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Diffstat (limited to 'basegfx/source/tools/unopolypolygon.cxx')
-rwxr-xr-x | basegfx/source/tools/unopolypolygon.cxx | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/basegfx/source/tools/unopolypolygon.cxx b/basegfx/source/tools/unopolypolygon.cxx new file mode 100755 index 000000000000..871fed7c7d18 --- /dev/null +++ b/basegfx/source/tools/unopolypolygon.cxx @@ -0,0 +1,486 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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_basegfx.hxx" + +#include <com/sun/star/geometry/AffineMatrix2D.hpp> +#include <com/sun/star/rendering/RenderState.hpp> +#include <com/sun/star/rendering/ViewState.hpp> +#include <com/sun/star/rendering/XCanvas.hpp> +#include <com/sun/star/rendering/CompositeOperation.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/range/b2drectangle.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/tools/unopolypolygon.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + + +using namespace ::com::sun::star; + +namespace basegfx +{ +namespace unotools +{ + UnoPolyPolygon::UnoPolyPolygon( const B2DPolyPolygon& rPolyPoly ) : + UnoPolyPolygonBase( m_aMutex ), + maPolyPoly( rPolyPoly ), + meFillRule( rendering::FillRule_EVEN_ODD ) + { + // or else races will haunt us. + maPolyPoly.makeUnique(); + } + + void SAL_CALL UnoPolyPolygon::addPolyPolygon( + const geometry::RealPoint2D& position, + const uno::Reference< rendering::XPolyPolygon2D >& polyPolygon ) throw (lang::IllegalArgumentException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + modifying(); + + // TODO(F1): Correctly fulfill the UNO API + // specification. This will probably result in a vector of + // poly-polygons to be stored in this object. + + const sal_Int32 nPolys( polyPolygon->getNumberOfPolygons() ); + + if( !polyPolygon.is() || !nPolys ) + { + // invalid or empty polygon - nothing to do. + return; + } + + B2DPolyPolygon aSrcPoly; + const UnoPolyPolygon* pSrc( dynamic_cast< UnoPolyPolygon* >(polyPolygon.get()) ); + + // try to extract polygon data from interface. First, + // check whether it's the same implementation object, + // which we can tunnel then. + if( pSrc ) + { + aSrcPoly = pSrc->getPolyPolygon(); + } + else + { + // not a known implementation object - try data source + // interfaces + uno::Reference< rendering::XBezierPolyPolygon2D > xBezierPoly( + polyPolygon, + uno::UNO_QUERY ); + + if( xBezierPoly.is() ) + { + aSrcPoly = unotools::polyPolygonFromBezier2DSequenceSequence( + xBezierPoly->getBezierSegments( 0, + nPolys, + 0, + -1 ) ); + } + else + { + uno::Reference< rendering::XLinePolyPolygon2D > xLinePoly( + polyPolygon, + uno::UNO_QUERY ); + + // no implementation class and no data provider + // found - contract violation. + if( !xLinePoly.is() ) + throw lang::IllegalArgumentException( + ::rtl::OUString( + RTL_CONSTASCII_USTRINGPARAM( + "UnoPolyPolygon::addPolyPolygon(): Invalid input " + "poly-polygon, cannot retrieve vertex data")), + static_cast<cppu::OWeakObject*>(this), 1); + + aSrcPoly = unotools::polyPolygonFromPoint2DSequenceSequence( + xLinePoly->getPoints( 0, + nPolys, + 0, + -1 ) ); + } + } + + const B2DRange aBounds( tools::getRange( aSrcPoly ) ); + const B2DVector aOffset( unotools::b2DPointFromRealPoint2D( position ) - + aBounds.getMinimum() ); + + if( !aOffset.equalZero() ) + { + const B2DHomMatrix aTranslate(tools::createTranslateB2DHomMatrix(aOffset)); + aSrcPoly.transform( aTranslate ); + } + + maPolyPoly.append( aSrcPoly ); + } + + sal_Int32 SAL_CALL UnoPolyPolygon::getNumberOfPolygons() throw (uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + return maPolyPoly.count(); + } + + sal_Int32 SAL_CALL UnoPolyPolygon::getNumberOfPolygonPoints( + sal_Int32 polygon ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( polygon ); + + return maPolyPoly.getB2DPolygon(polygon).count(); + } + + rendering::FillRule SAL_CALL UnoPolyPolygon::getFillRule() throw (uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + return meFillRule; + } + + void SAL_CALL UnoPolyPolygon::setFillRule( + rendering::FillRule fillRule ) throw (uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + modifying(); + + meFillRule = fillRule; + } + + sal_Bool SAL_CALL UnoPolyPolygon::isClosed( + sal_Int32 index ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( index ); + + return maPolyPoly.getB2DPolygon(index).isClosed(); + } + + void SAL_CALL UnoPolyPolygon::setClosed( + sal_Int32 index, + sal_Bool closedState ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + modifying(); + + if( index == -1L ) + { + // set all + maPolyPoly.setClosed( closedState ); + } + else + { + checkIndex( index ); + + // fetch referenced polygon, change state + B2DPolygon aTmp( maPolyPoly.getB2DPolygon(index) ); + aTmp.setClosed( closedState ); + + // set back to container + maPolyPoly.setB2DPolygon( index, aTmp ); + } + } + + uno::Sequence< uno::Sequence< geometry::RealPoint2D > > SAL_CALL UnoPolyPolygon::getPoints( + sal_Int32 nPolygonIndex, + sal_Int32 nNumberOfPolygons, + sal_Int32 nPointIndex, + sal_Int32 nNumberOfPoints ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + + return unotools::pointSequenceSequenceFromB2DPolyPolygon( + getSubsetPolyPolygon( nPolygonIndex, + nNumberOfPolygons, + nPointIndex, + nNumberOfPoints ) ); + } + + void SAL_CALL UnoPolyPolygon::setPoints( + const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points, + sal_Int32 nPolygonIndex ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + modifying(); + + const B2DPolyPolygon& rNewPolyPoly( + unotools::polyPolygonFromPoint2DSequenceSequence( points ) ); + + if( nPolygonIndex == -1 ) + { + maPolyPoly = rNewPolyPoly; + } + else + { + checkIndex( nPolygonIndex ); + + maPolyPoly.insert( nPolygonIndex, rNewPolyPoly ); + } + } + + geometry::RealPoint2D SAL_CALL UnoPolyPolygon::getPoint( + sal_Int32 nPolygonIndex, + sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( nPolygonIndex ); + + const B2DPolygon& rPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) ); + + if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(rPoly.count()) ) + throw lang::IndexOutOfBoundsException(); + + return unotools::point2DFromB2DPoint( rPoly.getB2DPoint( nPointIndex ) ); + } + + void SAL_CALL UnoPolyPolygon::setPoint( + const geometry::RealPoint2D& point, + sal_Int32 nPolygonIndex, + sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( nPolygonIndex ); + modifying(); + + B2DPolygon aPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) ); + + if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(aPoly.count()) ) + throw lang::IndexOutOfBoundsException(); + + aPoly.setB2DPoint( nPointIndex, + unotools::b2DPointFromRealPoint2D( point ) ); + maPolyPoly.setB2DPolygon( nPolygonIndex, aPoly ); + } + + uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > SAL_CALL UnoPolyPolygon::getBezierSegments( + sal_Int32 nPolygonIndex, + sal_Int32 nNumberOfPolygons, + sal_Int32 nPointIndex, + sal_Int32 nNumberOfPoints ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + return unotools::bezierSequenceSequenceFromB2DPolyPolygon( + getSubsetPolyPolygon( nPolygonIndex, + nNumberOfPolygons, + nPointIndex, + nNumberOfPoints ) ); + } + + void SAL_CALL UnoPolyPolygon::setBezierSegments( + const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points, + sal_Int32 nPolygonIndex ) throw (lang::IndexOutOfBoundsException, + uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + modifying(); + const B2DPolyPolygon& rNewPolyPoly( + unotools::polyPolygonFromBezier2DSequenceSequence( points ) ); + + if( nPolygonIndex == -1 ) + { + maPolyPoly = rNewPolyPoly; + } + else + { + checkIndex( nPolygonIndex ); + + maPolyPoly.insert( nPolygonIndex, rNewPolyPoly ); + } + } + + geometry::RealBezierSegment2D SAL_CALL UnoPolyPolygon::getBezierSegment( sal_Int32 nPolygonIndex, + sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException, + uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( nPolygonIndex ); + + const B2DPolygon& rPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) ); + const sal_uInt32 nPointCount(rPoly.count()); + + if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(nPointCount) ) + throw lang::IndexOutOfBoundsException(); + + const B2DPoint& rPt( rPoly.getB2DPoint( nPointIndex ) ); + const B2DPoint& rCtrl0( rPoly.getNextControlPoint(nPointIndex) ); + const B2DPoint& rCtrl1( rPoly.getPrevControlPoint((nPointIndex + 1) % nPointCount) ); + + return geometry::RealBezierSegment2D( rPt.getX(), + rPt.getY(), + rCtrl0.getX(), + rCtrl0.getY(), + rCtrl1.getX(), + rCtrl1.getY() ); + } + + void SAL_CALL UnoPolyPolygon::setBezierSegment( const geometry::RealBezierSegment2D& segment, + sal_Int32 nPolygonIndex, + sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException, + uno::RuntimeException) + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( nPolygonIndex ); + modifying(); + + B2DPolygon aPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) ); + const sal_uInt32 nPointCount(aPoly.count()); + + if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(nPointCount) ) + throw lang::IndexOutOfBoundsException(); + + aPoly.setB2DPoint( nPointIndex, + B2DPoint( segment.Px, + segment.Py ) ); + aPoly.setNextControlPoint(nPointIndex, + B2DPoint(segment.C1x, segment.C1y)); + aPoly.setPrevControlPoint((nPointIndex + 1) % nPointCount, + B2DPoint(segment.C2x, segment.C2y)); + + maPolyPoly.setB2DPolygon( nPolygonIndex, aPoly ); + } + + B2DPolyPolygon UnoPolyPolygon::getSubsetPolyPolygon( + sal_Int32 nPolygonIndex, + sal_Int32 nNumberOfPolygons, + sal_Int32 nPointIndex, + sal_Int32 nNumberOfPoints ) const + { + osl::MutexGuard const guard( m_aMutex ); + checkIndex( nPolygonIndex ); + + const sal_Int32 nPolyCount( maPolyPoly.count() ); + + // check for "full polygon" case + if( !nPolygonIndex && + !nPointIndex && + nNumberOfPolygons == nPolyCount && + nNumberOfPoints == -1 ) + { + return maPolyPoly; + } + + B2DPolyPolygon aSubsetPoly; + + // create temporary polygon (as an extract from maPoly, + // which contains the requested subset) + for( sal_Int32 i=nPolygonIndex; i<nNumberOfPolygons; ++i ) + { + checkIndex(i); + + const B2DPolygon& rCurrPoly( maPolyPoly.getB2DPolygon(i) ); + + sal_Int32 nFirstPoint(0); + sal_Int32 nLastPoint(nPolyCount-1); + + if( nPointIndex && i==nPolygonIndex ) + { + // very first polygon - respect nPointIndex, if + // not zero + + // empty polygon - impossible to specify _any_ + // legal value except 0 here! + if( !nPolyCount && nPointIndex ) + throw lang::IndexOutOfBoundsException(); + + nFirstPoint = nPointIndex; + } + + if( i==nNumberOfPolygons-1 && nNumberOfPoints != -1 ) + { + // very last polygon - respect nNumberOfPoints + + // empty polygon - impossible to specify _any_ + // legal value except -1 here! + if( !nPolyCount ) + throw lang::IndexOutOfBoundsException(); + + nLastPoint = nFirstPoint+nNumberOfPoints; + } + + if( !nPolyCount ) + { + // empty polygon - index checks already performed + // above, now simply append empty polygon + aSubsetPoly.append( rCurrPoly ); + } + else + { + if( nFirstPoint < 0 || nFirstPoint >= nPolyCount ) + throw lang::IndexOutOfBoundsException(); + + if( nLastPoint < 0 || nLastPoint >= nPolyCount ) + throw lang::IndexOutOfBoundsException(); + + B2DPolygon aTmp; + for( sal_Int32 j=nFirstPoint; j<nLastPoint; ++j ) + aTmp.append( rCurrPoly.getB2DPoint(j) ); + + aSubsetPoly.append( aTmp ); + } + } + + return aSubsetPoly; + } + + B2DPolyPolygon UnoPolyPolygon::getPolyPolygonUnsafe() const + { + return maPolyPoly; + } + +#define IMPLEMENTATION_NAME "gfx::internal::UnoPolyPolygon" +#define SERVICE_NAME "com.sun.star.rendering.PolyPolygon2D" + ::rtl::OUString SAL_CALL UnoPolyPolygon::getImplementationName() throw( uno::RuntimeException ) + { + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); + } + + sal_Bool SAL_CALL UnoPolyPolygon::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) + { + return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); + } + + uno::Sequence< ::rtl::OUString > SAL_CALL UnoPolyPolygon::getSupportedServiceNames() throw( uno::RuntimeException ) + { + uno::Sequence< ::rtl::OUString > aRet(1); + aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); + + return aRet; + } + + B2DPolyPolygon UnoPolyPolygon::getPolyPolygon() const + { + osl::MutexGuard const guard( m_aMutex ); + + // detach result from us + B2DPolyPolygon aRet( maPolyPoly ); + aRet.makeUnique(); + return aRet; + } + +} +} |