Slide 50 - PNG § Session 06

PNG

Property PNG
Portable Network Graphic

Color System

Property	PNG Portable Network Graphic
Color System	8 bit indexed (256 colors) RGB (24 bit; millions of colors)
Compression	Lossless Compression
Other Features	`.png` file extension Transparency Animation through non-standard extension
Typical Uses	Any
Property	PNG Portable Network Graphic
Photograph 250 × 188 px	25.8 kb (indexed, 8-bit)	81.9 kb (RGB, 24-bit)
Illustration 148 × 179 px	1.02 kb (indexed, 8-bit)	1.89 kb (RGB, 24-bit)

Compression Lossless Compression

Other Features

Typical Uses

Property PNG
Portable Network Graphic

Photograph
250 × 188 px 25.8 kb (indexed, 8-bit) 81.9 kb (RGB, 24-bit)

Illustration
148 × 179 px 1.02 kb (indexed, 8-bit) 1.89 kb (RGB, 24-bit)

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