Jim Evins
109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
/* Outline.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 "Outline.h"
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#include "LabelModelObject.h"
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#include <QColor>
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namespace
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{
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const qreal dashSize = 2;
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const double slopPixels = 2;
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const double outlineWidthPixels = 1;
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const QColor outlineColor1( 0, 0, 0 );
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const QColor outlineColor2( 255, 255, 255 );
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}
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///
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/// Outline Constructor
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///
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glabels::Outline::Outline( LabelModelObject* owner )
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: mOwner(owner)
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{
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mDashes << dashSize << dashSize;
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mPen1.setColor( outlineColor1 );
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mPen1.setWidth( outlineWidthPixels );
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mPen1.setCosmetic( true );
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mPen1.setCapStyle( Qt::FlatCap );
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mPen1.setDashPattern( mDashes );
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mPen2.setColor( outlineColor2 );
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mPen2.setWidth( outlineWidthPixels );
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mPen2.setCosmetic( true );
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mPen2.setCapStyle( Qt::FlatCap );
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mPen2.setDashPattern( mDashes );
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mPen2.setDashOffset( dashSize );
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}
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///
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/// Outline Destructor
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///
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glabels::Outline::~Outline()
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{
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}
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///
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/// Draw Outline
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///
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void glabels::Outline::draw( QPainter* painter ) const
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{
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painter->save();
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painter->setBrush( Qt::NoBrush );
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painter->setPen( mPen1 );
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painter->drawRect( QRectF( 0, 0, mOwner->w(), mOwner->h() ) );
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painter->setPen( mPen2 );
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painter->drawRect( QRectF( 0, 0, mOwner->w(), mOwner->h() ) );
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painter->restore();
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}
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///
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/// Create Outline path
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///
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QPainterPath glabels::Outline::path( double scale ) const
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{
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double s = 1 / scale;
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QPainterPath path;
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path.addRect( -s*slopPixels, -s*slopPixels,
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mOwner->w()+s*2*slopPixels, mOwner->h()+s*2*slopPixels );
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path.closeSubpath();
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path.addRect( s*slopPixels, s*slopPixels,
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mOwner->w()-s*2*slopPixels, mOwner->h()-s*2*slopPixels );
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return path;
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}
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