ImageGear for .NET
Mask Channel
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ImageGear for .NET User Guide > Using ImageGear for .NET > Working with Spot Colors > Color Channels > Extra Channel > Mask Channel

Glossary Item Box

A Mask channel specifies a mask or selection in the image. There can be any number of mask channels per image. Images are never pre-multiplied by mask channels. In ImageGear, a Mask channel is a subtype of Extra channel. 

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