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Diffstat (limited to 'drawinglayer/source/primitive2d/primitivetools2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/primitivetools2d.cxx | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/primitivetools2d.cxx b/drawinglayer/source/primitive2d/primitivetools2d.cxx new file mode 100644 index 000000000000..af73fcf278a8 --- /dev/null +++ b/drawinglayer/source/primitive2d/primitivetools2d.cxx @@ -0,0 +1,173 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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_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 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |