bitmap image editing b.sc. (hons) multimedia computingmedia technologies
Post on 20-Dec-2015
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Agenda
Bitmapped Graphics Transformations Effects
B.Sc. (Hons) Multimedia Computing
Media Technologies
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 Computing
Media Technologies
True Colour
Human eye can distinguish between 224
colours = 16 777 216 colours Thus any system giving >= 224 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 Computing
Media Technologies
Image Transformations
Scaling Rotations Translations Refl ections (fliip) Skewing Freeform
B.Sc. (Hons) Multimedia Computing
Media Technologies