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/*
Java wrapper for libdmtx
Copyright (C) 2009 Pete Calvert
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact: mike@dragonflylogic.com
*/
/* $Id: GUIExample.java 697 2009-02-16 18:36:39Z mblaughton $ */
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.ImageIO;
import java.io.File;
import org.libdmtx.*;
public class GUIExample extends Frame {
public static final int SEARCH_TIMEOUT = 10000;
BufferedImage testImage;
DMTXTag []tags;
// Initialisation
public GUIExample(String aFile) {
super("DMTX Test");
try {
testImage = ImageIO.read(new File(aFile));
DMTXImage lDImg = new DMTXImage(testImage);
setSize(lDImg.width, lDImg.height);
tags = lDImg.getTags(4, SEARCH_TIMEOUT);
} catch (Exception e) {
System.out.println(e);
}
setVisible(true);
}
// Paint Method
public void paint(Graphics aGraphics) {
aGraphics.drawImage(testImage, 0, 0, this);
int lXMin = tags[0].corner1.x;
int lXMax = tags[0].corner1.x;
int lYMin = tags[0].corner1.y;
int lYMax = tags[0].corner1.y;
for(DMTXTag lTag : tags) {
aGraphics.setColor(Color.red);
aGraphics.drawLine(lTag.corner1.x, lTag.corner1.y, lTag.corner2.x, lTag.corner2.y);
aGraphics.setColor(Color.blue);
aGraphics.drawLine(lTag.corner2.x, lTag.corner2.y, lTag.corner3.x, lTag.corner3.y);
aGraphics.drawLine(lTag.corner3.x, lTag.corner3.y, lTag.corner4.x, lTag.corner4.y);
aGraphics.drawLine(lTag.corner4.x, lTag.corner4.y, lTag.corner1.x, lTag.corner1.y);
lXMin = Math.min(lXMin, lTag.corner1.x);
lXMin = Math.min(lXMin, lTag.corner2.x);
lXMin = Math.min(lXMin, lTag.corner3.x);
lXMin = Math.min(lXMin, lTag.corner4.x);
lXMax = Math.max(lXMax, lTag.corner1.x);
lXMax = Math.max(lXMax, lTag.corner2.x);
lXMax = Math.max(lXMax, lTag.corner3.x);
lXMax = Math.max(lXMax, lTag.corner4.x);
lYMin = Math.min(lYMin, lTag.corner1.y);
lYMin = Math.min(lYMin, lTag.corner2.y);
lYMin = Math.min(lYMin, lTag.corner3.y);
lYMin = Math.min(lYMin, lTag.corner4.y);
lYMax = Math.max(lYMax, lTag.corner1.y);
lYMax = Math.max(lYMax, lTag.corner2.y);
lYMax = Math.max(lYMax, lTag.corner3.y);
lYMax = Math.max(lYMax, lTag.corner4.y);
}
aGraphics.setColor(Color.green);
aGraphics.drawRect(lXMin, lYMin, lXMax - lXMin, lYMax - lYMin);
}
public static void main(String []args) {
new GUIExample(args[0]);
}
}
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