[Gambas-user] is there an example for generating curves

[Julio Sanchez]

Ok Fabien :)

Regards,

Julio

2015-01-12 22:48 GMT+01:00 Fabien Bodard <gambas.fr at ...626...>:

> Hi julio :
>
> Public Struct PuntoBezier
>   x As Float
>   y As Float
> End Struct
>
> You can use PointF class for that
>
>
> Dim p as PointF
>
> 2015-01-12 22:21 GMT+01:00 Julio Sanchez <jusabejusabe at ...626...>:
> > rolf:
> >
> > Here's an example of drawing Bezier curves
> >
> >
> http://jsbsan.blogspot.com.es/2014/07/dibujando-una-curva-bezier-de-mas-de-3.html
> >
> >
> > Regards,
> >
> > Julio
> >
> > 2015-01-12 14:02 GMT+01:00 Fabien Bodard <gambas.fr at ...626...>:
> >
> >> Better than words, this is a demo !
> >>
> >> 2015-01-12 12:22 GMT+01:00 Fabien Bodard <gambas.fr at ...626...>:
> >> > Well.. you need two things in fact . first you can use an array of
> point
> >> :
> >> >
> >> > Private $aPoints as new Point[]
> >> >
> >> >
> >> > Then you add in real time your points :
> >> >
> >> > $apoint.add(point(x,y))
> >> > and query the redraw of the drawing area
> >> >
> >> > MyDA.refresh
> >> >
> >> >
> >> > Public sub MyDA_Draw()
> >> >
> >> >   dim i as integer
> >> >
> >> > for i=0 to $aPoints.max -1 step 2
> >> >
> >> >   draw.line($apoint[i].x$apoint[i].y,$apoint[i+1].x,$apoint[i+1].y)
> >> >
> >> > next
> >> >
> >> > end
> >> >
> >> >
> >> > You ca doing the same fr the second drawing area and of ourse a second
> >> > point array.
> >> >
> >> > Don't forget that in gambas many of the control don't store datas,
> >> > they are just viewer.
> >> > You need some array to store datas and then use them to draw.
> >> >
> >> > Each time drawing area is refreshing you need to redraw the full curve
> >> > .(and all things to draw is the view)
> >> >
> >> > Regards,
> >> >
> >> > Fabien Bodard
> >> >
> >> > 2015-01-12 10:06 GMT+01:00 rolf <rolf.frogs at ...221...>:
> >> >> Hi,
> >> >>
> >> >> I can manage to draw curves of measured values, when they arrive i.e.
> >> the
> >> >> curve has to be extendet up to 50 times. And a second measurement
> >> session
> >> >> should be drawn in a second drawarea.
> >> >>
> >> >> The gambas documentation about drawarea is not really helpfull in
> this
> >> case.
> >> >>
> >> >> Is there an example where I can see how to handle two drawing areas
> and
> >> add
> >> >> points or lines in them (I think I have to use the cache, but can't
> see
> >> what
> >> >> is drawn).
> >> >>
> >> >> Many thanks for any help
> >> >> Rolf
> >> >>
> >> >>
> >>
> ------------------------------------------------------------------------------
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> >> >
> >> >
> >> >
> >> > --
> >> > Fabien Bodard
> >>
> >>
> >>
> >> --
> >> Fabien Bodard
> >>
> >>
> >>
> ------------------------------------------------------------------------------
> >> New Year. New Location. New Benefits. New Data Center in Ashburn, VA.
> >> GigeNET is offering a free month of service with a new server in
> Ashburn.
> >> Choose from 2 high performing configs, both with 100TB of bandwidth.
> >> Higher redundancy.Lower latency.Increased capacity.Completely compliant.
> >> vanity: www.gigenet.com
> >> _______________________________________________
> >> Gambas-user mailing list
> >> Gambas-user at lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/gambas-user
> >>
> >>
> >
> ------------------------------------------------------------------------------
> > New Year. New Location. New Benefits. New Data Center in Ashburn, VA.
> > GigeNET is offering a free month of service with a new server in Ashburn.
> > Choose from 2 high performing configs, both with 100TB of bandwidth.
> > Higher redundancy.Lower latency.Increased capacity.Completely compliant.
> > www.gigenet.com
> > _______________________________________________
> > Gambas-user mailing list
> > Gambas-user at lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gambas-user
>
>
>
> --
> Fabien Bodard
>
>
> ------------------------------------------------------------------------------
> New Year. New Location. New Benefits. New Data Center in Ashburn, VA.
> GigeNET is offering a free month of service with a new server in Ashburn.
> Choose from 2 high performing configs, both with 100TB of bandwidth.
> Higher redundancy.Lower latency.Increased capacity.Completely compliant.
> www.gigenet.com
> _______________________________________________
> Gambas-user mailing list
> Gambas-user at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gambas-user
>