LCOV - code coverage report
Current view: top level - canvas/source/simplecanvas - simplecanvasimpl.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 159 0.0 %
Date: 2014-04-14 Functions: 0 37 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 <com/sun/star/rendering/XSimpleCanvas.hpp>
      22             : #include <com/sun/star/rendering/CompositeOperation.hpp>
      23             : #include <com/sun/star/rendering/PanoseLetterForm.hpp>
      24             : #include <com/sun/star/rendering/PanoseWeight.hpp>
      25             : #include <com/sun/star/lang/XServiceName.hpp>
      26             : 
      27             : #include <o3tl/lazy_update.hxx>
      28             : #include <cppuhelper/factory.hxx>
      29             : #include <cppuhelper/implementationentry.hxx>
      30             : #include <cppuhelper/compbase2.hxx>
      31             : #include <cppuhelper/basemutex.hxx>
      32             : 
      33             : #include <comphelper/servicedecl.hxx>
      34             : 
      35             : #include <basegfx/matrix/b2dhommatrix.hxx>
      36             : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      37             : 
      38             : #include <canvas/canvastools.hxx>
      39             : 
      40             : #include <boost/bind.hpp>
      41             : 
      42             : #define SERVICE_NAME "com.sun.star.rendering.SimpleCanvas"
      43             : 
      44             : using namespace ::com::sun::star;
      45             : using namespace canvas;
      46             : 
      47             : namespace
      48             : {
      49           0 :     inline uno::Sequence< double > color2Sequence( sal_Int32 const& nColor      )
      50             :     {
      51             :         // TODO(F3): Color management
      52           0 :         uno::Sequence< double > aRes( 4 );
      53             : 
      54           0 :         aRes[0] = static_cast<sal_uInt8>( (nColor&0xFF000000U) >> 24U ) / 255.0;
      55           0 :         aRes[1] = static_cast<sal_uInt8>( (nColor&0x00FF0000U) >> 16U ) / 255.0;
      56           0 :         aRes[2] = static_cast<sal_uInt8>( (nColor&0x0000FF00U) >>  8U ) / 255.0;
      57           0 :         aRes[3] = static_cast<sal_uInt8>( (nColor&0x000000FFU) )        / 255.0;
      58             : 
      59           0 :         return aRes;
      60             :     }
      61             : 
      62           0 :     inline uno::Reference< rendering::XPolyPolygon2D > rect2Poly( uno::Reference<rendering::XGraphicDevice> const& xDevice,
      63             :                                                                   geometry::RealRectangle2D const&                 rRect )
      64             :     {
      65           0 :         uno::Sequence< geometry::RealPoint2D > rectSequence( 4 );
      66           0 :         geometry::RealPoint2D* pOutput = rectSequence.getArray();
      67           0 :         pOutput[0] = geometry::RealPoint2D( rRect.X1, rRect.Y1 );
      68           0 :         pOutput[1] = geometry::RealPoint2D( rRect.X2, rRect.Y1 );
      69           0 :         pOutput[2] = geometry::RealPoint2D( rRect.X2, rRect.Y2 );
      70           0 :         pOutput[3] = geometry::RealPoint2D( rRect.X1, rRect.Y2 );
      71             : 
      72           0 :         uno::Sequence< uno::Sequence< geometry::RealPoint2D > > sequenceSequence( 1 );
      73           0 :         sequenceSequence[0] = rectSequence;
      74             : 
      75             :         uno::Reference< rendering::XPolyPolygon2D > xRes(
      76           0 :             xDevice->createCompatibleLinePolyPolygon( sequenceSequence ),
      77           0 :             uno::UNO_QUERY );
      78           0 :         if( xRes.is() )
      79           0 :             xRes->setClosed( 0, sal_True );
      80           0 :         return xRes;
      81             :     }
      82             : 
      83           0 :     struct SimpleRenderState
      84             :     {
      85             :         o3tl::LazyUpdate<sal_Int32,
      86             :                          uno::Sequence<double>,
      87             :                          o3tl::LAZYUPDATE_FUNCTION_TAG >              m_aPenColor;
      88             :         o3tl::LazyUpdate<sal_Int32,
      89             :                          uno::Sequence<double>,
      90             :                          o3tl::LAZYUPDATE_FUNCTION_TAG >              m_aFillColor;
      91             :         o3tl::LazyUpdate<geometry::RealRectangle2D,
      92             :                          uno::Reference< rendering::XPolyPolygon2D >,
      93             :                          o3tl::LAZYUPDATE_FUNCTOR_TAG >               m_aRectClip;
      94             :         geometry::AffineMatrix2D                                      m_aTransformation;
      95             : 
      96           0 :         explicit SimpleRenderState( uno::Reference<rendering::XGraphicDevice> const& xDevice ) :
      97             :             m_aPenColor( &color2Sequence),
      98             :             m_aFillColor( &color2Sequence ),
      99             :             m_aRectClip( boost::bind( &rect2Poly,
     100             :                                       xDevice,
     101             :                                       _1 )),
     102           0 :             m_aTransformation()
     103             :         {
     104           0 :             tools::setIdentityAffineMatrix2D( m_aTransformation );
     105           0 :         }
     106             :     };
     107             : 
     108             : 
     109             :     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XSimpleCanvas,
     110             :                                               ::com::sun::star::lang::XServiceName >    SimpleCanvasBase;
     111             : 
     112           0 :     class SimpleCanvasImpl : private cppu::BaseMutex,
     113             :                              public SimpleCanvasBase
     114             :     {
     115             :     private:
     116           0 :         bool isStrokingEnabled() const
     117             :         {
     118           0 :             return maRenderState.m_aPenColor.getInValue() && sal_Int32(0xFF) != 0;
     119             :         }
     120             : 
     121           0 :         rendering::RenderState createStrokingRenderState() const
     122             :         {
     123             :             return rendering::RenderState(maRenderState.m_aTransformation,
     124           0 :                                           *maRenderState.m_aRectClip,
     125           0 :                                           *maRenderState.m_aPenColor,
     126           0 :                                           rendering::CompositeOperation::OVER);
     127             :         }
     128             : 
     129           0 :         bool isFillingEnabled() const
     130             :         {
     131           0 :             return maRenderState.m_aFillColor.getInValue() && sal_Int32(0xFF) != 0;
     132             :         }
     133             : 
     134           0 :         rendering::RenderState createFillingRenderState() const
     135             :         {
     136             :             return rendering::RenderState(maRenderState.m_aTransformation,
     137           0 :                                           *maRenderState.m_aRectClip,
     138           0 :                                           *maRenderState.m_aFillColor,
     139           0 :                                           rendering::CompositeOperation::OVER);
     140             :         }
     141             : 
     142           0 :         static uno::Reference<rendering::XCanvas> grabCanvas( uno::Sequence<uno::Any> const& rArgs )
     143             :         {
     144           0 :             uno::Reference<rendering::XCanvas> xRet;
     145             : 
     146             :             // can't do much without an XCanvas, can't we?
     147           0 :             if( rArgs.getLength() < 1 )
     148           0 :                 throw lang::IllegalArgumentException();
     149             : 
     150           0 :             xRet.set( rArgs[0], uno::UNO_QUERY );
     151             : 
     152             :             // can't do much without an XCanvas, can't we?
     153           0 :             if( !xRet.is() )
     154           0 :                 throw lang::IllegalArgumentException();
     155             : 
     156           0 :             return xRet;
     157             :         }
     158             : 
     159             :     public:
     160           0 :         SimpleCanvasImpl( const uno::Sequence< uno::Any >&                aArguments,
     161             :                           const uno::Reference< uno::XComponentContext >&  ) :
     162             :             SimpleCanvasBase( m_aMutex ),
     163             :             mxCanvas( grabCanvas(aArguments) ),
     164             :             maFont(boost::bind( &rendering::XCanvas::createFont,
     165             :                                 boost::cref(mxCanvas),
     166             :                                 _1,
     167             :                                 uno::Sequence< beans::PropertyValue >(),
     168             :                                 geometry::Matrix2D() )),
     169             :             maViewState(),
     170           0 :             maRenderState( mxCanvas->getDevice() )
     171             :         {
     172           0 :             tools::initViewState(maViewState);
     173           0 :         }
     174             : 
     175             : 
     176             : 
     177             :     private:
     178             :         // Ifc XServiceName
     179           0 :         virtual OUString SAL_CALL getServiceName(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     180             :         {
     181           0 :             return OUString( SERVICE_NAME );
     182             :         }
     183             : 
     184             :         // Ifc XSimpleCanvas
     185           0 :         virtual void SAL_CALL selectFont( const OUString& sFontName,
     186             :                                           double                 size,
     187             :                                           sal_Bool             bold,
     188             :                                           sal_Bool             italic ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     189             :         {
     190           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     191             : 
     192           0 :             maFont->FontDescription.FamilyName = sFontName;
     193           0 :             maFont->CellSize = size;
     194           0 :             maFont->FontDescription.FontDescription.Weight =
     195           0 :                 bold ? rendering::PanoseWeight::BOLD : rendering::PanoseWeight::MEDIUM;
     196           0 :             maFont->FontDescription.FontDescription.Letterform =
     197           0 :                 italic ? rendering::PanoseLetterForm::OBLIQUE_CONTACT : rendering::PanoseLetterForm::ANYTHING;
     198           0 :         }
     199             : 
     200           0 :         virtual void SAL_CALL setPenColor( ::sal_Int32 nsRgbaColor ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     201             :         {
     202           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     203           0 :             *(maRenderState.m_aPenColor) = nsRgbaColor;
     204           0 :         }
     205             : 
     206           0 :         virtual void SAL_CALL setFillColor( ::sal_Int32 nsRgbaColor ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     207             :         {
     208           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     209           0 :             *(maRenderState.m_aFillColor) = nsRgbaColor;
     210           0 :         }
     211             : 
     212           0 :         virtual void SAL_CALL setRectClip( const geometry::RealRectangle2D& aRect ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     213             :         {
     214           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     215           0 :             *(maRenderState.m_aRectClip) = aRect;
     216           0 :         }
     217             : 
     218           0 :         virtual void SAL_CALL setTransformation( const geometry::AffineMatrix2D& aTransform ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     219             :         {
     220           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     221           0 :             maRenderState.m_aTransformation = aTransform;
     222           0 :         }
     223             : 
     224           0 :         virtual void SAL_CALL drawPixel( const geometry::RealPoint2D& aPoint ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     225             :         {
     226           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     227           0 :             mxCanvas->drawPoint(aPoint,
     228             :                                 maViewState,
     229           0 :                                 createFillingRenderState());
     230           0 :         }
     231             : 
     232           0 :         virtual void SAL_CALL drawLine( const geometry::RealPoint2D& aStartPoint,
     233             :                                         const geometry::RealPoint2D& aEndPoint ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     234             :         {
     235           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     236           0 :             mxCanvas->drawLine(aStartPoint,
     237             :                                aEndPoint,
     238             :                                maViewState,
     239           0 :                                createStrokingRenderState());
     240           0 :         }
     241             : 
     242           0 :         virtual void SAL_CALL drawRect( const geometry::RealRectangle2D& aRect ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     243             :         {
     244           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     245             :             uno::Reference< rendering::XPolyPolygon2D > xPoly(
     246           0 :                 rect2Poly( mxCanvas->getDevice(),
     247           0 :                            aRect));
     248             : 
     249           0 :             if( isFillingEnabled() )
     250           0 :                 mxCanvas->drawPolyPolygon(xPoly,
     251             :                                           maViewState,
     252           0 :                                           createFillingRenderState());
     253           0 :             if( isStrokingEnabled() )
     254           0 :                 mxCanvas->drawPolyPolygon(xPoly,
     255             :                                           maViewState,
     256           0 :                                           createStrokingRenderState());
     257           0 :         }
     258             : 
     259           0 :         virtual void SAL_CALL drawPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon )
     260             :             throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     261             :         {
     262           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     263             : 
     264           0 :             if( isFillingEnabled() )
     265           0 :                 mxCanvas->drawPolyPolygon(xPolyPolygon,
     266             :                                           maViewState,
     267           0 :                                           createFillingRenderState());
     268           0 :             if( isStrokingEnabled() )
     269           0 :                 mxCanvas->drawPolyPolygon(xPolyPolygon,
     270             :                                           maViewState,
     271           0 :                                           createStrokingRenderState());
     272           0 :         }
     273             : 
     274           0 :         virtual void SAL_CALL drawText( const rendering::StringContext& aText,
     275             :                                         const geometry::RealPoint2D&    aOutPos,
     276             :                                         ::sal_Int8                      nTextDirection ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     277             :         {
     278           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     279           0 :             const basegfx::B2DHomMatrix offsetTransform(basegfx::tools::createTranslateB2DHomMatrix(aOutPos.X,aOutPos.Y));
     280           0 :             rendering::RenderState aRenderState( createStrokingRenderState() );
     281           0 :             tools::appendToRenderState(aRenderState, offsetTransform);
     282             : 
     283           0 :             mxCanvas->drawText(aText,
     284           0 :                                maFont.getOutValue(),
     285             :                                maViewState,
     286             :                                aRenderState,
     287           0 :                                nTextDirection);
     288           0 :         }
     289             : 
     290           0 :         virtual void SAL_CALL drawBitmap( const uno::Reference< rendering::XBitmap >& xBitmap,
     291             :                                           const geometry::RealPoint2D&                aLeftTop )
     292             :             throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     293             :         {
     294           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     295           0 :             const basegfx::B2DHomMatrix offsetTransform(basegfx::tools::createTranslateB2DHomMatrix(aLeftTop.X,aLeftTop.Y));
     296           0 :             rendering::RenderState aRenderState( createStrokingRenderState() );
     297           0 :             tools::appendToRenderState(aRenderState, offsetTransform);
     298             : 
     299           0 :             mxCanvas->drawBitmap(xBitmap,maViewState,aRenderState);
     300           0 :         }
     301             : 
     302           0 :         virtual uno::Reference< rendering::XGraphicDevice > SAL_CALL getDevice(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     303             :         {
     304           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     305           0 :             return mxCanvas->getDevice();
     306             :         }
     307             : 
     308           0 :         virtual uno::Reference< rendering::XCanvas > SAL_CALL getCanvas(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     309             :         {
     310           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     311           0 :             return mxCanvas;
     312             :         }
     313             : 
     314           0 :         virtual rendering::FontMetrics SAL_CALL getFontMetrics(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     315             :         {
     316           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     317           0 :             return maFont.getOutValue()->getFontMetrics();
     318             :         }
     319             : 
     320           0 :         virtual uno::Reference< rendering::XCanvasFont > SAL_CALL getCurrentFont(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     321             :         {
     322           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     323           0 :             return maFont.getOutValue();
     324             :         }
     325             : 
     326           0 :         virtual ::sal_Int32 SAL_CALL getCurrentPenColor(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     327             :         {
     328           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     329           0 :             return maRenderState.m_aPenColor.getInValue();
     330             :         }
     331             : 
     332           0 :         virtual ::sal_Int32 SAL_CALL getCurrentFillColor(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     333             :         {
     334           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     335           0 :             return maRenderState.m_aFillColor.getInValue();
     336             :         }
     337             : 
     338           0 :         virtual geometry::RealRectangle2D SAL_CALL getCurrentClipRect(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     339             :         {
     340           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     341           0 :             return maRenderState.m_aRectClip.getInValue();
     342             :         }
     343             : 
     344           0 :         virtual geometry::AffineMatrix2D SAL_CALL getCurrentTransformation(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     345             :         {
     346           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     347           0 :             return maRenderState.m_aTransformation;
     348             :         }
     349             : 
     350           0 :         virtual rendering::ViewState SAL_CALL getCurrentViewState(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     351             :         {
     352           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     353           0 :             return maViewState;
     354             :         }
     355             : 
     356           0 :         virtual rendering::RenderState SAL_CALL getCurrentRenderState( sal_Bool bUseFillColor ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
     357             :         {
     358           0 :             ::osl::MutexGuard aGuard( m_aMutex );
     359           0 :             if( bUseFillColor )
     360           0 :                 return createFillingRenderState();
     361             :             else
     362           0 :                 return createStrokingRenderState();
     363             :         }
     364             : 
     365             : 
     366             : 
     367             :         typedef o3tl::LazyUpdate<
     368             :             rendering::FontRequest,
     369             :             uno::Reference< rendering::XCanvasFont >,
     370             :             o3tl::LAZYUPDATE_FUNCTOR_TAG > SimpleFont;
     371             : 
     372             :         uno::Reference<rendering::XCanvas> mxCanvas;
     373             :         SimpleFont                         maFont;
     374             :         rendering::ViewState               maViewState;
     375             :         SimpleRenderState                  maRenderState;
     376             :     };
     377             : 
     378             :     namespace sdecl = comphelper::service_decl;
     379           0 :     const sdecl::ServiceDecl simpleCanvasDecl(
     380             :         sdecl::class_<SimpleCanvasImpl, sdecl::with_args<true> >(),
     381             :         "com.sun.star.comp.rendering.SimpleCanvas",
     382           0 :         SERVICE_NAME );
     383             : }
     384             : 
     385             : // The C shared lib entry points
     386           0 : COMPHELPER_SERVICEDECL_EXPORTS1(simplecanvas, simpleCanvasDecl)
     387             : 
     388             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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