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lib/creation/rs_creation.h

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+/****************************************************************************
+**
+** 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_CREATION_H
+#define RS_CREATION_H
+
+#include "rs_vector.h"
+
+class RS_Document;
+class RS_EntityContainer;
+class RS_GraphicView;
+class RS_Graphic;
+class RS_Entity;
+class RS_Arc;
+class RS_Circle;
+class RS_Ellipse;
+class RS_Line;
+class LC_SplinePoints;
+struct RS_BlockData;
+struct RS_ImageData;
+class RS_Image;
+struct RS_InsertData;
+class RS_Insert;
+class RS_Block;
+class QString;
+
+/**
+ * Data needed to insert library items.
+ */
+struct RS_LibraryInsertData {
+    QString file;
+    RS_Vector insertionPoint;
+    double factor;
+    double angle;
+};
+
+
+/**
+ * Class for the creation of new entities.
+ * This class is bound to an entity container in which the
+ * entities are stored. 
+ *
+ * @author Andrew Mustun
+ */
+class RS_Creation {
+public:
+    RS_Creation(RS_EntityContainer* container,
+                RS_GraphicView* graphicView=nullptr,
+                bool handleUndo=true);
+    ~RS_Creation()=default;
+
+    RS_Entity* createParallelThrough(const RS_Vector& coord,
+                                     int number,
+                                     RS_Entity* e);
+
+    RS_Entity* createParallel(const RS_Vector& coord,
+                              double distance,
+                              int number,
+                              RS_Entity* e);
+
+    RS_Line* createParallelLine(const RS_Vector& coord,
+                                double distance, int number,
+                                RS_Line* e);
+
+    RS_Arc* createParallelArc(const RS_Vector& coord,
+                              double distance, int number,
+                              RS_Arc* e);
+
+    RS_Circle* createParallelCircle(const RS_Vector& coord,
+                                    double distance, int number,
+                                    RS_Circle* e);
+
+    LC_SplinePoints* createParallelSplinePoints(const RS_Vector& coord,
+                                                double distance, int number,
+                                                LC_SplinePoints* e);
+
+    RS_Line* createBisector(const RS_Vector& coord1,
+                            const RS_Vector& coord2,
+                            double length,
+                            int num,
+                            RS_Line* l1,
+                            RS_Line* l2);
+
+    RS_Line* createTangent1(const RS_Vector& coord,
+                            const RS_Vector& point,
+                            RS_Entity* circle);
+/**
+ * create a tangent line which is orthogonal to the given RS_Line(normal)
+ */
+    RS_Line* createLineOrthTan(const RS_Vector& coord,
+                               RS_Line* normal,
+                               RS_Entity* circle);
+    RS_Line* createTangent2(const RS_Vector& coord,
+                            RS_Entity* circle1,
+                            RS_Entity* circle2);
+    /**
+      * create the path of centers of common tangent circles of the two given circles
+      *@ return nullptr, if failed
+      *@ at success return either an ellipse or hyperbola
+      */
+    std::vector<RS_Entity*> createCircleTangent2( RS_Entity* circle1,RS_Entity* circle2);
+
+    RS_Line* createLineRelAngle(const RS_Vector& coord,
+                                RS_Entity* entity,
+                                double angle,
+                                double length);
+
+    RS_Line* createPolygon(const RS_Vector& center,
+                           const RS_Vector& corner,
+                           int number);
+
+    RS_Line* createPolygon2(const RS_Vector& corner1,
+                            const RS_Vector& corner2,
+                            int number);
+
+    RS_Line* createPolygon3(const RS_Vector& center,
+                            const RS_Vector& tangent,
+                            int number);
+
+    RS_Insert* createInsert(const RS_InsertData* pdata);
+
+    RS_Image* createImage(const RS_ImageData* pdata);
+
+    RS_Block* createBlock(const RS_BlockData* data,
+                          const RS_Vector& referencePoint,
+                          const bool remove);
+
+    RS_Insert* createLibraryInsert(RS_LibraryInsertData& data);
+
+protected:
+    RS_EntityContainer* container;
+    RS_Graphic* graphic;
+    RS_Document* document;
+    RS_GraphicView* graphicView;
+    bool handleUndo;
+private:
+    void setEntity(RS_Entity* en) const;
+};
+
+#endif