| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 * 

 * 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 2

 * 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.

 * 

 */

package org.gvsig.fmap.mapcontrol.impl;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.RenderingHints;

import java.awt.Stroke;

import java.awt.image.BufferedImage;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.PrimitivesDrawer;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

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

 */

public class DefaultPrimitivesDrawer implements PrimitivesDrawer {

    private static final Logger LOG = LoggerFactory

        .getLogger(DefaultPrimitivesDrawer.class);

    protected Graphics2D graphics = null;

    protected Color color = Color.BLACK;

    protected Color xorColor = Color.WHITE;

    private Object lockObject = null;

    public DefaultPrimitivesDrawer() {

        super();

    }

    public DefaultPrimitivesDrawer(Graphics2D graphics) {

        super();

        this.graphics = graphics;

    }

    public void drawLine(int x1, int y1, int x2, int y2) {

        graphics.setXORMode(xorColor);

        graphics.drawLine(x1, y1, x2, y2);

        graphics.setPaintMode();

    }

    public void drawOval(int x, int y, int width, int height) {

        graphics.setXORMode(xorColor);

        graphics.drawOval(x, y, width, height);

        graphics.setPaintMode();

    }

    public void drawRect(int x, int y, int width, int height) {

        graphics.setXORMode(xorColor);

        graphics.drawRect(x, y, width, height);

        graphics.setPaintMode();

    }

    public void fillRect(int x, int y, int width, int height) {

        graphics.setColor(color);

        graphics.fillRect(x, y, width, height);

    }

    public void setColor(Color color) {

        this.color = color;

    }

    public void setGraphics(Graphics graphics) {

        this.graphics = (Graphics2D) graphics;

    }

    public void stopDrawing(Object obj) {

        if (lockObject != obj) {

            LOG.warn("Trying to unlock a resource that is not locked");

            return;

        }

        lockObject = null;

    }

    public void startDrawing(Object obj) throws InterruptedException {

        while ((lockObject != null) && (obj != lockObject)) {

            Thread.sleep(100);

        }

        lockObject = obj;

    }

    public void setRenderingHints(RenderingHints hints) {

            this.graphics.setRenderingHints(hints);

    }

    public void setStroke(Stroke stroke) {

            this.graphics.setStroke(stroke);

    }

    public void cleanCanvas(MapControl mapCtrl) {

            BufferedImage img = mapCtrl.getImage();

            this.graphics.drawImage(img, 0, 0, null);

    }

}