init

2024-03-06 14:54:30 +08:00
commit edac2715f0
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--- a/lib/engine/rs_point.h
+++ b/lib/engine/rs_point.h
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** 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_POINT_H
+#define RS_POINT_H
+
+#include "rs_atomicentity.h"
+
+/**
+ * Holds the data that defines a point.
+ */
+struct RS_PointData {
+    RS_PointData(const RS_Vector& pos): pos(pos) {}
+
+    friend std::ostream& operator << (std::ostream& os, const RS_PointData& pd);
+
+    RS_Vector pos;
+};
+
+/**
+ * Class for a point entity.
+ *
+ * @author Andrew Mustun
+ */
+class RS_Point : public RS_AtomicEntity {
+public:
+    RS_Point(RS_EntityContainer* parent,
+             const RS_PointData& d);
+
+	RS_Entity* clone() const override;
+
+    /**	@return RS_ENTITY_POINT */
+	RS2::EntityType rtti() const override;
+
+    /**
+         * @return Start point of the entity.
+         */
+	RS_Vector getStartpoint() const override;
+    /**
+         * @return End point of the entity.
+         */
+	RS_Vector getEndpoint() const override;
+
+		void moveStartpoint(const RS_Vector& pos) override;
+
+    /** @return Copy of data that defines the point. */
+    RS_PointData getData() const;
+
+	RS_VectorSolutions getRefPoints() const override;
+
+    /** @return Position of the point */
+    RS_Vector getPos() const;
+
+    /** Sets a new position for this point. */
+    void setPos(const RS_Vector& pos);
+	RS_Vector getCenter() const override;
+	double getRadius() const override;
+	bool isTangent(const RS_CircleData& circleData) const override;
+
+	RS_Vector getMiddlePoint(void)const override;
+	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_Point& p);
+
+    /** Recalculates the borders of this entity. */
+	void calculateBorders () override;
+
+protected:
+    RS_PointData data;
+    //RS_Vector point;
+};
+#endif