LCOV - code coverage report
Current view: top level - libreoffice/canvas/source/vcl - canvasfont.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 64 0.0 %
Date: 2012-12-27 Functions: 0 13 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include <canvas/debug.hxx>
      22             : 
      23             : #include <rtl/math.hxx>
      24             : #include <basegfx/numeric/ftools.hxx>
      25             : #include <i18npool/languagetag.hxx>
      26             : #include <vcl/metric.hxx>
      27             : 
      28             : #include <com/sun/star/rendering/PanoseProportion.hpp>
      29             : 
      30             : #include "canvasfont.hxx"
      31             : #include "textlayout.hxx"
      32             : 
      33             : using namespace ::com::sun::star;
      34             : 
      35             : 
      36             : namespace vclcanvas
      37             : {
      38           0 :     CanvasFont::CanvasFont( const rendering::FontRequest&                   rFontRequest,
      39             :                             const uno::Sequence< beans::PropertyValue >&    ,
      40             :                             const geometry::Matrix2D&                       rFontMatrix,
      41             :                             rendering::XGraphicDevice&                      rDevice,
      42             :                             const OutDevProviderSharedPtr&                  rOutDevProvider ) :
      43             :         CanvasFont_Base( m_aMutex ),
      44             :         maFont( Font( rFontRequest.FontDescription.FamilyName,
      45             :                       rFontRequest.FontDescription.StyleName,
      46             :                       Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ),
      47             :         maFontRequest( rFontRequest ),
      48             :         mpRefDevice( &rDevice ),
      49           0 :         mpOutDevProvider( rOutDevProvider )
      50             :     {
      51           0 :         maFont->SetAlign( ALIGN_BASELINE );
      52           0 :         maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
      53           0 :         maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? sal_True : sal_False );
      54             : 
      55             :         // TODO(F2): improve panose->vclenum conversion
      56           0 :         maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) );
      57           0 :         maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL );
      58             :         maFont->SetPitch(
      59             :                 rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED
      60           0 :                     ? PITCH_FIXED : PITCH_VARIABLE);
      61             : 
      62           0 :         maFont->SetLanguage( LanguageTag( rFontRequest.Locale).getLanguageType( false));
      63             : 
      64             :         // adjust to stretched/shrinked font
      65           0 :         if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) )
      66             :         {
      67           0 :             OutputDevice& rOutDev( rOutDevProvider->getOutDev() );
      68             : 
      69           0 :             const bool bOldMapState( rOutDev.IsMapModeEnabled() );
      70           0 :             rOutDev.EnableMapMode(sal_False);
      71             : 
      72           0 :             const Size aSize = rOutDev.GetFontMetric( *maFont ).GetSize();
      73             : 
      74           0 :             const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 );
      75           0 :             double fStretch = (rFontMatrix.m00 + rFontMatrix.m01);
      76             : 
      77           0 :             if( !::basegfx::fTools::equalZero( fDividend) )
      78           0 :                 fStretch /= fDividend;
      79             : 
      80           0 :             const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch );
      81             : 
      82           0 :             maFont->SetWidth( nNewWidth );
      83             : 
      84           0 :             rOutDev.EnableMapMode(bOldMapState);
      85             :         }
      86           0 :     }
      87             : 
      88           0 :     void SAL_CALL CanvasFont::disposing()
      89             :     {
      90           0 :         SolarMutexGuard aGuard;
      91             : 
      92           0 :         mpOutDevProvider.reset();
      93           0 :         mpRefDevice.clear();
      94           0 :     }
      95             : 
      96           0 :     uno::Reference< rendering::XTextLayout > SAL_CALL  CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException)
      97             :     {
      98           0 :         SolarMutexGuard aGuard;
      99             : 
     100           0 :         if( !mpRefDevice.is() )
     101           0 :             return uno::Reference< rendering::XTextLayout >(); // we're disposed
     102             : 
     103             :         return new TextLayout( aText,
     104             :                                nDirection,
     105             :                                nRandomSeed,
     106             :                                Reference( this ),
     107             :                                mpRefDevice,
     108           0 :                                mpOutDevProvider);
     109             :     }
     110             : 
     111           0 :     rendering::FontRequest SAL_CALL  CanvasFont::getFontRequest(  ) throw (uno::RuntimeException)
     112             :     {
     113           0 :         SolarMutexGuard aGuard;
     114             : 
     115           0 :         return maFontRequest;
     116             :     }
     117             : 
     118           0 :     rendering::FontMetrics SAL_CALL  CanvasFont::getFontMetrics(  ) throw (uno::RuntimeException)
     119             :     {
     120           0 :         SolarMutexGuard aGuard;
     121             : 
     122           0 :         OutputDevice& rOutDev = mpOutDevProvider->getOutDev();
     123           0 :         VirtualDevice aVDev( rOutDev );
     124           0 :         aVDev.SetFont(getVCLFont());
     125           0 :         const ::FontMetric& aMetric( aVDev.GetFontMetric() );
     126             : 
     127             :         return rendering::FontMetrics(
     128           0 :             aMetric.GetAscent(),
     129           0 :             aMetric.GetDescent(),
     130           0 :             aMetric.GetIntLeading(),
     131           0 :             aMetric.GetExtLeading(),
     132             :             0,
     133           0 :             aMetric.GetDescent() / 2.0,
     134           0 :             aMetric.GetAscent() / 2.0);
     135             :     }
     136             : 
     137           0 :     uno::Sequence< double > SAL_CALL  CanvasFont::getAvailableSizes(  ) throw (uno::RuntimeException)
     138             :     {
     139           0 :         SolarMutexGuard aGuard;
     140             : 
     141             :         // TODO(F1)
     142           0 :         return uno::Sequence< double >();
     143             :     }
     144             : 
     145           0 :     uno::Sequence< beans::PropertyValue > SAL_CALL  CanvasFont::getExtraFontProperties(  ) throw (uno::RuntimeException)
     146             :     {
     147           0 :         SolarMutexGuard aGuard;
     148             : 
     149             :         // TODO(F1)
     150           0 :         return uno::Sequence< beans::PropertyValue >();
     151             :     }
     152             : 
     153             : #define IMPLEMENTATION_NAME "VCLCanvas::CanvasFont"
     154             : #define SERVICE_NAME "com.sun.star.rendering.CanvasFont"
     155             : 
     156           0 :     ::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException )
     157             :     {
     158           0 :         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
     159             :     }
     160             : 
     161           0 :     sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
     162             :     {
     163           0 :         return ServiceName == SERVICE_NAME;
     164             :     }
     165             : 
     166           0 :     uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames()  throw( uno::RuntimeException )
     167             :     {
     168           0 :         uno::Sequence< ::rtl::OUString > aRet(1);
     169           0 :         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
     170             : 
     171           0 :         return aRet;
     172             :     }
     173             : 
     174           0 :     ::Font CanvasFont::getVCLFont() const
     175             :     {
     176           0 :         return *maFont;
     177             :     }
     178           0 : }
     179             : 
     180             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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