Set Drawing Mode To XOR Example

  1. /*
  2. Set Drawing Mode To XOR Example
  3. This java example shows how to set drawing mode to XOR instead of overwrite
  4. mode using setXORMode method of Graphics class.
  5. */
  6.  
  7. import java.applet.Applet;
  8. import java.awt.Color;
  9. import java.awt.Graphics;
  10.  
  11.  
  12. /*
  13. <applet code="SetXORPaintModeExample" width=200 height=200>
  14. </applet>
  15. */
  16.  
  17. public class SetXORPaintModeExample extends Applet{
  18.  
  19. public void paint(Graphics g){
  20.  
  21. /*
  22. * usually, the new drwaing objects overwrites the previously
  23. * drawn objects. Setting drwaing mode to XOR mode makes sure
  24. * that the existing contents will always be displayed and will
  25. * be XORed with the new objects.
  26. *
  27. * To set mode to XOR mode, use
  28. * void setXORMode(Color c)
  29. * method of Graphics class.
  30. */
  31. //setForeground(Color.RED);
  32. g.setXORMode(Color.GRAY);
  33. g.fillRect(10,10,50,50);
  34. g.fillRect(20,30,50,50);
  35.  
  36. /*
  37. * To set overwrite mode, use
  38. * void setPaintMode()
  39. * method of Graphics class.
  40. */
  41. g.setPaintMode();
  42. }
  43. }

Example Output

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