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/*************************************************************************
*
* 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_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
#include <drawinglayer/processor2d/baseprocessor2d.hxx>
//////////////////////////////////////////////////////////////////////////////
// predeclarations
namespace basegfx { class B2DPolygon; }
namespace basegfx { class B2DPolyPolygon; }
namespace drawinglayer { namespace primitive2d { class ScenePrimitive2D; }}
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace processor2d
{
/** HitTestProcessor2D class
This processor implements a HitTest with the feeded primitives,
given tolerance and extras
*/
class HitTestProcessor2D : public BaseProcessor2D
{
private:
/// discrete HitTest position
basegfx::B2DPoint maDiscreteHitPosition;
/// discrete HitTolerance
double mfDiscreteHitTolerance;
/// bitfield
unsigned mbHit : 1;
unsigned mbHitToleranceUsed : 1;
/* this flag decides if primitives which are embedded to an
UnifiedTransparencePrimitive2D and are invisible will be taken into account for
HitTesting or not. Those primitives are created for objects which are else
completely invisible and normally their content exists of hairline
primitives describing the object's contour
*/
unsigned mbUseInvisiblePrimitiveContent : 1;
/// flag to concentraze on text hits only
unsigned mbHitTextOnly : 1;
/// tooling methods
void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate);
bool checkHairlineHitWithTolerance(
const basegfx::B2DPolygon& rPolygon,
double fDiscreteHitTolerance);
bool checkFillHitWithTolerance(
const basegfx::B2DPolyPolygon& rPolyPolygon,
double fDiscreteHitTolerance);
void check3DHit(const primitive2d::ScenePrimitive2D& rCandidate);
public:
HitTestProcessor2D(
const geometry::ViewInformation2D& rViewInformation,
const basegfx::B2DPoint& rLogicHitPosition,
double fLogicHitTolerance,
bool bHitTextOnly);
virtual ~HitTestProcessor2D();
/// data write access
void setUseInvisiblePrimitiveContent(bool bNew)
{
if((bool)mbUseInvisiblePrimitiveContent != bNew) mbUseInvisiblePrimitiveContent = bNew;
}
/// data read access
const basegfx::B2DPoint& getDiscreteHitPosition() const { return maDiscreteHitPosition; }
double getDiscreteHitTolerance() const { return mfDiscreteHitTolerance; }
bool getHit() const { return mbHit; }
bool getHitToleranceUsed() const { return mbHitToleranceUsed; }
bool getUseInvisiblePrimitiveContent() const { return mbUseInvisiblePrimitiveContent;}
bool getHitTextOnly() const { return mbHitTextOnly; }
};
} // end of namespace processor2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
// eof
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