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46 lines
1.5 KiB
46 lines
1.5 KiB
2 years ago
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C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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C=======================================================================
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LOGICAL FUNCTION GRABRT ()
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C=======================================================================
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C --*** GRABRT *** (GRPLIB) Check cancel function (PLT)
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C -- Written by Amy Gilkey - revised 04/28/87
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C --
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C --GRABRT checks the cancel flag. If it is set, it aborts pending
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C --graphics and returns the terminal to alphanumeric mode.
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C --In any case, the value of the cancel flag is returned as the
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C --function value.
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C --Routines Called:
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C -- CPUIFC - (PLTLIB) Check interrupt flag
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C -- PLTBEL - (PLTLIB) Ring bell
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C -- PLTBGN - (PLTLIB) Erase display surface
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C -- PLTFLU - (PLTLIB) Flush graphics buffer and set alphanumeric mode
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C -- GRSNAP - (GRPLIB) Handle device frame snapping
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LOGICAL CPUIFC
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C --Return cancel flag
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GRABRT = CPUIFC (.FALSE.)
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IF (GRABRT) THEN
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C --Abort plot that is being snapped
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CALL GRSNAP ('ABORT', 0)
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C --Flush buffer (do not erase screen), ring bell, set alphanumeric mode
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CALL PLTFLU
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CALL PLTBEL
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CALL PLTFLU
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C --Send abort message
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WRITE (*, '(1X, A)') '*** Plot set aborted ***'
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END IF
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RETURN
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END
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