FreeCAD/src/Mod/TechDraw/Gui/QGCustomSvg.cpp
2016-11-07 17:20:19 -05:00

99 lines
3.4 KiB
C++

/***************************************************************************
* Copyright (c) 2015 WandererFan <wandererfan@gmail.com> *
* *
* 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 <QPainter>
#include <QStyleOptionGraphicsItem>
#endif
#include <Base/Console.h>
#include <QRectF>
#include "QGCustomSvg.h"
using namespace TechDrawGui;
QGCustomSvg::QGCustomSvg()
{
setCacheMode(QGraphicsItem::NoCache);
setAcceptHoverEvents(false);
setFlag(QGraphicsItem::ItemIsSelectable, false);
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
m_svgRender = new QSvgRenderer();
}
QGCustomSvg::~QGCustomSvg()
{
delete m_svgRender;
}
void QGCustomSvg::centerAt(QPointF centerPos)
{
if (group()) {
QRectF box = group()->boundingRect();
double width = box.width();
double height = box.height();
double newX = centerPos.x() - width/2.;
double newY = centerPos.y() - height/2.;
setPos(newX,newY);
}
}
void QGCustomSvg::centerAt(double cX, double cY)
{
if (group()) {
QRectF box = group()->boundingRect();
double width = box.width();
double height = box.height();
double newX = cX - width/2.;
double newY = cY - height/2.;
setPos(newX,newY);
}
}
bool QGCustomSvg::load(QByteArray *svgBytes)
{
bool success = m_svgRender->load(*svgBytes);
prepareGeometryChange();
setSharedRenderer(m_svgRender);
return(success);
}
QRectF QGCustomSvg::boundingRect() const
{
QRectF box = m_svgRender->viewBoxF();
double w = box.width();
double h = box.height();
QRectF newRect(0,0,w,h);
return newRect.adjusted(-1.,-1.,1.,1.);
}
void QGCustomSvg::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
QStyleOptionGraphicsItem myOption(*option);
myOption.state &= ~QStyle::State_Selected;
QGraphicsSvgItem::paint (painter, &myOption, widget);
}