[Gimp-user] GEGL Background in GIMP

[programmer_ceds <forums gimpusers com>]

> GIMP 2.8.4 Windows 7 64-bit
>
> Using the native GIMP rotate function to rotate a rectangular image
> about its centre (for instance) the corners of the image which are
> exposed by the rotation are set to RGB 0x000000 with an alpha value of
> 0.so that these areas are transparent.
>
> If the same operation is performed as a GEGL operation the corners
> have RGB values of 0x000000 but alpha values of 255 - i.e. they are
> solid black.
>
> Is there a setting to cause GEGL to use alpha values of 0 for these
> pixels?
>
> This also applies to GEGL operations such as shear.

Adding an alpha channel causes the areas exposed by the rotation to have a
graduated transparency. Problem solved.

-- 
programmer_ceds (via www.gimpusers.com/forums)