Jim Evins
81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/* FrameEllipse.cpp
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*
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* Copyright (C) 2013 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "FrameEllipse.h"
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#include <cmath>
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#include "StrUtil.h"
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#include "privateConstants.h"
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namespace libglabels
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{
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const QString FrameEllipse::sizeDescription( const Units *units ) const
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{
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if ( units->id() == "in" )
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{
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QString wStr = StrUtil::formatFraction( mW * units->unitsPerPoint() );
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QString hStr = StrUtil::formatFraction( mH * units->unitsPerPoint() );
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return QString().sprintf( "%s x %s %s",
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qPrintable(wStr),
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qPrintable(hStr),
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qPrintable(units->name()) );
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}
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else
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{
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return QString().sprintf( "%.5g x %.5g %s",
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mW * units->unitsPerPoint(),
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mH * units->unitsPerPoint(),
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qPrintable(units->name()) );
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}
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}
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bool FrameEllipse::isSimilarTo( Frame *other ) const
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{
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if ( FrameEllipse *otherEllipse = dynamic_cast<FrameEllipse*>(other) )
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{
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if ( (fabs( mW - otherEllipse->mW ) <= Constants::EPSILON) &&
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(fabs( mH - otherEllipse->mH ) <= Constants::EPSILON) )
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{
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return true;
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}
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}
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return false;
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}
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QGraphicsItem* FrameEllipse::createMarginGraphicsItem( double size, const QPen& pen ) const
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{
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double w = mW - 2*size;
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double h = mH - 2*size;
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QGraphicsEllipseItem* item = new QGraphicsEllipseItem( size, size, w, h );
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item->setPen( pen );
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return item;
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}
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}
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