Files
sethLabels/libglabels/FrameRound.cpp
T
2013-12-13 22:56:58 -05:00

78 lines
1.8 KiB
C++

/* FrameRound.cpp
*
* Copyright (C) 2013 Jim Evins <evins@snaught.com>
*
* This file is part of gLabels-qt.
*
* gLabels-qt is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* gLabels-qt 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
*/
#include "FrameRound.h"
#include <cmath>
#include "StrUtil.h"
#include "privateConstants.h"
namespace libglabels
{
const QString FrameRound::sizeDescription( const Units *units ) const
{
if ( units->id() == "in" )
{
QString dStr = StrUtil::formatFraction( 2 * mR * units->unitsPerPoint() );
return QString().sprintf( "%s %s %s",
qPrintable(dStr),
qPrintable(units->name()),
qPrintable(tr("diameter")) );
}
else
{
return QString().sprintf( "%.5g %s %s",
2 * mR * units->unitsPerPoint(),
qPrintable(units->name()),
qPrintable(tr("diameter")) );
}
}
bool FrameRound::isSimilarTo( Frame *other ) const
{
if ( FrameRound *otherRound = dynamic_cast<FrameRound*>(other) )
{
if ( fabs( mR - otherRound->mR ) <= Constants::EPSILON )
{
return true;
}
}
return false;
}
QGraphicsItem* FrameRound::createMarginGraphicsItem( double size, const QPen& pen ) const
{
double r = mR - size;
QGraphicsEllipseItem* item = new QGraphicsEllipseItem( mR-r, mR-r, 2*r, 2*r );
item->setPen( pen );
return item;
}
}