Files
create/src/Mod/TechDraw/Gui/QGCustomLabel.cpp
2017-01-29 19:40:32 -05:00

100 lines
3.7 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 <assert.h>
#include <QGraphicsScene>
#include <QGraphicsSceneHoverEvent>
#include <QMouseEvent>
#include <QPaintDevice>
#include <QPainter>
#include <QPrinter>
#include <QSvgGenerator>
#include <QStyleOptionGraphicsItem>
#endif
#include <App/Application.h>
#include <App/Material.h>
#include <Base/Console.h>
#include <Base/Parameter.h>
#include <qmath.h>
#include <QRectF>
#include "Rez.h"
#include "QGCustomLabel.h"
using namespace TechDrawGui;
QGCustomLabel::QGCustomLabel()
{
setCacheMode(QGraphicsItem::NoCache);
setAcceptHoverEvents(false);
setFlag(QGraphicsItem::ItemIsSelectable, false);
setFlag(QGraphicsItem::ItemIsMovable, false);
}
void QGCustomLabel::centerAt(QPointF centerPos)
{
QRectF box = 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 QGCustomLabel::centerAt(double cX, double cY)
{
QRectF box = boundingRect();
double width = box.width();
double height = box.height();
double newX = cX - width/2.;
double newY = cY - height/2.;
setPos(newX,newY);
}
void QGCustomLabel::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
QStyleOptionGraphicsItem myOption(*option);
myOption.state &= ~QStyle::State_Selected;
//see QGCustomText for explanation of this code
double dppt = 3.53;
double svgMagicX = Rez::guiX(8.0);
double svgMagicY = Rez::guiX(12.0);
double svgMagicYoffset = Rez::guiX(3.0);
double fontSize = Rez::appX(font().pointSizeF());
double ty = svgMagicY + (svgMagicYoffset*fontSize)/dppt;
QPointF svgMove(-svgMagicX/dppt,ty);
QPaintDevice* hw = painter->device();
QSvgGenerator* svg = dynamic_cast<QSvgGenerator*>(hw);
if (svg) {
painter->scale(Rez::appX(dppt),Rez::appX(dppt));
painter->translate(svgMove);
} else {
painter->scale(1.0,1.0);
}
QGraphicsTextItem::paint (painter, &myOption, widget);
}