Files
libreoffice/drawinglayer/source/primitive2d/baseprimitive2d.cxx
2008-05-27 13:11:34 +00:00

265 lines
8.9 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: baseprimitive2d.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"
#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <basegfx/tools/canvastools.hxx>
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence BasePrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
{
return Primitive2DSequence();
}
BasePrimitive2D::BasePrimitive2D()
: BasePrimitive2DImplBase(m_aMutex),
maLocalDecomposition()
{
}
bool BasePrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const
{
return (getPrimitiveID() == rPrimitive.getPrimitiveID());
}
basegfx::B2DRange BasePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
return getB2DRangeFromPrimitive2DSequence(get2DDecomposition(rViewInformation), rViewInformation);
}
Primitive2DSequence BasePrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard( m_aMutex );
if(!getLocalDecomposition().hasElements())
{
const Primitive2DSequence aNewSequence(createLocalDecomposition(rViewInformation));
const_cast< BasePrimitive2D* >(this)->setLocalDecomposition(aNewSequence);
}
return getLocalDecomposition();
}
Primitive2DSequence SAL_CALL BasePrimitive2D::getDecomposition( const uno::Sequence< beans::PropertyValue >& rViewParameters ) throw ( uno::RuntimeException )
{
const geometry::ViewInformation2D aViewInformation(rViewParameters);
return get2DDecomposition(aViewInformation);
}
com::sun::star::geometry::RealRectangle2D SAL_CALL BasePrimitive2D::getRange( const uno::Sequence< beans::PropertyValue >& rViewParameters ) throw ( uno::RuntimeException )
{
const geometry::ViewInformation2D aViewInformation(rViewParameters);
return basegfx::unotools::rectangle2DFromB2DRectangle(getB2DRange(aViewInformation));
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// tooling
namespace drawinglayer
{
namespace primitive2d
{
// get B2DRange from a given Primitive2DReference
basegfx::B2DRange getB2DRangeFromPrimitive2DReference(const Primitive2DReference& rCandidate, const geometry::ViewInformation2D& aViewInformation)
{
basegfx::B2DRange aRetval;
if(rCandidate.is())
{
// try to get C++ implementation base
const BasePrimitive2D* pCandidate(dynamic_cast< BasePrimitive2D* >(rCandidate.get()));
if(pCandidate)
{
// use it if possible
aRetval.expand(pCandidate->getB2DRange(aViewInformation));
}
else
{
// use UNO API call instead
const uno::Sequence< beans::PropertyValue >& rViewParameters(aViewInformation.getViewInformationSequence());
aRetval.expand(basegfx::unotools::b2DRectangleFromRealRectangle2D(rCandidate->getRange(rViewParameters)));
}
}
return aRetval;
}
// get B2DRange from a given Primitive2DSequence
basegfx::B2DRange getB2DRangeFromPrimitive2DSequence(const Primitive2DSequence& rCandidate, const geometry::ViewInformation2D& aViewInformation)
{
basegfx::B2DRange aRetval;
if(rCandidate.hasElements())
{
const sal_Int32 nCount(rCandidate.getLength());
for(sal_Int32 a(0L); a < nCount; a++)
{
aRetval.expand(getB2DRangeFromPrimitive2DReference(rCandidate[a], aViewInformation));
}
}
return aRetval;
}
bool arePrimitive2DReferencesEqual(const Primitive2DReference& rxA, const Primitive2DReference& rxB)
{
const sal_Bool bAIs(rxA.is());
if(bAIs != rxB.is())
{
return false;
}
if(!bAIs)
{
return true;
}
const BasePrimitive2D* pA(dynamic_cast< const BasePrimitive2D* >(rxA.get()));
const BasePrimitive2D* pB(dynamic_cast< const BasePrimitive2D* >(rxB.get()));
const bool bAEqualZero(pA == 0L);
if(bAEqualZero != (pB == 0L))
{
return false;
}
if(bAEqualZero)
{
return false;
}
return (pA->operator==(*pB));
}
bool arePrimitive2DSequencesEqual(const Primitive2DSequence& rA, const Primitive2DSequence& rB)
{
const sal_Bool bAHasElements(rA.hasElements());
if(bAHasElements != rB.hasElements())
{
return false;
}
if(!bAHasElements)
{
return true;
}
const sal_Int32 nCount(rA.getLength());
if(nCount != rB.getLength())
{
return false;
}
for(sal_Int32 a(0L); a < nCount; a++)
{
if(!arePrimitive2DReferencesEqual(rA[a], rB[a]))
{
return false;
}
}
return true;
}
// concatenate sequence
void appendPrimitive2DSequenceToPrimitive2DSequence(Primitive2DSequence& rDest, const Primitive2DSequence& rSource)
{
if(rSource.hasElements())
{
if(rDest.hasElements())
{
const sal_Int32 nSourceCount(rSource.getLength());
const sal_Int32 nDestCount(rDest.getLength());
const sal_Int32 nTargetCount(nSourceCount + nDestCount);
sal_Int32 nInsertPos(nDestCount);
rDest.realloc(nTargetCount);
for(sal_Int32 a(0L); a < nSourceCount; a++)
{
if(rSource[a].is())
{
rDest[nInsertPos++] = rSource[a];
}
}
if(nInsertPos != nTargetCount)
{
rDest.realloc(nInsertPos);
}
}
else
{
rDest = rSource;
}
}
}
// concatenate single Primitive2D
void appendPrimitive2DReferenceToPrimitive2DSequence(Primitive2DSequence& rDest, const Primitive2DReference& rSource)
{
if(rSource.is())
{
const sal_Int32 nDestCount(rDest.getLength());
rDest.realloc(nDestCount + 1L);
rDest[nDestCount] = rSource;
}
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof