canvas/source/directx/dx_canvasfont.cxx

   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 <ctype.h> // don't ask. msdev breaks otherwise...
  22 #include "dx_winstuff.hxx"
  23 #include "dx_spritecanvas.hxx"
  24 #include "dx_canvasfont.hxx"
  25 #include "dx_textlayout.hxx"
  26
  27 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  28 #include <com/sun/star/rendering/PanoseWeight.hpp>
  29
  30 using namespace ::com::sun::star;
  31
  32 namespace dxcanvas
  33 {
  34     namespace
  35     {
  36         INT calcFontStyle( const rendering::FontRequest& rFontRequest )
  37         {
  38             INT nFontStyle( Gdiplus::FontStyleRegular );
  39
  40             if( rFontRequest.FontDescription.FontDescription.Weight > rendering::PanoseWeight::BOOK )
  41                 nFontStyle = Gdiplus::FontStyleBold;
  42
  43             return nFontStyle;
  44         }
  45     }
  46
  47     CanvasFont::CanvasFont( const rendering::FontRequest&                   rFontRequest,
  48                             const uno::Sequence< beans::PropertyValue >&    /*extraFontProperties*/,
  49                             const geometry::Matrix2D&                       fontMatrix ) :
  50         CanvasFont_Base( m_aMutex ),
  51         mpGdiPlusUser( GDIPlusUser::createInstance() ),
  52         // TODO(F1): extraFontProperties, fontMatrix
  53         mpFontFamily(),
  54         mpFont(),
  55         maFontRequest( rFontRequest ),
  56         maFontMatrix( fontMatrix )
  57     {
  58         const sal_Int32            nLen(rFontRequest.FontDescription.FamilyName.getLength());
  59         const sal_Unicode*         pStr(rFontRequest.FontDescription.FamilyName.getStr());
  60         std::vector< sal_Unicode > pStrBuf(nLen+1,0);
  61         std::copy(pStr,pStr+nLen,&pStrBuf[0]);
  62
  63         mpFontFamily.reset( new Gdiplus::FontFamily(reinterpret_cast<LPCWSTR>(&pStrBuf[0]),NULL) );
  64         if( !mpFontFamily->IsAvailable() )
  65             mpFontFamily.reset( new Gdiplus::FontFamily(L"Arial",NULL) );
  66
  67         mpFont.reset( new Gdiplus::Font( mpFontFamily.get(),
  68                                          static_cast<Gdiplus::REAL>(rFontRequest.CellSize),
  69                                          calcFontStyle( rFontRequest ),
  70                                          Gdiplus::UnitWorld ));
  71     }
  72
  73     void SAL_CALL CanvasFont::disposing()
  74     {
  75         ::osl::MutexGuard aGuard( m_aMutex );
  76
  77         mpFont.reset();
  78         mpFontFamily.reset();
  79         mpGdiPlusUser.reset();
  80     }
  81
  82     uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText,
  83                                                                                     sal_Int8                        nDirection,
  84                                                                                     sal_Int64                       nRandomSeed ) throw (uno::RuntimeException)
  85     {
  86         ::osl::MutexGuard aGuard( m_aMutex );
  87
  88         return new TextLayout( aText, nDirection, nRandomSeed, ImplRef( this ) );
  89     }
  90
  91     uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes(  ) throw (uno::RuntimeException)
  92     {
  93         ::osl::MutexGuard aGuard( m_aMutex );
  94
  95         // TODO
  96         return uno::Sequence< double >();
  97     }
  98
  99     uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties(  ) throw (uno::RuntimeException)
 100     {
 101         ::osl::MutexGuard aGuard( m_aMutex );
 102
 103         // TODO
 104         return uno::Sequence< beans::PropertyValue >();
 105     }
 106
 107     rendering::FontRequest SAL_CALL CanvasFont::getFontRequest(  ) throw (uno::RuntimeException)
 108     {
 109         ::osl::MutexGuard aGuard( m_aMutex );
 110
 111         return maFontRequest;
 112     }
 113
 114     rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics(  ) throw (uno::RuntimeException)
 115     {
 116         ::osl::MutexGuard aGuard( m_aMutex );
 117
 118         // TODO
 119         return rendering::FontMetrics();
 120     }
 121
 122 #define SERVICE_NAME "com.sun.star.rendering.CanvasFont"
 123 #define IMPLEMENTATION_NAME "DXCanvas::CanvasFont"
 124
 125     OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException )
 126     {
 127         return OUString( IMPLEMENTATION_NAME );
 128     }
 129
 130     sal_Bool SAL_CALL CanvasFont::supportsService( const OUString& ServiceName ) throw( uno::RuntimeException )
 131     {
 132         return ServiceName == SERVICE_NAME;
 133     }
 134
 135     uno::Sequence< OUString > SAL_CALL CanvasFont::getSupportedServiceNames()  throw( uno::RuntimeException )
 136     {
 137         uno::Sequence< OUString > aRet(1);
 138         aRet[0] = SERVICE_NAME;
 139
 140         return aRet;
 141     }
 142
 143     double CanvasFont::getCellAscent() const
 144     {
 145         ::osl::MutexGuard aGuard( m_aMutex );
 146
 147         return mpFontFamily->GetCellAscent(0); // TODO(F1): rFontRequest.styleName
 148     }
 149
 150     double CanvasFont::getEmHeight() const
 151     {
 152         ::osl::MutexGuard aGuard( m_aMutex );
 153
 154         return mpFontFamily->GetEmHeight(0); // TODO(F1): rFontRequest.styleName
 155     }
 156
 157     FontSharedPtr CanvasFont::getFont() const
 158     {
 159         ::osl::MutexGuard aGuard( m_aMutex );
 160
 161         return mpFont;
 162     }
 163
 164     const ::com::sun::star::geometry::Matrix2D& CanvasFont::getFontMatrix() const
 165     {
 166         ::osl::MutexGuard aGuard( m_aMutex );
 167
 168         return maFontMatrix;
 169     }
 170 }
 171
 172 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */