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sethLabels/model/Outline.cpp
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/* Outline.cpp
*
* Copyright (C) 2013-2016 Jaye 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 "Outline.h"
#include "ModelObject.h"
#include <QColor>
namespace glabels
{
namespace model
{
//
// Private
//
namespace
{
const qreal dashSize = 2;
const double slopPixels = 2;
const double outlineWidthPixels = 1;
const QColor outlineColor1( 0, 0, 0 );
const QColor outlineColor2( 255, 255, 255 );
}
///
/// Outline Constructor
///
Outline::Outline( ModelObject* owner )
: mOwner(owner)
{
mDashes << dashSize << dashSize;
mPen1.setColor( outlineColor1 );
mPen1.setWidth( outlineWidthPixels );
mPen1.setCosmetic( true );
mPen1.setCapStyle( Qt::FlatCap );
mPen1.setDashPattern( mDashes );
mPen2.setColor( outlineColor2 );
mPen2.setWidth( outlineWidthPixels );
mPen2.setCosmetic( true );
mPen2.setCapStyle( Qt::FlatCap );
mPen2.setDashPattern( mDashes );
mPen2.setDashOffset( dashSize );
}
///
/// Outline Copy constructor
///
Outline::Outline( const Outline* outline, ModelObject* newOwner )
: mOwner(newOwner)
{
mDashes = outline->mDashes;
mPen1 = outline->mPen1;
mPen2 = outline->mPen2;
}
///
/// Outline Destructor
///
Outline::~Outline()
{
// empty
}
///
/// Clone Outline
///
Outline* Outline::clone( ModelObject* newOwner ) const
{
return new Outline( this, newOwner );
}
///
/// Draw Outline
///
void Outline::draw( QPainter* painter ) const
{
painter->save();
painter->setBrush( Qt::NoBrush );
painter->setPen( mPen1 );
painter->drawRect( QRectF( 0, 0, mOwner->w().pt(), mOwner->h().pt() ) );
painter->setPen( mPen2 );
painter->drawRect( QRectF( 0, 0, mOwner->w().pt(), mOwner->h().pt() ) );
painter->restore();
}
///
/// Create path for testing for hover condition
///
QPainterPath Outline::hoverPath( double scale ) const
{
double s = 1 / scale;
QPainterPath path;
path.addRect( -s*slopPixels, -s*slopPixels,
mOwner->w().pt()+s*2*slopPixels, mOwner->h().pt()+s*2*slopPixels );
path.closeSubpath();
path.addRect( s*slopPixels, s*slopPixels,
mOwner->w().pt()-s*2*slopPixels, mOwner->h().pt()-s*2*slopPixels );
return path;
}
}
}