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/* -*- 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: */
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