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/*************************************************************************
*
* 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/primitivetools2d.hxx>
#include <basegfx/vector/b2dvector.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence DiscreteMetricDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard( m_aMutex );
// get the current DiscreteUnit
const double fDiscreteUnit((rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0)).getLength());
if(getBuffered2DDecomposition().hasElements() && !basegfx::fTools::equal(fDiscreteUnit, getDiscreteUnit()))
{
// conditions of last local decomposition have changed, delete
const_cast< DiscreteMetricDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
}
if(!getBuffered2DDecomposition().hasElements())
{
// remember new valid DiscreteUnit
const_cast< DiscreteMetricDependentPrimitive2D* >(this)->mfDiscreteUnit = fDiscreteUnit;
}
// call base implementation
return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation);
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence ViewportDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard( m_aMutex );
// get the current Viewport
const basegfx::B2DRange& rViewport = rViewInformation.getViewport();
if(getBuffered2DDecomposition().hasElements() && !rViewport.equal(getViewport()))
{
// conditions of last local decomposition have changed, delete
const_cast< ViewportDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
}
if(!getBuffered2DDecomposition().hasElements())
{
// remember new valid DiscreteUnit
const_cast< ViewportDependentPrimitive2D* >(this)->maViewport = rViewport;
}
// call base implementation
return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation);
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence ViewTransformationDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard( m_aMutex );
// get the current ViewTransformation
const basegfx::B2DHomMatrix& rViewTransformation = rViewInformation.getViewTransformation();
if(getBuffered2DDecomposition().hasElements() && rViewTransformation != getViewTransformation())
{
// conditions of last local decomposition have changed, delete
const_cast< ViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
}
if(!getBuffered2DDecomposition().hasElements())
{
// remember new valid ViewTransformation
const_cast< ViewTransformationDependentPrimitive2D* >(this)->maViewTransformation = rViewTransformation;
}
// call base implementation
return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation);
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence ObjectAndViewTransformationDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard( m_aMutex );
// get the current ViewTransfromation
const basegfx::B2DHomMatrix& rViewTransformation = rViewInformation.getViewTransformation();
if(getBuffered2DDecomposition().hasElements() && rViewTransformation != getViewTransformation())
{
// conditions of last local decomposition have changed, delete
const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
}
// get the current ObjectTransformation
const basegfx::B2DHomMatrix& rObjectTransformation = rViewInformation.getObjectTransformation();
if(getBuffered2DDecomposition().hasElements() && rObjectTransformation != getObjectTransformation())
{
// conditions of last local decomposition have changed, delete
const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
}
if(!getBuffered2DDecomposition().hasElements())
{
// remember new valid ViewTransformation, and ObjectTransformation
const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->maViewTransformation = rViewTransformation;
const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->maObjectTransformation = rObjectTransformation;
}
// call base implementation
return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation);
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
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