On Sat, 2007-10-13 at 12:46 +0300, Alexander Rabtchevich wrote:
> I use fading mostly after sharpening with refocus plug-in.  And when the 
> dialog initializes it has Replace mode set. But using fade operation 
> with replace mode has no effect! This has been confirmed by Guillermo 
> Espertino. So in order to obtain fading I have to change the mode to 
> Normal each time.
> I guess it doesn't matter what mode has been used by the plug-in before. 
> It does matter what for the dialog was designed - it was designed for 
> fading. And in the current state it does not work for me.

When a plug-in effect is applied to the image, this is done in "Replace"
mode. In contrast to "Normal mode" where pixels with an alpha value !=
255 are composited, "Replace" mode allows plug-ins to modifiy the alpha
channel directly.

It does matter a lot what mode has been used by the operation you are
fading. For the way the Fade operation is implemented, it is absolutely
necessary that the dialog is instantiated with the correct mode and the
opacity set to 100%. We can't change how the dialog works, at least not
without major changes. If you are unhappy with the Fade operation, feel
free to ignore it.


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