I spent most of today trying to accomplish this type of plugin within photoshop, only to find out that it was not possible...so, I'd rather not have to go through the same thing with Gimp tomorrow..
In general what i'd like to accomplish is the following:
-poll the position of the brush on the canvas, or even better would be to receive notifications as to the position of the brush as it moves
-using this historical position to mathematically calculate a specific colour to use for the brush
Ideally I'd like to be able to just change the foreground colour of the brush, but still preserve artists ability to use different brush heads, opacties, etc...
So, just thought I'd be a bit more explicit in what I'm trying to accomplish before I jump into the code.
Please let me know if there's reason to believe that I won't be able to accomplish this kind of plugin without making changes throughout the core codebase.
Thanks
Rob
-----Original Message-----
From: Carol Spears [mailto:carol@xxxxxxxx]
Sent: Thu 1/26/2006 2:33 PM
To: Rob Krajcarski
Cc: GIMPDev
Subject: Re: Plugin brush tool
On Thu, Jan 26, 2006 at 11:21:49AM -0700, Rob Krajcarski wrote:
>
> I'm looking into writing a plugin for The Gimp where I could have strict
> control over the color that would be painted based on the direction of
> the stroke itself. From what I can see of the documentation only filter
> type plugins are available. Is this correct? Any thoughts, on where I
> can start looking for ideas on how I could implement this type of color
> controller?
>
there is a lot of control already available. you can make animated
brushes or you can paint with a gradient or just use colors from a
specific palette.
probably the best place to start would be at the gimps paint and brush
documentation.
carol
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