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Beginning Java
Canvas in an appication
Rob MacKinnon
Greenhorn
Posts: 4
posted 21 years ago
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I'm looking for a good example of Canvas in an appication. Can anyone point me in the right direction.
thanks
rob
[ April 05, 2002: Message edited by: Rob MacKinnon ]
Dirk Schreckmann
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Posts: 7023
posted 21 years ago
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Here's a simple example:
import java.awt.Frame; import java.awt.FlowLayout; import java.awt.event.WindowListener; import java.awt.event.WindowEvent; class DeleteMe extends Frame implements WindowListener { public static void main(String args[]) { DeleteMe program = new DeleteMe(); program.setSize(500, 500); program.init(); program.setVisible(true); } private void init() { this.setLayout(new FlowLayout()); MyCanvas myCanvas = new MyCanvas(); myCanvas.setSize(100, 100); this.add(myCanvas); this.addWindowListener(this); } public void windowClosing(WindowEvent windowEvent) { System.exit(0); } public void windowOpened(WindowEvent windowEvent) {} public void windowClosed(WindowEvent windowEvent) {} public void windowIconified(WindowEvent windowEvent) {} public void windowDeiconified(WindowEvent windowEvent) {} public void windowActivated(WindowEvent windowEvent) {} public void windowDeactivated(WindowEvent windowEvent) {} }
import java.awt.Canvas; import java.awt.Graphics; import java.awt.Color; class MyCanvas extends Canvas { public void paint(Graphics g) { g.setColor(Color.red); g.drawLine(0, 0, 100, 100); } }
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