Files
harbour-core/contrib/hbct/screen2.c
2013-03-16 17:00:00 +01:00

480 lines
12 KiB
C

/*
* Harbour Project source code:
* CT3 video functions:
*
* SayDown(), SaySpread(), SayMoveIn(), ScreenStr(), StrScreen()
*
* Copyright 2007 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
*
* www - http://harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbapigt.h"
#include "hbdate.h"
HB_FUNC( SAYDOWN )
{
HB_SIZE nLen = hb_parclen( 1 );
if( nLen )
{
int iRow, iCol, iMaxRow, iMaxCol;
long lDelay;
lDelay = hb_parnldef( 2, 4 );
hb_gtGetPos( &iRow, &iCol );
if( HB_ISNUM( 3 ) )
iRow = hb_parni( 3 );
if( HB_ISNUM( 4 ) )
iCol = hb_parni( 4 );
iMaxRow = hb_gtMaxRow();
iMaxCol = hb_gtMaxCol();
if( iRow >= 0 && iCol >= 0 && iRow <= iMaxRow && iCol <= iMaxCol )
{
const char * szText = hb_parc( 1 );
HB_SIZE nTextLen = hb_parclen( 1 );
HB_WCHAR wc;
PHB_CODEPAGE cdp = hb_gtHostCP();
HB_SIZE nIndex = 0;
int iColor = hb_gtGetCurrColor();
if( nLen > ( HB_SIZE ) ( iMaxRow - iRow + 1 ) )
nLen = ( HB_SIZE ) ( iMaxRow - iRow + 1 );
hb_gtBeginWrite();
while( nLen-- )
{
if( HB_CDPCHAR_GET( cdp, szText, nTextLen, &nIndex, &wc ) )
hb_gtPutChar( iRow++, iCol, iColor, 0, wc );
else
break;
if( lDelay )
{
hb_gtEndWrite();
hb_idleSleep( ( double ) lDelay / 1000 );
hb_gtBeginWrite();
}
}
hb_gtEndWrite();
}
}
hb_retc_null();
}
static HB_WCHAR * ct_TextToWChar( const char * szText, HB_SIZE * pnLen )
{
HB_WCHAR wc;
PHB_CODEPAGE cdp = hb_gtHostCP();
HB_SIZE nIndex = 0, nI = 0;
HB_WCHAR * pwc = ( HB_WCHAR * ) hb_xgrab( *pnLen * sizeof( HB_WCHAR ) );
while( HB_CDPCHAR_GET( cdp, szText, *pnLen, &nIndex, &wc ) )
pwc[ nI ++ ] = wc;
*pnLen = nI;
return pwc;
}
HB_FUNC( SAYSPREAD )
{
HB_SIZE nLen = hb_parclen( 1 );
if( nLen )
{
HB_SIZE nPos, ul;
int iRow, iCol, iMaxRow, iMaxCol;
long lDelay;
lDelay = hb_parnldef( 2, 4 );
iMaxRow = hb_gtMaxRow();
iMaxCol = hb_gtMaxCol();
hb_gtGetPos( &iRow, &iCol );
if( HB_ISNUM( 3 ) )
iRow = hb_parni( 3 );
else
hb_gtGetPos( &iRow, &iCol );
iCol = HB_ISNUM( 4 ) ? hb_parni( 4 ) : ( iMaxCol >> 1 );
if( iRow >= 0 && iCol >= 0 && iRow <= iMaxRow && iCol <= iMaxCol )
{
const char * szText = hb_parc( 1 );
HB_WCHAR * pwc = ct_TextToWChar( szText, &nLen );
int iColor = hb_gtGetCurrColor();
nPos = nLen >> 1;
nLen = nLen & 1;
if( ! nLen )
{
nLen = 2;
--nPos;
}
hb_gtBeginWrite();
do
{
for( ul = 0; ul < nLen && iCol + ( int ) ul <= iMaxCol; ++ul )
hb_gtPutChar( iRow, iCol + ( int ) ul, iColor, 0, pwc[ nPos + ul ] );
nLen += 2;
if( lDelay )
{
hb_gtEndWrite();
hb_idleSleep( ( double ) lDelay / 1000 );
hb_gtBeginWrite();
}
}
while( nPos-- && iCol-- );
/* CT3 does not respect iCol in the above condition */
hb_gtEndWrite();
hb_xfree( pwc );
}
}
hb_retc_null();
}
HB_FUNC( SAYMOVEIN )
{
HB_SIZE nLen = hb_parclen( 1 );
if( nLen )
{
HB_SIZE nChars, ul;
int iRow, iCol, iMaxRow, iMaxCol, iNewCol;
long lDelay;
HB_BOOL fBack;
lDelay = hb_parnldef( 2, 4 );
fBack = hb_parl( 5 );
iMaxRow = hb_gtMaxRow();
iMaxCol = hb_gtMaxCol();
hb_gtGetPos( &iRow, &iCol );
if( HB_ISNUM( 3 ) )
iRow = hb_parni( 3 );
if( HB_ISNUM( 4 ) )
iCol = hb_parni( 4 );
if( iRow >= 0 && iCol >= 0 && iRow <= iMaxRow && iCol <= iMaxCol )
{
const char * szText = hb_parc( 1 );
HB_WCHAR * pwc = ct_TextToWChar( szText, &nLen );
HB_WCHAR * pText = pwc;
int iColor = hb_gtGetCurrColor();
iNewCol = iCol + nLen;
if( fBack )
iCol += nLen - 1;
else
pText += nLen - 1;
nChars = 1;
hb_gtBeginWrite();
do
{
if( fBack )
{
if( iCol <= iMaxCol )
{
for( ul = 0; ul < nChars; ++ul )
hb_gtPutChar( iRow, iCol + ( int ) ul, iColor, 0, pText[ ul ] );
}
--iCol;
}
else
{
for( ul = 0; ul < nChars; ++ul )
hb_gtPutChar( iRow, iCol + ( int ) ul, iColor, 0, pText[ ul ] );
--pText;
}
if( ( int ) nChars + iCol <= iMaxCol )
++nChars;
if( lDelay )
{
hb_gtEndWrite();
hb_idleSleep( ( double ) lDelay / 1000 );
hb_gtBeginWrite();
}
}
while( --nLen );
hb_gtSetPos( iRow, iNewCol );
hb_gtEndWrite();
hb_xfree( pwc );
}
}
hb_retc_null();
}
HB_FUNC( CLEARSLOW )
{
int iMaxRow = hb_gtMaxRow();
int iMaxCol = hb_gtMaxCol();
int iTop, iLeft, iBottom, iRight;
HB_UCHAR ucChar;
long lDelay;
lDelay = hb_parnl( 1 );
iTop = hb_parni( 2 );
iLeft = hb_parni( 3 );
iBottom = hb_parnidef( 4, iMaxRow );
iRight = hb_parnidef( 5, iMaxCol );
if( HB_ISNUM( 6 ) )
ucChar = ( HB_UCHAR ) hb_parni( 6 );
else if( HB_ISCHAR( 6 ) )
ucChar = ( HB_UCHAR ) hb_parc( 6 )[ 0 ];
else
ucChar = ( HB_UCHAR ) hb_gtGetClearChar();
if( iTop >= 0 && iLeft >= 0 && iTop <= iBottom && iLeft <= iRight )
{
char pszFrame[ 2 ];
int iColor = hb_gtGetCurrColor();
double dX, dY, dXX, dYY;
pszFrame[ 0 ] = ( char ) ucChar;
pszFrame[ 1 ] = '\0';
dX = iRight - iLeft + 1;
dY = iBottom - iTop + 1;
if( dX > dY )
{
dY /= dX;
dX = 1;
}
else
{
dX /= dY;
dY = 1;
}
dXX = dYY = 0;
hb_gtBeginWrite();
for( ;; )
{
hb_gtBoxEx( iTop, iLeft, iBottom, iRight, pszFrame, iColor );
if( lDelay )
{
hb_gtEndWrite();
hb_idleSleep( ( double ) lDelay / 1000 );
hb_gtBeginWrite();
}
if( iTop >= iBottom && iLeft >= iRight )
break;
if( iTop < iBottom )
{
dYY += dY;
if( dYY >= 1 )
{
iTop++;
if( iBottom > iTop )
iBottom--;
dYY -= 1;
}
}
if( iLeft < iRight )
{
dXX += dX;
if( dXX >= 1 )
{
iLeft++;
if( iRight > iLeft )
iRight--;
}
}
}
hb_gtEndWrite();
}
}
HB_FUNC( SCREENSTR )
{
int iRow, iCol, iMaxRow, iMaxCol, iC;
char * pBuffer, * szText;
HB_SIZE nSize, ulCount = HB_SIZE_MAX;
hb_gtGetPos( &iRow, &iCol );
if( HB_ISNUM( 1 ) )
iRow = hb_parni( 1 );
if( HB_ISNUM( 2 ) )
iCol = hb_parni( 2 );
if( HB_ISNUM( 3 ) )
ulCount = hb_parns( 3 );
iMaxRow = hb_gtMaxRow();
iMaxCol = hb_gtMaxCol();
if( iRow >= 0 && iRow <= iMaxRow && iCol >= 0 && iCol <= iMaxCol && ulCount )
{
nSize = ( HB_SIZE ) ( iMaxRow - iRow + 1 ) * ( iMaxCol - iCol + 1 );
if( nSize > ulCount )
nSize = ulCount;
ulCount = nSize;
nSize <<= 1;
szText = pBuffer = ( char * ) hb_xgrab( nSize + 1 );
do
{
iC = iCol;
do
{
int iColor;
HB_BYTE bAttr;
HB_USHORT usChar;
hb_gtGetChar( iRow, iC, &iColor, &bAttr, &usChar );
*szText++ = ( char ) usChar;
*szText++ = ( char ) iColor;
}
while( --ulCount && ++iC <= iMaxCol );
}
while( ulCount && ++iRow <= iMaxRow );
hb_retclen_buffer( pBuffer, nSize );
}
else
hb_retc_null();
}
HB_FUNC( STRSCREEN ) /* TODO: Unicode support */
{
HB_SIZE nLen = hb_parclen( 1 );
if( nLen & 1 )
nLen--;
if( nLen )
{
const char * szText = hb_parc( 1 );
int iRow, iCol, iMaxRow, iMaxCol, iC;
hb_gtGetPos( &iRow, &iCol );
if( HB_ISNUM( 2 ) )
iRow = hb_parni( 2 );
if( HB_ISNUM( 3 ) )
iCol = hb_parni( 3 );
iMaxRow = hb_gtMaxRow();
iMaxCol = hb_gtMaxCol();
if( iRow >= 0 && iRow <= iMaxRow && iCol >= 0 && iCol <= iMaxCol )
{
hb_gtBeginWrite();
do
{
iC = iCol;
do
{
HB_USHORT usChar = ( HB_UCHAR ) *szText++;
int iColor = ( HB_UCHAR ) *szText++;
hb_gtPutChar( iRow, iC, iColor, 0, usChar );
nLen -= 2;
}
while( nLen && ++iC <= iMaxCol );
}
while( nLen && ++iRow <= iMaxRow );
hb_gtEndWrite();
}
}
hb_retc_null();
}
/*
* __HBCT_DSPTIME() is helper functions for SHOWTIME()
*/
HB_FUNC( __HBCT_DSPTIME )
{
int iRow, iCol;
int iColor;
HB_SIZE nLen;
char szTime[ 10 ];
iRow = hb_parni( 1 );
iCol = hb_parni( 2 );
if( HB_ISNUM( 4 ) )
iColor = hb_parni( 4 );
else if( HB_ISCHAR( 4 ) )
{
iColor = hb_gtColorToN( hb_parc( 4 ) );
if( iColor == -1 )
iColor = 0;
}
else
iColor = hb_gtGetClearColor();
hb_dateTimeStr( szTime );
nLen = 8;
if( hb_parl( 3 ) )
nLen -= 3;
if( hb_parl( 5 ) )
{
int iHour = ( szTime[ 0 ] - '0' ) * 10 + ( szTime[ 1 ] - '0' );
if( hb_parl( 6 ) )
szTime[ nLen++ ] = iHour >= 12 ? 'p' : 'a';
if( iHour > 12 )
iHour -= 12;
else if( iHour == 0 )
iHour = 12;
szTime[ 0 ] = ( char ) ( iHour / 10 ) + '0';
szTime[ 1 ] = ( char ) ( iHour % 10 ) + '0';
}
if( szTime[ 0 ] == '0' )
szTime[ 0 ] = ' ';
hb_gtPutText( iRow, iCol, szTime, nLen, iColor );
}