9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
/*
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* xhb_SaveScreen(), xhb_RestScreen() functions
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbapi.h"
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#include "hbapigt.h"
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static void hb_getScreenRange( int * piMin, int * piMax,
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HB_BOOL fNoCheck, HB_BOOL fVertical )
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{
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int iFrom, iTo, iMax;
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if( fVertical )
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{
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iMax = hb_gtMaxRow();
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iFrom = hb_parni( 1 );
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iTo = hb_parnidef( 3, iMax );
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}
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else
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{
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iMax = hb_gtMaxCol();
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iFrom = hb_parni( 2 );
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iTo = hb_parnidef( 4, iMax );
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}
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if( iFrom < 0 )
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iFrom = 0;
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else if( iFrom > iMax && ! fNoCheck )
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iFrom = iMax;
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if( iTo < 0 )
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iTo = 0;
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else if( iTo > iMax && ! fNoCheck )
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iTo = iMax;
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if( iFrom > iTo )
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{
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*piMin = iTo;
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*piMax = iFrom;
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}
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else
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{
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*piMin = iFrom;
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*piMax = iTo;
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}
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}
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HB_FUNC( XHB_SAVESCREEN )
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{
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int iTop, iLeft, iBottom, iRight;
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HB_SIZE nSize;
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void * pBuffer;
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HB_BOOL fNoCheck = hb_parl( 5 );
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hb_getScreenRange( &iTop, &iBottom, fNoCheck, HB_TRUE );
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hb_getScreenRange( &iLeft, &iRight, fNoCheck, HB_FALSE );
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hb_gtRectSize( iTop, iLeft, iBottom, iRight, &nSize );
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pBuffer = hb_xgrab( nSize + 1 );
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hb_gtSave( iTop, iLeft, iBottom, iRight, pBuffer );
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hb_retclen_buffer( ( char * ) pBuffer, nSize );
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}
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HB_FUNC( XHB_RESTSCREEN )
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{
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if( HB_ISCHAR( 5 ) )
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{
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int iTop, iLeft, iBottom, iRight;
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HB_BOOL fNoCheck = hb_parl( 6 );
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hb_getScreenRange( &iTop, &iBottom, fNoCheck, HB_TRUE );
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hb_getScreenRange( &iLeft, &iRight, fNoCheck, HB_FALSE );
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hb_gtRest( iTop, iLeft, iBottom, iRight, hb_parc( 5 ) );
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}
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}
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