Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
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Question
Chapter 14, Problem 8SA
Program Plan Intro
ScaleTransition class:
- The “ScaleTransition” class makes a node larger or smaller over time.
- The constructors of class define different types of operations.
- The constructors in “ScaleTransition” class includes:
- ScaleTransition():
- It creates a “ScaleTransition” object that is empty.
- The “setDuration” method establishes animation’s duration.
- The “setNode” method specifies node that is to be animated.
- “ScaleTransition(duration)”
- The argument “duration” denotes lasting time duration for animation.
- The “setNode” method specifies node that is to be animated.
- “ScaleTransition(duration, node)”
- The argument “duration” denotes lasting time duration for animation.
- The “node” argument denotes the node to animate.
- ScaleTransition():
setFromX:
- The method “setFromX” is used to specify scale factor along X axis.
- It takes value of X coordinate as argument.
- It denotes the starting scale factor of the node.
setFromY:
- The method “setFromY” is used to specify scale factor along Y axis.
- It takes value of Y coordinate as argument.
- It denotes the starting scale factor of the node.
Example:
The example for “ScaleTransition” class and methods “setFromX” and “setFromY” is given below:
Circle cir = new Circle(0, 40, 20);
ScaleTransition trns = new ScaleTransition(new Duration(5000), cir)
trns.setFromX(1.0);
trns.setFromY(1.0);
trns.setToX(3.0);
Here, “cir” denotes an object of “Circle” class. The given code generates a circle with particular dimensions. The animation’s duration is 5 seconds. The circle is been displayed with scale factor of 1 initially and it increases to a scale factor of 3.
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Chapter 14 Solutions
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Ch. 14.1 - Prob. 14.1CPCh. 14.1 - Prob. 14.2CPCh. 14.1 - Prob. 14.3CPCh. 14.1 - Prob. 14.4CPCh. 14.1 - In what package is the Color class?Ch. 14.1 - Prob. 14.6CPCh. 14.1 - Prob. 14.7CPCh. 14.1 - Prob. 14.8CPCh. 14.1 - Prob. 14.9CPCh. 14.1 - Prob. 14.10CP
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