264 lines
8.6 KiB
C++
264 lines
8.6 KiB
C++
/*************************************************************************
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*
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* $RCSfile: vclxfont.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: mt $ $Date: 2002-07-12 13:41:47 $
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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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#include <toolkit/awt/vclxfont.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <toolkit/helper/macros.hxx>
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#include <cppuhelper/typeprovider.hxx>
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#include <rtl/memory.h>
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#include <rtl/uuid.h>
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#include <rtl/ustring.h>
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#include <vcl/outdev.hxx>
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// ----------------------------------------------------
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// class VCLXFont
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// ----------------------------------------------------
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VCLXFont::VCLXFont()
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{
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mpFontMetric = NULL;
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}
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VCLXFont::~VCLXFont()
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{
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delete mpFontMetric;
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}
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void VCLXFont::Init( ::com::sun::star::awt::XDevice& rxDev, const Font& rFont )
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{
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mxDevice = &rxDev;
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delete mpFontMetric;
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mpFontMetric = NULL;
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maFont = rFont;
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}
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BOOL VCLXFont::ImplAssertValidFontMetric()
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{
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if ( !mpFontMetric && mxDevice.is() )
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{
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OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
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if ( pOutDev )
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{
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Font aOldFont = pOutDev->GetFont();
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pOutDev->SetFont( maFont );
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mpFontMetric = new FontMetric( pOutDev->GetFontMetric() );
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pOutDev->SetFont( aOldFont );
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}
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}
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return mpFontMetric ? TRUE : FALSE;
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}
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// ::com::sun::star::uno::XInterface
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::com::sun::star::uno::Any VCLXFont::queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException)
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{
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::com::sun::star::uno::Any aRet = ::cppu::queryInterface( rType,
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SAL_STATIC_CAST( ::com::sun::star::awt::XFont*, this ),
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SAL_STATIC_CAST( ::com::sun::star::lang::XUnoTunnel*, this ),
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SAL_STATIC_CAST( ::com::sun::star::lang::XTypeProvider*, this ) );
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return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
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}
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// ::com::sun::star::lang::XUnoTunnel
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IMPL_XUNOTUNNEL( VCLXFont )
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// ::com::sun::star::lang::XTypeProvider
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IMPL_XTYPEPROVIDER_START( VCLXFont )
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getCppuType( ( ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFont>* ) NULL )
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IMPL_XTYPEPROVIDER_END
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::com::sun::star::awt::FontDescriptor VCLXFont::getFontDescriptor( ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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return VCLUnoHelper::CreateFontDescriptor( maFont );
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}
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::com::sun::star::awt::SimpleFontMetric VCLXFont::getFontMetric( ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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::com::sun::star::awt::SimpleFontMetric aFM;
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if ( ImplAssertValidFontMetric() )
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aFM = VCLUnoHelper::CreateFontMetric( *mpFontMetric );
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return aFM;
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}
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sal_Int16 VCLXFont::getCharWidth( sal_Unicode c ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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sal_Int16 nRet = -1;
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OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
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if ( pOutDev )
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{
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Font aOldFont = pOutDev->GetFont();
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pOutDev->SetFont( maFont );
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nRet = pOutDev->GetTextWidth( c );
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pOutDev->SetFont( aOldFont );
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}
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return nRet;
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}
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::com::sun::star::uno::Sequence< sal_Int16 > VCLXFont::getCharWidths( sal_Unicode nFirst, sal_Unicode nLast ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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::com::sun::star::uno::Sequence<sal_Int16> aSeq;
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OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
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if ( pOutDev )
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{
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Font aOldFont = pOutDev->GetFont();
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pOutDev->SetFont( maFont );
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sal_Int16 nCount = nLast-nFirst + 1;
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aSeq = ::com::sun::star::uno::Sequence<sal_Int16>( nCount );
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for ( USHORT n = 0; n < nCount; n++ )
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{
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aSeq.getArray()[n] = pOutDev->GetTextWidth( nFirst+n );
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}
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pOutDev->SetFont( aOldFont );
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}
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return aSeq;
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}
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sal_Int32 VCLXFont::getStringWidth( const ::rtl::OUString& str ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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sal_Int32 nRet = -1;
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OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
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if ( pOutDev )
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{
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Font aOldFont = pOutDev->GetFont();
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pOutDev->SetFont( maFont );
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nRet = pOutDev->GetTextWidth( str );
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pOutDev->SetFont( aOldFont );
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}
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return nRet;
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}
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sal_Int32 VCLXFont::getStringWidthArray( const ::rtl::OUString& str, ::com::sun::star::uno::Sequence< sal_Int32 >& rDXArray ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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sal_Int32 nRet = -1;
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OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
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if ( pOutDev )
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{
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Font aOldFont = pOutDev->GetFont();
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pOutDev->SetFont( maFont );
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rDXArray = ::com::sun::star::uno::Sequence<sal_Int32>( str.getLength() );
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nRet = pOutDev->GetTextArray( str, rDXArray.getArray() );
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pOutDev->SetFont( aOldFont );
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}
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return nRet;
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}
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void VCLXFont::getKernPairs( ::com::sun::star::uno::Sequence< sal_Unicode >& rnChars1, ::com::sun::star::uno::Sequence< sal_Unicode >& rnChars2, ::com::sun::star::uno::Sequence< sal_Int16 >& rnKerns ) throw(::com::sun::star::uno::RuntimeException)
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{
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::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
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OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
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if( pOutDev )
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{
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Font aOldFont = pOutDev->GetFont();
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pOutDev->SetFont( maFont );
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ULONG nPairs = pOutDev->GetKerningPairCount();
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if ( nPairs )
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{
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KerningPair* pData = new KerningPair[ nPairs ];
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pOutDev->GetKerningPairs( nPairs, pData );
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rnChars1 = ::com::sun::star::uno::Sequence<sal_Unicode>( nPairs );
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rnChars2 = ::com::sun::star::uno::Sequence<sal_Unicode>( nPairs );
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rnKerns = ::com::sun::star::uno::Sequence<sal_Int16>( nPairs );
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sal_Unicode* pChars1 = rnChars1.getArray();
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sal_Unicode* pChars2 = rnChars2.getArray();
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sal_Int16* pKerns = rnKerns.getArray();
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for ( ULONG n = 0; n < nPairs; n++ )
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{
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pChars1[n] = pData[n].nChar1;
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pChars2[n] = pData[n].nChar2;
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pKerns[n] = pData[n].nKern;
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}
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delete[] pData;
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}
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pOutDev->SetFont( aOldFont );
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}
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}
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