Looks like PostworkShop is another user of the MyPaint brush engine.
Screenshot: http://maxy.homeip.net/misc/PostworkShop.jpg
If anyone is interested in trying it, feel free to use the keys in the mail
below. (Email forwarded with permission.)

----- Forwarded message from Bela Biro <[email protected]> -----

Date: Fri, 11 Mar 2011 10:35:34 +0100
From: Bela Biro <[email protected]>
To: 'Martin Renold' <[email protected]>
Subject: RE: MyPaint brush engine

Hi Martin,

 

We released the public beta of PostworkShop 2.0, that contains a version of
the MyPaint brush engine, ported to the multi-platform Juce framework. The
port is not perfect, we do not handle well a few dynamic brush properties,
especially the stylus pressure, because this information is missing from
Juce, we will have to write it ourselves.

 

On the other hand, because the editor integrates into a filter graph as a
filter node, a few interesting workflows become available, like cloning (on
a white or transparent canvas, picking up the colors from the input pin of
the filter node) or displaying a reference image as a painting guide.

 

We also use scanned brush tips in the editor, but this is currently a
separate engine, with a lot of redundant code (e.g. geometric and color
jitters). In the future we will try to unify the two processing pipelines,
if possible.

 

I attached a screen capture of the editor, displaying also the about box (I
hope your presence there is OK). The image shows a photo processed by a
Simple Watercolor filter, followed by the bitmap editor node. On the left
side of the image I played with the hard contours using a MyPaint based
chalk brush, in clone mode.

 

If you, your team members or maybe your artist friends want to play with the
program, you can download the beta from our site (postworkshop.net). I also
generated a few PostworkShop Pro serial numbers for you, to distribute as
needed (one serial allows three parallel activations):

 

PWSP-JR44-J2PG-AHDK-2WGF-5RM9

PWSP-E47D-LGPF-N6J3-TK73-4KR1

[cut one key]

 

Thanks again for your team's great work with the engine!

 

Best,

 

Bela Biro

 

 

 

From: Martin Renold [mailto:[email protected]] 
Sent: Thursday, December 02, 2010 6:42 PM
To: Bela Biro
Cc: [email protected]
Subject: Re: MyPaint brush engine

 

Hi Bela

On Wed, Dec 01, 2010 at 09:14:03PM +0100, Bela Biro wrote:
> Hi Martin.
>
> thanks for your quick reply.
>
> We used only the engine, but is was modified a little because we use the
> Juce multi-platform framework, so a few changes were necessary for easier
> integration.  We also implement a Painter style cloning feature, so the
> color pickup can be redirected to the cloning source image instead of the
> actual drawing surface (I think this is still under development).
>
> Of course, you please feel free to post my mail to the public list, I
> asked your opinion because we do not want to hide it from anybody.
>
> As I said we wish to mention it in the About box and on our web site
> (manual painting will be a new 2.0 feature).  Also we did not write any
> brush editors yet, so we will probably point interested people to MyPaint
> if they want to create new brushes (we keep your brush file format).
>
> I also wish to ask you how do you want the credits appear? Brush engine by
> Martin Renold or Brush engine by the MyPaint development team or any
> combinations of these?

If you decide to keep it, you could use the same phrase as in the MyPaint
about dialog box, eg "Brush engine by Martin Renold and the MyPaint
Development Team".

--
Martin Renold 

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----- End forwarded message -----

-- 
Martin Renold

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