Listings

• Listing 1. Modification of the SimplePicture class.
• Listing 2. Beginning of the class named Prob07Runner.
• Listing 3. Beginning of the constructor.
• Listing 4. Display the initial image.
• Listing 5. Display the butterfly at 50-percent opacity.
• Listing 6. The setOpacity method.
• Listing 7. The drawPictureOnPicture method.
• Listing 8. Begin the registration of an event handler on the slider.
• Listing 9. Draw the butterfly and repaint.
• Listing 10. Complete listing of Prob07.