Interfacing function
eng

##
CURV_f

### File content

    function [x,y,typ]=CURV_f(job,arg1,arg2)

    // Copyright INRIA
    x=[];y=[];typ=[];
    select job
    case 'plot' then
      standard_draw(arg1)
    case 'getinputs' then
      [x,y,typ]=standard_inputs(arg1)
    case 'getoutputs' then
      [x,y,typ]=standard_outputs(arg1)
    case 'getorigin' then
      [x,y]=standard_origin(arg1)
    case 'set' then
      x=arg1
      model=arg1.model
      graphics=arg1.graphics
      rpar=model.rpar
      ipar=model.ipar
      n=ipar(1)
      xx=rpar(1:n);yy=rpar(n+1:2*n)
      gc=list(rpar(2*n+1:2*n+4),ipar(2:5))
      while %t do
        [ln,fun]=where();
        if or(fun == "clickin") then // cas standard
          old_win=xget('window')
          win=maxi(winsid())+1
          xset('window',win);xsetech([0 0 1 1])
          [xx,yy,ok,gc]=edit_curv(xx,yy,'axy',[' ',' ',' '],gc)
          xdel(win)
          xset('window',old_win)
        else
          ok=%t
        end // no need anymore to overload edit_curv in do_eval
        if ~ok then break,end
        n=size(xx,'*')
        if or(xx(2:n)-xx(1:n-1)<0) then
          message('You have not defined a function')
          ok=%f
        end
        if ok then
          model.sim='intplt'
          model.firing=[] //compatibility
          rect=gc(1)
          model.rpar=[xx(:);yy(:);rect(:)]
          axisdata=gc(2)
          model.ipar=[size(xx,'*');axisdata(:)]
          x.graphics=graphics;x.model=model
          break
        end
      end
    case 'define' then
      xx=[0;1;2];yy=[-5;5;0]
      rect=[0,-5,2,5];
      axisdata=[2;10;2;10]
      ipar=[size(xx,1);axisdata(:)]
      rpar=[xx;yy;rect(:)]
      model=scicos_model()
      model.sim='intplt'
      model.in=[]
      model.out=1
      model.rpar=[xx;yy;rect(:)]
      model.ipar=[size(xx,1);axisdata(:)]
      model.blocktype='c'
      model.dep_ut=[%f %t]

      gr_i=['rpar=arg1.model.rpar;n=model.ipar(1);';
        'thick=xget(''thickness'');xset(''thickness'',2);';
        'xx=rpar(1:n);yy=rpar(n+1:2*n);';
        'rect=rpar(2*n+1:2*n+4);';
        'mxx=rect(3)-rect(1);';
        'mxy=rect(4)-rect(2);';
        'xx=orig(1)+sz(1)*(1/10+(4/5)*((xx-rect(1))/mxx));';
        'yy=orig(2)+sz(2)*(1/10+(4/5)*((yy-rect(2))/mxy));';
        'xpoly(xx,yy,''lines'');';
        'xset(''thickness'',thick);']
      x=standard_define([2 2],model,[],gr_i)
    end
    endfunction