office-gobmx/toolkit/source/awt/vclxfont.cxx
2011-11-27 13:25:40 -06:00

253 lines
8.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#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;
}
sal_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 ? sal_True : sal_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::awt::XFont2*, 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::XFont2>* ) 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 = sal::static_int_cast< sal_Int16 >(
pOutDev->GetTextWidth( String(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 ( sal_uInt16 n = 0; n < nCount; n++ )
{
aSeq.getArray()[n] = sal::static_int_cast< sal_Int16 >(
pOutDev->GetTextWidth(
String(static_cast< sal_Unicode >(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 );
sal_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 ( sal_uLong n = 0; n < nPairs; n++ )
{
pChars1[n] = pData[n].nChar1;
pChars2[n] = pData[n].nChar2;
pKerns[n] = sal::static_int_cast< sal_Int16 >(pData[n].nKern);
}
delete[] pData;
}
pOutDev->SetFont( aOldFont );
}
}
// ::com::sun::star::awt::XFont2
sal_Bool VCLXFont::hasGlyphs( const ::rtl::OUString& aText )
throw(::com::sun::star::uno::RuntimeException)
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
String aStr( aText );
if ( pOutDev->HasGlyphs( maFont, aStr, 0, aStr.Len() ) == STRING_LEN )
{
return sal_True;
}
}
return sal_False;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */