Chapter 13, Problem 6PC

Program Plan Intro

Opacity Adjuster

Program Plan:

• The details of “OpacityAdjuster” class is shown below:
  • The method “start()” in “OpacityAdjuster” defines variables for opacity adjuster.
  • The image view object is been created using “ImageView” class.
  • The file chooser object is been created using “FileChooser” class.
  • The path of file is been set using “getPath()” method.
  • Define slider controls using “Slider” class.
  • The method “setShowTickMarks” and “setShowTickLabels” defines visual appearance of slider.
  • The method “setMajorTickUnit” sets value of property “majorTickUnit”.
  • The image view and opacity slider objects are placed in VBox.
  • The VBox is been added to scene.
  • Display the result.