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All Projects → bmaslakov → cocoa-close-pixelate

bmaslakov / cocoa-close-pixelate

Licence: MIT license
Cocoa port of https://github.com/desandro/close-pixelate

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ioscocoapodsbitmappixelatorpixelatecocoa-port

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View All Similar Projects ➔

cocoa-close-pixelate

License: MIT Bintray

This simple library allows you to easily create and combine various pixelation effects.

Based on a wonderful script by David DeSandro: close-pixelate.desandro.com.

You may be also be interested in the Android/Java version of the library.

Examples
Officer-old Officer-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.diamond, resolution: 48, size: 50),
                        PixelateLayer(.diamond, resolution: 48, offset: 24),
                        PixelateLayer(.diamond, resolution: 8, size: 6))
Stanley-old Stanley-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.square, resolution: 32),
                        PixelateLayer(.circle, resolution: 32, offset: 15),
                        PixelateLayer(.circle, resolution: 32, size: 26, offset: 13),
                        PixelateLayer(.circle, resolution: 32, size: 18, offset: 10),
                        PixelateLayer(.circle, resolution: 32, size: 12, offset: 8))
Stanley-old Stanley-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.square, resolution: 48),
                        PixelateLayer(.diamond, resolution: 48, offset: 12, alpha: 0.5),
                        PixelateLayer(.diamond, resolution: 48, offset: 36, alpha: 0.5),
                        PixelateLayer(.diamond, resolution: 16, size: 8, offset: 4))
Tony-old Tony-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.circle, resolution: 32, size: 6, offset: 8),
                        PixelateLayer(.circle, resolution: 32, size: 9, offset: 8),
                        PixelateLayer(.circle, resolution: 32, size: 12, offset: 24),
                        PixelateLayer(.circle, resolution: 32, size: 9, offset: 0))
Wonder-old Wonder-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.diamond, resolution: 24, size: 25),
                        PixelateLayer(.diamond, resolution: 24, offset: 12),
                        PixelateLayer(.square, resolution: 24, alpha: 0.6))
Anita-old Anita-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.square, resolution: 32),
                        PixelateLayer(.circle, resolution: 32, offset: 16),
                        PixelateLayer(.circle, resolution: 32, offset: 0, alpha: 0.5),
                        PixelateLayer(.circle, resolution: 16, size: 9, offset: 0, alpha: 0.5))
Giraffe-old Giraffe-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.circle, resolution: 24),
                        PixelateLayer(.circle, resolution: 24, size: 9, offset: 12))
Kendra-old Kendra-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.square, resolution: 48, offset: 12),
                        PixelateLayer(.circle, resolution: 48, offset: 0),
                        PixelateLayer(.diamond, resolution: 16, size: 15, offset: 0, alpha: 0.6),
                        PixelateLayer(.diamond, resolution: 16, size: 15, offset: 8, alpha: 0.6))
Gavin-old Gavin-new 
Pixelate.create(pixels: bitmap,
                layers: PixelateLayer(.square, resolution: 48),
                        PixelateLayer(.diamond, resolution: 12, size: 8),
                        PixelateLayer(.diamond, resolution: 12, size: 8, offset: 6))

Download

The library is available via cocoapods:

pod 'ClosePixelate', '1.1.2'

Usage

There are several Pixelate.create* methods in the Pixelate class, allowing to create a pixelated bitmap from CGImage:

let pixelated = Pixelate.create(pixels: bitmap,
                                layers: PixelateLayer(.square, resolution: 48),
                                        PixelateLayer(.diamond, resolution: 48, offset: 12, alpha: 0.5),
                                        PixelateLayer(.diamond, resolution: 48, offset: 36, alpha: 0.5),
                                        PixelateLayer(.diamond, resolution: 16, size: 8, offset: 4))

You also can draw directly on a bitmap or on a canvas, using Pixelate.render* methods.

There are three basic layer types:

Original Square Diamond Circle
jamie simple-lo-square simple-lo-diamond simple-lo-circle

You can change size, resolution, offset and alpha parameters of each layer:

resolution = 10 resolution = 25 resolution = 20, size = 50, alpha = 0.5
simple-lo-square simple-hi-square jamie-new

You can also combine several layers into one image:

square, resolution = 25 diamond, resolution = 10
simple-hi-square + simple-lo-diamond = sample-multilayer
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