158 lines
5.0 KiB
C++
158 lines
5.0 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2018 A. Stebich (librecad@mail.lordofbikes.de)
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#ifndef RS_SOLID_H
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#define RS_SOLID_H
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#include <array>
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#include "rs_atomicentity.h"
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#include "rs_vector.h"
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/**
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* Holds the data that defines a solid.
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*/
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struct RS_SolidData
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{
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/**
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* Default constructor. Leaves the data object uninitialized.
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*/
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RS_SolidData();
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~RS_SolidData() = default;
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/**
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* Constructor for a solid with 3 corners.
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*/
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RS_SolidData(const RS_Vector& corner1,
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const RS_Vector& corner2,
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const RS_Vector& corner3);
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/**
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* Constructor for a solid with 4 corners.
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*/
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RS_SolidData(const RS_Vector& corner1,
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const RS_Vector& corner2,
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const RS_Vector& corner3,
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const RS_Vector& corner4);
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enum Corners {
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FirstCorner = 0,
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Triangle = 3,
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MaxCorners
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};
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std::array<RS_Vector, MaxCorners> corner;
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};
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std::ostream& operator << (std::ostream& os, const RS_SolidData& pd);
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/**
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* Class for a solid entity (e.g. dimension arrows).
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*
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* @author Andrew Mustun
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*/
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class RS_Solid : public RS_AtomicEntity
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{
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public:
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RS_Solid(RS_EntityContainer* parent,
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const RS_SolidData& d);
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RS_Entity* clone() const override;
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/** @return RS_ENTITY_POINT */
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RS2::EntityType rtti() const override
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{
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return RS2::EntitySolid;
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}
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/** @return Copy of data that defines the point. */
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RS_SolidData const& getData() const
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{
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return data;
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}
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/** @return true if this is a triangle. */
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bool isTriangle() const
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{
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return !data.corner[3].valid;
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}
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RS_Vector getCorner(int num) const;
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void shapeArrow(const RS_Vector& point,
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double angle,
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double arrowSize);
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RS_Vector getNearestEndpoint(const RS_Vector& coord,
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double* dist = nullptr) const override;
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RS_Vector getNearestPointOnEntity(const RS_Vector& coord,
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bool onEntity = true,
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double* dist = nullptr,
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RS_Entity** entity = nullptr) const override;
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RS_Vector getNearestCenter(const RS_Vector& coord,
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double* dist = nullptr) const override;
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RS_Vector getNearestMiddle(const RS_Vector& coord,
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double* dist = nullptr,
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int middlePoints = 1) const override;
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RS_Vector getNearestDist(double distance,
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const RS_Vector& coord,
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double* dist = nullptr) const override;
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double getDistanceToPoint(const RS_Vector& coord,
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RS_Entity** entity = nullptr,
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RS2::ResolveLevel level = RS2::ResolveNone,
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double solidDist = RS_MAXDOUBLE) const override;
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void move(const RS_Vector& offset) override;
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void rotate(const RS_Vector& center, const double& angle) override;
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void rotate(const RS_Vector& center, const RS_Vector& angleVector) override;
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void scale(const RS_Vector& center, const RS_Vector& factor) override;
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void mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2) override;
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void draw(RS_Painter* painter, RS_GraphicView* view, double& patternOffset) override;
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friend std::ostream& operator << (std::ostream& os, const RS_Solid& p);
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/** Recalculates the borders of this entity. */
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void calculateBorders() override;
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/** Check if is intersected by v1, v2 window.
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* @return true if is crossed false otherwise.
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**/
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bool isInCrossWindow(const RS_Vector& v1, const RS_Vector& v2) const;
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protected:
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RS_SolidData data;
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private:
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//helper method for getNearestPointOnEntity
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bool sign (const RS_Vector& v1, const RS_Vector& v2, const RS_Vector& v3) const;
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void setDistPtr(double *dist, const double value) const;
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};
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#endif
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