flatten


Description:

[ Version ( since = "2.4" ) ]
public bool flatten ()

Remove the alpha channel from the layer if it has one.

This procedure removes the alpha channel from a layer, blending all (partially) transparent pixels in the layer against the background color. This transforms layers of type RGBA to RGB, GRAYA to GRAY, and INDEXEDA to INDEXED.

Parameters:

this

The layer.

Returns:

TRUE on success.