svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / enhanced / graphics / HistogramGraphicBase.java @ 19296
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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) 2007 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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package org.gvsig.rastertools.enhanced.graphics; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.event.ComponentEvent; |
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import java.awt.event.ComponentListener; |
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import java.util.ArrayList; |
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import javax.swing.JFormattedTextField; |
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import javax.swing.JPanel; |
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import javax.swing.JSlider; |
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import org.gvsig.raster.beans.canvas.GCanvas; |
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import org.gvsig.raster.beans.canvas.layers.Border; |
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import org.gvsig.raster.beans.canvas.layers.GraphicHistogram; |
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import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
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import org.gvsig.raster.datastruct.Histogram; |
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/**
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* Clase base para los gr?ficos de histogramas de entrada y salida.
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*
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* 20/02/2008
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public abstract class HistogramGraphicBase extends JPanel implements ComponentListener { |
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/**
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* Constantes que identifican un histograma con una banda
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*/
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public final static int RED = 0; |
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public final static int GREEN = 1; |
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public final static int BLUE = 2; |
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public final static int GRAY = 3; |
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/**
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* Constantes que identifican el tipo Standard/Cumulative
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*/
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public final static int STANDARD = 0; |
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public final static int CUMULATIVE = 1; |
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protected GCanvas canvas = null; |
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protected JPanel north = null; |
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protected JPanel south = null; |
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protected Color borderColor = Color.WHITE; |
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protected Color histogramColor = Color.RED; |
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protected JSlider slider = null; |
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protected JFormattedTextField minValue = null; |
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protected JFormattedTextField maxValue = null; |
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protected double[] histogramRed = null; |
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protected double[] histogramGreen = null; |
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protected double[] histogramBlue = null; |
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protected double[] histogramGray = null; |
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protected double[] histogramDrawed = new double[]{0, 0, 3, 4, 5, 8, 7, 18, 45, 36, 21, 36, 12, 23, 23, 40, 17, 10, 5, 1, 0, 0, 0}; |
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protected Histogram hist = null; |
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protected DatasetColorInterpretation ci = null; |
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protected GraphicHistogram gHist = null; |
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private double[] minList = null; |
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private double[] maxList = null; |
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public HistogramGraphicBase(Histogram hist, DatasetColorInterpretation ci, double[] minList, double[] maxList) { |
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this.hist = hist;
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this.ci = ci;
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this.minList = minList;
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this.maxList = maxList;
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} |
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/**
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* Obtiene el campo de texto con el valor m?ximo
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* @return DataInputField
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*/
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public JFormattedTextField getMaxValue() { |
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if(maxValue == null) { |
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maxValue = new JFormattedTextField(String.valueOf(maxList[0])); |
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maxValue.setPreferredSize(new Dimension(54, 20)); |
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} |
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return maxValue;
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} |
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/**
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* Obtiene el campo de texto con el valor m?nimo
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* @return DataInputField
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*/
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public JFormattedTextField getMinValue() { |
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if(minValue == null) { |
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minValue = new JFormattedTextField(String.valueOf(minList[0])); |
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minValue.setPreferredSize(new Dimension(54, 20)); |
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} |
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return minValue;
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} |
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/**
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* Obtiene el slider
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* @return JSlider
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*/
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public JSlider getSlider() { |
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if(slider == null) { |
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slider = new JSlider(); |
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} |
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return slider;
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} |
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/**
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* Asigna el histograma marcado con la interpretaci?n de color indicada.
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* @param hist Histograma a asignar
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* @param colorInterp Band a la que corresponde el histograma
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*/
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public void setHistogram(double[] hist, int colorInterp) { |
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switch (colorInterp) {
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case RED: histogramRed = hist; break; |
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case GREEN: histogramGreen = hist; break; |
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case BLUE: histogramBlue = hist; break; |
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case GRAY: histogramGray = hist; break; |
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} |
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if(histogramDrawed == null) |
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histogramDrawed = hist; |
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} |
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/**
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* Asigna el histograma dibujado
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* @param colorInterp
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*/
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public void setHistogramDrawed(int colorInterp) { |
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switch (colorInterp) {
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case RED: histogramDrawed = histogramRed; break; |
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case GREEN: histogramDrawed = histogramGreen; break; |
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case BLUE: histogramDrawed = histogramBlue; break; |
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case GRAY: histogramDrawed = histogramGray; break; |
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} |
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if(gHist != null) |
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gHist.setHistogramDrawed(histogramDrawed); |
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if(canvas != null) |
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canvas.repaint(); |
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} |
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/**
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* Asigna el tipo de histograma Standard/Cumulative
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* @param type Tipo de histograma. El valor est? definido en las constantes de esta clase
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*/
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public void setHistogramType(int type) { |
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//TODO: FUNCIONALIDAD: Sin implementar el tipo de histograma
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switch (type) {
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case STANDARD: break; |
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case CUMULATIVE: break; |
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} |
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} |
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/**
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* Obtiene el borde del gr?fico si lo tiene
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* return borde del gr?fico o null si no lo tiene
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*/
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public Border getGraphicBorder() { |
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for (int i = 0; i < canvas.getDrawableElements().size(); i++) { |
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if(canvas.getDrawableElements().get(i) instanceof Border) |
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return (Border)canvas.getDrawableElements().get(i); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.ComponentListener#componentHidden(java.awt.event.ComponentEvent)
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*/
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public void componentHidden(ComponentEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.ComponentListener#componentMoved(java.awt.event.ComponentEvent)
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*/
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public void componentMoved(ComponentEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.ComponentListener#componentResized(java.awt.event.ComponentEvent)
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*/
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public void componentResized(ComponentEvent e) { |
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if(canvas != null) { |
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getGraphicBorder().assignVisibleSize(); |
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canvas.execFirstDrawActions(); |
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canvas.repaint(); |
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} |
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} |
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/**
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* Asigna el tipo
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* @param type
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*/
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public void setType(int type) { |
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ArrayList elements = getCanvas().getDrawableElements();
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for (int i = 0; i < elements.size(); i++) { |
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if(elements.get(i) instanceof GraphicHistogram) |
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((GraphicHistogram)elements.get(i)).setType(type); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent)
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*/
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public void componentShown(ComponentEvent e) { |
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} |
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/**
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* Crea la lista de objetos dibujables y la guarda en un array
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*/
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protected void init() { |
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this.addComponentListener(this); |
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int nbands = hist.getNumBands();
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if(nbands == 3 || nbands == 4) { |
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long[][] table = hist.getTable(); |
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int[] undef = ci.getBands(DatasetColorInterpretation.UNDEF_BAND); |
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int rPos = ci.getBand(DatasetColorInterpretation.RED_BAND);
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int gPos = ci.getBand(DatasetColorInterpretation.GREEN_BAND);
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int bPos = ci.getBand(DatasetColorInterpretation.BLUE_BAND);
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if(rPos == -1) { |
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if(undef != null) |
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rPos = undef[0];
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else
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rPos = 0;
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} |
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if(gPos == -1) { |
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if(undef != null && undef.length >= 2) |
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gPos = undef[1];
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else
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gPos = 1;
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} |
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if(bPos == -1) { |
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if(undef != null && undef.length >= 3) |
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bPos = undef[2];
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else
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gPos = 2;
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} |
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histogramRed = new double[table[rPos].length]; |
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histogramGreen = new double[table[gPos].length]; |
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histogramBlue = new double[table[bPos].length]; |
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for (int i = 0; i < histogramRed.length; i++) { |
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histogramRed[i] = (double)table[rPos][i];
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histogramGreen[i] = (double)table[gPos][i];
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histogramBlue[i] = (double)table[bPos][i];
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} |
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setHistogramDrawed(BLUE); |
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} |
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if(nbands == 1) { |
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long[][] table = hist.getTable(); |
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histogramGray = new double[table[0].length]; |
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for (int i = 0; i < histogramGray.length; i++) |
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histogramGray[i] = (double)table[0][i]; |
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setHistogramDrawed(GRAY); |
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} |
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} |
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/**
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* Obtiene el panel con los combos de selecci?n de gr?fico y bandas
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* @return JPanel
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*/
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public abstract JPanel getNorthPanel(); |
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/**
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* Obtiene el panel con las entradas de texto para los valores
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* m?ximo y m?nimo
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* @return JPanel
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*/
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public abstract JPanel getSouthPanel(); |
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/**
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* Obtiene el lienzo donde se dibujan las gr?ficas
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* @return GCanvas
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*/
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public abstract GCanvas getCanvas(); |
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} |