Re: [Fxruby-users] FXSegment question

[Joel V. <vj...@PA...>]

Fredrik Jagenheim wrote:
> Hi,
> 
> I'm going to draw an object which consists of three separate lines.
> 
> I thought of doing it like this:
> 
> (In initialize:)
> @segments = []
> @segments << FXSegment.new(x11, y11, x21, y21)
> @segments << FXSegment.new(x12, y12, x22, y22)
> @segments << FXSegment.new(x13, y13, x23, y23)
> (In draw:)
> gc.drawLineSegments(@segments)
> 
> I'm saving the segments list so I don't have to setup all the lines
> all the time (let's say they're hard to calculate).
> 
> This doesn't work, as FXSegments.new doesn't take arguments, so I'd
> probably have to do it like this:
> 
> segment = FXSegment.new
> segment.x1 = x11
> [...]
> @segments << segment
> segment = FXSegment.new
> [...]
> 
> But then I'd probably rewrite the earlier segment, so I have to:
> 
> segment1 = FXSegment.new
> segment1.x1 = x11
> [...]
> segments << segment1
> segment2 = FXSegment.new
> [...]
> 
> Which ends up quite verbose...
> 
> Does anyone have a better solution to this?
> 
> I thought of downloading the FXRuby source and patch FXSegment.new
> myself, but figured there probably was a better solution I couldn't
> see...

No need to patch, with ruby :) You could redefine FXSegment.new, or do 
something like:

class FXSegment # or put this in your own class or module
   def make_segment(x1,y1,x2,y2)
     seg = FXSegment.new
     seg.x1 = x11
     # etc.
     return seg
   end
end