Chapter 4. Modifying Pictures Using Loops


[Page 76]

4.1

HOW PICTURES ARE ENCODED

4.2

MANIPULATING PICTURES

4.3

CHANGING COLOR VALUES

4.4

CONCEPTS SUMMARY


Chapter Learning Objectives

The media learning goals for this chapter are:

  • To understand how images are digitized by taking advantage of limits in human vision.

  • To identify different models for color, including RGB, the most common one for computers.

  • To manipulate color values in pictures, like increasing or decreasing red values.

  • To convert a color picture to grayscale, using more than one method.

  • To convert a color picture to its negative representation.

The computer science goals for this chapter are:

  • To introduce arrays.

  • To write object methods.

  • To do iteration with while and for loops.

  • To introduce comments.

  • To understand the scope of a variable name.

  • To introduce breaking a method into smaller methods.



Introduction to Computing & Programming Algebra in Java(c) A Multimedia Approach
Introduction to Computing & Programming Algebra in Java(c) A Multimedia Approach
ISBN: N/A
EAN: N/A
Year: 2007
Pages: 191

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