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| -rw-r--r-- | include/drawinglayer/primitive2d/primitivetools2d.hxx | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/primitivetools2d.hxx b/include/drawinglayer/primitive2d/primitivetools2d.hxx new file mode 100644 index 000000000..db22a59b0 --- /dev/null +++ b/include/drawinglayer/primitive2d/primitivetools2d.hxx @@ -0,0 +1,159 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#pragma once + +#include <drawinglayer/drawinglayerdllapi.h> + +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + + +namespace drawinglayer::primitive2d +{ + /** DiscreteMetricDependentPrimitive2D class + + tooling class for BufferedDecompositionPrimitive2D based 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 DRAWINGLAYER_DLLPUBLIC 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; } + + /// Override standard getDecomposition to be view-dependent here + virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override; + }; + + /** ViewportDependentPrimitive2D class + + tooling class for BufferedDecompositionPrimitive2D based 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 DRAWINGLAYER_DLLPUBLIC 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; } + + /// Override standard getDecomposition to be view-dependent here + virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override; + }; + + /** 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 DRAWINGLAYER_DLLPUBLIC 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; } + + /// Override standard getDecomposition to be view-dependent here + virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override; + }; + + /** 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 DRAWINGLAYER_DLLPUBLIC 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; } + + /// Override standard getDecomposition to be view-dependent here + virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override; + }; +} // end of namespace drawinglayer::primitive2d + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |