function opt=setoption(command, opt)
%SETOPTION Set the SelOBj (selected object) properties

%
% Copyright (c) 1995 by Claudio Rivetti and Mark Young
% claudio@alice.uoregon.edu,    mark@alice.uoregon.edu
%

global SelObj Handlefig

co=0;
if isempty(SelObj) | ~isobj(SelObj)
  SelObj=gco;
  co=1;
end

for i=1:length(SelObj)

if strcmp(upper(command), 'LINESTYLE')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'LINE PLOT SURFACE'))
    set(SelObj(i), 'LineStyle', opt);
  end
end

if strcmp(upper(command), 'LINEWIDTH')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'LINE PLOT SURFACE PATCH'))
    if opt == 0
      opt=asknumber(get(SelObj(i), 'LineWidth'), 0.5, 36, 'Line Width');
    end
    set(SelObj(i), 'LineWidth', opt);
  end
end

if strcmp(upper(command), 'PENCOLOR')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'LINE PLOT TEXT'))
    if strcmp(upper(opt), 'DEFINE')
      opt=definergb(get(SelObj(i), 'Color'));
    end
    set(SelObj(i), 'Color', opt);
  end
end

if strcmp(upper(command), 'PENCOLOR')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'SURFACE PATCH'))
    if strcmp(upper(opt), 'DEFINE')
      opt=definergb(get(SelObj(i), 'EdgeColor'));
    end
    set(SelObj(i), 'EdgeColor', opt);
  end
end


if strcmp(upper(command), 'FILLCOLOR')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'SURFACE PATCH'))
    if strcmp(upper(opt), 'DEFINE')
      opt=definergb(get(SelObj(i), 'FaceColor'));
    end
    set(SelObj(i), 'FaceColor', opt);
  end
end

if strcmp(upper(command), 'FONTNAME')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'TEXT'))
    set(SelObj(i), 'FontName', opt);
  end
end

if strcmp(upper(command), 'FONTSTYLE')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'TEXT'))
    if strcmp(upper(opt), 'PLAIN')
      set(SelObj(i), 'FontWeight', 'Normal', 'FontAngle', 'normal');
    else if strcmp(upper(opt), 'ITALIC') | strcmp(upper(opt), 'OBLIQUE')
      set(SelObj(i), 'FontAngle', opt);
    else
      set(SelObj(i), 'FontWeight', opt);
    end
    end
  end
end

if strcmp(upper(command), 'FONTSIZE')
  if ~isempty(findstr(upper(get(SelObj(i), 'type')), 'TEXT'))
    if opt == 0
      opt=asknumber(get(SelObj(i), 'FontSize'), 6, 122, 'Font Size');
    end
    set(SelObj(i), 'FontSize', opt);
  end
end

end % FOR

if co
  SelObj=[];
end

return