Files
libreoffice/toolkit/source/awt/vclxfont.cxx
2002-07-12 12:41:47 +00:00

264 lines
8.6 KiB
C++

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