1. Bitmap Image Editing B.Sc. (Hons) Multimedia ComputingMedia Technologies

2. Agenda Bitmapped Graphics Transformations Effects B.Sc. (Hons) Multimedia ComputingMedia Technologies

3. Bitmapped Graphics Allow for high-definition photorealistic images. Image encoded on a pixel by pixel basis. Image resolution degraded when scaled Supports lossless compressions algorithms File Formats -.BMP,.GIF,.JPG,.TIF.TGA Software Adobe Photoshop ( with ImageReady) Macromedia Fireworks PaintShop Pro (Shareware) B.Sc. (Hons) Multimedia ComputingMedia Technologies

4. True Colour Human eye can distinguish between 2 24 colours = 16 777 216 colours Thus any system giving >= 2 24 colours can be described as ‘Truecolour’ or Truecolor 24 bits per pixel yields true colour 16 bits per pixel often referred to as ‘High Colour’ B.Sc. (Hons) Multimedia ComputingMedia Technologies

5. Image Transformations Scaling Rotations Translations Refl ections (fliip) Skewing Freeform B.Sc. (Hons) Multimedia ComputingMedia Technologies

6. Translation B.Sc. (Hons) Multimedia ComputingMedia Technologies

7. Scaling B.Sc. (Hons) Multimedia ComputingMedia Technologies

8. Rotation B.Sc. (Hons) Multimedia ComputingMedia Technologies

9. Reflection (flip) B.Sc. (Hons) Multimedia ComputingMedia Technologies

10. Skewing B.Sc. (Hons) Multimedia ComputingMedia Technologies

11. Freeform (distort) B.Sc. (Hons) Multimedia ComputingMedia Technologies

12. Compositing Images B.Sc. (Hons) Multimedia ComputingMedia Technologies

13. Compositing Images B.Sc. (Hons) Multimedia ComputingMedia Technologies

14. Compositing Images B.Sc. (Hons) Multimedia ComputingMedia Technologies