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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 .
*/
#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
#include <drawinglayer/drawinglayerdllapi.h>
#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 DRAWINGLAYER_DLLPUBLIC HitTestProcessor2D : public BaseProcessor2D
{
private:
/// discrete HitTest position
basegfx::B2DPoint maDiscreteHitPosition;
/// discrete HitTolerance
double mfDiscreteHitTolerance;
/// bitfield
bool mbHit : 1;
bool 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
*/
bool mbUseInvisiblePrimitiveContent : 1;
/// flag to concentraze on text hits only
bool mbHitTextOnly : 1;
/// tooling methods
void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) SAL_OVERRIDE;
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
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