svn-gvsig-desktop / tags / v1_1_Build_1009 / libraries / libCq CMS for java.old / src / org / cresques / px / dxf / DxfText.java @ 12649
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.px.dxf; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.geo.ViewPortData; |
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import org.cresques.io.DxfGroup; |
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import org.cresques.px.Extent; |
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import java.awt.Font; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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/**
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* Entidad TEXT de un fichero DXF.
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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* @author jmorell
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* jmorell, 050406: El segundo punto es opcional.
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*/
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public class DxfText extends DxfEntity { |
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public final static int ALIGN_LEFT = 0; |
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public final static int ALIGN_CENTER = 1; |
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public final static int ALIGN_RIGHT = 2; |
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public final static int ALIGN_ALIGNED = 3; |
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public final static int ALIGN_MIDDLE = 4; |
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public final static int ALIGN_FIT = 5; |
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private String text = null; |
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Point2D[] pts; |
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private Point2D pt; |
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private double rot = 0.0; |
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private double h = 1.0; |
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int align = ALIGN_LEFT;
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private boolean twoPointsFlag; |
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/**
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* Constructor de DxfText.
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* @param proj, proyecci?n cartogr?fica en la que se encuentra el DxfText.
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* @param layer, capa del DXF en la que se encuentra el DxfText.
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* @param txt, texto.
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*/
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public DxfText(IProjection proj, DxfLayer layer, String txt) { |
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super(proj, layer);
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//System.out.println("Dxf: TEXT '"+txt+"'.");
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extent = new Extent();
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text = txt; |
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pts = new Point2D[2]; |
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pt = new Point2D.Double(); |
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twoPointsFlag = false;
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} |
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/**
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* Establece el punto de inserci?n del DxfText.
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* @param pt, punto de inserci?n.
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*/
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public void setPt(Point2D pt) { |
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this.pt = pt;
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} |
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/**
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* @return Returns the pt.
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*/
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public Point2D getPt() { |
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return pt;
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} |
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/**
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* Establece si el texto se situa a trav?s de dos puntos de inserci?n. Estos dos
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* puntos definir?n su orientaci?n.
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* @param f
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*/
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public void setTwoPointsFlag(boolean f) { |
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twoPointsFlag = f; |
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} |
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/**
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* Informa sobre si el texto se situa a trav?s de dos puntos de inserci?n. Estos dos
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* puntos definir?n su orientaci?n.
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* @return boolean
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*/
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public boolean getTwoPointsFlag() { |
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return twoPointsFlag;
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} |
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/**
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* Establece el primer punto de inserci?n del texto cuando este se inserta a trav?s
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* de dos puntos de inserci?n.
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* @param pt
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*/
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public void setPt1(Point2D pt) { |
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pts[0] = pt;
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extent.add(pt); |
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} |
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/**
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* Obtiene el primer punto de inserci?n del texto cuando este se inserta a trav?s
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* de dos puntos de inserci?n.
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* @return Point2D
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*/
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public Point2D getPt1() { |
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return pts[0]; |
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} |
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/**
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* Establece el segundo punto de inserci?n del texto cuando este se inserta a trav?s
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* de dos puntos de inserci?n.
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* @param pt
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*/
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public void setPt2(Point2D pt) { |
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pts[1] = pt;
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extent.add(pt); |
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} |
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/**
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* Obtiene el segundo punto de inserci?n del texto cuando este se inserta a trav?s
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* de dos puntos de inserci?n.
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* @return Point2D
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*/
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public Point2D getPt2() { |
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return pts[1]; |
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} |
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/**
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* Establece la altura del texto.
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* @param h, altura del texto.
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*/
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public void setHeight(double h) { |
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this.h = h;
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} |
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public double getHeight(){ |
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return h;
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} |
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/**
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* Establece la inclinaci?n del texto.
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* @param r, ?ngulo de inclinaci?n del texto.
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*/
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public void setRotation(double r) { |
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rot = r; |
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} |
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/**
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* Devuelve la inclinaci?n del texto.
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* @return double
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*/
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public double getRotation() { |
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return rot;
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} |
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/**
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* Devuelve el texto.
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* @return String
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*/
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public String getText() { |
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return text;
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} |
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/**
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* Permite reproyectar un DxfText dado un conjunto de coordenadas de transformaci?n.
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* @param rp, coordenadas de transformaci?n.
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*/
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public void reProject(ICoordTrans rp) { |
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Point2D[] savePts = pts; |
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pts = new Point2D[2]; |
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extent = new Extent();
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Point2D ptDest = null; |
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for (int i = 0; i < savePts.length; i++) { |
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ptDest = rp.getPDest().createPoint(0.0, 0.0); |
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if (savePts[i] == null) { |
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ptDest = null;
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} else {
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ptDest = rp.convert((Point2D) savePts[i], ptDest);
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extent.add(ptDest); |
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} |
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pts[i] = ptDest; |
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} |
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// Reproyecto la altura del texto
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Point2D ptOrig = rp.getPOrig().createPoint(savePts[0].getX(), |
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savePts[0].getY() + h);
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ptDest = rp.getPDest().createPoint(0D, 0D); |
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ptDest = rp.convert(ptOrig, ptDest); |
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h = ptDest.getY() - pts[0].getY();
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setProjection(rp.getPDest()); |
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} |
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/**
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* Permite dibujar un DxfText.
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*/
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public void draw(Graphics2D g, ViewPortData vp) { |
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if (dxfColor == AcadColor.BYLAYER) {
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g.setColor(layer.getColor()); |
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} else {
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g.setColor(AcadColor.getColor(dxfColor)); |
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} |
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Font fntSave = g.getFont();
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Font fnt;
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Point2D ptT0 = new Point2D.Double(pts[0].getX(), pts[0].getY()); |
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Point2D ptT1 = new Point2D.Double(pts[0].getX() + h, pts[0].getY() + h); |
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vp.mat.transform(ptT0, ptT0); |
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vp.mat.transform(ptT1, ptT1); |
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fnt = new Font(fntSave.getName(), fntSave.getStyle(), |
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(int) (ptT1.getX() - ptT0.getX()));
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g.setFont(fnt); |
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ptT0.setLocation(pts[0].getX(), pts[0].getY()); |
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vp.mat.transform(ptT0, ptT0); |
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// Codigo para implementar rotacion de textos.
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// Falta depurar.
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/*System.out.println("040906: rot = " + rot);
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//angle = pathLen.angleAtLength(midDistance);
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rot = Math.toRadians(rot);
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if (rot < 0) rot = rot + 2.0*Math.PI;
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if ((rot > (Math.PI/2)) && (rot < (3 * Math.PI /2))) rot = rot - (Math.PI/2.0);
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rot = Math.toDegrees(rot);
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//theLabel.setRotation(Math.toDegrees(angle));
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AffineTransform transfRot = AffineTransform.getRotateInstance(rot, ptT0.getX(), ptT0.getY());
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AffineTransform ant = g.getTransform();
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g.setTransform(transfRot);*/
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g.drawString(text, (int) ptT0.getX(), (int) ptT0.getY()); |
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g.setFont(fntSave); |
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//g.setTransform(ant);
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} |
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/**
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* Permite la escritura de entidades DxfText en un fichero DXF2000.
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* @return String, la cadena que se escribir? en el fichero con la informaci?n
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* del DxfText.
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*/
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public String toDxfString() { |
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StringBuffer sb = null; |
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sb = new StringBuffer(DxfGroup.toString(0, "TEXT")); |
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sb.append(DxfGroup.toString(1, getText()));
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sb.append(DxfGroup.toString(5, getHandle()));
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// sb.append(DxfGroup.toString(100, "AcDbText"));
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sb.append(DxfGroup.toString(8, layer.getName()));
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sb.append(DxfGroup.toString(62, dxfColor));
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// sb.append(DxfGroup.toString(100, "AcDbText"));
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sb.append(DxfGroup.toString(10, pt.getX(), 6)); |
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sb.append(DxfGroup.toString(20, pt.getY(), 6)); |
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sb.append(DxfGroup.toString(30, 0.0, 6)); |
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sb.append(DxfGroup.toString(40, getHeight(), 6)); |
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sb.append(DxfGroup.toString(50, getRotation(), 6)); |
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return sb.toString();
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} |
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} |