Add Mod/TechDraw/Gui

src/Mod/TechDraw/Gui/QGIViewSection.cpp

@@ -0,0 +1,154 @@
+/***************************************************************************
+ *   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<DrawingGeometry::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<DrawingGeometry::Face *>::const_iterator fit = faceGeoms.begin();
+
+    QGI *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<DrawingGeometry::Wire *> faceWires = (*fit)->wires;
+        QPainterPath facePath;
+        for(std::vector<DrawingGeometry::Wire *>::iterator wire = faceWires.begin(); wire != faceWires.end(); ++wire) {
+            QPainterPath wirePath;
+            QPointF shapePos;
+            for(std::vector<DrawingGeometry::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<QGI *>(item);
+
+        if(graphicsItem) {
+            // Hide any edges that are hidden if option is set.
+            //             if((*fit)->extractType == DrawingGeometry::WithHidden && !part->ShowHiddenLines.getValue())
+            //                 graphicsItem->hide();
+
+            addToGroup(graphicsItem);
+            graphicsItem->setFlag(QGI::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"