/***************************************************************************
 *   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);
}