Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.rendering.styling;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.geom.Point2D;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.core.GeneralPathX;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class SymbolPreviewDrawer {

    private static IGeometry gPoint;

    private static IGeometry gLine;

    private static IGeometry gPolygon;

    private static IGeometry gText;

    FStyle2D fs2d;

    /**

     * Crea un nuevo SymbolPreviewDrawer.

     */

    public SymbolPreviewDrawer() {

    }

    /**

     * Crea un nuevo PreviousSymbolDrawer.

     *

     * @param f DOCUMENT ME!

     */

    public SymbolPreviewDrawer(FStyle2D f) {

        fs2d = f;

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param rec DOCUMENT ME!

     * @param type DOCUMENT ME!

     */

    public void draw(Graphics2D g, Rectangle rec, int type) {

        boolean point = false;

        boolean line = false;

        boolean polygon = false;

        boolean text = false;

        int all = 0;

        System.out.println("type = " + type);

        if ((type % 2) > 0) { //POINT

            point = true;

            all++;

        }

        type = type / 2;

        if ((type % 2) > 0) { //LINE

            line = true;

            all++;

        }

        type = type / 2;

        if ((type % 2) > 0) { //POLYGON

            polygon = true;

            all++;

        }

        type = type / 2;

        if ((type % 2) > 0) { //TEXT

            text = true;

            all++;

        }

        double x = rec.getX();

        double y = rec.getY();

        double w = rec.getWidth();

        double h = rec.getHeight();

        x = x + (w / 1.3);

        y = y + (h / 4);

        w = w / 5;

        h = h / 2;

        double part = w / all;

        Rectangle[] symbolRect = new Rectangle[all];

        for (int i = 0; i < all; i++) {

            symbolRect[i] = new Rectangle((int) (x + (part * i)), (int) y,

                    (int) (part), (int) h);

        }

        int num = 0;

        if (point) {

            drawPoint(g, symbolRect[num++]);

        }

        if (line) {

            drawLine(g, symbolRect[num++]);

        }

        if (polygon) {

            drawPolygon(g, symbolRect[num++]);

        }

        if (text) {

            drawText(g, symbolRect[num++]);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param rec DOCUMENT ME!

     */

    private void initPoint(Rectangle rec) {

        gPoint = ShapeFactory.createPoint2D(rec.getCenterX(), rec.getCenterY());

    }

    /**

     * DOCUMENT ME!

     *

     * @param rec DOCUMENT ME!

     */

    private void initLine(Rectangle rec) {

        Point2D[] points = new Point2D.Double[4];

        int x = (int) rec.getX();

        int y = (int) rec.getY();

        int height = (int) rec.getHeight();

        int width = (int) rec.getWidth();

        points[0] = new Point2D.Double(x, y + (height / 2));

        points[1] = new Point2D.Double(x + (width / 3), y + height);

        points[2] = new Point2D.Double(x + ((2 * width) / 3), y);

        points[3] = new Point2D.Double(x + width, y + (height / 2));

        int[] parts = new int[1];

        parts[0] = 0;

        GeneralPathX gPX = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,

                points.length);

        initGeneralPathX(gPX, points, parts);

        gLine = ShapeFactory.createPolyline2D(gPX);

    }

    /**

     * DOCUMENT ME!

     *

     * @param rec DOCUMENT ME!

     */

    private void initPolygon(Rectangle rec) {

        Point2D[] points = new Point2D.Double[5];

        int x = (int) rec.getX();

        int y = (int) rec.getY();

        int height = (int) rec.getHeight();

        int width = (int) rec.getWidth();

        points[0] = new Point2D.Double(x, y);

        points[1] = new Point2D.Double(rec.getMaxX(), y);

        points[2] = new Point2D.Double(rec.getMaxX(), rec.getMaxY());

        points[3] = new Point2D.Double(x, rec.getMaxY());

        points[4] = new Point2D.Double(x, y);

        int[] parts = new int[1];

        parts[0] = 0;

        GeneralPathX gPX = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,

                points.length);

        initGeneralPathX(gPX, points, parts);

        gPolygon = ShapeFactory.createPolygon2D(gPX);

    }

    /**

     * DOCUMENT ME!

     *

     * @param rec DOCUMENT ME!

     */

    private void initText(Rectangle rec) {

            // TODO:

    }

    /**

     * DOCUMENT ME!

     *

     * @param gPX DOCUMENT ME!

     * @param po DOCUMENT ME!

     * @param pa DOCUMENT ME!

     */

    private void initGeneralPathX(GeneralPathX gPX, Point2D[] po, int[] pa) {

        int j = 0;

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

            if (i == pa[j]) {

                gPX.moveTo(po[i].getX(), po[i].getY());

                if (j < (pa.length - 1)) {

                    j++;

                }

            } else {

                gPX.lineTo(po[i].getX(), po[i].getY());

            }

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param rect DOCUMENT ME!

     */

    public void drawPoint(Graphics2D g, Rectangle rect) {

        initPoint(rect);

        ViewPort vp = new ViewPort(null);

        vp.setOffset(new Point2D.Double(rect.getX(), rect.getY()));

        vp.setImageSize(new Dimension((int) rect.getWidth(),

                (int) rect.getHeight()));

        vp.setExtent(rect);

        gPoint.draw(g, vp, fs2d);

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param rect DOCUMENT ME!

     */

    public void drawLine(Graphics2D g, Rectangle rect) {

        initLine(rect);

        ViewPort vp = new ViewPort(null);

        vp.setOffset(new Point2D.Double(rect.getX(), rect.getY()));

        vp.setImageSize(new Dimension((int) rect.getWidth(),

                (int) rect.getHeight()));

        vp.setExtent(rect);

        gLine.draw(g, vp, fs2d);

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param rect DOCUMENT ME!

     */

    public void drawPolygon(Graphics2D g, Rectangle rect) {

        initPolygon(rect);

        ViewPort vp = new ViewPort(null);

        vp.setOffset(new Point2D.Double(rect.getX(), rect.getY()));

        vp.setImageSize(new Dimension((int) rect.getWidth(),

                (int) rect.getHeight()));

        vp.setExtent(rect);

        gPolygon.draw(g, vp, fs2d);

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param rect DOCUMENT ME!

     */

    public void drawText(Graphics2D g, Rectangle rect) {

        initText(rect);

        ViewPort vp = new ViewPort(null);

        vp.setOffset(new Point2D.Double(rect.getX(), rect.getY()));

        vp.setImageSize(new Dimension((int) rect.getWidth(),

                (int) rect.getHeight()));

        vp.setExtent(rect);

        gText.draw(g, vp, fs2d);

    }

    /**

     * DOCUMENT ME!

     *

     * @param fs2d DOCUMENT ME!

     */

    public void setSymbol(FStyle2D fs2d) {

        this.fs2d = fs2d;

    }

}