Interfacing function
eng

SUM_f

File content

function [x,y,typ]=SUM_f(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[];
p=1 //pixel sizes ratio
select job
//**---------------------------------------------------------------------------
case 'plot' then
  wd = xget('wdim')
  graphics = arg1.graphics; 
  orig = graphics.orig,
  sz = graphics.sz
  orient = graphics.flip
  thick  =xget('thickness');
  xset('thickness',2)
  //** patt=xget('dashes');
  //** VIP: xset('dashes',default_color(1))
  rx = sz(1)*p/2
  ry = sz(2)/2
  gr_i = arg1.graphics.gr_i
  
  if type(gr_i)==15 then 
    xfarcs([orig(1);orig(2)+sz(2);sz(1)*p;sz(2);0;360*64],gr_i(2))
    gh_temp = gce();
    if gh_temp.type=='Compound' then
      gh_temp.children(1).foreground = default_color(1);
    else
      gh_temp.foreground = default_color(1);
    end
  end
  
  xarc(orig(1),orig(2)+sz(2),sz(1)*p,sz(2),0,360*64)
  gh_temp = gce(); 
  gh_temp.foreground = default_color(1);
  
  xsegs(orig(1)+rx*[1/2.3 1;2-1/2.3 1],orig(2)+ry*[1 2-1/2.3;1,1/2.3],0)
  gh_temp = gce(); 
  gh_temp.segs_color = [default_color(1), default_color(1)] ;
  
  xset('thickness',thick);
  if orient then  //standard orientation (port)
    out= [0  -1/14
          1/7    0
	  0   1/14]*3
    xfpoly(sz(1)*out(:,1)+orig(1)+sz(1)*p,sz(2)*out(:,2)+orig(2)+sz(2)/2,1)
    gh_temp = gce(); 
    gh_temp.foreground = default_color(1);
    gh_temp.background = default_color(1);
  else //tilded orientation
    out = [  0   -1/14
	   -1/7    0
 	    0   1/14]*3
    xfpoly(sz(1)*out(:,1)+orig(1),sz(2)*out(:,2)+orig(2)+sz(2)/2,1)
    gh_temp = gce(); 
    gh_temp.foreground = default_color(1);
    gh_temp.background = default_color(1);
  
  end
  //** xset('dashes',patt)
//**-----------------------------------------------------------------------------  
case 'getinputs' then
  graphics=arg1.graphics; 
  orig=graphics.orig,
  sz=graphics.sz
  orient=graphics.flip
  wd=xget('wdim');
  if orient then
    t=[%pi -%pi/2 0]
  else
    t=[%pi %pi/2 0]
  end
  r=sz(2)/2
  rx=r*p
  x=(rx*sin(t)+(orig(1)+rx)*ones(t))
  y=r*cos(t)+(orig(2)+r)*ones(t)
  typ=ones(x)
  case 'getoutputs' then
  graphics=arg1.graphics; 
  orig=graphics.orig,
  sz=graphics.sz
  orient=graphics.flip
  graphics=arg1.graphics
  wd=xget('wdim');
  if orient then
    t=%pi/2
    dx=sz(1)/7
  else
    t=-%pi/2
    dx=-sz(1)/7
  end
  r=sz(2)/2
  rx=r*p
  x=(rx*sin(t)+(orig(1)+rx)*ones(t))+dx
  y=r*cos(t)+(orig(2)+r)*ones(t)
  typ=ones(x)
case 'getorigin' then
  [x,y]=standard_origin(arg1)
case 'set' then
  x=arg1;
case 'define' then
  model=scicos_model()
  model.sim=list('plusblk',2)
  model.in=[-1;-1;-1]
  model.out=-1
  model.blocktype='c'
  model.dep_ut=[%t %f]

  gr_i=['rx=sz(1)*p/2;ry=sz(2)/2'
	'xsegs(orig(1)+rx*[1/2.3 1;2-1/2.3 1],orig(2)+ry*[1 2-1/2.3;1,1/2"+...
	" .3],0)']
  exprs=[]
  x=standard_define([1 1]/1.2,model,exprs,gr_i)
end
endfunction