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/* -*- 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/drawinglayerdllapi.h>
#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 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; }
/// 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 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; }
/// 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 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; }
/// 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 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; }
/// 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: */
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