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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
{
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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