Application: gvSIG desktop

/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 * 

 * Copyright (C) 2004-5. 

 *

 * 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:

 * 

 * cresques@gmail.com

 */

package org.cresques.px.dxf;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.ViewPortData;

import org.cresques.px.Extent;

/**

 * Entidad TEXT de AutoCAD

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>* @author administrador

 * 

 * jmorell, 050406: El segundo punto es opcional.

 */

public class DxfText extends DxfEntity {

        public final static int ALIGN_LEFT                = 0;

        public final static int ALIGN_CENTER        = 1;

        public final static int ALIGN_RIGHT                = 2;

        public final static int ALIGN_ALIGNED        = 3;

        public final static int ALIGN_MIDDLE        = 4;

        public final static int ALIGN_FIT                = 5;

        private String text = null;

        Point2D [] pts;

        private Point2D pt;

        private double rot = 0.0;

        private double h = 1.0;

        int align = ALIGN_LEFT;

        private boolean twoPointsFlag;

        public DxfText(IProjection proj, DxfLayer layer, String txt) {

                super(proj, layer);

                //System.out.println("Dxf: TEXT '"+txt+"'.");

                extent = new Extent();

                text = txt;

                pts = new Point2D[2];

                pt = new Point2D.Double();

                twoPointsFlag = false;

        }

        public void setPt(Point2D pt) {

                this.pt = pt;

        }

        public Point2D getPt() {

                return pt;

        }

        public void setTwoPointsFlag(boolean f) {

                twoPointsFlag = f;

        }

        public boolean getTwoPointsFlag() {

                return twoPointsFlag;

        }

        public void setPt1(Point2D pt) { 

                pts[0] = pt;

                extent.add(pt);

        }

        public Point2D getPt1() { return pts[0]; }

        public void setPt2(Point2D pt) {

                pts[1] = pt;

                extent.add(pt);

        }

        public Point2D getPt2() { return pts[1]; }

        public void setHeight(double h) { this.h = h; }

        public void setRotation(double r) { rot = r; }

        public double getRotation() { return rot; }

        public String getText() { return text; }

        public void reProject(ICoordTrans rp) {

                Point2D [] savePts = pts;

                pts = new Point2D[2];

                extent = new Extent();

                Point2D ptDest = null;

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

                        ptDest = rp.getPDest().createPoint(0.0,0.0);

                        if (savePts[i] == null)

                                ptDest = null;

                        else {

                                ptDest = rp.convert((Point2D) savePts[i], ptDest);

                                extent.add(ptDest);

                        }

                        pts[i] = ptDest;

                }

                // Reproyecto la altura del texto

                Point2D ptOrig = rp.getPOrig().createPoint(savePts[0].getX(),savePts[0].getY()+h);

                ptDest = rp.getPDest().createPoint(0D, 0D);

                ptDest = rp.convert(ptOrig, ptDest);

                h = ptDest.getY()-pts[0].getY();

                setProjection(rp.getPDest());

        }

        public void draw(Graphics2D g, ViewPortData vp) {

                if (dxfColor == AcadColor.BYLAYER)

                        g.setColor(layer.getColor());

                else

                        g.setColor(AcadColor.getColor(dxfColor));

                Font fntSave = g.getFont(), fnt;

                Point2D ptT0 = new Point2D.Double(pts[0].getX(), pts[0].getY());

                Point2D ptT1 = new Point2D.Double(pts[0].getX()+h, pts[0].getY()+h);

                vp.mat.transform(ptT0, ptT0);

                vp.mat.transform(ptT1, ptT1);

                fnt = new Font(fntSave.getName(), fntSave.getStyle(), (int) (ptT1.getX()-ptT0.getX()));

                g.setFont(fnt);

                ptT0.setLocation(pts[0].getX(), pts[0].getY());

                vp.mat.transform(ptT0, ptT0);

                // Codigo para implementar rotacion de textos.

                // Falta depurar.

                /*System.out.println("040906: rot = " + rot);

                //angle = pathLen.angleAtLength(midDistance);

                rot = Math.toRadians(rot);

                if (rot < 0) rot = rot + 2.0*Math.PI;

                if ((rot > (Math.PI/2)) && (rot < (3 * Math.PI /2))) rot = rot - (Math.PI/2.0);

                rot = Math.toDegrees(rot);

                //theLabel.setRotation(Math.toDegrees(angle));

                AffineTransform transfRot = AffineTransform.getRotateInstance(rot, ptT0.getX(), ptT0.getY());

                AffineTransform ant = g.getTransform();

                g.setTransform(transfRot);*/

                g.drawString(text, (int) ptT0.getX(), (int)ptT0.getY());

                g.setFont(fntSave);

                //g.setTransform(ant);

        }

        /* (non-Javadoc)

         * @see org.cresques.px.dxf.DxfEntity#toDxfFileString()

         */

        public String toDxfString() {

                // TODO Auto-generated method stub

                return "";

        }

}