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kaklik |
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/*
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AVRcamVIEW: A PC application to test out the functionallity of the
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AVRcam real-time image processing engine.
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Copyright (C) 2004 Brent A. Taylor
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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
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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 GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License 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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For more information on the AVRcamVIEW, please contact:
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taylorba@comcast.net
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or go to www.jrobot.net for more details regarding the system.
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*/
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package avr.swing;
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import javax.swing.SpinnerNumberModel;
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public class WrapSpinnerNumberModel extends SpinnerNumberModel {
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public WrapSpinnerNumberModel(Number value, Comparable minimum,
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Comparable maximum, Number stepSize) {
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super(value, minimum, maximum, stepSize);
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}
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public WrapSpinnerNumberModel(int value, int minimum,
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int maximum, int stepSize) {
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super(new Integer(value), new Integer(minimum),
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new Integer(maximum), new Integer(stepSize));
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}
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public Object getNextValue() {
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return increment(+1);
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}
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public Object getPreviousValue() {
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return increment(-1);
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}
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private Number increment(int dir) {
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Number newValue;
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if ((getValue() instanceof Float) || (getValue() instanceof Double)) {
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double v = ((Number)getValue()).doubleValue() +
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(((Number)getStepSize()).doubleValue() * (double)dir);
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if (getValue() instanceof Double) {
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newValue = new Double(v);
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} else {
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newValue = new Float(v);
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}
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} else {
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long v = ((Number)getValue()).longValue() +
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(((Number)getStepSize()).longValue() * (long)dir);
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if (getValue() instanceof Long) {
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newValue = new Long(v);
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} else if (getValue() instanceof Integer) {
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newValue = new Integer((int)v);
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} else if (getValue() instanceof Short) {
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newValue = new Short((short)v);
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} else {
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newValue = new Byte((byte)v);
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}
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}
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if ((getMaximum() != null) && (((Comparable)getMaximum()).compareTo(newValue) < 0)) {
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return (Number)getMinimum();
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}
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if ((getMinimum() != null) && (((Comparable)getMinimum()).compareTo(newValue) > 0)) {
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return (Number)getMaximum();
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}
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return newValue;
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}
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}
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