178 lines
6.4 KiB
C++
178 lines
6.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <canvas/debug.hxx>
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#include <com/sun/star/rendering/PanoseProportion.hpp>
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#include <rtl/math.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <vcl/metric.hxx>
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#include <i18npool/mslangid.hxx>
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#include "cairo_canvasfont.hxx"
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#include "cairo_textlayout.hxx"
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using namespace ::com::sun::star;
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namespace cairocanvas
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{
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CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest,
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const uno::Sequence< beans::PropertyValue >& /*rExtraFontProperties*/,
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const geometry::Matrix2D& rFontMatrix,
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const SurfaceProviderRef& rDevice ) :
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CanvasFont_Base( m_aMutex ),
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maFont( Font( rFontRequest.FontDescription.FamilyName,
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rFontRequest.FontDescription.StyleName,
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Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ),
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maFontRequest( rFontRequest ),
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mpRefDevice( rDevice )
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{
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maFont->SetAlign( ALIGN_BASELINE );
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maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
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maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? sal_True : sal_False );
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// TODO(F2): improve panose->vclenum conversion
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maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) );
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maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL );
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maFont->SetPitch(
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rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED
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? PITCH_FIXED : PITCH_VARIABLE);
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maFont->SetLanguage(MsLangId::convertLocaleToLanguage(rFontRequest.Locale));
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// adjust to stretched/shrinked font
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if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) )
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{
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OutputDevice* pOutDev( mpRefDevice->getOutputDevice() );
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if( pOutDev )
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{
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const bool bOldMapState( pOutDev->IsMapModeEnabled() );
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pOutDev->EnableMapMode(sal_False);
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const Size aSize = pOutDev->GetFontMetric( *maFont ).GetSize();
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const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 );
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double fStretch = (rFontMatrix.m00 + rFontMatrix.m01);
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if( !::basegfx::fTools::equalZero( fDividend) )
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fStretch /= fDividend;
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const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch );
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maFont->SetWidth( nNewWidth );
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pOutDev->EnableMapMode(bOldMapState);
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}
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}
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}
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void SAL_CALL CanvasFont::disposing()
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{
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SolarMutexGuard aGuard;
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mpRefDevice.clear();
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}
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uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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if( !mpRefDevice.is() )
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return uno::Reference< rendering::XTextLayout >(); // we're disposed
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return new TextLayout( aText,
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nDirection,
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nRandomSeed,
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Reference( this ),
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mpRefDevice );
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}
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rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( ) throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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return maFontRequest;
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}
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rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( ) throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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// TODO(F1)
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return rendering::FontMetrics();
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}
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uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( ) throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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// TODO(F1)
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return uno::Sequence< double >();
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}
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uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( ) throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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// TODO(F1)
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return uno::Sequence< beans::PropertyValue >();
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}
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#define IMPLEMENTATION_NAME "CairoCanvas::CanvasFont"
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#define SERVICE_NAME "com.sun.star.rendering.CanvasFont"
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::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException )
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{
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return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
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}
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sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
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{
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return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
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}
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uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames() throw( uno::RuntimeException )
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{
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uno::Sequence< ::rtl::OUString > aRet(1);
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aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
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return aRet;
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}
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::Font CanvasFont::getVCLFont() const
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{
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return *maFont;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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