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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import no.geosoft.cc.geometry.Geometry;
import no.geosoft.cc.geometry.Matrix4x4;
import no.geosoft.cc.graphics.*;
/**
* G demo program. Demonstrates:
*
* <ul>
* <li>Annotation layout mechanism
* <li>Visibility settings
* <li>Custom linestyle
* </ul>
*
* @author <a href="mailto:jacob.dreyer@geosoft.no">Jacob Dreyer</a>
*/
public class Demo3 extends JFrame
implements ActionListener
{
private JCheckBox annotationToggle_;
private JCheckBox geometryToggle_;
private GScene scene_;
/**
* Class for creating the demo canvas and hande Swing events.
*/
public Demo3()
{
super ("G Graphics Library - Demo 3");
setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
// Create the GUI
JPanel topLevel = new JPanel();
topLevel.setLayout (new BorderLayout());
getContentPane().add (topLevel);
JPanel buttonPanel = new JPanel();
buttonPanel.add (new JLabel ("Visibility"));
geometryToggle_ = new JCheckBox ("Geometry");
geometryToggle_.setSelected (true);
buttonPanel.add (geometryToggle_);
geometryToggle_.addActionListener (this);
annotationToggle_ = new JCheckBox ("Annotation");
annotationToggle_.setSelected (true);
buttonPanel.add (annotationToggle_);
annotationToggle_.addActionListener (this);
topLevel.add (buttonPanel, BorderLayout.NORTH);
// Create the graphic canvas
GWindow window = new GWindow (new Color (245, 250, 236));
topLevel.add (window.getCanvas(), BorderLayout.CENTER);
// Create scene with default viewport and world extent settings
scene_ = new GScene (window, "Scene");
// Create som graphic objects
GObject testObject = new TestObject (20);
scene_.add (testObject);
pack();
setSize (new Dimension (500, 500));
setVisible (true);
}
/**
* Handle button interactions.
*
* @param event Event causing call to this method.
*/
public void actionPerformed (ActionEvent event)
{
Object source = event.getSource();
boolean showGeometry = geometryToggle_.isSelected();
boolean showAnnotation = annotationToggle_.isSelected();
if (showGeometry) scene_.setVisibility (GObject.DATA_VISIBLE);
else scene_.setVisibility (GObject.DATA_INVISIBLE);
if (showAnnotation) scene_.setVisibility (GObject.ANNOTATION_VISIBLE);
else scene_.setVisibility (GObject.ANNOTATION_INVISIBLE);
scene_.refresh();
}
/**
* Defines the geometry and presentation for the sample
* graphic object.
*/
private class TestObject extends GObject
{
private GSegment[] lines_;
TestObject (int nLines)
{
lines_ = new GSegment[nLines];
GStyle textStyle = new GStyle();
textStyle.setForegroundColor (new Color (0, 0, 0));
textStyle.setFont (new Font ("Dialog", Font.BOLD, 14));
for (int i = 0; i < nLines; i++) {
lines_[i] = new GSegment();
GStyle lineStyle = new GStyle();
lineStyle.setForegroundColor (new Color ((float) i / nLines, 0.7f, 0.7f));
lineStyle.setLineWidth (3);
lineStyle.setAntialiased (true);
lineStyle.setLineStyle (new float[] {10.0f, 5.0f, 2.0f, 5.0f});
lines_[i].setStyle (lineStyle);
addSegment (lines_[i]);
GText text = new GText ("Line " + (i+1), GPosition.BOTTOM | GPosition.CENTER);
text.setStyle (textStyle);
lines_[i].setText (text);
}
}
public void draw()
{
// Center of viewport
int x0 = (int) Math.round (getScene().getViewport().getCenterX());
int y0 = (int) Math.round (getScene().getViewport().getCenterY());
int width = (int) Math.round (getScene().getViewport().getWidth());
int height = (int) Math.round (getScene().getViewport().getHeight());
int nLines = lines_.length;
for (int i = 0; i < nLines; i++) {
int x1 = x0;
int y1 = 0;
int x2 = (int) Math.round ((double) width / nLines * i);
int y2 = height;
lines_[i].setGeometry (x1, y1, x2, y2);
}
}
}
public static void main (String[] args)
{
new Demo3();
}
}
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G-DrawRadiation.zip( 200 k)
