Method Description

GraphicImage.alphaPreserve()

Configure how the GraphicImage will serialise alpha channel information on save

Syntax

GraphicImage = GraphicImage.alphaPreserve()

Parameters

The 'GraphicImage.alphaPreserve' method takes no parameters

Results

The 'GraphicImage.alphaPreserve' method returns GraphicImage:

Remarks

By default full alpha channel information is not preserved when exporting (saving) an image.

Call this method with 'true' will cause all information to preserved in the saved image.

This is particularly useful when manipulating PNG format images with alpha channel information.