FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2012-2014 Luke Parry <l.parry@warwick.ac.uk>            *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  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 Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <QPainterPath>
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#endif
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#include <Mod/TechDraw/App/Geometry.h>
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#include <Mod/TechDraw/App/DrawParametricTemplate.h>
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#include "QGIDrawingTemplate.h"
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using namespace TechDrawGui;
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QGIDrawingTemplate::QGIDrawingTemplate(QGSPage* scene) : QGITemplate(scene),
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                                                                                    pathItem(nullptr)
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{
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    pathItem = new QGraphicsPathItem;
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    // Invert the Y for the QGraphicsPathItem with Y pointing upwards
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    QTransform qtrans;
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    qtrans.scale(1., -1.);
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    pathItem->setTransform(qtrans);
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    addToGroup(pathItem);
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}
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QGIDrawingTemplate::~QGIDrawingTemplate()
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{
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    pathItem = nullptr;
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}
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void QGIDrawingTemplate::clearContents()
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{
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}
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TechDraw::DrawParametricTemplate * QGIDrawingTemplate::getParametricTemplate()
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{
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    if(pageTemplate && pageTemplate->isDerivedFrom(TechDraw::DrawParametricTemplate::getClassTypeId()))
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        return static_cast<TechDraw::DrawParametricTemplate *>(pageTemplate);
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    else
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        return nullptr;
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}
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void QGIDrawingTemplate::draw()
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{
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    TechDraw::DrawParametricTemplate *tmplte = getParametricTemplate();
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    if(!tmplte) {
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        throw Base::RuntimeError("Template Feuature not set for QGIDrawingTemplate");
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    }
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    // Clear the previous geometry stored
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    // Get a list of geometry and iterate
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    const TechDraw::BaseGeomPtrVector &geoms =  tmplte->getGeometry();
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    TechDraw::BaseGeomPtrVector::const_iterator it = geoms.begin();
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    QPainterPath path;
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    // Draw Edges
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    // iterate through all the geometries
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    for(; it != geoms.end(); ++it) {
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        switch((*it)->getGeomType()) {
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          case TechDraw::GENERIC: {
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            TechDraw::GenericPtr geom = std::static_pointer_cast<TechDraw::Generic>(*it);
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            path.moveTo(geom->points[0].x, geom->points[0].y);
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            std::vector<Base::Vector3d>::const_iterator it = geom->points.begin();
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            for(++it; it != geom->points.end(); ++it) {
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                path.lineTo((*it).x, (*it).y);
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            }
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            break;
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          }
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          default:
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            break;
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        }
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    }
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    pathItem->setPath(path);
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}
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void QGIDrawingTemplate::updateView(bool update)
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{
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    Q_UNUSED(update);
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    draw();
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}
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#include <Mod/TechDraw/Gui/moc_QGIDrawingTemplate.cpp>
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