svn-gvsig-desktop / tags / v2_0_0_Build_2055 / libraries / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / impl / FLabel.java @ 38987
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/*
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* Created on 13-jul-2004
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*
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* TODO To change the template for this generated file go to
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* Window - Preferences - Java - Code Generation - Code and Comments
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*/
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.impl; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.Graphics2D; |
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import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import org.apache.batik.ext.awt.geom.PathLength; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.utils.XMLEntity; |
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/**
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* Se utiliza para etiquetar. Las capas vectoriales tienen un arrayList
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* (m_labels) de FLabel, un FLabel por cada registro.
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*
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* @author FJP
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* @deprecated
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*/
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public class FLabel implements Cloneable { |
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private static final Logger logger = LoggerFactory.getLogger(FLabel.class); |
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public final static byte LEFT_TOP = 0; |
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public final static byte LEFT_CENTER = 1; |
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public final static byte LEFT_BOTTOM = 2; |
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public final static byte CENTER_TOP = 6; |
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public final static byte CENTER_CENTER = 7; |
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public final static byte CENTER_BOTTOM = 8; |
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public final static byte RIGHT_TOP = 12; |
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public final static byte RIGHT_CENTER = 13; |
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public final static byte RIGHT_BOTTOM = 14; |
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private String m_Str = null; |
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private Point2D m_Orig = null; |
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private double m_Height; |
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public static final double SQUARE = Math.sqrt(2.0); |
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/**
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* <code>m_rotation</code> en grados, NO en radianes. Se convierte en
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* radianes al dibujar.
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*/
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private double m_rotation; |
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/**
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* Valores posibles para <code>m_Justification</code>: Left/Top = 0
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* Center/Top = 6 Right/Top = 12 Left/Center = 1
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* Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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* Center/Bottom = 8 Right/Bottom = 14
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*/
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private byte m_Justification = LEFT_BOTTOM; // Por defecto |
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private int m_Style; |
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private Rectangle2D boundBox; |
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private Color color; |
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private static Font font=new Font("Dialog",Font.PLAIN,12); |
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/**
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* Crea un nuevo FLabel.
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*/
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public FLabel() {
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// nothing to do
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} |
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/**
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* Crea un nuevo FLabel.
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*
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* @param str DOCUMENT ME!
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*/
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public FLabel(String str) { |
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m_Str = str; |
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} |
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/**
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* Crea un nuevo FLabel.
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*
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* @param str
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* @param pOrig
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* @param heightText
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* @param rotation
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*/
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public FLabel(String str, Point2D pOrig, double heightText, double rotation) { |
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m_Str = str; |
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m_Orig = pOrig; |
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m_Height = heightText; |
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m_rotation = rotation; |
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} |
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/**
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* Introduce un nuevo FLabel al ya existente.
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*
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* @param label
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*/
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public void setFLabel(FLabel label) { |
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m_Str = label.m_Str; |
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m_Orig = label.m_Orig; |
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m_Height = label.m_Height; |
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m_rotation = label.m_rotation; |
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} |
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/**
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* Clona el FLabel.
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*
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* @return Object clonado.
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*/
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public Object clone() { |
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FLabel label=new FLabel(m_Str, m_Orig, m_Height, m_rotation);
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label.boundBox=(Rectangle2D)boundBox.clone();
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return label;
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} |
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/**
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* Devuelve la altura del Label.
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*
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* @return Returns the m_Height.
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*/
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public double getHeight() { |
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return m_Height;
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} |
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/**
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* Devuelve el punto de origen.
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*
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* @return Returns the m_Orig.
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*/
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public Point2D getOrig() { |
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return m_Orig;
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} |
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/**
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* Devuelve la rotaci?n.
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*
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* @return Returns the m_rotation.
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*/
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public double getRotation() { |
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return m_rotation;
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} |
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/**
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* Devuelve un String con el texto del Label.
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*
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* @return Returns the m_Str.
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*/
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public String getString() { |
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return m_Str;
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} |
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/**
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* Introduce la altura del Label.
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*
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* @param height The m_Height to set.
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*/
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public void setHeight(double height) { |
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m_Height = height; |
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} |
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/**
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* Introduce el punto de origen del Label.
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*
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* @param orig The m_Orig to set.
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*/
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public void setOrig(Point2D orig) { |
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m_Orig = orig; |
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} |
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/**
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* Introduce la rotaci?n a aplicar al Label.
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*
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* @param m_rotation The m_rotation to set.
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*/
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public void setRotation(double m_rotation) { |
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this.m_rotation = Math.toRadians(-m_rotation); |
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} |
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/**
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* Introduce el texto del Label.
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*
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* @param str The m_Str to set.
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*/
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public void setString(String str) { |
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m_Str = str; |
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} |
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/**
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* Valores posibles para <code>m_Justification</code>: Left/Top = 0
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* Center/Top = 6 Right/Top = 12 Left/Center = 1
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* Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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* Center/Bottom = 8 Right/Bottom = 14
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*
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* @return byte.
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*/
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public byte getJustification() { |
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return m_Justification;
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} |
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/**
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* Valores posibles para <code>m_Justification</code>: Left/Top = 0
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* Center/Top = 6 Right/Top = 12 Left/Center = 1
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* Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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* Center/Bottom = 8 Right/Bottom = 14
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*
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* @param justification byte
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*/
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public void setJustification(byte justification) { |
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m_Justification = justification; |
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} |
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/**
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* Devuelve un Objeto XMLEntity con la informaci?n los atributos necesarios
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* para poder despu?s volver a crear el objeto original.
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*
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* @return XMLEntity.
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*/
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public XMLEntity getXMLEntity() {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className",this.getClass().getName()); |
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xml.setName("flabel");
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xml.putProperty("m_Height", m_Height);
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xml.putProperty("m_Justification", (int) m_Justification); |
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xml.putProperty("m_OrigX", m_Orig.getX());
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xml.putProperty("m_OrigY", m_Orig.getY());
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xml.putProperty("m_rotation", m_rotation);
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xml.putProperty("m_Str", m_Str);
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return xml;
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} |
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/**
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* Crea un Objeto de esta clase a partir de la informaci?n del XMLEntity.
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*
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* @param xml XMLEntity
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*
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* @return Objeto de esta clase.
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*/
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public static FLabel createFLabel(XMLEntity xml) { |
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FLabel label = new FLabel();
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label.setHeight(xml.getDoubleProperty("m_Height"));
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label.setJustification((byte) xml.getIntProperty("m_Justification")); |
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label.setOrig(new Point2D.Double(xml.getDoubleProperty("m_OrigX"), |
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xml.getDoubleProperty("m_OrigY")));
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label.setString("m_Str");
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return label;
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} |
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/**
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* M?todo est?tico que crea un FLabel a partir de una Geometry.
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*
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* @param geom Geometry.
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*
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* @return nuevo FLabel creado.
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* @throws CreateGeometryException
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*/
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public static FLabel createFLabel(org.gvsig.fmap.geom.Geometry geom) throws CreateGeometryException { |
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float angle;
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Point2D pAux = createLabelPoint(geom);
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FLabel label = new FLabel();
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label.setOrig(pAux); |
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switch (geom.getType()) {
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE:
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PathLength pathLen = new PathLength(geom.getShape());
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float midDistance = pathLen.lengthOfPath() / 2; |
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angle = pathLen.angleAtLength(midDistance); |
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if (angle < 0) { |
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angle = angle + (float) (2 * Math.PI); |
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} |
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if ((angle > (Math.PI / 2)) && (angle < ((3 * Math.PI) / 2))) { |
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angle = angle - (float) Math.PI; |
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} |
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label.setRotation(Math.toDegrees(angle));
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break;
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} // switch
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return label;
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} |
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public static Point2D createLabelPoint(org.gvsig.fmap.geom.Geometry geom) throws CreateGeometryException { |
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Point2D pAux = null; |
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switch (geom.getType()) {
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case org.gvsig.fmap.geom.Geometry.TYPES.POINT:
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pAux = new Point2D.Double(((org.gvsig.fmap.geom.primitive.Point) geom).getX(), |
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((org.gvsig.fmap.geom.primitive.Point) geom).getY()); |
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return pAux;
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE:
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PathLength pathLen = new PathLength(geom.getShape());
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// if (pathLen.lengthOfPath() < width / mT.getScaleX()) return;
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float midDistance = pathLen.lengthOfPath() / 2; |
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pAux = pathLen.pointAtLength(midDistance); |
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return pAux;
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case org.gvsig.fmap.geom.Geometry.TYPES.SURFACE:
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try {
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Point pLabel = geom.centroid();
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return new Point2D.Double(pLabel.getX(), pLabel.getY()); |
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} catch (Exception ex) { |
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logger.info("Error while computing centroid. ", ex);
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} |
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break;
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case org.gvsig.fmap.geom.Geometry.TYPES.MULTIPOINT:
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int num=((MultiPoint)geom).getPrimitivesNumber();
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Rectangle2D r=null; |
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if (num>0){ |
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r= ((MultiPoint)geom).getPointAt(0).getBounds2D();
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for (int i=1;i<num;i++){ |
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org.gvsig.fmap.geom.primitive.Point fp=((MultiPoint)geom).getPointAt(i); |
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r.add(new Point2D.Double(fp.getX(),fp.getY())); |
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} |
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} |
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if (r!=null) |
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return new Point2D.Double(r.getCenterX(),r.getCenterY()); |
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break;
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} // switch
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return null; |
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} |
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public void setTypeFont(String t) { |
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font=Font.getFont(t,font);
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} |
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public int getStyle() { |
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return m_Style;
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} |
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public void setBoundBox(Rectangle2D boundBox) { |
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this.boundBox=boundBox;
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} |
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public Rectangle2D getBoundBox(){ |
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return boundBox;
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} |
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public Rectangle2D getBoundingBox(ViewPort vp) { |
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return vp.fromMapRectangle(boundBox);
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} |
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public void setColor(int i) { |
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color=new Color(i); |
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} |
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public Color getColor() { |
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return color;
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} |
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/*public Font getFont(AffineTransform at,boolean isInPixels){
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if (!isInPixels) {
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float alturaPixels = (float) ((getHeight() * at.getScaleX())*SQUARE);
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//Font nuevaFuente = font.deriveFont(alturaPixels);//new Font(getTypeFont(),getStyle(),(int)alturaPixels);
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return font.deriveFont(alturaPixels);
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}
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//Font nuevaFuente = font.deriveFont((float)(getHeight()*SQUARE));//new Font(getTypeFont(),getStyle(),(int)(getHeight()*SQUARE));
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return font;//font.deriveFont((float)(getHeight()*SQUARE));
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}*/
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public Font getFont(AffineTransform at,Font font){ |
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float alturaPixels = (float) ((getHeight() * at.getScaleX())*SQUARE); |
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//return font.deriveFont(alturaPixels);
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return font.deriveFont(font.getStyle(),alturaPixels);
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} |
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/**
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* Por ahora, para extender el renderizado de etiquetas, habr?a que
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* crear otro FLabel y reimplementar este m?todo para que haga caso
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* a otros s?mbolos. Es decir, NO usar FGraphicUtilities
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* @param g
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* @param affineTransform
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* @param theShape
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* @param theSymbol
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*/
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public void draw(Graphics2D g, AffineTransform affineTransform, Shape theShape, ISymbol theSymbol) { |
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FGraphicUtilities.DrawLabel(g, affineTransform, |
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(org.gvsig.fmap.geom.Geometry) theShape, (FSymbol) theSymbol, this);
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} |
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} |