have a look at roassal because mathieu started to implement something and he realized it was already in the image.
On Nov 23, 2013, at 3:20 PM, kilon alios <kilon.al...@gmail.com> wrote: > aaaaaahhh come on ... I am not THAT lazy :D > > of course I have searched it before asking. Unless I am blind I see loads of > bezier methods, none that detects whether a point belong to a curve. But now > you mention it I think I remember squeak was able to do add points to a curve > via click or something similar, because thats what I wan to do. So I will > take a look at it , most probably there is a method in there that does this. > > I want the user to click on a curve or line and there a new control point > will be placed that will allow the user to shape the line or curve to a finer > detail. A standard feature for all vector editors , 3d editors, even image > editors. > > I am sorry if I miss something obvious here, its not laziness , its most > likely stupidity or just the fact I am very new with this. This is the first > time I try to make a vector editor.Again thank you all for trying to help me, > you have done already a lot. > > > On Sat, Nov 23, 2013 at 3:38 PM, Stéphane Ducasse <stephane.duca...@inria.fr> > wrote: > > > On Nov 23, 2013, at 11:24 AM, kilon alios <kilon.al...@gmail.com> wrote: > >> would I sound too lazy to ask in which class ? >> >> >> On Sat, Nov 23, 2013 at 11:35 AM, Stéphane Ducasse >> <stephane.duca...@inria.fr> wrote: >> there are bezier algo in the system >> >> Stef >> >> On Nov 20, 2013, at 9:55 PM, kilon alios <kilon.al...@gmail.com> wrote: >> >>> yes I found the formula for straight lines and I was wondering what was the >>> one for bezier curves, so your reply could not have come a better moment. >>> Thanks I will study it and implement it. >>> >>> >>> On Wed, Nov 20, 2013 at 9:21 PM, Hilaire Fernandes >>> <hilaire.fernan...@gmail.com> wrote: >>> Hello, >>> >>> You may want to calculate the distance between the mouse position and >>> your path (I guess a bezier curve). Then given this distance and a >>> tolerance to zero you decide if the mouse position is more or less on >>> your path. Calculating the distance you will also get for free the place >>> where to add a point on your path. >>> >>> http://blog.gludion.com/2009/08/distance-to-quadratic-bezier-curve.html >>> >>> Hilaire >>> >>> >>> Le 14/11/2013 21:07, kilon alios a écrit : >>> > In order to do that I will have to check that the line passes through a >>> > specific pixel. Or to be more correct that the place that mouse has >>> > clicked is where my path passes through. How I do that ? Can Athens do >>> > that ? Can athens tell me which pixels my path passes through ? >>> > >>> >>> >>> -- >>> Dr. Geo http://drgeo.eu >>> >>> >>> >> >> > > >
