52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* This file may be used under the terms of the QSkinny License, Version 1.0
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*****************************************************************************/
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#include "QskArcRenderer.h"
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#include "QskArcMetrics.h"
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#include "QskGradient.h"
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#include <qpainter.h>
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#include <qrect.h>
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void QskArcRenderer::renderArc(const QRectF& rect,
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const QskArcMetrics& metrics, const QskGradient& gradient,
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QPainter* painter )
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{
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painter->setRenderHint( QPainter::Antialiasing, true );
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QGradientStops stops;
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for( const QskGradientStop& stop : gradient.stops() )
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{
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QGradientStop s( stop.position(), stop.color() );
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stops.append( s );
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}
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/*
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horizontal is interpreted as in direction of the arc,
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while vertical means from the inner to the outer border
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*/
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QBrush brush;
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if( gradient.orientation() == QskGradient::Vertical )
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{
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QRadialGradient gradient( rect.center(), qMin( rect.width(), rect.height() ) );
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gradient.setStops( stops );
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brush = gradient;
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}
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else
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{
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QConicalGradient gradient( rect.center(), metrics.startAngle() / 16.0 );
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gradient.setStops( stops );
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brush = gradient;
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}
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painter->setPen( QPen( brush, metrics.width(), Qt::SolidLine, Qt::FlatCap ) );
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painter->drawArc( rect, metrics.startAngle(), metrics.spanAngle() );
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}
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