/*
* Encog(tm) Java Examples v3.4
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-examples
*
* Copyright 2008-2016 Heaton Research, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.examples.neural.gui.ocr;
import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JPanel;
/**
* Sample: GUI element that displays sampled data.
*/
public class Sample extends JPanel {
/**
* Serial id for this class.
*/
private static final long serialVersionUID = 2250441617163548592L;
/**
* The image data.
*/
SampleData data;
/**
* The constructor.
*
* @param width
* The width of the downsampled image
* @param height
* The height of the downsampled image
*/
Sample(final int width, final int height) {
this.data = new SampleData(' ', width, height);
}
/**
* The image data object.
*
* @return The image data object.
*/
SampleData getData() {
return this.data;
}
/**
* @param g
* Display the downsampled image.
*/
@Override
public void paint(final Graphics g) {
if (this.data == null) {
return;
}
int x, y;
final int vcell = getHeight() / this.data.getHeight();
final int hcell = getWidth() / this.data.getWidth();
g.setColor(Color.white);
g.fillRect(0, 0, getWidth(), getHeight());
g.setColor(Color.black);
for (y = 0; y < this.data.getHeight(); y++) {
g.drawLine(0, y * vcell, getWidth(), y * vcell);
}
for (x = 0; x < this.data.getWidth(); x++) {
g.drawLine(x * hcell, 0, x * hcell, getHeight());
}
for (y = 0; y < this.data.getHeight(); y++) {
for (x = 0; x < this.data.getWidth(); x++) {
if (this.data.getData(x, y)) {
g.fillRect(x * hcell, y * vcell, hcell, vcell);
}
}
}
g.setColor(Color.black);
g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);
}
/**
* Assign a new image data object.
*
* @param data
* The image data object.
*/
void setData(final SampleData data) {
this.data = data;
}
}