VertexStyle.java

/*
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * Copyright (C) 2003 Vivid Solutions
 * 
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * For more information, contact:
 *
 * Vivid Solutions
 * Suite #1A
 * 2328 Government Street
 * Victoria BC  V8T 5G5
 * Canada
 *
 * (250)385-6040
 * www.vividsolutions.com
 */

package com.vividsolutions.jump.workbench.ui.renderer.style;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Point2D;
import java.awt.geom.RectangularShape;

import org.openjump.util.SLDImporter.SizedStrokeFillStyle;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.util.Assert;
import com.vividsolutions.jump.feature.Feature;
import com.vividsolutions.jump.workbench.model.Layer;
import com.vividsolutions.jump.workbench.ui.GUIUtil;
import com.vividsolutions.jump.workbench.ui.Viewport;

public abstract class VertexStyle implements Style, SizedStrokeFillStyle {
    // UT
    // protected RectangularShape shape;
    protected Shape shape;

    protected int size = 4;

    private Color fillColor;

    private int alpha;

    private boolean enabled = false;

    private boolean filling = true;

    // UT
    private Color strokeColor;

    protected VertexStyle() {
    }

    // UT made RectangularShape shape a Shape
    protected VertexStyle(Shape shape) {
        this.shape = shape;
    }

    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }

    public boolean isEnabled() {
        return enabled;
    }

    public void setSize(int size) {
        this.size = size;
    }

    public int getSize() {
        return size;
    }

    public Color getFillColor() {
        return fillColor;
    }

    public void setFillColor(Color c) {
        fillColor = GUIUtil.alphaColor(c, alpha);
    }

    public void setLineColor(Color c) {
        strokeColor = GUIUtil.alphaColor(c, alpha);
    }

    /**
     * @return the color
     */
    public Color getLineColor() {
        return strokeColor;
    }

    public BasicStyle setRenderingLinePattern(boolean b) {
        return null; // ignored
    }

    public BasicStyle setLinePattern(String s) {
        return null; // ignored
    }

    public void setAlpha(int a) {
        if (fillColor != null) {
            fillColor = GUIUtil.alphaColor(fillColor, a);
        }
        if (strokeColor != null) {
            strokeColor = GUIUtil.alphaColor(strokeColor, a);
        }
        alpha = a;
    }

    public void setLineWidth(int w) {
        // ignore
    }

    public void initialize(Layer layer) {
        // Set the vertices' fill color to the layer's line color
        fillColor = GUIUtil.alphaColor(layer.getBasicStyle().getFillColor(), layer.getBasicStyle().getAlpha());
        strokeColor = GUIUtil.alphaColor(layer.getBasicStyle().getLineColor(), layer.getBasicStyle().getAlpha());

    }

    public void paint(Feature f, Graphics2D g, Viewport viewport) throws Exception {
        Coordinate[] coordinates = f.getGeometry().getCoordinates();
        g.setColor(fillColor);

        for (int i = 0; i < coordinates.length; i++) {
            if (!viewport.getEnvelopeInModelCoordinates().contains(coordinates[i])) {
                // Otherwise get "sun.dc.pr.PRException: endPath: bad path"
                // exception [Jon Aquino 10/22/2003]
                continue;
            }
            paint(g, viewport.toViewPoint(new Point2D.Double(coordinates[i].x, coordinates[i].y)));
        }
    }

    public void paint(Graphics2D g, Point2D p) {
        setFrame(p);
        render(g);
    }

    private void setFrame(Point2D p) {
        // UT
        /*
         * shape.setFrame(p.getX() - (getSize() / 2d), p.getY() - (getSize() /
         * 2d), getSize(), getSize());
         */
        ((RectangularShape) shape).setFrame(p.getX() - (getSize() / 2d), p.getY() - (getSize() / 2d), getSize(),
                getSize());
    }

    /**
     * @param filling
     */
    public void setFilling(boolean filling) {
        this.filling = filling;
    }
    
    /**
     * @return whether the fill is rendered or not
     */
    public boolean getFilling() {
        return filling;
    }
    
    protected void render(Graphics2D g) {
        // UT was
        // g.fill(shape);

		// [Matthias Scholz 3. Sept. 2010] outline draw and fill interchanged for right display
        // deeJUMP
        if (filling) {
            g.setColor(fillColor);
            g.fill(shape);
        }
        g.setColor(strokeColor);
        g.draw(shape);
    }

    public Object clone() {
        try {
            return super.clone();
        } catch (CloneNotSupportedException e) {
            Assert.shouldNeverReachHere();

            return null;
        }
    }
}