add QskTickmarksMetrics to QskVariantAnimator

src/controls/QskVariantAnimator.cpp

@@ -10,6 +10,7 @@
 #include "QskBoxShapeMetrics.h"
 #include "QskShadowMetrics.h"
 #include "QskStippleMetrics.h"
+#include "QskTickmarksMetrics.h"
 #include "QskColorFilter.h"
 #include "QskGradient.h"
 #include "QskMargins.h"
@@ -49,6 +50,7 @@ static void qskRegisterInterpolator()
     qRegisterAnimationInterpolator< QskShadowMetrics >( QskShadowMetrics::interpolate );
     qRegisterAnimationInterpolator< QskStippleMetrics >( QskStippleMetrics::interpolate );
     qRegisterAnimationInterpolator< QskArcMetrics >( QskArcMetrics::interpolate );
+    qRegisterAnimationInterpolator< QskTickmarksMetrics >( QskTickmarksMetrics::interpolate );
 }
 
 Q_CONSTRUCTOR_FUNCTION( qskRegisterInterpolator )

src/nodes/QskTickmarksMetrics.cpp

@@ -1,6 +1,6 @@
 #include "QskTickmarksMetrics.h"
 
-#include <QVariant>
+#include <qvariant.h>
 
 static void qskRegisterTickmarksMetrics()
 {
@@ -13,6 +13,33 @@ static void qskRegisterTickmarksMetrics()
 
 Q_CONSTRUCTOR_FUNCTION( qskRegisterTickmarksMetrics )
 
+static inline qreal qskInterpolated( qreal from, qreal to, qreal ratio )
+{
+    return from + ( to - from ) * ratio;
+}
+
+QskTickmarksMetrics QskTickmarksMetrics::interpolated(
+    const QskTickmarksMetrics& to, const qreal ratio ) const noexcept
+{
+    if ( ( *this == to ) ) // TODO QskTickmarksMetrics::sizeMode
+    {
+        return to;
+    }
+
+    return 
+    {
+        qskInterpolated(m_minorRatio, to.m_minorRatio, ratio),
+        qskInterpolated(m_mediumRatio, to.m_mediumRatio, ratio),
+        qskInterpolated(m_majorRatio, to.m_majorRatio, ratio)
+    };
+}
+
+QVariant QskTickmarksMetrics::interpolate(
+    const QskTickmarksMetrics& from, const QskTickmarksMetrics& to, const qreal progress )
+{
+    return QVariant::fromValue( from.interpolated( to, progress ) );
+}
+
 #ifndef QT_NO_DEBUG_STREAM
 
 #include <qdebug.h>

src/nodes/QskTickmarksMetrics.h

@@ -40,6 +40,11 @@ class QSK_EXPORT QskTickmarksMetrics
     Q_REQUIRED_RESULT constexpr qreal ratio( int index ) const noexcept;
     constexpr void setRatio(int index, qreal ratio) noexcept;
 
+    Q_REQUIRED_RESULT QskTickmarksMetrics interpolated( const QskTickmarksMetrics&,
+        qreal progress ) const noexcept;
+    Q_REQUIRED_RESULT static QVariant interpolate(
+        const QskTickmarksMetrics& , const QskTickmarksMetrics& , qreal progress );
+
     Q_REQUIRED_RESULT QskHashValue hash( QskHashValue seed = 0 ) const noexcept;
 
   private: