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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: contourextractor2d.hxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: aw $ $Date: 2008-06-24 15:30:17 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#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
{
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 of type HitTestPrimitive2D
// 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 mbUseHitTestPrimitiveContent : 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 setUseHitTestPrimitiveContent(bool bNew)
{
if((bool)mbUseHitTestPrimitiveContent != bNew) mbUseHitTestPrimitiveContent = 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 getUseHitTestPrimitiveContent() const { return mbUseHitTestPrimitiveContent;}
bool getHitTextOnly() const { return mbHitTextOnly; }
};
} // end of namespace processor2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
// eof
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