                }                

        }        

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlDrawer#drawHandler(org.gvsig.fmap.geom.handler.Handler, java.awt.geom.AffineTransform)

         */

        public void drawHandler(Handler handler, AffineTransform at) {

                Point2D point = handler.getPoint();

                Point2D dest = (Point2D) point.clone();

                at.transform(point, dest);

                graphics.setColor(Color.black);

                graphics.drawLine((int)dest.getX()-2,(int)dest.getY()-10,(int)dest.getX()-2,(int)dest.getY()+10);

                graphics.drawLine((int)dest.getX()+2,(int)dest.getY()-10,(int)dest.getX()+2,(int)dest.getY()+10);

                graphics.drawLine((int)dest.getX()-10,(int)dest.getY()-2,(int)dest.getX()+10,(int)dest.getY()-2);

                graphics.drawLine((int)dest.getX()-10,(int)dest.getY()+2,(int)dest.getX()+10,(int)dest.getY()+2);

                graphics.setColor(Color.red);

                graphics.drawLine((int)dest.getX()-1,(int)dest.getY()-10,(int)dest.getX()-1,(int)dest.getY()+10);

                graphics.drawLine((int)dest.getX()+1,(int)dest.getY()-10,(int)dest.getX()+1,(int)dest.getY()+10);

                graphics.drawLine((int)dest.getX()-10,(int)dest.getY()-1,(int)dest.getX()+10,(int)dest.getY()-1);

                graphics.drawLine((int)dest.getX()-10,(int)dest.getY()+1,(int)dest.getX()+10,(int)dest.getY()+1);

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.renderer.Renderer#drawImage(java.awt.Image, java.awt.geom.AffineTransform)

         */

        public void drawImage(Image img, AffineTransform xform) {

                graphics.drawImage(img, xform, null);                

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontext.rendering.Renderer#setViewPort(org.gvsig.fmap.mapcontext.ViewPort)

         */

        public void setViewPort(ViewPort viewPort) {

                this.viewPort = viewPort;                

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlDrawer#draw(org.gvsig.fmap.geom.Geometry)

         */

        public void draw(Geometry geometry) {

                draw(geometry, MapContextLocator.getSymbolManager().createSymbol(geometry.getType()));

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlDrawer#setComposite(java.awt.AlphaComposite)

         */

        public void setComposite(Composite composite) {

                graphics.setComposite(composite);

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlDrawer#transform(java.awt.geom.AffineTransform)

         */

        public void transform(AffineTransform at) {

                graphics.transform(at);                

        }

}