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54 lines
1.6 KiB
ObjectPascal
54 lines
1.6 KiB
ObjectPascal
program screen_demo;
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{---------------------------------------------------------------------------
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CncWare
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(c) Copyright 2000
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---------------------------------------------------------------------------
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Filename..: screen_demo.pp
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Programmer: Ken J. Wright
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Date......: 08/24/2000
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Purpose - Demonstrate Linux screen saving/restoring with oCrt.
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-------------------------------<< REVISIONS >>--------------------------------
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Ver | Date | Prog| Description
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-------+----------+-----+----------------------------------------------------
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1.00 | 08/24/00 | kjw | Initial Release.
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------------------------------------------------------------------------------
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}
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uses ocrt;
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var
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i,j : integer;
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pb : pnScreenBuf;
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begin
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For i := 1 to 24 Do Begin
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TextColor(i);
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For j := 1 to 79 Do Write(chr(j+32));
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writeln;
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End;
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nGrabScreen(pb);
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Write('screen stored, press a key to clear');readkey;
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NormVideo;
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ClrScr;
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Write('press a key to restore previous screen');readkey;
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nPopScreen(pb);
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GotoXY(1,nMaxRows);
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Write('press a key to restore to a smaller window');readkey;
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ClrScr;
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Window(10,5,70,20);
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nPopScreen(pb);
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Window(1,1,nMaxCols,nMaxRows);
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GotoXY(1,nMaxRows);
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Write('press a key to offset stored screen');readkey;
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ClrScr;
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nPopScreen(pb,5,3);
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GotoXY(1,nMaxRows);
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Write('press a key to restore a portion of this screen in multiple ');readkey;
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nGrabScreen(pb,5,3,8,10);
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ClrScr;
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For i := 0 to 7 Do For j := 0 to 1 Do
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nPopScreen(pb,i*10+1,j*12+1);
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GotoXY(1,nMaxRows);
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{ make sure to clean up! }
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nReleaseScreen(pb);
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end.
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