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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <basegfx/utils/unopolypolygon.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <utility>
+
+using namespace ::com::sun::star;
+
+namespace basegfx::unotools
+{
+ UnoPolyPolygon::UnoPolyPolygon( B2DPolyPolygon aPolyPoly ) :
+ maPolyPoly(std::move( aPolyPoly )),
+ 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 )
+ {
+ std::unique_lock 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(
+ "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( utils::getRange( aSrcPoly ) );
+ const B2DVector aOffset( unotools::b2DPointFromRealPoint2D( position ) -
+ aBounds.getMinimum() );
+
+ if( !aOffset.equalZero() )
+ {
+ const B2DHomMatrix aTranslate(utils::createTranslateB2DHomMatrix(aOffset));
+ aSrcPoly.transform( aTranslate );
+ }
+
+ maPolyPoly.append( aSrcPoly );
+ }
+
+ sal_Int32 SAL_CALL UnoPolyPolygon::getNumberOfPolygons()
+ {
+ std::unique_lock const guard( m_aMutex );
+ return maPolyPoly.count();
+ }
+
+ sal_Int32 SAL_CALL UnoPolyPolygon::getNumberOfPolygonPoints(
+ sal_Int32 polygon )
+ {
+ std::unique_lock const guard( m_aMutex );
+ checkIndex( polygon );
+
+ return maPolyPoly.getB2DPolygon(polygon).count();
+ }
+
+ rendering::FillRule SAL_CALL UnoPolyPolygon::getFillRule()
+ {
+ std::unique_lock const guard( m_aMutex );
+ return meFillRule;
+ }
+
+ void SAL_CALL UnoPolyPolygon::setFillRule(
+ rendering::FillRule fillRule )
+ {
+ std::unique_lock const guard( m_aMutex );
+ modifying();
+
+ meFillRule = fillRule;
+ }
+
+ sal_Bool SAL_CALL UnoPolyPolygon::isClosed(
+ sal_Int32 index )
+ {
+ std::unique_lock const guard( m_aMutex );
+ checkIndex( index );
+
+ return maPolyPoly.getB2DPolygon(index).isClosed();
+ }
+
+ void SAL_CALL UnoPolyPolygon::setClosed(
+ sal_Int32 index,
+ sal_Bool closedState )
+ {
+ std::unique_lock const guard( m_aMutex );
+ modifying();
+
+ if( index == -1 )
+ {
+ // 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 )
+ {
+ return unotools::pointSequenceSequenceFromB2DPolyPolygon(
+ getSubsetPolyPolygon( nPolygonIndex,
+ nNumberOfPolygons,
+ nPointIndex,
+ nNumberOfPoints ) );
+ }
+
+ void SAL_CALL UnoPolyPolygon::setPoints(
+ const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points,
+ sal_Int32 nPolygonIndex )
+ {
+ std::unique_lock 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 )
+ {
+ std::unique_lock const guard( m_aMutex );
+ checkIndex( nPolygonIndex );
+
+ const B2DPolygon& rPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
+
+ if( nPointIndex < 0 || o3tl::make_unsigned(nPointIndex) >= 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 )
+ {
+ std::unique_lock const guard( m_aMutex );
+ checkIndex( nPolygonIndex );
+ modifying();
+
+ B2DPolygon aPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
+
+ if( nPointIndex < 0 || o3tl::make_unsigned(nPointIndex) >= 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 )
+ {
+ return unotools::bezierSequenceSequenceFromB2DPolyPolygon(
+ getSubsetPolyPolygon( nPolygonIndex,
+ nNumberOfPolygons,
+ nPointIndex,
+ nNumberOfPoints ) );
+ }
+
+ void SAL_CALL UnoPolyPolygon::setBezierSegments(
+ const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points,
+ sal_Int32 nPolygonIndex )
+ {
+ std::unique_lock 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 )
+ {
+ std::unique_lock const guard( m_aMutex );
+ checkIndex( nPolygonIndex );
+
+ const B2DPolygon& rPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
+ const sal_uInt32 nPointCount(rPoly.count());
+
+ if( nPointIndex < 0 || o3tl::make_unsigned(nPointIndex) >= 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 )
+ {
+ std::unique_lock const guard( m_aMutex );
+ checkIndex( nPolygonIndex );
+ modifying();
+
+ B2DPolygon aPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
+ const sal_uInt32 nPointCount(aPoly.count());
+
+ if( nPointIndex < 0 || o3tl::make_unsigned(nPointIndex) >= 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
+ {
+ std::unique_lock 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)
+ 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;
+ }
+
+ OUString SAL_CALL UnoPolyPolygon::getImplementationName()
+ {
+ return "gfx::internal::UnoPolyPolygon";
+ }
+
+ sal_Bool SAL_CALL UnoPolyPolygon::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService(this, ServiceName);
+ }
+
+ uno::Sequence< OUString > SAL_CALL UnoPolyPolygon::getSupportedServiceNames()
+ {
+ return { "com.sun.star.rendering.PolyPolygon2D" };
+ }
+
+ B2DPolyPolygon UnoPolyPolygon::getPolyPolygon() const
+ {
+ std::unique_lock const guard( m_aMutex );
+
+ // detach result from us
+ B2DPolyPolygon aRet( maPolyPoly );
+ aRet.makeUnique();
+ return aRet;
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */