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Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/primitivetools2d.hxx')
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1 files changed, 202 insertions, 0 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/primitivetools2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/primitivetools2d.hxx new file mode 100644 index 000000000000..3548b8971fd3 --- /dev/null +++ b/drawinglayer/inc/drawinglayer/primitive2d/primitivetools2d.hxx @@ -0,0 +1,202 @@ +/* -*- 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. + * + ************************************************************************/ + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVE2DTOOLS_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVE2DTOOLS_HXX + +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** DiscreteMetricDependentPrimitive2D class + + tooling class for BufferedDecompositionPrimitive2D baseed classes which are view-dependent + regarding the size of a discrete unit. The implementation of get2DDecomposition + guards the buffered local decomposition and ensures that a create2DDecomposition + implementation may use an up-to-date DiscreteUnit accessible using getDiscreteUnit() + */ + class DiscreteMetricDependentPrimitive2D : public BufferedDecompositionPrimitive2D + { + private: + /** the last used fDiscreteUnit definitions for decomposition. Since this + is checked and updated from get2DDecomposition() it will be current and + usable in create2DDecomposition() + */ + double mfDiscreteUnit; + + public: + /// constructor + DiscreteMetricDependentPrimitive2D() + : BufferedDecompositionPrimitive2D(), + mfDiscreteUnit(0.0) + { + } + + /// data read access + double getDiscreteUnit() const { return mfDiscreteUnit; } + + /// get local decomposition. Overloaded since this decomposition is view-dependent + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** ViewportDependentPrimitive2D class + + tooling class for BufferedDecompositionPrimitive2D baseed classes which are view-dependent + regarding the viewport. The implementation of get2DDecomposition + guards the buffered local decomposition and ensures that a create2DDecomposition + implementation may use an up-to-date Viewport accessible using getViewport() + */ + class ViewportDependentPrimitive2D : public BufferedDecompositionPrimitive2D + { + private: + /** the last used Viewport definition for decomposition. Since this + is checked and updated from get2DDecomposition() it will be current and + usable in create2DDecomposition() + */ + basegfx::B2DRange maViewport; + + public: + /// constructor + ViewportDependentPrimitive2D() + : BufferedDecompositionPrimitive2D(), + maViewport() + { + } + + /// data read access + const basegfx::B2DRange& getViewport() const { return maViewport; } + + /// get local decomposition. Overloaded since this decomposition is view-dependent + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** ViewTransformationDependentPrimitive2D class + + tooling class for BufferedDecompositionPrimitive2D based classes which are view-dependent + regarding the complete Viewtransformation. The implementation of get2DDecomposition + guards the buffered local decomposition and ensures that a create2DDecomposition + implementation may use an up-to-date ViewTransformation accessible using getViewTransformation() + */ + class ViewTransformationDependentPrimitive2D : public BufferedDecompositionPrimitive2D + { + private: + /** the last used ViewTransformation definition for decomposition. Since this + is checked and updated from get2DDecomposition() it will be current and + usable in create2DDecomposition() + */ + basegfx::B2DHomMatrix maViewTransformation; + + public: + /// constructor + ViewTransformationDependentPrimitive2D() + : BufferedDecompositionPrimitive2D(), + maViewTransformation() + { + } + + /// data read access + const basegfx::B2DHomMatrix& getViewTransformation() const { return maViewTransformation; } + + /// get local decomposition. Overloaded since this decomposition is view-dependent + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + /** ObjectAndViewTransformationDependentPrimitive2D class + + tooling class for BufferedDecompositionPrimitive2D based classes which are view-dependent + and Object-Transform dependent. The implementation of get2DDecomposition + guards the buffered local decomposition and ensures that a create2DDecomposition + implementation may use an up-to-date ViewTransformation accessible using getViewTransformation() + and an object transformation via getObjectTransformation() + */ + class ObjectAndViewTransformationDependentPrimitive2D : public BufferedDecompositionPrimitive2D + { + private: + /** the last used ViewTransformation and the last ObjectTransformation + definition for decomposition. Since this is checked and updated from + get2DDecomposition() it will be current and usable in create2DDecomposition() + */ + basegfx::B2DHomMatrix maViewTransformation; + basegfx::B2DHomMatrix maObjectTransformation; + + public: + /// constructor + ObjectAndViewTransformationDependentPrimitive2D() + : BufferedDecompositionPrimitive2D(), + maViewTransformation(), + maObjectTransformation() + { + } + + /// data read access + const basegfx::B2DHomMatrix& getViewTransformation() const { return maViewTransformation; } + const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; } + + /// get local decomposition. Overloaded since this decomposition is view-dependent + virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVE2DTOOLS_HXX + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |