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/*************************************************************************
*
* $RCSfile: drawutil.cxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 16:45:08 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifdef PCH
#include "ui_pch.hxx"
#endif
#pragma hdrstop
// INCLUDE ---------------------------------------------------------------
#include <vcl/outdev.hxx>
#include "drawutil.hxx"
#include "document.hxx"
#include "global.hxx"
// STATIC DATA -----------------------------------------------------------
// -----------------------------------------------------------------------
inline Fraction MakeFraction( long nA, long nB )
{
return ( nA && nB ) ? Fraction(nA,nB) : Fraction(1,1);
}
void ScDrawUtil::CalcScale( ScDocument* pDoc, USHORT nTab,
USHORT nStartCol, USHORT nStartRow, USHORT nEndCol, USHORT nEndRow,
OutputDevice* pDev,
const Fraction& rZoomX, const Fraction& rZoomY,
double nPPTX, double nPPTY,
Fraction& rScaleX, Fraction& rScaleY )
{
USHORT i;
long nPixelX = 0;
long nTwipsX = 0;
long nPixelY = 0;
long nTwipsY = 0;
for (i=nStartCol; i<nEndCol; i++)
{
long nWidth = (long) pDoc->GetColWidth(i,nTab);
nTwipsX += nWidth;
nPixelX += (long) ( nWidth * nPPTX );
}
for (i=nStartRow; i<nEndRow; i++)
{
long nHeight = (long) pDoc->GetRowHeight(i,nTab);
nTwipsY += nHeight;
nPixelY += (long) ( nHeight * nPPTY );
}
MapMode aHMMMode( MAP_100TH_MM, Point(), rZoomX, rZoomY );
Point aPixelLog = pDev->PixelToLogic( Point( nPixelX,nPixelY ), aHMMMode );
rScaleX = MakeFraction( aPixelLog.X() * rZoomX.GetNumerator(),
(long) ( nTwipsX * HMM_PER_TWIPS * rZoomX.GetDenominator() ) );
rScaleY = MakeFraction( aPixelLog.Y() * rZoomY.GetNumerator(),
(long) ( nTwipsY * HMM_PER_TWIPS * rZoomY.GetDenominator() ) );
rScaleX.ReduceInaccurate( 14 );
rScaleY.ReduceInaccurate( 14 );
}
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