[GSoC proposal] Airbrush and Calligraphy paintops
boud at valdyas.org
Thu Mar 27 17:00:51 CET 2008
On Thu, 27 Mar 2008, Fela Winkelmolen wrote:
> I'm posting here a draft of my Google Summer of Code proposal, in case anybody
> has comments or suggestions
I think you need to add a bit more about yourself, you current skill level etc.
I also think you should try to be more specific about the goals, i.e, define more
closely what the airbrush and calligraphy effect would become. Otherwise, way cool!
> There are airbrushes that separate the function for air and paint flow (dual
> action airbrushes), but I'm not sure that makes sense in the digital version.
> Do wacom airbrushes support that?
I don't think so, although it's possible, I think, to abuse the pressure parameter
for that. But I don't have an airbrush device, so I cannot check that.
> I was also thinking about another parameter for the airbrush. My initial idea
> was to not simulate the single particles, mostly like the current airbrush
> looks like, but thinking more about it maybe we don't always want
> this "infinite granularity", but we want the particles to be actually seen.
> So the granularity might be configurable. Actually there may be the need of
> two parameters: size of the particles and opacity.
> When the particle size is 0 it will use something like the fuzzy circle, the
> opacity in that case will have the same effect as the rate. If for example
> the opacity is 100% and the particle size is one pixel if would look a bit
> like the airbrush of MS paint (if I remember correctly).
Yes, that's a cool idea.
> Another parameter might be how "blurred" the stamp is around the border, or,
> in the case of particles, how concentrated the particles are at the center
> compared to the border.
> Also the calligraphy tool may need to be a bit more sofisticated. The way it's
> described above it behaves mostly like the Inkscape calligraphy tool.
maybe add a "splicing" option -- if you use a real goose-feather nib, if you press
too hard, you get two lines instead of one. Also, check out the digital ink feature
of Corel Painter -- maybe we can use something similar here.
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