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Hi !

I'm completly newbie to photoshop plugin development and I have
several questions:

1) I want to know if it's possible to make a plugin that apply some
blending operation pixel-by-pixel between separate layers of the same
image (or separate images ?) and output the result into a single
image.
2) Can I write this kind of plugin with old versions (5 or 6) of the
official SDK and run it with latest version of PS (7 or CS) ?
3) Can I write this kind of plugin with an alternate tool (like
FilterMeister) ?
4) Additionnaly if someone can give me url references or samples
source code as a start point it will be a great help for me...

Thanks for your reply...
Marc.

In article <(E-Mail Removed) >, marc
<(E-Mail Removed)> wrote:

> I'm completly newbie to photoshop plugin development and I have
> several questions:

> 1) I want to know if it's possible to make a plugin that apply some
> blending operation pixel-by-pixel between separate layers of the same
> image (or separate images ?) and output the result into a single
> image.

A single filter plug-in cannot do this as filter plug-ins can only
access the current layer. However some developer have been able to
accomplish this via a combination of an automation plug-in and a hidden
filter plug-in that gets is invoked by the automation plug-in once for
each layer it needs to acces.

> 2) Can I write this kind of plugin with old versions (5 or 6) of the
> official SDK and run it with latest version of PS (7 or CS) ?

You will need Photoshop 6 or later to accomplish this - that is when
support for hidden plug-ins like this was added.

> 3) Can I write this kind of plugin with an alternate tool (like
> FilterMeister) ?

Not sure what that it.

> 4) Additionnaly if someone can give me url references or samples
> source code as a start point it will be a great help for me...

--marc

Thanks for your reply !

(E-Mail Removed) (marc) wrote in message news:<(E-Mail Removed). com>...
> Hi !
>
> I'm completly newbie to photoshop plugin development and I have
> several questions:
>
> 1) I want to know if it's possible to make a plugin that apply some
> blending operation pixel-by-pixel between separate layers of the same
> image (or separate images ?) and output the result into a single
> image.
> 2) Can I write this kind of plugin with old versions (5 or 6) of the
> official SDK and run it with latest version of PS (7 or CS) ?
> 3) Can I write this kind of plugin with an alternate tool (like
> FilterMeister) ?

FilterMeister (http://www.filtermeister.com/) is a very neat tool but
subject to the same limitations mentioned by Marc (a Filter plugin can
only access the current layer).

> 4) Additionnaly if someone can give me url references or samples
> source code as a start point it will be a great help for me...

I am sure Adobe is planning a new plugin API which will allow layer
access - then it will be straightforward... if you can afford the new
SDK and pass their background checks.

T

>
> Thanks for your reply...
> Marc.