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GfxDemo2.javaAPI DocExample1177Thu Mar 25 21:34:32 GMT 2004None

GfxDemo2

public class GfxDemo2 extends Frame
Fancier, Canvas-based Graphics Demo for Learning Tree Course 471/478 We use a subclass of Canvas to do the drawing; GfxDemo2 merely creates a Frame and adds the Canvas to it!
author
Ian Darwin, http://www.darwinsys.com/

Fields Summary
Constructors Summary
GfxDemo2(String title, int w, int h)

		setTitle(title);

		// Start of Layout stuff (ignore until AWT GUI chapter!)
		GridBagLayout gbl = new GridBagLayout();
		setLayout(gbl);
		GridBagConstraints gbc = new GridBagConstraints();
		gbc.fill = GridBagConstraints.BOTH;
		gbc.anchor = GridBagConstraints.CENTER;
		gbc.weightx = gbc.weighty = 1.0;

		// Now create a GfxDemoCanvas and add it to the Frame.
		GfxDemoCanvas xyz = new GfxDemoCanvas(w, h);
		gbl.setConstraints(xyz, gbc);
		add(xyz);

		// Normal end ... pack it up!
		pack();
GfxDemo2(String title)

		this(title, 300, 300);
Methods Summary
public static voidmain(java.lang.String[] a)

		new GfxDemo2("Default Size").setVisible(true);
		new GfxDemo2("Smaller", 100, 100).setVisible(true);