Processing bitmap images

In the learning material for the Student’s digital skills, you learned the basics of bitmap images. You will probably remember that each pixel in a bitmap has its own colour. Together, these coloured pixels form an image.

In this chapter, we will discuss the following features of image processing:

  • viewing images in an image-processing program
  • cropping and rotating images
  • changing the size of images
  • scanning images

There are various programs for handling bitmap images. Some well-known image-processing programs are Paint Shop Pro, Photoshop and GIMP (freeware). Here, we will use Paint Shop Pro in the examples. When you know how to use one program, you will easily be able to do the same things with other image-processing programs.