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Diffstat (limited to 'canvas/source/simplecanvas/simplecanvasimpl.cxx')
| -rw-r--r-- | canvas/source/simplecanvas/simplecanvasimpl.cxx | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/canvas/source/simplecanvas/simplecanvasimpl.cxx b/canvas/source/simplecanvas/simplecanvasimpl.cxx new file mode 100644 index 000000000000..185979b0220e --- /dev/null +++ b/canvas/source/simplecanvas/simplecanvasimpl.cxx @@ -0,0 +1,408 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: simplecanvasimpl.cxx,v $ + * $Revision: 1.3 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_canvas.hxx" + +#include <com/sun/star/rendering/XSimpleCanvas.hpp> +#include <com/sun/star/rendering/CompositeOperation.hpp> +#include <com/sun/star/rendering/PanoseLetterForm.hpp> +#include <com/sun/star/rendering/PanoseWeight.hpp> +#include <com/sun/star/lang/XServiceName.hpp> + +#include <o3tl/lazy_update.hxx> +#include <cppuhelper/factory.hxx> +#include <cppuhelper/implementationentry.hxx> +#include <cppuhelper/compbase2.hxx> +#include <cppuhelper/basemutex.hxx> + +#include <comphelper/servicedecl.hxx> + +#include <basegfx/matrix/b2dhommatrix.hxx> + +#include "canvas/canvastools.hxx" + +#include <boost/bind.hpp> + +#define SERVICE_NAME "com.sun.star.rendering.SimpleCanvas" + +using namespace ::com::sun::star; +using namespace canvas; + +namespace +{ + inline uno::Sequence< double > color2Sequence( sal_Int32 const& nColor ) + { + // TODO(F3): Color management + uno::Sequence< double > aRes( 4 ); + + aRes[0] = static_cast<sal_uInt8>( (nColor&0xFF000000U) >> 24U ) / 255.0; + aRes[1] = static_cast<sal_uInt8>( (nColor&0x00FF0000U) >> 16U ) / 255.0; + aRes[2] = static_cast<sal_uInt8>( (nColor&0x0000FF00U) >> 8U ) / 255.0; + aRes[3] = static_cast<sal_uInt8>( (nColor&0x000000FFU) ) / 255.0; + + return aRes; + } + + inline uno::Reference< rendering::XPolyPolygon2D > rect2Poly( uno::Reference<rendering::XGraphicDevice> const& xDevice, + geometry::RealRectangle2D const& rRect ) + { + uno::Sequence< geometry::RealPoint2D > rectSequence( 4 ); + geometry::RealPoint2D* pOutput = rectSequence.getArray(); + pOutput[0] = geometry::RealPoint2D( rRect.X1, rRect.Y1 ); + pOutput[1] = geometry::RealPoint2D( rRect.X2, rRect.Y1 ); + pOutput[2] = geometry::RealPoint2D( rRect.X2, rRect.Y2 ); + pOutput[3] = geometry::RealPoint2D( rRect.X1, rRect.Y2 ); + + uno::Sequence< uno::Sequence< geometry::RealPoint2D > > sequenceSequence( 1 ); + sequenceSequence[0] = rectSequence; + + uno::Reference< rendering::XPolyPolygon2D > xRes( + xDevice->createCompatibleLinePolyPolygon( sequenceSequence ), + uno::UNO_QUERY ); + if( xRes.is() ) + xRes->setClosed( 0, sal_True ); + return xRes; + } + + struct SimpleRenderState + { + o3tl::LazyUpdate<sal_Int32, + uno::Sequence<double>, + o3tl::LAZYUPDATE_FUNCTION_TAG > m_aPenColor; + o3tl::LazyUpdate<sal_Int32, + uno::Sequence<double>, + o3tl::LAZYUPDATE_FUNCTION_TAG > m_aFillColor; + o3tl::LazyUpdate<geometry::RealRectangle2D, + uno::Reference< rendering::XPolyPolygon2D >, + o3tl::LAZYUPDATE_FUNCTOR_TAG > m_aRectClip; + geometry::AffineMatrix2D m_aTransformation; + + explicit SimpleRenderState( uno::Reference<rendering::XGraphicDevice> const& xDevice ) : + m_aPenColor( &color2Sequence), + m_aFillColor( &color2Sequence ), + m_aRectClip( boost::bind( &rect2Poly, + xDevice, + _1 )), + m_aTransformation() + { + tools::setIdentityAffineMatrix2D( m_aTransformation ); + } + }; + + + typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XSimpleCanvas, + ::com::sun::star::lang::XServiceName > SimpleCanvasBase; + + class SimpleCanvasImpl : private cppu::BaseMutex, + public SimpleCanvasBase + { + private: + bool isStrokingEnabled() const + { + return maRenderState.m_aPenColor.getInValue() && sal_Int32(0xFF) != 0; + } + + rendering::RenderState createStrokingRenderState() const + { + return rendering::RenderState(maRenderState.m_aTransformation, + *maRenderState.m_aRectClip, + *maRenderState.m_aPenColor, + rendering::CompositeOperation::OVER); + } + + bool isFillingEnabled() const + { + return maRenderState.m_aFillColor.getInValue() && sal_Int32(0xFF) != 0; + } + + rendering::RenderState createFillingRenderState() const + { + return rendering::RenderState(maRenderState.m_aTransformation, + *maRenderState.m_aRectClip, + *maRenderState.m_aFillColor, + rendering::CompositeOperation::OVER); + } + + static uno::Reference<rendering::XCanvas> grabCanvas( uno::Sequence<uno::Any> const& rArgs ) + { + uno::Reference<rendering::XCanvas> xRet; + + // can't do much without an XCanvas, can't we? + if( rArgs.getLength() < 1 ) + throw lang::IllegalArgumentException(); + + xRet.set( rArgs[0], uno::UNO_QUERY ); + + // can't do much without an XCanvas, can't we? + if( !xRet.is() ) + throw lang::IllegalArgumentException(); + + return xRet; + } + + public: + SimpleCanvasImpl( const uno::Sequence< uno::Any >& aArguments, + const uno::Reference< uno::XComponentContext >& ) : + SimpleCanvasBase( m_aMutex ), + mxCanvas( grabCanvas(aArguments) ), + maFont(boost::bind( &rendering::XCanvas::createFont, + boost::cref(mxCanvas), + _1, + uno::Sequence< beans::PropertyValue >(), + geometry::Matrix2D() )), + maViewState(), + maRenderState( mxCanvas->getDevice() ) + { + tools::initViewState(maViewState); + } + + /////////////////////////////////////////////////////////////////////////////////////////////// + + private: + // Ifc XServiceName + virtual ::rtl::OUString SAL_CALL getServiceName( ) throw (uno::RuntimeException) + { + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SERVICE_NAME ) ); + } + + // Ifc XSimpleCanvas + virtual void SAL_CALL selectFont( const ::rtl::OUString& sFontName, + double size, + ::sal_Bool bold, + ::sal_Bool italic ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + maFont->FontDescription.FamilyName = sFontName; + maFont->CellSize = size; + maFont->FontDescription.FontDescription.Weight = + bold ? rendering::PanoseWeight::BOLD : rendering::PanoseWeight::MEDIUM; + maFont->FontDescription.FontDescription.Letterform = + italic ? rendering::PanoseLetterForm::OBLIQUE_CONTACT : rendering::PanoseLetterForm::ANYTHING; + } + + virtual void SAL_CALL setPenColor( ::sal_Int32 nsRgbaColor ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + *(maRenderState.m_aPenColor) = nsRgbaColor; + } + + virtual void SAL_CALL setFillColor( ::sal_Int32 nsRgbaColor ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + *(maRenderState.m_aFillColor) = nsRgbaColor; + } + + virtual void SAL_CALL setRectClip( const geometry::RealRectangle2D& aRect ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + *(maRenderState.m_aRectClip) = aRect; + } + + virtual void SAL_CALL setTransformation( const geometry::AffineMatrix2D& aTransform ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + maRenderState.m_aTransformation = aTransform; + } + + virtual void SAL_CALL drawPixel( const geometry::RealPoint2D& aPoint ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + mxCanvas->drawPoint(aPoint, + maViewState, + createFillingRenderState()); + } + + virtual void SAL_CALL drawLine( const geometry::RealPoint2D& aStartPoint, + const geometry::RealPoint2D& aEndPoint ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + mxCanvas->drawLine(aStartPoint, + aEndPoint, + maViewState, + createStrokingRenderState()); + } + + virtual void SAL_CALL drawRect( const geometry::RealRectangle2D& aRect ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + uno::Reference< rendering::XPolyPolygon2D > xPoly( + rect2Poly( mxCanvas->getDevice(), + aRect)); + + if( isFillingEnabled() ) + mxCanvas->drawPolyPolygon(xPoly, + maViewState, + createFillingRenderState()); + if( isStrokingEnabled() ) + mxCanvas->drawPolyPolygon(xPoly, + maViewState, + createStrokingRenderState()); + } + + virtual void SAL_CALL drawPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + if( isFillingEnabled() ) + mxCanvas->drawPolyPolygon(xPolyPolygon, + maViewState, + createFillingRenderState()); + if( isStrokingEnabled() ) + mxCanvas->drawPolyPolygon(xPolyPolygon, + maViewState, + createStrokingRenderState()); + } + + virtual void SAL_CALL drawText( const rendering::StringContext& aText, + const geometry::RealPoint2D& aOutPos, + ::sal_Int8 nTextDirection ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + basegfx::B2DHomMatrix offsetTransform; + offsetTransform.translate(aOutPos.X,aOutPos.Y); + + rendering::RenderState aRenderState( createStrokingRenderState() ); + tools::appendToRenderState(aRenderState, offsetTransform); + + mxCanvas->drawText(aText, + maFont.getOutValue(), + maViewState, + aRenderState, + nTextDirection); + } + + virtual void SAL_CALL drawBitmap( const uno::Reference< rendering::XBitmap >& xBitmap, + const geometry::RealPoint2D& aLeftTop ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + basegfx::B2DHomMatrix offsetTransform; + offsetTransform.translate(aLeftTop.X,aLeftTop.Y); + + rendering::RenderState aRenderState( createStrokingRenderState() ); + tools::appendToRenderState(aRenderState, offsetTransform); + + mxCanvas->drawBitmap(xBitmap,maViewState,aRenderState); + } + + virtual uno::Reference< rendering::XGraphicDevice > SAL_CALL getDevice( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return mxCanvas->getDevice(); + } + + virtual uno::Reference< rendering::XCanvas > SAL_CALL getCanvas( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return mxCanvas; + } + + virtual rendering::FontMetrics SAL_CALL getFontMetrics( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maFont.getOutValue()->getFontMetrics(); + } + + virtual uno::Reference< rendering::XCanvasFont > SAL_CALL getCurrentFont( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maFont.getOutValue(); + } + + virtual ::sal_Int32 SAL_CALL getCurrentPenColor( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maRenderState.m_aPenColor.getInValue(); + } + + virtual ::sal_Int32 SAL_CALL getCurrentFillColor( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maRenderState.m_aFillColor.getInValue(); + } + + virtual geometry::RealRectangle2D SAL_CALL getCurrentClipRect( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maRenderState.m_aRectClip.getInValue(); + } + + virtual geometry::AffineMatrix2D SAL_CALL getCurrentTransformation( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maRenderState.m_aTransformation; + } + + virtual rendering::ViewState SAL_CALL getCurrentViewState( ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + return maViewState; + } + + virtual rendering::RenderState SAL_CALL getCurrentRenderState( sal_Bool bUseFillColor ) throw (uno::RuntimeException) + { + ::osl::MutexGuard aGuard( m_aMutex ); + if( bUseFillColor ) + return createFillingRenderState(); + else + return createStrokingRenderState(); + } + + /////////////////////////////////////////////////////////////////////////////////////////////// + + typedef o3tl::LazyUpdate< + rendering::FontRequest, + uno::Reference< rendering::XCanvasFont >, + o3tl::LAZYUPDATE_FUNCTOR_TAG > SimpleFont; + + uno::Reference<rendering::XCanvas> mxCanvas; + SimpleFont maFont; + rendering::ViewState maViewState; + SimpleRenderState maRenderState; + }; + + namespace sdecl = comphelper::service_decl; +#if defined (__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ <= 3) + sdecl::class_<SimpleCanvasImpl, sdecl::with_args<true> > serviceImpl; + const sdecl::ServiceDecl simpleCanvasDecl( + serviceImpl, +#else + const sdecl::ServiceDecl simpleCanvasDecl( + sdecl::class_<SimpleCanvasImpl, sdecl::with_args<true> >(), +#endif + "com.sun.star.comp.rendering.SimpleCanvas", + SERVICE_NAME ); +} + +// The C shared lib entry points +COMPHELPER_SERVICEDECL_EXPORTS1(simpleCanvasDecl) |