librecad/src/lib/engine/document/entities/rs_dimlinear.h

/****************************************************************************
**
** 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_DIMLINEAR_H
#define RS_DIMLINEAR_H

#include "rs_dimension.h"

/**
 * Holds the data that defines a linear and aligned dimension entity.
 */
struct RS_DimLinearData {
    /**
	 * Default constructor
     */
	RS_DimLinearData();
    RS_DimLinearData(const RS_DimLinearData& other);

    /**
     * Constructor with initialisation.
     *
     * @para extensionPoint1 Startpoint of the first extension line.
     * @para extensionPoint2 Startpoint of the second extension line.
     * @param angle Rotation angle in rad.
     * @param oblique Oblique angle in rad.
     */
    RS_DimLinearData(const RS_Vector& extensionPoint1,
                     const RS_Vector& extensionPoint2,
					 double angle, double oblique);

    ~RS_DimLinearData();

    /** Definition point. Startpoint of the first definition line. */
    RS_Vector extensionPoint1;
    /** Definition point. Startpoint of the second definition line. */
    RS_Vector extensionPoint2;
    /** Rotation angle in rad. */
    double angle = 0.;
    /** Oblique angle in rad. */
    double oblique = 0.;
};

std::ostream& operator << (std::ostream& os,
									  const RS_DimLinearData& dd);

/**
 * Class for aligned dimension entities.
 *
 * @author Andrew Mustun
 */
class RS_DimLinear:public RS_Dimension {
public:
    RS_DimLinear(RS_EntityContainer *parent,const RS_DimensionData &d, const RS_DimLinearData &ed);
    RS_DimLinear(const RS_DimLinear& entity);
    ~RS_DimLinear() override = default;
    RS_Entity *clone() const override;

    /**	@return RS2::EntityDimLinear */
    RS2::EntityType rtti() const override{
        return RS2::EntityDimLinear;
    }

    /**
     * @return Copy of data that defines the linear dimension.
     * @see getData()
     */
    RS_DimLinearData getEData() const{
        return m_dimLinearData;
    }

    RS_VectorSolutions getRefPoints() const override;
    QString getMeasuredLabel() override;

    RS_Vector getExtensionPoint1() const{
        return m_dimLinearData.extensionPoint1;
    }

    RS_Vector getExtensionPoint2() const{
        return m_dimLinearData.extensionPoint2;
    }

    double getAngle() const{
        return m_dimLinearData.angle;
    }

    void setAngle(double a);

    double getOblique() const{
        return m_dimLinearData.oblique;
    }

    void move(const RS_Vector &offset) override;
    void rotate(const RS_Vector &center, double angle) override;
    void rotate(const RS_Vector &center, const RS_Vector &angleVector) override;
    void scale(const RS_Vector &center, const RS_Vector &factor) override;
    void mirror(const RS_Vector &axisPoint1, const RS_Vector &axisPoint2) override;
    bool hasEndpointsWithinWindow(const RS_Vector &v1, const RS_Vector &v2) const override;
    void stretch(
        const RS_Vector &firstCorner,
        const RS_Vector &secondCorner,
        const RS_Vector &offset) override;
    void moveRef(const RS_Vector &ref, const RS_Vector &offset) override;
    friend std::ostream &operator<<(
        std::ostream &os,
        const RS_DimLinear &d);
    void getDimPoints(RS_Vector &dimP1, RS_Vector &dimP2);
protected:
    /** Extended data. */
    RS_DimLinearData m_dimLinearData;

    void doUpdateDim() override;
};

#endif