FreeCAD/src/Mod/TechDraw/Gui/QGIViewSection.cpp
2016-07-11 15:32:16 +02:00

155 lines
5.6 KiB
C++

/***************************************************************************
* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <cmath>
#include <QAction>
#include <QApplication>
#include <QContextMenuEvent>
#include <QGraphicsScene>
#include <QMenu>
#include <QMouseEvent>
#include <QGraphicsSceneHoverEvent>
#include <QPainterPathStroker>
#include <QPainter>
#include <QTextOption>
#include <strstream>
#endif
#include <qmath.h>
#include <Base/Console.h>
#include "../App/DrawViewSection.h"
#include "QGIViewSection.h"
using namespace TechDrawGui;
QGIViewSection::QGIViewSection(const QPoint &pos, QGraphicsScene *scene) :QGIViewPart(pos, scene)
{
}
QGIViewSection::~QGIViewSection()
{
}
void QGIViewSection::draw()
{
QGIViewPart::draw();
drawSectionFace();
}
void QGIViewSection::drawSectionFace()
{
if(getViewObject() == 0 || !getViewObject()->isDerivedFrom(TechDraw::DrawViewSection::getClassTypeId()))
return;
TechDraw::DrawViewSection *part = dynamic_cast<TechDraw::DrawViewSection *>(getViewObject());
if (!part->hasGeometry()) {
return;
}
//Base::Console().Log("drawing section face\n");
// Get the section face from the feature
std::vector<TechDrawGeometry::Face *> faceGeoms;
part->getSectionSurface(faceGeoms);
if (faceGeoms.empty()) {
Base::Console().Log("INFO - QGIViewSection::drawSectionFace - No Face available. Check Section plane.\n");
return;
}
#if MOD_TECHDRAW_HANDLE_FACES
// Draw Faces
std::vector<TechDrawGeometry::Face *>::const_iterator fit = faceGeoms.begin();
QGraphicsItem*graphicsItem = 0;
QPen facePen;
//TODO: check if this is the same logic as QGIVPart
for(int i = 0 ; fit != faceGeoms.end(); ++fit, i++) {
std::vector<TechDrawGeometry::Wire *> faceWires = (*fit)->wires;
QPainterPath facePath;
for(std::vector<TechDrawGeometry::Wire *>::iterator wire = faceWires.begin(); wire != faceWires.end(); ++wire) {
QPainterPath wirePath;
QPointF shapePos;
for(std::vector<TechDrawGeometry::BaseGeom *>::iterator baseGeom = (*wire)->geoms.begin(); baseGeom != (*wire)->geoms.end(); ++baseGeom) {
//Save the start Position
QPainterPath edgePath = drawPainterPath(*baseGeom);
// If the current end point matches the shape end point the new edge path needs reversing
QPointF shapePos = (wirePath.currentPosition()- edgePath.currentPosition());
if(sqrt(shapePos.x() * shapePos.x() + shapePos.y()*shapePos.y()) < 0.05) {
edgePath = edgePath.toReversed();
}
wirePath.connectPath(edgePath);
wirePath.setFillRule(Qt::WindingFill);
}
facePath.addPath(wirePath);
}
QGIFace *item = new QGIFace(-1);
item->setPath(facePath);
// item->setStrokeWidth(lineWidth);
QBrush faceBrush(QBrush(QColor(0,0,255,40)));
item->setBrush(faceBrush);
facePen.setColor(Qt::black);
item->setPen(facePen);
item->moveBy(x(), y());
graphicsItem = dynamic_cast<QGraphicsItem*>(item);
if(graphicsItem) {
// Hide any edges that are hidden if option is set.
// if((*fit)->extractType == TechDrawGeometry::WithHidden && !part->ShowHiddenLines.getValue())
// graphicsItem->hide();
addToGroup(graphicsItem);
graphicsItem->setFlag(QGraphicsItem::ItemIsSelectable, true);
}
}
#endif
}
void QGIViewSection::updateView(bool update)
{
// Iterate
if(getViewObject() == 0 || !getViewObject()->isDerivedFrom(TechDraw::DrawViewPart::getClassTypeId()))
return;
TechDraw::DrawViewSection *viewPart = dynamic_cast<TechDraw::DrawViewSection *>(getViewObject());
if(update ||
viewPart->SectionNormal.isTouched() ||
viewPart->SectionOrigin.isTouched()) {
QGIViewPart::updateView(true);
} else {
QGIViewPart::updateView();
}
}
#include "moc_QGIViewSection.cpp"