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

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/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2018 A. Stebich (librecad@mail.lordofbikes.de)
** 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_SOLID_H
#define RS_SOLID_H
#include <array>
#include "rs_atomicentity.h"
#include "rs_vector.h"
/**
* Holds the data that defines a solid.
*/
struct RS_SolidData
{
/**
* Default constructor. Leaves the data object uninitialized.
*/
RS_SolidData();
~RS_SolidData() = default;
/**
* Constructor for a solid with 3 corners.
*/
RS_SolidData(const RS_Vector& corner1,
const RS_Vector& corner2,
const RS_Vector& corner3);
/**
* Constructor for a solid with 4 corners.
*/
RS_SolidData(const RS_Vector& corner1,
const RS_Vector& corner2,
const RS_Vector& corner3,
const RS_Vector& corner4);
enum Corners {
FirstCorner = 0,
Triangle = 3,
MaxCorners
};
std::array<RS_Vector, MaxCorners> corner;
};
std::ostream& operator << (std::ostream& os, const RS_SolidData& pd);
/**
* Class for a solid entity (e.g. dimension arrows).
*
* @author Andrew Mustun
*/
class RS_Solid : public RS_AtomicEntity
{
public:
RS_Solid(RS_EntityContainer* parent,
const RS_SolidData& d);
RS_Entity* clone() const override;
/** @return RS_ENTITY_POINT */
RS2::EntityType rtti() const override
{
return RS2::EntitySolid;
}
/** @return Copy of data that defines the point. */
RS_SolidData const& getData() const
{
return data;
}
/** @return true if this is a triangle. */
bool isTriangle() const
{
return !data.corner[3].valid;
}
RS_Vector getCorner(int num) const;
void shapeArrow(const RS_Vector& point,
double angle,
double arrowSize);
RS_Vector getNearestEndpoint(const RS_Vector& coord,
double* dist = nullptr) const override;
RS_Vector getNearestPointOnEntity(const RS_Vector& coord,
bool onEntity = true,
double* dist = nullptr,
RS_Entity** entity = nullptr) const override;
RS_Vector getNearestCenter(const RS_Vector& coord,
double* dist = nullptr) const override;
RS_Vector getNearestMiddle(const RS_Vector& coord,
double* dist = nullptr,
int middlePoints = 1) const override;
RS_Vector getNearestDist(double distance,
const RS_Vector& coord,
double* dist = nullptr) const override;
double getDistanceToPoint(const RS_Vector& coord,
RS_Entity** entity = nullptr,
RS2::ResolveLevel level = RS2::ResolveNone,
double solidDist = RS_MAXDOUBLE) const override;
void move(const RS_Vector& offset) override;
void rotate(const RS_Vector& center, const 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;
void draw(RS_Painter* painter, RS_GraphicView* view, double& patternOffset) override;
friend std::ostream& operator << (std::ostream& os, const RS_Solid& p);
/** Recalculates the borders of this entity. */
void calculateBorders() override;
/** Check if is intersected by v1, v2 window.
* @return true if is crossed false otherwise.
**/
bool isInCrossWindow(const RS_Vector& v1, const RS_Vector& v2) const;
protected:
RS_SolidData data;
private:
//helper method for getNearestPointOnEntity
bool sign (const RS_Vector& v1, const RS_Vector& v2, const RS_Vector& v3) const;
void setDistPtr(double *dist, const double value) const;
};
#endif