peranger/qskinny
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storing path and transformation to know when geometry updates are

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necessary
This commit is contained in:
Uwe Rathmann 2022-09-30 15:23:55 +02:00
parent ee7dbb300a
commit f031e78a7b
1 changed files with 22 additions and 5 deletions
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27
src/nodes/QskShapeNode.cpp
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@ -108,6 +108,13 @@ class QskShapeNodePrivate final : public QSGGeometryNodePrivate
QSGGeometry geometry;
QGradient::Type gradientType = QGradient::NoGradient;
/*
Is there a better way to find out if the path has changed
beside storing a copy ( even, when internally with Copy On Write ) ?
*/
QPainterPath path;
QTransform transform;
};
QskShapeNode::QskShapeNode()
@ -127,12 +134,17 @@ void QskShapeNode::updateNode( const QPainterPath& path,
if ( path.isEmpty() || !color.isValid() || color.alpha() == 0 )
{
d->path = QPainterPath();
qskResetGeometry( this );
return;
}
if ( true ) // For the moment we always update the geometry. TODO ...
if ( ( transform != d->transform ) || ( path != d->path ) )
{
d->path = path;
d->transform = transform;
qskUpdateGeometry( path, transform, d->geometry );
markDirty( QSGNode::DirtyGeometry );
}
@ -156,9 +168,13 @@ void QskShapeNode::updateNode( const QPainterPath& path,
void QskShapeNode::updateNode( const QPainterPath& path,
const QTransform& transform, const QGradient* gradient )
{
Q_D( QskShapeNode );
if ( path.isEmpty() || !qskIsGradientVisible( gradient ) )
{
d->path = QPainterPath();
qskResetGeometry( this );
return;
}
@ -168,15 +184,16 @@ void QskShapeNode::updateNode( const QPainterPath& path,
return;
}
Q_D( QskShapeNode );
if ( true ) // For the moment we always update the geometry. TODO ...
if ( ( transform != d->transform ) || ( path != d->path ) )
{
d->path = path;
d->transform = transform;
qskUpdateGeometry( path, transform, d->geometry );
markDirty( QSGNode::DirtyGeometry );
}
if ( ( material() == nullptr ) || gradient->type() != d->gradientType )
if ( ( material() == nullptr ) || ( gradient->type() != d->gradientType ) )
{
setMaterial( QskGradientMaterial::createMaterial( gradient->type() ) );
d->gradientType = gradient->type();