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newspark110/lib/engine/rs_constructionline.h
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

141 lines
4.7 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef RS_CONSTRUCTIONLINE_H
#define RS_CONSTRUCTIONLINE_H
#include "rs_atomicentity.h"
#include "rs_vector.h"
/**
* Holds the data that defines a construction line (a line
* which is not limited to both directions).
*/
class RS_ConstructionLineData {
public:
/**
* Default constructor
*/
RS_ConstructionLineData();
RS_ConstructionLineData(const RS_Vector& point1,
const RS_Vector& point2);
friend class RS_ConstructionLine;
friend std::ostream& operator << (std::ostream& os,
const RS_ConstructionLineData& ld);
private:
RS_Vector point1;
RS_Vector point2;
};
/**
* Class for a construction line entity.
*
* @author Andrew Mustun
*/
class RS_ConstructionLine : public RS_AtomicEntity {
public:
RS_ConstructionLine()=default;
RS_ConstructionLine(RS_EntityContainer* parent,
const RS_ConstructionLineData& d);
virtual RS_Entity* clone() const;
virtual ~RS_ConstructionLine()=default;
/** @return RS2::EntityConstructionLine */
virtual RS2::EntityType rtti() const {
return RS2::EntityConstructionLine;
}
/** @return Copy of data that defines the line. */
RS_ConstructionLineData const& getData() const;
/** @return First definition point. */
RS_Vector const& getPoint1() const;
/** @return Second definition point. */
RS_Vector const& getPoint2() const;
/** @return Start point of the entity */
RS_Vector getStartpoint() const override;
/** @return End point of the entity */
RS_Vector getEndpoint() const override;
double getDirection1(void) const override;
double getDirection2(void) const override;
/** return the equation of the entity
for quadratic,
return a vector contains:
m0 x^2 + m1 xy + m2 y^2 + m3 x + m4 y + m5 =0
for linear:
m0 x + m1 y + m2 =0
**/
virtual LC_Quadratic getQuadratic() const;
virtual RS_Vector getMiddlePoint(void) const;
virtual RS_Vector getNearestEndpoint(const RS_Vector& coord,
double* dist = NULL)const;
virtual RS_Vector getNearestPointOnEntity(const RS_Vector& coord,
bool onEntity = true, double* dist = NULL, RS_Entity** entity=NULL)const;
virtual RS_Vector getNearestCenter(const RS_Vector& coord,
double* dist = NULL)const;
virtual RS_Vector getNearestMiddle(const RS_Vector& coord,
double* dist = NULL,
int middlePoints = 1)const;
virtual RS_Vector getNearestDist(double distance,
const RS_Vector& coord,
double* dist = NULL)const;
virtual double getDistanceToPoint(const RS_Vector& coord,
RS_Entity** entity=NULL,
RS2::ResolveLevel level=RS2::ResolveNone,
double solidDist = RS_MAXDOUBLE) const;
virtual void move(const RS_Vector& offset);
virtual void rotate(const RS_Vector& center, const double& angle);
virtual void rotate(const RS_Vector& center, const RS_Vector& angleVector);
virtual void scale(const RS_Vector& center, const RS_Vector& factor);
virtual void mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2);
virtual void draw(RS_Painter* /*painter*/, RS_GraphicView* /*view*/,
double& /*patternOffset*/) {}
friend std::ostream& operator << (std::ostream& os,
const RS_ConstructionLine& l);
virtual void calculateBorders();
protected:
RS_ConstructionLineData data;
};
#endif