svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / properties / panels / TranspByPixelRGBInputPanel.java @ 12091
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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.properties.panels; |
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import java.awt.Color; |
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import java.io.IOException; |
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import javax.swing.JPanel; |
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import org.gvsig.gui.beans.checkslidertext.CheckColorSliderTextContainer; |
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import org.gvsig.gui.beans.doubleslider.DoubleSliderEvent; |
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import org.gvsig.gui.beans.doubleslider.DoubleSliderListener; |
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/**
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* Panel con los 3 campos para introducir listas de valores RGB. Este gestiona
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* los eventos de FocusListener para validar que los valores que se introducen
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* son correctos. Si el TextField pierde el foco y tiene un valor incorrecto
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* resetea el contenido. Los m?todos publicos getRangeXXX devuelven el intervalo
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* de valores en forma de array multidimensional de 2xN elementos. Cada pareja
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* de valores es un rango de color en ese valor de pixel. Un rango de valores
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* podria ser por ejemplo {{1,3},{15,30},{200, 255}}
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*
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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public class TranspByPixelRGBInputPanel extends JPanel implements DoubleSliderListener { |
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private static final long serialVersionUID = 5858119425941331458L; |
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private int[] rangeRed = null; |
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private int[] rangeGreen = null; |
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private int[] rangeBlue = null; |
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private boolean validValue = true; |
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CheckColorSliderTextContainer tRed = null;
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CheckColorSliderTextContainer tGreen = null;
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CheckColorSliderTextContainer tBlue = null;
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CheckColorSliderTextContainer tAlpha = null;
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/**
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* This is the default constructor
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*/
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public TranspByPixelRGBInputPanel() {
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super();
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initialize(); |
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updateColors(); |
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} |
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/**
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* This method initializes this
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*
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* @return void
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*/
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private void initialize() { |
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this.setLayout(new javax.swing.BoxLayout(this, javax.swing.BoxLayout.Y_AXIS)); |
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this.add(getTRed());
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this.add(getTGreen());
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this.add(getTBlue());
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this.add(getTAlpha());
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this.getTBlue().addValueChangedListener(this); |
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this.getTGreen().addValueChangedListener(this); |
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this.getTRed().addValueChangedListener(this); |
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this.getTAlpha().addValueChangedListener(this); |
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} |
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/**
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* This method initializes jTextField
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*
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* @return javax.swing.JTextField
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*/
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public CheckColorSliderTextContainer getTRed() {
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if (tRed == null) { |
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tRed = new CheckColorSliderTextContainer(0, 255, 0, "R", true); |
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} |
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return tRed;
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} |
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/**
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* This method initializes jTextField
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*
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* @return javax.swing.JTextField
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*/
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public CheckColorSliderTextContainer getTAlpha() {
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if (tAlpha == null) { |
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tAlpha = new CheckColorSliderTextContainer(0, 255, 0, "A", false); |
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tAlpha.setColor2(this.getBackground());
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} |
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return tAlpha;
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} |
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/**
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* This method initializes jTextField1
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*
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* @return javax.swing.JTextField
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*/
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public CheckColorSliderTextContainer getTGreen() {
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if (tGreen == null) { |
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tGreen = new CheckColorSliderTextContainer(0, 255, 0, "G", true); |
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} |
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return tGreen;
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} |
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/**
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* This method initializes jTextField2
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*
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* @return javax.swing.JTextField
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*/
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public CheckColorSliderTextContainer getTBlue() {
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if (tBlue == null) { |
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tBlue = new CheckColorSliderTextContainer(0, 255, 0, "B", true); |
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} |
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return tBlue;
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} |
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/**
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* Obtiene el rango de valores a partir de la cadena de texto introducida por
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* el usuario. Sirve para parsear el contenido de los campos de texto que
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* contienen listas de valores para RGB.
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*
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* @param values
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*/
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public static int[] stringToInterval(String values) throws IOException { |
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int[] rangeTransparency = new int[2]; |
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boolean dots = false; |
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for (int i = 0; i < values.length(); i++) { |
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char c = values.charAt(i);
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if (c != ':' && (c < 48 || c > 57)) |
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throw new IOException("Caracteres incorrectos en la cadena."); |
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if (c == ':' && dots) |
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throw new IOException("Se repite el caracter :."); |
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if (c == ':' && !dots) |
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dots = true;
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if (c == ':' && (i == 0 || i == (values.length() - 1))) |
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throw new IOException("No puede comenzar ni acabar por :."); |
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} |
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if (dots) {
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String[] interv = values.split(":"); |
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int val1 = Integer.parseInt(interv[0]); |
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int val2 = Integer.parseInt(interv[1]); |
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if (val1 > 255 || val2 > 255) |
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throw new IOException("Valor de pixel erroneo."); |
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else {
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if (val1 < val2) {
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rangeTransparency[0] = val1;
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rangeTransparency[1] = val2;
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} else {
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rangeTransparency[0] = val2;
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rangeTransparency[1] = val1;
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} |
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return rangeTransparency;
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} |
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} else {
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rangeTransparency[0] = rangeTransparency[1] = Integer.parseInt(values); |
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if (rangeTransparency[0] > 255) |
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throw new IOException("Valor de pixel erroneo."); |
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return rangeTransparency;
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} |
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} |
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/**
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* Obtiene la lista de valores del campo Blue.
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*
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* @return array multidimensional con los intervalos
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*/
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public int[] getRangeBlue() { |
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return rangeBlue;
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} |
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/**
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* Obtiene la lista de valores del campo Green.
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* @return array multidimensional con los intervalos
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*/
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public int[] getRangeGreen() { |
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return rangeGreen;
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} |
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/**
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* Obtiene la lista de valores del campo Red.
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* @return array multidimensional con los intervalos
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*/
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public int[] getRangeRed() { |
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return rangeRed;
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} |
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/**
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* Obtiene true si los valores de RGB que han introducido son
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* validos y false si no lo son.
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* @return
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*/
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public boolean isValidValue() { |
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return validValue;
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} |
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/**
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* Activa o desactiva el control
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* @param enable True activa el control y false lo desactiva
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*/
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public void setControlEnabled(boolean enabled){ |
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getTRed().setEnabled(enabled); |
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getTGreen().setEnabled(enabled); |
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getTBlue().setEnabled(enabled); |
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getTAlpha().setEnabled(enabled); |
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} |
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/**
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* Asigna el n?mero de bandas activas
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* @param n N?mero de bandas
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*/
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public void setActiveBands(int n){ |
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this.getTRed().setEnabled(true); |
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switch (n) {
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case 1: |
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this.getTGreen().setEnabled(false); |
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this.getTBlue().setEnabled(false); |
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break;
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case 2: |
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this.getTGreen().setEnabled(true); |
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this.getTBlue().setEnabled(false); |
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break;
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case 3: |
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this.getTGreen().setEnabled(true); |
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this.getTBlue().setEnabled(true); |
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break;
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} |
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} |
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/**
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* Limpia el valor de las cajas de texto R, G y B
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*/
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public void clear(){ |
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getTRed().setValue(0);
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getTGreen().setValue(0);
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getTBlue().setValue(0);
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getTRed().setControlEnabled(true);
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getTGreen().setControlEnabled(true);
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getTBlue().setControlEnabled(true);
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} |
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public void updateColors() { |
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int r = tRed.getValue();
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int g = tGreen.getValue();
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int b = tBlue.getValue();
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if (!tRed.isChecked()) r = 0; |
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if (!tGreen.isChecked()) g = 0; |
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if (!tBlue.isChecked()) b = 0; |
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tRed.setColor1(new Color(0, g, b)); |
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tRed.setColor2(new Color(255, g, b)); |
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tGreen.setColor1(new Color(r, 0, b)); |
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tGreen.setColor2(new Color(r, 255, b)); |
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tBlue.setColor1(new Color(r, g, 0)); |
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tBlue.setColor2(new Color(r, g, 255)); |
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} |
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public void actionValueChanged(DoubleSliderEvent e) { |
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updateColors(); |
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validValue = true;
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rangeRed = null;
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rangeGreen = null;
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rangeBlue = null;
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if (getTRed().isChecked()) {
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try {
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rangeRed = TranspByPixelRGBInputPanel.stringToInterval(getTRed().getValue() + "");
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} catch (IOException exc) { |
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exc.printStackTrace(); |
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getTRed().setChecked(false);
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validValue = false;
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} |
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} |
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if (getTGreen().isChecked()) {
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try {
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rangeGreen = TranspByPixelRGBInputPanel.stringToInterval(getTGreen().getValue() + "");
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} catch (IOException exc) { |
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exc.printStackTrace(); |
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getTGreen().setChecked(false);
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validValue = false;
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} |
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} |
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if (getTBlue().isChecked()) {
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try {
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rangeBlue = TranspByPixelRGBInputPanel.stringToInterval(getTBlue().getValue() + "");
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} catch (IOException exc) { |
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exc.printStackTrace(); |
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getTBlue().setChecked(false);
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validValue = false;
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} |
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} |
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} |
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} |