canvas/source/directx/dx_textlayout.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>
  22 #include <canvas/debug.hxx>
  23 #include <canvas/verbosetrace.hxx>
  24 #include <cppuhelper/supportsservice.hxx>
  25
  26 #include <basegfx/matrix/b2dhommatrix.hxx>
  27 #include <basegfx/numeric/ftools.hxx>
  28 #include "dx_bitmap.hxx"
  29 #include "dx_textlayout.hxx"
  30 #include "dx_spritecanvas.hxx"
  31 #include "dx_textlayout_drawhelper.hxx"
  32
  33 using namespace ::com::sun::star;
  34
  35 namespace dxcanvas
  36 {
  37     TextLayout::TextLayout( const rendering::StringContext&     aText,
  38                             sal_Int8                            nDirection,
  39                             sal_Int64                           /*nRandomSeed*/,
  40                             const CanvasFont::ImplRef&          rFont ) :
  41         TextLayout_Base( m_aMutex ),
  42         maText( aText ),
  43         maLogicalAdvancements(),
  44         mpFont( rFont ),
  45         mnTextDirection( nDirection )
  46     {
  47     }
  48
  49     TextLayout::~TextLayout()
  50     {
  51     }
  52
  53     void SAL_CALL TextLayout::disposing()
  54     {
  55         mpFont.clear();
  56     }
  57
  58     // XTextLayout
  59     uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes(  ) throw (uno::RuntimeException)
  60     {
  61         ::osl::MutexGuard aGuard( m_aMutex );
  62
  63         // TODO
  64         return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >();
  65     }
  66
  67     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures(  ) throw (uno::RuntimeException)
  68     {
  69         ::osl::MutexGuard aGuard( m_aMutex );
  70
  71         // TODO
  72         return uno::Sequence< geometry::RealRectangle2D >();
  73     }
  74
  75     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures(  ) throw (uno::RuntimeException)
  76     {
  77         ::osl::MutexGuard aGuard( m_aMutex );
  78
  79         // TODO
  80         return uno::Sequence< geometry::RealRectangle2D >();
  81     }
  82
  83     uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements(  ) throw (uno::RuntimeException)
  84     {
  85         ::osl::MutexGuard aGuard( m_aMutex );
  86
  87         return maLogicalAdvancements;
  88     }
  89
  90     void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements ) throw (lang::IllegalArgumentException, uno::RuntimeException)
  91     {
  92         ::osl::MutexGuard aGuard( m_aMutex );
  93
  94         if( aAdvancements.getLength() != maText.Length )
  95         {
  96             OSL_TRACE( "TextLayout::applyLogicalAdvancements(): mismatching number of advancements" );
  97             throw lang::IllegalArgumentException();
  98         }
  99
 100         maLogicalAdvancements = aAdvancements;
 101     }
 102
 103     geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( ) throw (uno::RuntimeException)
 104     {
 105         ::osl::MutexGuard aGuard( m_aMutex );
 106
 107         uno::Reference< rendering::XGraphicDevice > xGraphicDevice;
 108         ::dxcanvas::TextLayoutDrawHelper aDrawHelper(xGraphicDevice);
 109
 110         // render text
 111         const geometry::RealRectangle2D aBounds(
 112             aDrawHelper.queryTextBounds(
 113                 maText,
 114                 maLogicalAdvancements,
 115                 mpFont.get(),
 116                 mpFont->getFontMatrix()));
 117
 118         return aBounds;
 119     }
 120
 121     double SAL_CALL TextLayout::justify( double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 122     {
 123         ::osl::MutexGuard aGuard( m_aMutex );
 124
 125         // TODO
 126         return 0.0;
 127     }
 128
 129     double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/,
 130                                                  double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 131     {
 132         ::osl::MutexGuard aGuard( m_aMutex );
 133
 134         // TODO
 135         return 0.0;
 136     }
 137
 138     rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ ) throw (uno::RuntimeException)
 139     {
 140         ::osl::MutexGuard aGuard( m_aMutex );
 141
 142         // TODO
 143         return rendering::TextHit();
 144     }
 145
 146     rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/,
 147                                                     sal_Bool /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 148     {
 149         ::osl::MutexGuard aGuard( m_aMutex );
 150
 151         // TODO
 152         return rendering::Caret();
 153     }
 154
 155     sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/,
 156                                                           sal_Int32 /*nCaretAdvancement*/,
 157                                                           sal_Bool /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 158     {
 159         ::osl::MutexGuard aGuard( m_aMutex );
 160
 161         // TODO
 162         return 0;
 163     }
 164
 165     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/,
 166                                                                                               sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 167     {
 168         ::osl::MutexGuard aGuard( m_aMutex );
 169
 170         // TODO
 171         return uno::Reference< rendering::XPolyPolygon2D >();
 172     }
 173
 174     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/,
 175                                                                                                sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 176     {
 177         ::osl::MutexGuard aGuard( m_aMutex );
 178
 179         // TODO
 180         return uno::Reference< rendering::XPolyPolygon2D >();
 181     }
 182
 183     double SAL_CALL TextLayout::getBaselineOffset(  ) throw (uno::RuntimeException)
 184     {
 185         ::osl::MutexGuard aGuard( m_aMutex );
 186
 187         // TODO
 188         return 0.0;
 189     }
 190
 191     sal_Int8 SAL_CALL TextLayout::getMainTextDirection(  ) throw (uno::RuntimeException)
 192     {
 193         ::osl::MutexGuard aGuard( m_aMutex );
 194
 195         return mnTextDirection;
 196     }
 197
 198     uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont(  ) throw (uno::RuntimeException)
 199     {
 200         ::osl::MutexGuard aGuard( m_aMutex );
 201
 202         return mpFont.get();
 203     }
 204
 205     rendering::StringContext SAL_CALL TextLayout::getText(  ) throw (uno::RuntimeException)
 206     {
 207         ::osl::MutexGuard aGuard( m_aMutex );
 208
 209         return maText;
 210     }
 211
 212     namespace
 213     {
 214         // TODO(P2): Check whether this gets inlined. If not, make functor
 215         // out of it
 216         inline Gdiplus::PointF gdiPlusPointFromDx( const double& dx )
 217         {
 218             return Gdiplus::PointF( static_cast<Gdiplus::REAL>(dx),
 219                                     0.0f );
 220         }
 221     }
 222
 223     bool TextLayout::draw( const GraphicsSharedPtr&                           rGraphics,
 224                            const rendering::ViewState&                        rViewState,
 225                            const rendering::RenderState&                      rRenderState,
 226                            const ::basegfx::B2ISize&                          rOutputOffset,
 227                            const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
 228                            bool                                               bAlphaSurface ) const
 229     {
 230         ::osl::MutexGuard aGuard( m_aMutex );
 231
 232         ::dxcanvas::TextLayoutDrawHelper aDrawHelper(xGraphicDevice);
 233
 234         // render text
 235         aDrawHelper.drawText(
 236             rGraphics,
 237             rViewState,
 238             rRenderState,
 239             rOutputOffset,
 240             maText,
 241             maLogicalAdvancements,
 242             mpFont.get(),
 243             mpFont->getFontMatrix(),
 244             bAlphaSurface);
 245
 246         return true;
 247     }
 248
 249     OUString SAL_CALL TextLayout::getImplementationName() throw( uno::RuntimeException )
 250     {
 251         return OUString( "DXCanvas::TextLayout" );
 252     }
 253
 254     sal_Bool SAL_CALL TextLayout::supportsService( const OUString& ServiceName ) throw( uno::RuntimeException )
 255     {
 256         return cppu::supportsService( this, ServiceName );
 257     }
 258
 259     uno::Sequence< OUString > SAL_CALL TextLayout::getSupportedServiceNames()  throw( uno::RuntimeException )
 260     {
 261         uno::Sequence< OUString > aRet(1);
 262         aRet[0] = "com.sun.star.rendering.TextLayout";
 263
 264         return aRet;
 265     }
 266 }
 267
 268 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */