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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// 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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