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