Merge branch 'master' into features/arcrenderer

playground/gradients/GradientQuickShape.cpp

@@ -7,6 +7,7 @@
 
 #include <QskGradient.h>
 #include <QskGradientDirection.h>
+#include <QskBoxRenderer.h>
 
 QSK_QT_PRIVATE_BEGIN
 
@@ -54,10 +55,10 @@ namespace
         {
             QQuickShapeGradient* shapeGradient = nullptr;
 
-            auto effectiveGradient = gradient.effectiveGradient();
+            auto effectiveGradient = QskBoxRenderer::effectiveGradient( gradient );
             effectiveGradient.stretchTo( rect );
 
-            switch( static_cast< int >( gradient.type() ) )
+            switch( static_cast< int >( effectiveGradient.type() ) )
             {
                 case QskGradient::Linear:
                 {

src/common/QskGradient.cpp

@@ -722,21 +722,6 @@ void QskGradient::resetDirection()
     m_values[0] = m_values[1] = m_values[2] = m_values[3] = m_values[4] = 0.0;
 }
 
-QskGradient QskGradient::effectiveGradient() const
-{
-    if ( ( m_type == QskGradient::Stops ) || isMonochrome() )
-    {
-        // the shader for linear gradients is the fastest
-
-        QskGradient g = *this;
-        g.setDirection( QskGradient::Linear );
-
-        return g;
-    }
-
-    return *this;
-}
-
 QGradient QskGradient::toQGradient() const
 {
     QGradient g;

src/common/QskGradient.h

@@ -152,8 +152,6 @@ class QSK_EXPORT QskGradient
     QskGradient stretchedTo( const QSizeF& ) const;
     QskGradient stretchedTo( const QRectF& ) const;
 
-    QskGradient effectiveGradient() const;
-
     static QVariant interpolate( const QskGradient&,
         const QskGradient&, qreal progress );
 

src/dialogs/QskSelectionSubWindow.cpp

@@ -90,7 +90,7 @@ int QskSelectionSubWindow::selectedRow() const
 QString QskSelectionSubWindow::selectedEntry() const
 {
     if ( auto listBox = qskListBox( this ) )
-        listBox->selectedEntry();
+        return listBox->selectedEntry();
 
     return QString();
 }

src/dialogs/QskSelectionWindow.cpp

@@ -93,7 +93,7 @@ int QskSelectionWindow::selectedRow() const
 QString QskSelectionWindow::selectedEntry() const
 {
     if ( auto listBox = qskListBox( this ) )
-        listBox->selectedEntry();
+        return listBox->selectedEntry();
 
     return QString();
 }

src/nodes/QskArcRenderNode.cpp

@@ -104,8 +104,17 @@ void QskArcRenderNode::updateFilling( const QRectF& rect,
         return;
     }
 
-    const bool coloredGeometry = hasHint( PreferColoredGeometry )
+    bool coloredGeometry = hasHint( PreferColoredGeometry );
-        && QskArcRenderer::isGradientSupported( rect, metrics, gradient );
+    if ( coloredGeometry )
+    {
+        // not all gradients are supported by the renderer
+        coloredGeometry = QskArcRenderer::isGradientSupported( rect, metrics, gradient );
+    }
+    else
+    {
+        // QskGradient::Stops is specific for QskArcRenderer
+        coloredGeometry = ( gradient.type() == QskGradient::Stops );
+    }
 
     bool dirtyGeometry = d->updateMetrics( rect, metrics, radial, borderWidth );
     bool dirtyMaterial = d->updateColors( QColor(), gradient );

src/nodes/QskArcRenderer.cpp

@@ -458,6 +458,7 @@ bool QskArcRenderer::isGradientSupported( const QRectF& rect,
         }
         case QskGradient::Conic:
         {
+#if 0
             const auto direction = gradient.conicDirection();
             if ( direction.center() == rect.center() )
             {
@@ -470,6 +471,7 @@ bool QskArcRenderer::isGradientSupported( const QRectF& rect,
                      */
                 }
             }
+#endif
 
             return false;
         }
@@ -572,7 +574,7 @@ void QskArcRenderer::setBorderLines( const QRectF& rect,
         return;
     }
 
-    const Renderer renderer( rect, metrics, radial, QskGradient(), 0 );
+    const Renderer renderer( rect, metrics, radial, QskGradient(), QskRgb::Black );
 
     const auto lines = qskAllocateLines( geometry, renderer.borderCount() );
     if ( lines )

src/nodes/QskBoxRectangleNode.cpp

@@ -103,7 +103,7 @@ void QskBoxRectangleNode::updateFilling( const QRectF& rect,
         return;
     }
 
-    const auto fillGradient = gradient.effectiveGradient();
+    const auto fillGradient = QskBoxRenderer::effectiveGradient( gradient );
     const auto shape = shapeMetrics.toAbsolute( rect.size() );
 
     const bool coloredGeometry = hasHint( PreferColoredGeometry )
@@ -211,13 +211,13 @@ void QskBoxRectangleNode::updateBox( const QRectF& rect,
         if ( isDirty )
         {
             /*
-                For monochrome border/fiiling with the same color we might be
+                For monochrome border/filling with the same color we might be
                 able to do QskFillNode::Monochrome. However this is not implemeted in
                 QskBoxRenderer yet. TODO ...
              */
             setColoring( QskFillNode::Polychrome );
 
-            auto fillGradient = gradient.effectiveGradient();
+            auto fillGradient = QskBoxRenderer::effectiveGradient( gradient );
             if ( !QskBoxRenderer::isGradientSupported( fillGradient ) )
             {
                 qWarning() << "QskBoxRenderer does not support radial/conic gradients";

src/nodes/QskBoxRenderer.cpp

@@ -231,3 +231,18 @@ void QskBoxRenderer::setColoredBorderAndFillLines( const QRectF& rect,
         }
     }
 }
+
+QskGradient QskBoxRenderer::effectiveGradient( const QskGradient& gradient )
+{
+    if ( ( gradient.type() == QskGradient::Stops ) || gradient.isMonochrome() )
+    {   
+        // the shader for linear gradients is the fastest
+    
+        auto g = gradient;
+        g.setDirection( QskGradient::Linear );
+    
+        return g;
+    }
+    
+    return gradient;
+}

src/nodes/QskBoxRenderer.h

@@ -54,6 +54,8 @@ namespace QskBoxRenderer
     QSK_EXPORT void setColoredBorderAndFillLines( const QRectF&,
         const QskBoxShapeMetrics&, const QskBoxBorderMetrics&,
         const QskBoxBorderColors&, const QskGradient&, QSGGeometry& );
+
+    QSK_EXPORT QskGradient effectiveGradient( const QskGradient& );
 }
 
 #endif

src/nodes/QskFillNode.cpp

@@ -136,10 +136,12 @@ void QskFillNode::setColoring( const QColor& color )
 {
     setColoring( Monochrome );
 
+    const auto colorRgb = color.toRgb();
+
     auto mat = static_cast< QSGFlatColorMaterial* >( material() );
-    if ( mat->color() != color )
+    if ( mat->color() != colorRgb )
     {
-        mat->setColor( color );
+        mat->setColor( colorRgb );
         markDirty( QSGNode::DirtyMaterial );
     }
 }
@@ -148,18 +150,27 @@ void QskFillNode::setColoring( const QRectF& rect, const QskGradient& gradient )
 {
     if ( gradient.isMonochrome() )
     {
-        setColoring( gradient.startColor().toRgb() );
+        setColoring( gradient.startColor() );
     }
     else
     {
-        const auto effectiveGradient = gradient.effectiveGradient();
+        if ( gradient.type() == QskGradient::Stops )
-        setColoring( qskColoring( effectiveGradient.type() ) );
+        {
+            qWarning() << "QskFillNode::setColoring:"
+                << "QskGradient::Stops is not supported, using the first color instead.";
+
+            setColoring( gradient.startColor() );
+        }
+        else
+        {
+            setColoring( qskColoring( gradient.type() ) );
 
             auto mat = static_cast< QskGradientMaterial* >( material() );
-        if ( mat->updateGradient( rect, effectiveGradient ) )
+            if ( mat->updateGradient( rect, gradient ) )
                 markDirty( QSGNode::DirtyMaterial );
         }
     }
+}
 
 void QskFillNode::setHint( Hint hint, bool on )
 {

src/nodes/QskShapeNode.cpp

@@ -6,6 +6,7 @@
 #include "QskShapeNode.h"
 #include "QskGradient.h"
 #include "QskGradientDirection.h"
+#include "QskVertex.h"
 #include "QskFillNodePrivate.h"
 
 QSK_QT_PRIVATE_BEGIN
@@ -13,27 +14,40 @@ QSK_QT_PRIVATE_BEGIN
 #include <private/qtriangulator_p.h>
 QSK_QT_PRIVATE_END
 
+#if 0
+
+// keeping the index list
 static void qskUpdateGeometry( const QPainterPath& path,
     const QTransform& transform, QSGGeometry& geometry )
 {
     const auto ts = qTriangulate( path, transform, 1, false );
 
-#if 1
     geometry.allocate( ts.vertices.size(), ts.indices.size() );
 
     auto vertexData = reinterpret_cast< float* >( geometry.vertexData() );
     const auto points = ts.vertices.constData();
 
-    for ( int i = 0; i < ts.vertices.count(); i++ )
+    for ( int i = 0; i < ts.vertices.size(); i++ )
         vertexData[i] = points[i];
 
     memcpy( geometry.indexData(), ts.indices.data(),
         ts.indices.size() * sizeof( quint16 ) );
-#else
+}
+
+#endif
+
+static void qskUpdateGeometry( const QPainterPath& path,
+    const QTransform& transform, const QColor& color, QSGGeometry& geometry )
+{
+    const auto ts = qTriangulate( path, transform, 1, false );
+
     /*
+        The triangulation of a random path usually does not lead to index lists
+        that allow substantially reducing the number of vertices.
+
         As we have to iterate over the vertex buffer to copy qreal to float
-        anyway we could reorder according to the index buffer and drop
+        anyway we reorder according to the index buffer and drop
-        the index buffer then ???
+        the index buffer.
 
         QTriangleSet:
 
@@ -41,18 +55,32 @@ static void qskUpdateGeometry( const QPainterPath& path,
         QVector<qreal> vertices; // [x[0], y[0], x[1], y[1], x[2], ...]
         QVector<quint16> indices; // [i[0], j[0], k[0], i[1], j[1], k[1], i[2], ...]
      */
+
     const auto points = ts.vertices.constData();
     const auto indices = reinterpret_cast< const quint16* >( ts.indices.data() );
 
     geometry.allocate( ts.indices.size() );
 
+    if ( color.isValid() )
+    {
+        const QskVertex::Color c = color;
+
+        auto vertexData = geometry.vertexDataAsColoredPoint2D();
+        for ( int i = 0; i < ts.indices.size(); i++ )
+        {
+            const int j = 2 * indices[i];
+            vertexData[i].set( points[j], points[j + 1], c.r, c.g, c.b, c.a );
+        }
+    }
+    else
+    {
         auto vertexData = geometry.vertexDataAsPoint2D();
         for ( int i = 0; i < ts.indices.size(); i++ )
         {
             const int j = 2 * indices[i];
             vertexData[i].set( points[j], points[j + 1] );
         }
-#endif
+    }
 }
 
 class QskShapeNodePrivate final : public QskFillNodePrivate
@@ -69,7 +97,6 @@ class QskShapeNodePrivate final : public QskFillNodePrivate
 QskShapeNode::QskShapeNode()
     : QskFillNode( *new QskShapeNodePrivate )
 {
-    setColoring( Monochrome );
     geometry()->setDrawingMode( QSGGeometry::DrawTriangles );
 }
 
@@ -91,14 +118,24 @@ void QskShapeNode::updateNode( const QPainterPath& path,
         return;
     }
 
+    QColor c;
+
+    if ( gradient.isMonochrome() && hasHint( PreferColoredGeometry ) )
+        c = gradient.startColor();
+
+    const bool isDirty = ( isGeometryColored() != c.isValid() );
+
+    if ( c.isValid() )
+        setColoring( QskFillNode::Polychrome );
+    else
         setColoring( rect, gradient );
 
-    if ( ( transform != d->transform ) || ( path != d->path ) )
+    if ( isDirty || ( transform != d->transform ) || ( path != d->path ) )
     {
         d->path = path;
         d->transform = transform;
 
-        qskUpdateGeometry( path, transform, *geometry() );
+        qskUpdateGeometry( path, transform, c, *geometry() );
 
         geometry()->markVertexDataDirty();
         markDirty( QSGNode::DirtyGeometry );