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-rw-r--r--canvas/source/vcl/canvasfont.cxx177
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diff --git a/canvas/source/vcl/canvasfont.cxx b/canvas/source/vcl/canvasfont.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <basegfx/numeric/ftools.hxx>
+#include <canvas/canvastools.hxx>
+#include <com/sun/star/rendering/PanoseProportion.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <rtl/math.hxx>
+#include <vcl/metric.hxx>
+#include <vcl/virdev.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 >& rExtraFontProperties,
+ const geometry::Matrix2D& rFontMatrix,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider ) :
+ CanvasFont_Base( m_aMutex ),
+ maFont( vcl::Font( rFontRequest.FontDescription.FamilyName,
+ rFontRequest.FontDescription.StyleName,
+ Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ),
+ maFontRequest( rFontRequest ),
+ mpRefDevice( &rDevice ),
+ mpOutDevProvider( rOutDevProvider )
+ {
+ maFont->SetAlignment( ALIGN_BASELINE );
+ maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==css::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
+ maFont->SetVertical( rFontRequest.FontDescription.IsVertical==css::util::TriState_YES );
+
+ // 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->SetPitch(
+ rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED
+ ? PITCH_FIXED : PITCH_VARIABLE);
+
+ maFont->SetLanguage( LanguageTag::convertToLanguageType( rFontRequest.Locale, false));
+
+ // adjust to stretched/shrunk 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 ).GetFontSize();
+
+ const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 );
+ double fStretch = rFontMatrix.m00 + rFontMatrix.m01;
+
+ if( !::basegfx::fTools::equalZero( fDividend) )
+ fStretch /= fDividend;
+
+ const ::tools::Long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch );
+
+ maFont->SetAverageFontWidth( nNewWidth );
+
+ rOutDev.EnableMapMode(bOldMapState);
+ }
+
+ sal_uInt32 nEmphasisMark = 0;
+
+ ::canvas::tools::extractExtraFontProperties(rExtraFontProperties, nEmphasisMark);
+
+ if (nEmphasisMark)
+ maFont->SetEmphasisMark(FontEmphasisMark(nEmphasisMark));
+ }
+
+ void SAL_CALL CanvasFont::disposing()
+ {
+ SolarMutexGuard aGuard;
+
+ mpOutDevProvider.reset();
+ mpRefDevice.clear();
+ }
+
+ uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 )
+ {
+ SolarMutexGuard aGuard;
+
+ if( !mpRefDevice.is() )
+ return uno::Reference< rendering::XTextLayout >(); // we're disposed
+
+ return new TextLayout( aText,
+ nDirection,
+ Reference( this ),
+ mpRefDevice,
+ mpOutDevProvider);
+ }
+
+ rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( )
+ {
+ SolarMutexGuard aGuard;
+
+ return maFontRequest;
+ }
+
+ rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( )
+ {
+ SolarMutexGuard aGuard;
+
+ OutputDevice& rOutDev = mpOutDevProvider->getOutDev();
+ ScopedVclPtrInstance< VirtualDevice > pVDev( rOutDev );
+ pVDev->SetFont(getVCLFont());
+ const ::FontMetric& aMetric( pVDev->GetFontMetric() );
+
+ return rendering::FontMetrics(
+ aMetric.GetAscent(),
+ aMetric.GetDescent(),
+ aMetric.GetInternalLeading(),
+ aMetric.GetExternalLeading(),
+ 0,
+ aMetric.GetDescent() / 2.0,
+ aMetric.GetAscent() / 2.0);
+ }
+
+ uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( )
+ {
+ // TODO(F1)
+ return uno::Sequence< double >();
+ }
+
+ uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( )
+ {
+ // TODO(F1)
+ return uno::Sequence< beans::PropertyValue >();
+ }
+
+ OUString SAL_CALL CanvasFont::getImplementationName()
+ {
+ return "VCLCanvas::CanvasFont";
+ }
+
+ sal_Bool SAL_CALL CanvasFont::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService( this, ServiceName );
+ }
+
+ uno::Sequence< OUString > SAL_CALL CanvasFont::getSupportedServiceNames()
+ {
+ return { "com.sun.star.rendering.CanvasFont" };
+ }
+
+ vcl::Font const & CanvasFont::getVCLFont() const
+ {
+ return *maFont;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */