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tdeedu/kig/objects/intersection_types.h

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// Copyright (C) 2003 Dominique Devriese <devriese@kde.org>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// This program 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
#ifndef KIG_OBJECTS_INTERSECTION_TYPES_H
#define KIG_OBJECTS_INTERSECTION_TYPES_H
#include "object_type.h"
/**
* conic line intersection. This also serves as circle-line
* intersection, in which case it uses the easier way to calc
* ... There is no separate CircleLineIntersectionPoint, since the
* difference between both types is quite small ( same number of
* intersections with a line, for example.. ), and since with
* transformations, Circles might dynamically change types to
* Conics..
*/
class ConicLineIntersectionType
: public ArgsParserObjectType
{
ConicLineIntersectionType();
~ConicLineIntersectionType();
public:
static const ConicLineIntersectionType* instance();
ObjectImp* calc( const Args& parents, const KigDocument& ) const;
const ObjectImpType* resultId() const;
};
/**
* conic line 'other' intersection. In case we already know one of the
* two intersections
*/
class ConicLineOtherIntersectionType
: public ArgsParserObjectType
{
ConicLineOtherIntersectionType();
~ConicLineOtherIntersectionType();
public:
static const ConicLineOtherIntersectionType* instance();
ObjectImp* calc( const Args& parents, const KigDocument& ) const;
const ObjectImpType* resultId() const;
};
class LineLineIntersectionType
: public ArgsParserObjectType
{
LineLineIntersectionType();
~LineLineIntersectionType();
public:
static const LineLineIntersectionType* instance();
ObjectImp* calc( const Args& parents, const KigDocument& ) const;
const ObjectImpType* resultId() const;
};
class LineCubicIntersectionType
: public ArgsParserObjectType
{
LineCubicIntersectionType();
~LineCubicIntersectionType();
public:
static const LineCubicIntersectionType* instance();
ObjectImp* calc( const Args& parents, const KigDocument& ) const;
const ObjectImpType* resultId() const;
};
class CircleCircleIntersectionType
: public ArgsParserObjectType
{
CircleCircleIntersectionType();
~CircleCircleIntersectionType();
public:
static const CircleCircleIntersectionType* instance();
ObjectImp* calc( const Args& parents, const KigDocument& ) const;
const ObjectImpType* resultId() const;
};
/**
* arc line intersection.
*/
class ArcLineIntersectionType
: public ArgsParserObjectType
{
ArcLineIntersectionType();
~ArcLineIntersectionType();
public:
static const ArcLineIntersectionType* instance();
ObjectImp* calc( const Args& parents, const KigDocument& ) const;
const ObjectImpType* resultId() const;
};
#endif