344 lines
11 KiB
C++
344 lines
11 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) 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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#include <QAction>
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#include <QMouseEvent>
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#include "rs_actionpolylinesegment.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_arc.h"
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#include "rs_line.h"
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#include "rs_polyline.h"
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#include "rs_debug.h"
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namespace {
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std::initializer_list<RS2::EntityType>
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entityType{RS2::EntityLine, RS2::EntityPolyline, RS2::EntityArc};
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}
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RS_ActionPolylineSegment::RS_ActionPolylineSegment(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Create Polyline Existing from Segments",
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container, graphicView) {
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actionType=RS2::ActionPolylineSegment;
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}
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void RS_ActionPolylineSegment::init(int status) {
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RS_ActionInterface::init(status);
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targetEntity = nullptr;
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//Experimental feature: trigger action, if already has selected entities
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if (container->countSelected(true, entityType)) {
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//find a selected entity
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//TODO, find a better starting point
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for (RS_Entity* e : *container) {
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if (e->isSelected() &&
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std::count(entityType.begin(), entityType.end(), e->rtti())) {
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targetEntity = e;
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break;
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}
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}
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if (targetEntity) {
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convertPolyline(targetEntity, true);
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RS_DIALOGFACTORY->commandMessage(tr("Polyline created"));
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graphicView->redraw();
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RS_DIALOGFACTORY->updateSelectionWidget(container->countSelected(),container->totalSelectedLength());
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finish(false);
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return;
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}
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}
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}
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/**
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* Utility function for convertPolyline
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* Appends in current the vertex from toAdd reversing if reversed is true
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* The first vertex is not added and the last is returned instead of added
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*
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* @retval RS_Vector with the last vertex not inserted
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*
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* @author Rallaz
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*/
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RS_Vector RS_ActionPolylineSegment::appendPol(RS_Polyline *current, RS_Polyline *toAdd, bool reversed) {
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QList<RS_Entity*> entities;
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for(auto v: *toAdd){
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if (reversed)
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entities.prepend(v);
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else
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entities.append(v);
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}
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//bad polyline without vertex
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if (entities.isEmpty())
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return RS_Vector(false);
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double bulge=0.0;
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RS_Entity* e = entities.takeFirst() ;
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//First polyline vertex
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if (e->rtti() == RS2::EntityArc) {
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if (reversed)
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current->setNextBulge(((RS_Arc*)e)->getBulge()*-1);
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else
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current->setNextBulge(((RS_Arc*)e)->getBulge());
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}
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while (!entities.isEmpty()) {
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e = entities.takeFirst();
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if (e->rtti()==RS2::EntityArc) {
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if (reversed)
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bulge = ((RS_Arc*)e)->getBulge()*-1;
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else
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bulge = ((RS_Arc*)e)->getBulge();
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} else
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bulge = 0.0;
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if (reversed)
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current->addVertex(e->getEndpoint(),bulge, false);
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else
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current->addVertex(e->getStartpoint(),bulge, false);
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}
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if (reversed)
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return e->getStartpoint();
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else
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return e->getEndpoint();
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}
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/**
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* Rearranges the lines, arcs or opened polylines entities
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* in this container, non-recoursive.
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* document can not be null
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*
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* @retval true contour are closed
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* @retval false if the contour is not closed
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*
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* @author Rallaz
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*/
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bool RS_ActionPolylineSegment::convertPolyline(RS_Entity* selectedEntity, bool useSelected) {
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RS_DEBUG->print("RS_ActionPolylineSegment::convertPolyline");
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QList<RS_Entity*> remaining;
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QList<RS_Entity*> completed;
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RS_Vector start = selectedEntity->getStartpoint();
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RS_Vector end = selectedEntity->getEndpoint();
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if (!useSelected || (selectedEntity && selectedEntity->isSelected()))
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completed.append(selectedEntity);
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//get list with useful entities
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for (RS_Entity* e1 : *container) {
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if (useSelected && !e1->isSelected()) continue;
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if (e1->isLocked() || !e1->isVisible() || e1 == selectedEntity) continue;
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if (e1->rtti()==RS2::EntityLine || e1->rtti()==RS2::EntityArc
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|| e1->rtti()==RS2::EntityPolyline) {
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if (targetEntity->rtti()==RS2::EntityPolyline && ((RS_Polyline*)targetEntity)->isClosed())
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continue;
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if (e1 == selectedEntity)
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continue;
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remaining.append(e1);
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}
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}
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// find all connected entities:
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bool done = true;
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do {
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done = true;
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for (int i=(remaining.size() -1) ; i>=0; --i) {
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RS_Entity* e=remaining.at(i);
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if (e->getEndpoint().distanceTo(start) < 1.0e-4) {
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completed.prepend( e);
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start = e->getStartpoint();
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remaining.removeAt(i);
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done = false;
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} else if (e->getStartpoint().distanceTo(start) < 1.0e-4) {
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completed.prepend( e);
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start = e->getEndpoint();
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remaining.removeAt(i);
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done = false;
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} else if (e->getEndpoint().distanceTo(end) < 1.0e-4) {
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completed.append( e);
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end = e->getStartpoint();
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remaining.removeAt(i);
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done = false;
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} else if (e->getStartpoint().distanceTo(end) < 1.0e-4) {
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completed.append( e);
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end = e->getEndpoint();
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remaining.removeAt(i);
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done = false;
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}
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}
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} while (!done);
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//cleanup for no more needed list
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remaining.clear();
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bool closed = false;
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if (document) {
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document->startUndoCycle();
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bool revert = false;
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double bulge = 0.0;
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if (end.distanceTo(start) < 1.0e-4)
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closed = true;
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RS_Polyline* newPolyline = new RS_Polyline(container, RS_PolylineData(RS_Vector(false), RS_Vector(false), closed));
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newPolyline->setLayerToActive();
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newPolyline->setPenToActive();
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//complete polyline
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end =start;
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while (!completed.isEmpty()) {
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RS_Entity* e2= completed.takeFirst();
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e2->setUndoState(true);
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document->addUndoable(e2);
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if (e2->getStartpoint().distanceTo(end) < 1.0e-4) {
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revert = false;
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start = e2->getStartpoint();
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end = e2->getEndpoint();
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} else {
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revert = true;
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start = e2->getEndpoint();
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end = e2->getStartpoint();
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}
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if (e2->rtti()==RS2::EntityArc) {
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if (revert)
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bulge = ((RS_Arc*)e2)->getBulge()*-1;
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else
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bulge = ((RS_Arc*)e2)->getBulge();
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} else
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bulge = 0.0;
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if (e2->rtti()==RS2::EntityPolyline) {
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newPolyline->addVertex(start, bulge);
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end = appendPol(newPolyline, (RS_Polyline*)e2, revert);
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} else
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newPolyline->addVertex(start, bulge);
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}
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if (closed)
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newPolyline->setClosed(true);
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else
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newPolyline->addVertex(end, bulge);
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newPolyline->endPolyline();
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container->addEntity(newPolyline);
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if (graphicView) {
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graphicView->drawEntity(newPolyline);
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}
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document->addUndoable(newPolyline);
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document->endUndoCycle();
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}
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RS_DEBUG->print("RS_ActionPolylineSegment::convertPolyline: OK");
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return closed;
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}
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void RS_ActionPolylineSegment::trigger() {
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RS_DEBUG->print("RS_ActionPolylineSegment::trigger()");
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if (targetEntity /*&& selectedSegment && targetPoint.valid */) {
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targetEntity->setHighlighted(false);
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graphicView->drawEntity(targetEntity);
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//RLZ: do not use container->optimizeContours(); because it invalidate targetEntity
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// container->optimizeContours();
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convertPolyline(targetEntity);
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targetEntity = nullptr;
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setStatus(ChooseEntity);
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RS_DIALOGFACTORY->updateSelectionWidget(container->countSelected(),container->totalSelectedLength());
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}
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////////////////////////////////////////2006/06/15
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graphicView->redraw();
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////////////////////////////////////////
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}
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void RS_ActionPolylineSegment::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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switch (getStatus()) {
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case ChooseEntity:
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targetEntity = catchEntity(e, entityType);
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if (targetEntity==nullptr) {
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RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
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} else if (targetEntity->rtti()==RS2::EntityPolyline && ((RS_Polyline*)targetEntity)->isClosed()){
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RS_DIALOGFACTORY->commandMessage(
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tr("Entity can not be a closed polyline."));
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} else {
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//TODO, verify topology of selected
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targetEntity->setHighlighted(true);
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graphicView->drawEntity(targetEntity);
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// setStatus(SetReferencePoint);
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////////////////////////////////////////2006/06/15
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graphicView->redraw();
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////////////////////////////////////////
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trigger();
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}
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break;
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default:
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break;
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}
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} else if (e->button()==Qt::RightButton) {
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deleteSnapper();
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if (targetEntity) {
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targetEntity->setHighlighted(false);
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graphicView->drawEntity(targetEntity);
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////////////////////////////////////////2006/06/15
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graphicView->redraw();
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////////////////////////////////////////
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}
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init(getStatus()-1);
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}
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/* if (e->button())==Qt::LeftButton) {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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} else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton) {
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deletePreview();
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deleteSnapper
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init(getStatus()-1);
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}
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*/
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}
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void RS_ActionPolylineSegment::updateMouseButtonHints() {
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switch (getStatus()) {
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case ChooseEntity:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Choose one of the segments on the original polyline"),
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tr("Cancel"));
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break;
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default:
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RS_DIALOGFACTORY->updateMouseWidget();
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break;
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}
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}
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void RS_ActionPolylineSegment::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::SelectCursor);
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}
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// EOF
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