freepascal.compiler/tests/tbs/tbs0037.pp

{$ifdef go32v2}
{$define OK}
{$endif}
{$ifdef linux}
{$define OK}
{$endif}
{$ifdef win32}
{$define OK}
{$endif}

{$ifdef OK}
uses
   graph,
   crt;

var
   gd,gm,res : integer;
{$endif OK}

begin
{$ifdef OK}
   gd:=detect;
   initgraph(gd,gm,'');
   res := graphresult;
   if res <> grOk then
     begin
       graphErrorMsg(res);
       halt(1);
     end;
   setviewport(0,0,getmaxx,getmaxy,clipon);
   line(1,1,100,100);
   {readkey;}
   setgraphmode(m1024x768);
   setviewport(0,0,getmaxx,getmaxy,clipon);
   res := graphresult;
   if res <> grOk then
     begin
       closegraph;
       graphErrorMsg(res);
       { no error, graph mode is simply not supported }
       halt(0);
     end;
   line(100,100,1024,800);
   {readkey;}
   delay(1000);
   closegraph;
{$endif OK}
end.