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move some functionality to the arc renderer

This commit is contained in:
Peter Hartmann 2021-10-11 15:48:17 +02:00
parent d1f79e2f72
commit b90af00685
2 changed files with 35 additions and 29 deletions
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30
src/nodes/QskArcNode.cpp
View File

@ -4,6 +4,7 @@
*****************************************************************************/
#include "QskArcNode.h"
#include "QskArcRenderer.h"
#include <QPainter>
@ -47,35 +48,12 @@ void QskArcNode::paint( QPainter *painter, const QSizeF &size )
spanAngle = -1 * ( m_value / m_maximum ) * 360;
}
painter->setRenderHint( QPainter::Antialiasing, true );
const QRectF r( 0.5 * m_width, 0.5 * m_width,
size.width() - m_width, size.height() - m_width );
QGradientStops stops;
for( const QskGradientStop& stop : m_gradient.stops() )
{
QGradientStop s( stop.position(), stop.color() );
stops.append( s );
}
if( m_gradientType == QGradient::RadialGradient )
{
QRadialGradient radialGradient( r.center(), qMin( r.width(), r.height() ) );
radialGradient.setStops( stops );
painter->setPen( QPen( radialGradient, m_width, Qt::SolidLine, Qt::FlatCap ) );
painter->drawArc( r, startAngle * 16, spanAngle * 16 );
}
else
{
QConicalGradient conicalGradient( r.center(), startAngle );
conicalGradient.setStops( stops );
painter->setPen( QPen( conicalGradient, m_width, Qt::SolidLine, Qt::FlatCap ) );
painter->drawArc( r, startAngle * 16, spanAngle * 16 );
}
QskArcRenderer renderer;
renderer.renderArc( r, m_gradient, m_gradientType, m_width, startAngle, spanAngle,
painter );
}
uint QskArcNode::hash() const

34
src/nodes/QskArcRenderer.h
View File

@ -16,13 +16,41 @@ class QSK_EXPORT QskArcRenderer
{
public:
void renderArc( const QRectF& rect, const QskGradient& gradient,
QGradient::Type gradientType, int startAngle, int endAngle, QPainter* );
QGradient::Type gradientType, double width, int startAngle,
int endAngle, QPainter* );
};
inline void QskArcRenderer::renderArc( const QRectF& rect,
const QskGradient& gradient, QGradient::Type gradientType,
int startAngle, int endAngle, QPainter* painter )
const QskGradient& gradient, QGradient::Type gradientType, double width,
int startAngle, int spanAngle, QPainter* painter )
{
painter->setRenderHint( QPainter::Antialiasing, true );
QGradientStops stops;
for( const QskGradientStop& stop : gradient.stops() )
{
QGradientStop s( stop.position(), stop.color() );
stops.append( s );
}
if( gradientType == QGradient::RadialGradient )
{
QRadialGradient radialGradient( rect.center(), qMin( rect.width(), rect.height() ) );
radialGradient.setStops( stops );
painter->setPen( QPen( radialGradient, width, Qt::SolidLine, Qt::FlatCap ) );
painter->drawArc( rect, startAngle * 16, spanAngle * 16 );
}
else
{
QConicalGradient conicalGradient( rect.center(), startAngle );
conicalGradient.setStops( stops );
painter->setPen( QPen( conicalGradient, width, Qt::SolidLine, Qt::FlatCap ) );
painter->drawArc( rect, startAngle * 16, spanAngle * 16 );
}
}
#endif