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support more colors in rounded color gradients 

I THINK WE DON'T REALLY NEED THIS COMMIT
This commit is contained in:
Peter Hartmann 2021-12-15 15:12:16 +01:00
parent 6c08d47bc2
commit 59943281d5
1 changed files with 29 additions and 13 deletions
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42
src/nodes/QskBoxRendererEllipse.cpp
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@ -506,21 +506,37 @@ namespace
class BorderMapGradient class BorderMapGradient
{ {
public: public:
inline BorderMapGradient( int stepCount, QRgb rgb1, QRgb rgb2 ) inline BorderMapGradient( int stepCount, const QskGradient& gradient )
: m_stepCount( stepCount ) : m_stepCount( stepCount )
, m_color1( rgb1 ) , m_gradient( gradient )
, m_color2( rgb2 )
{ {
} }
inline Color colorAt( int step ) const inline Color colorAt( int step ) const
{ {
return m_color1.interpolatedTo( m_color2, step / m_stepCount ); const qreal ratio = step / m_stepCount;
const auto stops = m_gradient.stops();
for( int i = 0; i < m_gradient.stopCount(); ++i )
{
const QskGradientStop stop = stops.at( i );
if( stop.position() >= ratio )
{
const int start = ( i == 0 ) ? 0 : i - 1;
const int end = ( i == 0 ) ? 1 : i;
const QColor color = QskGradientStop::interpolated( stops.at( start ),
stops.at( end ), ratio );
return Color( color );
}
}
return Color();
} }
private: private:
const qreal m_stepCount; const qreal m_stepCount;
const Color m_color1, m_color2; const QskGradient m_gradient;
}; };
template< class Line, class BorderValues > template< class Line, class BorderValues >
@ -866,10 +882,10 @@ static inline void qskRenderBorder( const QskBoxRenderer::Metrics& metrics,
const int stepCount = metrics.corner[ 0 ].stepCount; const int stepCount = metrics.corner[ 0 ].stepCount;
qskRenderBorderLines( metrics, orientation, line, qskRenderBorderLines( metrics, orientation, line,
BorderMapGradient( stepCount, c.gradient( Qsk::Top ).startColor().rgb(), c.gradient( Qsk::Left ).endColor().rgb() ), BorderMapGradient( stepCount, { Qt::Vertical, c.gradient( Qsk::Top ).startColor(), c.gradient( Qsk::Left ).endColor() } ),
BorderMapGradient( stepCount, c.gradient( Qsk::Right ).startColor().rgb(), c.gradient( Qsk::Top ).endColor().rgb() ), BorderMapGradient( stepCount, { Qt::Vertical, c.gradient( Qsk::Right ).startColor(), c.gradient( Qsk::Top ).endColor() } ),
BorderMapGradient( stepCount, c.gradient( Qsk::Left ).startColor().rgb(), c.gradient( Qsk::Bottom ).endColor().rgb() ), BorderMapGradient( stepCount, { Qt::Vertical, c.gradient( Qsk::Left ).startColor(), c.gradient( Qsk::Bottom ).endColor() } ),
BorderMapGradient( stepCount, c.gradient( Qsk::Bottom ).startColor().rgb(), c.gradient( Qsk::Right ).endColor().rgb() ) ); BorderMapGradient( stepCount, { Qt::Vertical, c.gradient( Qsk::Bottom ).startColor(), c.gradient( Qsk::Right ).endColor() } ) );
} }
} }
@ -918,10 +934,10 @@ static inline void qskRenderBoxRandom(
{ {
const int n = metrics.corner[ 0 ].stepCount; const int n = metrics.corner[ 0 ].stepCount;
const BorderMapGradient tl( n, bc.gradient( Qsk::Top ).startColor().rgb(), bc.gradient( Qsk::Left ).startColor().rgb() ); const BorderMapGradient tl( n, { Qt::Vertical, bc.gradient( Qsk::Top ).startColor(), bc.gradient( Qsk::Left ).startColor() } );
const BorderMapGradient tr( n, bc.gradient( Qsk::Right ).startColor().rgb(), bc.gradient( Qsk::Top ).startColor().rgb() ); const BorderMapGradient tr( n, { Qt::Vertical, bc.gradient( Qsk::Right ).startColor(), bc.gradient( Qsk::Top ).startColor() } );
const BorderMapGradient bl( n, bc.gradient( Qsk::Left ).startColor().rgb(), bc.gradient( Qsk::Bottom ).startColor().rgb() ); const BorderMapGradient bl( n, { Qt::Vertical, bc.gradient( Qsk::Left ).startColor(), bc.gradient( Qsk::Bottom ).startColor() } );
const BorderMapGradient br( n, bc.gradient( Qsk::Bottom ).startColor().rgb(), bc.gradient( Qsk::Right ).startColor().rgb() ); const BorderMapGradient br( n, { Qt::Vertical, bc.gradient( Qsk::Bottom ).startColor(), bc.gradient( Qsk::Right ).startColor() } );
if ( gradient.isMonochrome() ) if ( gradient.isMonochrome() )
{ {