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Diffstat (limited to 'canvas/source/vcl/canvasfont.cxx')
| -rw-r--r-- | canvas/source/vcl/canvasfont.cxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/canvas/source/vcl/canvasfont.cxx b/canvas/source/vcl/canvasfont.cxx new file mode 100644 index 000000000000..d5b276901594 --- /dev/null +++ b/canvas/source/vcl/canvasfont.cxx @@ -0,0 +1,186 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: canvasfont.cxx,v $ + * $Revision: 1.10 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_canvas.hxx" + +#include <canvas/debug.hxx> + +#include <rtl/math.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <i18npool/mslangid.hxx> +#include <vcl/metric.hxx> + +#include "canvasfont.hxx" +#include "textlayout.hxx" + +using namespace ::com::sun::star; + + +namespace vclcanvas +{ + CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest, + const uno::Sequence< beans::PropertyValue >& , + const geometry::Matrix2D& rFontMatrix, + rendering::XGraphicDevice& rDevice, + const OutDevProviderSharedPtr& rOutDevProvider ) : + CanvasFont_Base( m_aMutex ), + maFont( Font( rFontRequest.FontDescription.FamilyName, + rFontRequest.FontDescription.StyleName, + Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ), + maFontRequest( rFontRequest ), + mpRefDevice( &rDevice ), + mpOutDevProvider( rOutDevProvider ) + { + maFont->SetAlign( ALIGN_BASELINE ); + maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE ); + maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? TRUE : FALSE ); + + // TODO(F2): improve panose->vclenum conversion + maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) ); + maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL ); + + maFont->SetLanguage(MsLangId::convertLocaleToLanguage(rFontRequest.Locale)); + + // adjust to stretched/shrinked font + if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) ) + { + OutputDevice& rOutDev( rOutDevProvider->getOutDev() ); + + const bool bOldMapState( rOutDev.IsMapModeEnabled() ); + rOutDev.EnableMapMode(FALSE); + + const Size aSize = rOutDev.GetFontMetric( *maFont ).GetSize(); + + const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 ); + double fStretch = (rFontMatrix.m00 + rFontMatrix.m01); + + if( !::basegfx::fTools::equalZero( fDividend) ) + fStretch /= fDividend; + + const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch ); + + maFont->SetWidth( nNewWidth ); + + rOutDev.EnableMapMode(bOldMapState); + } + } + + void SAL_CALL CanvasFont::disposing() + { + tools::LocalGuard aGuard; + + mpOutDevProvider.reset(); + mpRefDevice.clear(); + } + + uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException) + { + tools::LocalGuard aGuard; + + if( !mpRefDevice.is() ) + return uno::Reference< rendering::XTextLayout >(); // we're disposed + + return new TextLayout( aText, + nDirection, + nRandomSeed, + Reference( this ), + mpRefDevice, + mpOutDevProvider); + } + + rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( ) throw (uno::RuntimeException) + { + tools::LocalGuard aGuard; + + return maFontRequest; + } + + rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( ) throw (uno::RuntimeException) + { + tools::LocalGuard aGuard; + + OutputDevice& rOutDev = mpOutDevProvider->getOutDev(); + VirtualDevice aVDev( rOutDev ); + aVDev.SetFont(getVCLFont()); + const ::FontMetric& aMetric( aVDev.GetFontMetric() ); + + return rendering::FontMetrics( + aMetric.GetAscent(), + aMetric.GetDescent(), + aMetric.GetIntLeading(), + aMetric.GetExtLeading(), + 0, + aMetric.GetDescent() / 2.0, + aMetric.GetAscent() / 2.0); + } + + uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( ) throw (uno::RuntimeException) + { + tools::LocalGuard aGuard; + + // TODO(F1) + return uno::Sequence< double >(); + } + + uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( ) throw (uno::RuntimeException) + { + tools::LocalGuard aGuard; + + // TODO(F1) + return uno::Sequence< beans::PropertyValue >(); + } + +#define IMPLEMENTATION_NAME "VCLCanvas::CanvasFont" +#define SERVICE_NAME "com.sun.star.rendering.CanvasFont" + + ::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException ) + { + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); + } + + sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) + { + return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); + } + + uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames() throw( uno::RuntimeException ) + { + uno::Sequence< ::rtl::OUString > aRet(1); + aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); + + return aRet; + } + + ::Font CanvasFont::getVCLFont() const + { + return *maFont; + } +} |