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- { ------------------------------------------------------------ }
- { UNIT GEMINIT }
- { (c) 1992 Pure Software GmbH }
- { }
- { the unit GemInit performs all init and exit stuff needed to }
- { execute a gem program. }
- { ------------------------------------------------------------ }
-
- unit GemInit;
-
- interface
-
- {$X+}
- uses gem;
-
- var
- vdiHandle, aesHandle : Integer;
- apID : Integer;
- workIn : workin_ARRAY;
- workOut : workout_ARRAY;
- charWidth, charHeight : Integer;
- boxWidth, boxHeight : Integer;
-
-
- function InitGem : Boolean;
- procedure ExitGem;
-
-
- implementation
-
- { ------------------------------------------------------------ }
- { this procedure ends up a gem program. }
- { ------------------------------------------------------------ }
-
- procedure ExitGem;
- begin
- v_clsvwk( vdiHandle );
- appl_exit;
- end;
-
-
- { ------------------------------------------------------------ }
- { this function initalizes the gem. it returns true if it was }
- { successful. }
- { ------------------------------------------------------------ }
-
- function InitGem : Boolean;
- var
- i : Integer;
- begin
- apID := appl_init;
- if apID >= 0 then
- begin
- aesHandle := graf_handle( charWidth, charHeight, boxWidth, boxHeight );
- workIn[0] := aesHandle;
- for i := 1 to workin_max - 1 do
- workIn[i] := 1;
- workIn[10] := 2;
-
- v_opnvwk( workIn, vdiHandle, workOut );
- if vdiHandle <= 0 then
- begin
- appl_exit;
- InitGem := False;
- end
- else
- InitGem := True;
- end
- else
- InitGem := False;
- end;
-
- end.
-
- { ============================================================ }
-