/************************************************************************* * * $RCSfile: metric.cxx,v $ * * $Revision: 1.8 $ * * last change: $Author: kz $ $Date: 2003-10-15 10:02:36 $ * * 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): _______________________________________ * * ************************************************************************/ #include // ======================================================================= FontInfo::FontInfo() { mpImplMetric = new ImplFontMetric; mpImplMetric->mnRefCount = 1; mpImplMetric->meType = TYPE_DONTKNOW; mpImplMetric->mbDevice = FALSE; mpImplMetric->mnAscent = 0; mpImplMetric->mnDescent = 0; mpImplMetric->mnIntLeading = 0; mpImplMetric->mnExtLeading = 0; mpImplMetric->mnLineHeight = 0; mpImplMetric->mnSlant = 0; mpImplMetric->mnFirstChar = 0; mpImplMetric->mnLastChar = 0; } // ----------------------------------------------------------------------- FontInfo::FontInfo( const FontInfo& rInfo ) : Font( rInfo ) { mpImplMetric = rInfo.mpImplMetric; mpImplMetric->mnRefCount++; } // ----------------------------------------------------------------------- FontInfo::~FontInfo() { // Eventuell Metric loeschen if ( mpImplMetric->mnRefCount > 1 ) mpImplMetric->mnRefCount--; else delete mpImplMetric; } // ----------------------------------------------------------------------- FontInfo& FontInfo::operator=( const FontInfo& rInfo ) { Font::operator=( rInfo ); // Zuerst Referenzcounter erhoehen, damit man sich selbst zuweisen kann rInfo.mpImplMetric->mnRefCount++; // Sind wir nicht die letzten ? if ( mpImplMetric->mnRefCount > 1 ) mpImplMetric->mnRefCount--; else delete mpImplMetric; mpImplMetric = rInfo.mpImplMetric; return *this; } // ----------------------------------------------------------------------- BOOL FontInfo::operator==( const FontInfo& rInfo ) const { if ( !Font::operator==( rInfo ) ) return FALSE; if ( mpImplMetric == rInfo.mpImplMetric ) return TRUE; if ( (mpImplMetric->meType == rInfo.mpImplMetric->meType ) && (mpImplMetric->mbDevice == rInfo.mpImplMetric->mbDevice ) && (mpImplMetric->mnAscent == rInfo.mpImplMetric->mnAscent ) && (mpImplMetric->mnDescent == rInfo.mpImplMetric->mnDescent ) && (mpImplMetric->mnIntLeading== rInfo.mpImplMetric->mnIntLeading ) && (mpImplMetric->mnExtLeading== rInfo.mpImplMetric->mnExtLeading ) && (mpImplMetric->mnSlant == rInfo.mpImplMetric->mnSlant ) && (mpImplMetric->mnFirstChar == rInfo.mpImplMetric->mnFirstChar ) && (mpImplMetric->mnLastChar == rInfo.mpImplMetric->mnLastChar ) ) return TRUE; else return FALSE; } // ======================================================================= static const sal_UCS4 pDefaultRangeCodes[] = {0x0020,0xD800, 0xE000,0xFFF0}; FontCharMap::FontCharMap() : mpRangeCodes( NULL ) { ImplSetDefaultRanges(); } // ----------------------------------------------------------------------- FontCharMap::~FontCharMap() { ImplSetRanges( 0, NULL ); } // ----------------------------------------------------------------------- FontCharMap& FontCharMap::operator=( const FontCharMap& rMap ) { if( rMap.mpRangeCodes == pDefaultRangeCodes ) { ImplSetDefaultRanges(); } else { ULONG nPairs = rMap.mnRangeCount; sal_UCS4* pCodes = new sal_UCS4[ 2 * nPairs ]; for( ULONG i = 0; i < 2*nPairs; ++i ) pCodes[ i ] = rMap.mpRangeCodes[ i ]; ImplSetRanges( nPairs, pCodes ); } return *this; } // ----------------------------------------------------------------------- void FontCharMap::ImplSetRanges( ULONG nPairs, const sal_UCS4* pCodes ) { if( mpRangeCodes && mpRangeCodes != pDefaultRangeCodes ) delete[] const_cast( mpRangeCodes ); mnRangeCount = nPairs; mpRangeCodes = pCodes; mnCharCount = 0; for( int i = 0; i < nPairs; ++i ) mnCharCount += mpRangeCodes[ 2*i+1 ] - mpRangeCodes[ 2*i ]; } // ----------------------------------------------------------------------- void FontCharMap::ImplSetDefaultRanges() { int nCodes = sizeof(pDefaultRangeCodes) / sizeof(*pDefaultRangeCodes); ImplSetRanges( nCodes/2, pDefaultRangeCodes ); } // ----------------------------------------------------------------------- BOOL FontCharMap::IsDefaultMap() const { return (mpRangeCodes == pDefaultRangeCodes); } // ----------------------------------------------------------------------- void FontCharMap::GetRange( ULONG i, sal_UCS4& cBegin, sal_UCS4& cEnd ) const { if( i < 0 || i >= mnRangeCount ) { cBegin = pDefaultRangeCodes[ 0 ]; cEnd = pDefaultRangeCodes[ 1 ]; } else { cBegin = mpRangeCodes[ 2*i ]; cEnd = mpRangeCodes[ 2*i+1 ]; } } // ----------------------------------------------------------------------- int FontCharMap::ImplFindRange( sal_UCS4 cChar ) const { int nLower = 0; int nMid = mnRangeCount; int nUpper = 2 * mnRangeCount - 1; while( nLower < nUpper ) { if( cChar >= mpRangeCodes[ nMid ] ) nLower = nMid; else nUpper = nMid - 1; nMid = (nLower + nUpper + 1) / 2; } return nMid; } // ----------------------------------------------------------------------- BOOL FontCharMap::HasChar( sal_UCS4 cChar ) const { int nRange = ImplFindRange( cChar ); if( nRange==0 && cChar= GetLastChar() ) return GetLastChar(); int nRange = ImplFindRange( cChar ); if( nRange & 1 ) // inbetween ranges? return mpRangeCodes[ nRange + 1 ]; // first in next range return (cChar + 1); } // ----------------------------------------------------------------------- sal_UCS4 FontCharMap::GetPrevChar( sal_UCS4 cChar ) const { if( cChar <= GetFirstChar() ) return GetFirstChar(); if( cChar > GetLastChar() ) return GetLastChar(); int nRange = ImplFindRange( cChar ); if( nRange & 1 ) // inbetween ranges? return (mpRangeCodes[ nRange ] - 1); else if( cChar == mpRangeCodes[ nRange ] ) // first in prev range? return (mpRangeCodes[ nRange-1 ] - 1); return (cChar - 1); } // =======================================================================