LCOV - code coverage report
Current view: top level - canvas/source/cairo - cairo_canvasfont.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 1 58 1.7 %
Date: 2015-06-13 12:38:46 Functions: 2 13 15.4 %
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             : #include <canvas/debug.hxx>
      21             : 
      22             : #include <com/sun/star/rendering/PanoseProportion.hpp>
      23             : #include <cppuhelper/supportsservice.hxx>
      24             : 
      25             : #include <rtl/math.hxx>
      26             : #include <basegfx/numeric/ftools.hxx>
      27             : 
      28             : #include <vcl/metric.hxx>
      29             : #include <i18nlangtag/languagetag.hxx>
      30             : 
      31             : #include "cairo_canvasfont.hxx"
      32             : #include "cairo_textlayout.hxx"
      33             : 
      34             : using namespace ::com::sun::star;
      35             : 
      36             : namespace cairocanvas
      37             : {
      38             : 
      39           0 :     CanvasFont::CanvasFont( const rendering::FontRequest&                   rFontRequest,
      40             :                             const uno::Sequence< beans::PropertyValue >&    /*rExtraFontProperties*/,
      41             :                             const geometry::Matrix2D&                       rFontMatrix,
      42             :                             const SurfaceProviderRef&                       rDevice ) :
      43             :         CanvasFont_Base( m_aMutex ),
      44             :         maFont( vcl::Font( rFontRequest.FontDescription.FamilyName,
      45             :                       rFontRequest.FontDescription.StyleName,
      46           0 :                       Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ),
      47             :         maFontRequest( rFontRequest ),
      48           0 :         mpRefDevice( rDevice )
      49             :     {
      50           0 :         maFont->SetAlign( ALIGN_BASELINE );
      51           0 :         maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
      52           0 :         maFont->SetVertical( rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES );
      53             : 
      54             :         // TODO(F2): improve panose->vclenum conversion
      55           0 :         maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) );
      56           0 :         maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL );
      57             :         maFont->SetPitch(
      58           0 :                 rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED
      59           0 :                     ? PITCH_FIXED : PITCH_VARIABLE);
      60             : 
      61           0 :         maFont->SetLanguage( LanguageTag::convertToLanguageType( rFontRequest.Locale, false));
      62             : 
      63             :         // adjust to stretched/shrunk font
      64           0 :         if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) )
      65             :         {
      66           0 :             VclPtr<OutputDevice> pOutDev( mpRefDevice->getOutputDevice() );
      67             : 
      68           0 :             if( pOutDev )
      69             :             {
      70           0 :                 const bool bOldMapState( pOutDev->IsMapModeEnabled() );
      71           0 :                 pOutDev->EnableMapMode(false);
      72             : 
      73           0 :                 const Size aSize = pOutDev->GetFontMetric( *maFont ).GetSize();
      74             : 
      75           0 :                 const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 );
      76           0 :                 double fStretch = (rFontMatrix.m00 + rFontMatrix.m01);
      77             : 
      78           0 :                 if( !::basegfx::fTools::equalZero( fDividend) )
      79           0 :                     fStretch /= fDividend;
      80             : 
      81           0 :                 const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch );
      82             : 
      83           0 :                 maFont->SetWidth( nNewWidth );
      84             : 
      85           0 :                 pOutDev->EnableMapMode(bOldMapState);
      86           0 :             }
      87             :         }
      88           0 :     }
      89             : 
      90           0 :     void SAL_CALL CanvasFont::disposing()
      91             :     {
      92           0 :         SolarMutexGuard aGuard;
      93             : 
      94           0 :         mpRefDevice.clear();
      95           0 :     }
      96             : 
      97           0 :     uno::Reference< rendering::XTextLayout > SAL_CALL  CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException, std::exception)
      98             :     {
      99           0 :         SolarMutexGuard aGuard;
     100             : 
     101           0 :         if( !mpRefDevice.is() )
     102           0 :             return uno::Reference< rendering::XTextLayout >(); // we're disposed
     103             : 
     104             :         return new TextLayout( aText,
     105             :                                nDirection,
     106             :                                nRandomSeed,
     107             :                                Reference( this ),
     108           0 :                                mpRefDevice );
     109             :     }
     110             : 
     111           0 :     rendering::FontRequest SAL_CALL  CanvasFont::getFontRequest(  ) throw (uno::RuntimeException, std::exception)
     112             :     {
     113           0 :         SolarMutexGuard aGuard;
     114             : 
     115           0 :         return maFontRequest;
     116             :     }
     117             : 
     118           0 :     rendering::FontMetrics SAL_CALL  CanvasFont::getFontMetrics(  ) throw (uno::RuntimeException, std::exception)
     119             :     {
     120           0 :         SolarMutexGuard aGuard;
     121             : 
     122             :         // TODO(F1)
     123           0 :         return rendering::FontMetrics();
     124             :     }
     125             : 
     126           0 :     uno::Sequence< double > SAL_CALL  CanvasFont::getAvailableSizes(  ) throw (uno::RuntimeException, std::exception)
     127             :     {
     128           0 :         SolarMutexGuard aGuard;
     129             : 
     130             :         // TODO(F1)
     131           0 :         return uno::Sequence< double >();
     132             :     }
     133             : 
     134           0 :     uno::Sequence< beans::PropertyValue > SAL_CALL  CanvasFont::getExtraFontProperties(  ) throw (uno::RuntimeException, std::exception)
     135             :     {
     136           0 :         SolarMutexGuard aGuard;
     137             : 
     138             :         // TODO(F1)
     139           0 :         return uno::Sequence< beans::PropertyValue >();
     140             :     }
     141             : 
     142           0 :     OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException, std::exception )
     143             :     {
     144           0 :         return OUString( "CairoCanvas::CanvasFont" );
     145             :     }
     146             : 
     147           0 :     sal_Bool SAL_CALL CanvasFont::supportsService( const OUString& ServiceName ) throw( uno::RuntimeException, std::exception )
     148             :     {
     149           0 :         return cppu::supportsService( this, ServiceName );
     150             :     }
     151             : 
     152           0 :     uno::Sequence< OUString > SAL_CALL CanvasFont::getSupportedServiceNames()  throw( uno::RuntimeException, std::exception )
     153             :     {
     154           0 :         uno::Sequence< OUString > aRet(1);
     155           0 :         aRet[0] = "com.sun.star.rendering.CanvasFont";
     156             : 
     157           0 :         return aRet;
     158             :     }
     159             : 
     160           0 :     vcl::Font CanvasFont::getVCLFont() const
     161             :     {
     162           0 :         return *maFont;
     163             :     }
     164           6 : }
     165             : 
     166             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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