7ffa7e56c0
look for methods where we don't need to guard access to the field, because the field is never modified Change-Id: I62c33cc3f52881557515765d3733c4afc78547aa Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155836 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
161 lines
5.6 KiB
C++
161 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <basegfx/numeric/ftools.hxx>
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#include <com/sun/star/rendering/PanoseProportion.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <i18nlangtag/languagetag.hxx>
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#include <rtl/math.hxx>
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#include <utility>
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#include <vcl/metric.hxx>
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#include <canvas/canvastools.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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SurfaceProviderRef rDevice ) :
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maFont( vcl::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(std::move( rDevice )),
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mnEmphasisMark(0)
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{
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::canvas::tools::extractExtraFontProperties(rExtraFontProperties, mnEmphasisMark);
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maFont->SetAlignment( ALIGN_BASELINE );
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maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==css::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
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maFont->SetVertical( rFontRequest.FontDescription.IsVertical==css::util::TriState_YES );
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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( LanguageTag::convertToLanguageType( rFontRequest.Locale, false));
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// adjust to stretched/shrunk font
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if( ::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) )
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return;
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VclPtr<OutputDevice> pOutDev( mpRefDevice->getOutputDevice() );
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if( !pOutDev )
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return;
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const bool bOldMapState( pOutDev->IsMapModeEnabled() );
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pOutDev->EnableMapMode(false);
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const Size aSize = pOutDev->GetFontMetric( *maFont ).GetFontSize();
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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 tools::Long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch );
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maFont->SetAverageFontWidth( nNewWidth );
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pOutDev->EnableMapMode(bOldMapState);
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}
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void CanvasFont::disposing(std::unique_lock<std::mutex>& rGuard)
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{
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rGuard.unlock();
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{
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SolarMutexGuard aGuard;
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mpRefDevice.clear();
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}
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rGuard.lock();
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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 )
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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( )
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{
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return maFontRequest;
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}
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rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( )
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{
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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( )
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{
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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( )
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{
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// TODO(F1)
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return uno::Sequence< beans::PropertyValue >();
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}
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OUString SAL_CALL CanvasFont::getImplementationName()
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{
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return "CairoCanvas::CanvasFont";
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}
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sal_Bool SAL_CALL CanvasFont::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService( this, ServiceName );
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}
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uno::Sequence< OUString > SAL_CALL CanvasFont::getSupportedServiceNames()
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{
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return { "com.sun.star.rendering.CanvasFont" };
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}
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vcl::Font const & 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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