SimplePNG

A simple PNG image library for Swift.

Features

• Write PNG files

General usage:

let image = Image(width: 300,
                  height: 200,
                  colorType: ColorType.rgb,
                  bitDepth: 8,
                  rows: rows)
        
try! image.write(to: URL(fileURLWithPath: "colorimage.png"))

The image data is stored in an array of rows. Each row is an array of bytes.