canvas/source/null/null_textlayout.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_canvas.hxx"
  30
  31 #include <canvas/debug.hxx>
  32 #include <tools/diagnose_ex.h>
  33 #include <canvas/verbosetrace.hxx>
  34
  35 #include <basegfx/matrix/b2dhommatrix.hxx>
  36 #include <basegfx/numeric/ftools.hxx>
  37
  38 #include "null_textlayout.hxx"
  39 #include "null_spritecanvas.hxx"
  40
  41
  42 using namespace ::com::sun::star;
  43
  44 namespace nullcanvas
  45 {
  46     TextLayout::TextLayout( const rendering::StringContext&     aText,
  47                             sal_Int8                            nDirection,
  48                             sal_Int64                           /*nRandomSeed*/,
  49                             const CanvasFont::ImplRef&          rFont ) :
  50         TextLayout_Base( m_aMutex ),
  51         maText( aText ),
  52         maLogicalAdvancements(),
  53         mpFont( rFont ),
  54         mnTextDirection( nDirection )
  55     {
  56     }
  57
  58     TextLayout::~TextLayout()
  59     {
  60     }
  61
  62     void SAL_CALL TextLayout::disposing()
  63     {
  64         mpFont.reset();
  65     }
  66
  67     // XTextLayout
  68     uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes(  ) throw (uno::RuntimeException)
  69     {
  70         ::osl::MutexGuard aGuard( m_aMutex );
  71
  72         // TODO
  73         return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >();
  74     }
  75
  76     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures(  ) throw (uno::RuntimeException)
  77     {
  78         ::osl::MutexGuard aGuard( m_aMutex );
  79
  80         // TODO
  81         return uno::Sequence< geometry::RealRectangle2D >();
  82     }
  83
  84     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures(  ) throw (uno::RuntimeException)
  85     {
  86         ::osl::MutexGuard aGuard( m_aMutex );
  87
  88         // TODO
  89         return uno::Sequence< geometry::RealRectangle2D >();
  90     }
  91
  92     uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements(  ) throw (uno::RuntimeException)
  93     {
  94         ::osl::MutexGuard aGuard( m_aMutex );
  95
  96         return maLogicalAdvancements;
  97     }
  98
  99     void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 100     {
 101         ::osl::MutexGuard aGuard( m_aMutex );
 102
 103         if( aAdvancements.getLength() != maText.Length )
 104         {
 105             OSL_TRACE( "TextLayout::applyLogicalAdvancements(): mismatching number of advancements" );
 106             throw lang::IllegalArgumentException();
 107         }
 108
 109         maLogicalAdvancements = aAdvancements;
 110     }
 111
 112     geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds(  ) throw (uno::RuntimeException)
 113     {
 114         ::osl::MutexGuard aGuard( m_aMutex );
 115
 116         ENSURE_OR_THROW( mpFont.get(),
 117                           "TextLayout::queryTextBounds(): invalid font" );
 118
 119         // fake text bounds by either taking the advancement values,
 120         // or assuming square glyph boxes (width similar to height)
 121         const rendering::FontRequest& rFontRequest( mpFont->getFontRequest() );
 122         const double nFontSize( ::std::max( rFontRequest.CellSize,
 123                                             rFontRequest.ReferenceAdvancement ) );
 124         if( maLogicalAdvancements.getLength() )
 125         {
 126             return geometry::RealRectangle2D( 0, -nFontSize/2,
 127                                               maLogicalAdvancements[ maLogicalAdvancements.getLength()-1 ],
 128                                               nFontSize/2 );
 129         }
 130         else
 131         {
 132             return geometry::RealRectangle2D( 0, -nFontSize/2,
 133                                               nFontSize * maText.Length,
 134                                               nFontSize/2 );
 135         }
 136     }
 137
 138     double SAL_CALL TextLayout::justify( double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 139     {
 140         ::osl::MutexGuard aGuard( m_aMutex );
 141
 142         // TODO
 143         return 0.0;
 144     }
 145
 146     double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/,
 147                                                  double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 148     {
 149         ::osl::MutexGuard aGuard( m_aMutex );
 150
 151         // TODO
 152         return 0.0;
 153     }
 154
 155     rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ ) throw (uno::RuntimeException)
 156     {
 157         ::osl::MutexGuard aGuard( m_aMutex );
 158
 159         // TODO
 160         return rendering::TextHit();
 161     }
 162
 163     rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/,
 164                                                     sal_Bool  /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 165     {
 166         ::osl::MutexGuard aGuard( m_aMutex );
 167
 168         // TODO
 169         return rendering::Caret();
 170     }
 171
 172     sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/,
 173                                                           sal_Int32 /*nCaretAdvancement*/,
 174                                                           sal_Bool  /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 175     {
 176         ::osl::MutexGuard aGuard( m_aMutex );
 177
 178         // TODO
 179         return 0;
 180     }
 181
 182     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/,
 183                                                                                               sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 184     {
 185         ::osl::MutexGuard aGuard( m_aMutex );
 186
 187         // TODO
 188         return uno::Reference< rendering::XPolyPolygon2D >();
 189     }
 190
 191     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/,
 192                                                                                                sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 193     {
 194         ::osl::MutexGuard aGuard( m_aMutex );
 195
 196         // TODO
 197         return uno::Reference< rendering::XPolyPolygon2D >();
 198     }
 199
 200     double SAL_CALL TextLayout::getBaselineOffset(  ) throw (uno::RuntimeException)
 201     {
 202         ::osl::MutexGuard aGuard( m_aMutex );
 203
 204         // TODO
 205         return 0.0;
 206     }
 207
 208     sal_Int8 SAL_CALL TextLayout::getMainTextDirection(  ) throw (uno::RuntimeException)
 209     {
 210         ::osl::MutexGuard aGuard( m_aMutex );
 211
 212         return mnTextDirection;
 213     }
 214
 215     uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont(  ) throw (uno::RuntimeException)
 216     {
 217         ::osl::MutexGuard aGuard( m_aMutex );
 218
 219         return mpFont.getRef();
 220     }
 221
 222     rendering::StringContext SAL_CALL TextLayout::getText(  ) throw (uno::RuntimeException)
 223     {
 224         ::osl::MutexGuard aGuard( m_aMutex );
 225
 226         return maText;
 227     }
 228
 229     bool TextLayout::draw( const rendering::ViewState&                          /*rViewState*/,
 230                            const rendering::RenderState&                        /*rRenderState*/,
 231                            const uno::Reference< rendering::XGraphicDevice >&   /*xGraphicDevice*/ ) const
 232     {
 233         ::osl::MutexGuard aGuard( m_aMutex );
 234
 235         // TODO
 236
 237         return true;
 238     }
 239
 240
 241 #define SERVICE_NAME "com.sun.star.rendering.TextLayout"
 242 #define IMPLEMENTATION_NAME "NullCanvas::TextLayout"
 243
 244     ::rtl::OUString SAL_CALL TextLayout::getImplementationName() throw( uno::RuntimeException )
 245     {
 246         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
 247     }
 248
 249     sal_Bool SAL_CALL TextLayout::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
 250     {
 251         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
 252     }
 253
 254     uno::Sequence< ::rtl::OUString > SAL_CALL TextLayout::getSupportedServiceNames()  throw( uno::RuntimeException )
 255     {
 256         uno::Sequence< ::rtl::OUString > aRet(1);
 257         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
 258
 259         return aRet;
 260     }
 261 }