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[ui] Apply same semi-opaque color rendering to various color lists (raster renderers, color scheme lists, etc) #59648

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[ui] Apply same semi-opaque color rendering to various color lists (raster renderers, color scheme lists, etc) #59648

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22 changes: 17 additions & 5 deletions src/gui/qgscolorschemelist.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -704,7 +704,7 @@ void QgsColorSwatchDelegate::paint( QPainter *painter, const QStyleOptionViewIte
painter->drawRect( option.rect );
}

const QColor color = index.model()->data( index, Qt::DisplayRole ).value<QColor>();
QColor color = index.model()->data( index, Qt::DisplayRole ).value<QColor>();
if ( !color.isValid() )
{
return;
Expand All @@ -729,11 +729,23 @@ void QgsColorSwatchDelegate::paint( QPainter *painter, const QStyleOptionViewIte
const QBrush checkBrush = QBrush( transparentBackground() );
painter->setBrush( checkBrush );
painter->drawRoundedRect( rect, cornerSize, cornerSize );
//draw semi-transparent color on top
painter->setBrush( color );
painter->drawRoundedRect( rect, cornerSize, cornerSize );
//draw fully opaque color on the left side
const QRectF clipRect( rect.left(), rect.top(),
static_cast<qreal>( rect.width() ) / 2.0,
rect.height() );
painter->setClipRect( clipRect );
color.setAlpha( 255 );
painter->setBrush( color );
painter->drawRoundedRect( rect, cornerSize, cornerSize );
}
else
{
painter->setBrush( color );
painter->drawRoundedRect( rect, cornerSize, cornerSize );
}

//draw semi-transparent color on top
painter->setBrush( color );
painter->drawRoundedRect( rect, cornerSize, cornerSize );
}

QPixmap QgsColorSwatchDelegate::transparentBackground() const
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