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

110 lines
3.7 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 *
* *
***************************************************************************/
#ifndef DRAWINGGUI_QGRAPHICSITEMVIEWPART_H
#define DRAWINGGUI_QGRAPHICSITEMVIEWPART_H
#include <QObject>
#include <QPainter>
#include "QGIView.h"
#include "QGIFace.h"
#include "QGIEdge.h"
#include "QGIVertex.h"
#include "QGIHatch.h"
namespace TechDraw {
class DrawViewPart;
class DrawHatch;
}
namespace TechDrawGeometry {
class BaseGeom;
}
namespace TechDrawGui
{
class TechDrawGuiExport QGIViewPart : public QGIView
{
Q_OBJECT
public:
explicit QGIViewPart(const QPoint &position, QGraphicsScene *scene);
~QGIViewPart();
enum {Type = QGraphicsItem::UserType + 102};
int type() const { return Type;}
void toggleCache(bool state);
void toggleCosmeticLines(bool state);
void toggleVertices(bool state);
void setViewPartFeature(TechDraw::DrawViewPart *obj);
virtual void updateView(bool update = false);
void tidy();
virtual void draw();
virtual QRectF boundingRect() const;
Q_SIGNALS:
void selected(bool state);
void dirty();
protected:
QGIEdge * findRefEdge(int i);
QGIVertex * findRefVertex(int idx);
/// Helper for pathArc()
/*!
* x_axis_rotation is in radian
*/
void pathArcSegment(QPainterPath &path, double xc, double yc, double th0,
double th1,double rx, double ry, double xAxisRotation) const;
/// Draws an arc using QPainterPath path
/*!
* x_axis_rotation is in radian
*/
void pathArc(QPainterPath &path, double rx, double ry, double x_axis_rotation,
bool large_arc_flag, bool sweep_flag,
double x, double y,
double curx, double cury) const;
QPainterPath drawPainterPath(TechDrawGeometry::BaseGeom *baseGeom) const;
std::vector <TechDraw::DrawHatch *> getHatchesForView(TechDraw::DrawViewPart* viewPart);
void drawViewPart();
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
protected:
QColor m_colHid;
private:
QList<QGraphicsItem*> deleteItems;
};
} // namespace MDIViewPageGui
#endif // DRAWINGGUI_QGRAPHICSITEMVIEWPART_H