diff --git a/src/common/QskBoxBorderColors.cpp b/src/common/QskBoxBorderColors.cpp
index cbb12e5d..9a201d51 100644
--- a/src/common/QskBoxBorderColors.cpp
+++ b/src/common/QskBoxBorderColors.cpp
@@ -165,6 +165,14 @@ bool QskBoxBorderColors::isMonochrome() const
         && m_gradients[ 3 ].isMonochrome();
 }
 
+bool QskBoxBorderColors::isValid() const
+{
+    return m_gradients[ 0 ].isValid()
+        || m_gradients[ 1 ].isValid()
+        || m_gradients[ 2 ].isValid()
+        || m_gradients[ 3 ].isValid();
+}
+
 QskBoxBorderColors QskBoxBorderColors::interpolated(
     const QskBoxBorderColors& to, qreal ratio ) const
 {
@@ -210,14 +218,44 @@ QDebug operator<<( QDebug debug, const QskBoxBorderColors& colors )
     QDebugStateSaver saver( debug );
     debug.nospace();
 
-    debug << "BoxBorderColors" << '(';
+    debug << "BoxBorderColors";
 
-    debug << " L" << colors.gradient( Qsk::Left );
-    debug << ", T" << colors.gradient( Qsk::Top );
-    debug << ", R" << colors.gradient( Qsk::Right );
-    debug << ", B" << colors.gradient( Qsk::Bottom );
+    if ( !colors.isValid() )
+    {
+        debug << "()";
+    }
+    else
+    {
+        debug << "( ";
 
-    debug << " )";
+        if ( colors.isMonochrome() )
+        {
+            const auto& gradient = colors.gradient( Qsk::Left );
+            QskRgb::debugColor( debug, gradient.startColor() );
+        }
+        else
+        {
+            const char prompts[] = { 'L', 'T', 'R', 'B' };
+
+            for ( int i = 0; i <= Qsk::Bottom; i++ )
+            {
+                if ( i != 0 )
+                    debug << ", ";
+
+                const auto& gradient = colors.gradient(
+                    static_cast< Qsk::Position >( i ) );
+
+                debug << prompts[ i ] << ": ";
+
+                if ( gradient.isValid() && gradient.isMonochrome() )
+                    QskRgb::debugColor( debug, gradient.startColor() );
+                else
+                    debug << gradient;
+            }
+        }
+
+        debug << " )";
+    }
 
     return debug;
 }
diff --git a/src/common/QskBoxBorderColors.h b/src/common/QskBoxBorderColors.h
index b6ca4b68..df670810 100644
--- a/src/common/QskBoxBorderColors.h
+++ b/src/common/QskBoxBorderColors.h
@@ -12,8 +12,6 @@
 #include <qcolor.h>
 #include <qmetatype.h>
 
-class QDebug;
-
 class QSK_EXPORT QskBoxBorderColors
 {
   public:
@@ -53,6 +51,7 @@ class QSK_EXPORT QskBoxBorderColors
 
     bool isMonochrome() const;
     bool isVisible() const;
+    bool isValid() const;
 
   private:
     QskGradient m_gradients[ 4 ];
@@ -80,6 +79,7 @@ inline const QskGradient& QskBoxBorderColors::gradient( Qsk::Position position )
 
 #ifndef QT_NO_DEBUG_STREAM
 
+class QDebug;
 QSK_EXPORT QDebug operator<<( QDebug, const QskBoxBorderColors& );
 
 #endif
diff --git a/src/common/QskBoxBorderMetrics.cpp b/src/common/QskBoxBorderMetrics.cpp
index 25de9fe6..3e9040bc 100644
--- a/src/common/QskBoxBorderMetrics.cpp
+++ b/src/common/QskBoxBorderMetrics.cpp
@@ -109,9 +109,24 @@ QDebug operator<<( QDebug debug, const QskBoxBorderMetrics& metrics )
     QDebugStateSaver saver( debug );
     debug.nospace();
 
-    debug << "BoxBorder" << '(';
-    debug << metrics.sizeMode() << ',' << metrics.widths();
-    debug << ')';
+    debug << "BoxBorder" << "( ";
+
+    if ( metrics.sizeMode() != Qt::AbsoluteSize )
+        debug << metrics.sizeMode() << ", ";
+
+    const auto& w = metrics.widths();
+
+    if ( metrics.isEquidistant() )
+    {
+        debug << w.left();
+    }
+    else
+    {
+        const char s[] = ", ";
+        debug << w.left() << s << w.top() << s << w.right() << s << w.bottom();
+    }
+
+    debug << " )";
 
     return debug;
 }
diff --git a/src/common/QskBoxBorderMetrics.h b/src/common/QskBoxBorderMetrics.h
index 10b7961c..802d2c75 100644
--- a/src/common/QskBoxBorderMetrics.h
+++ b/src/common/QskBoxBorderMetrics.h
@@ -60,6 +60,8 @@ class QSK_EXPORT QskBoxBorderMetrics
     static QVariant interpolate( const QskBoxBorderMetrics&,
         const QskBoxBorderMetrics&, qreal progress );
 
+    constexpr bool isEquidistant() const noexcept;
+
   private:
     QskMargins m_widths;
     Qt::SizeMode m_sizeMode;
@@ -115,6 +117,11 @@ inline constexpr bool QskBoxBorderMetrics::isNull() const noexcept
     return m_widths.isNull();
 }
 
+inline constexpr bool QskBoxBorderMetrics::isEquidistant() const noexcept
+{
+    return m_widths.isEquidistant();
+}
+
 inline constexpr const QskMargins& QskBoxBorderMetrics::widths() const noexcept
 {
     return m_widths;
diff --git a/src/common/QskGradient.cpp b/src/common/QskGradient.cpp
index 1b1415b8..49be2f78 100644
--- a/src/common/QskGradient.cpp
+++ b/src/common/QskGradient.cpp
@@ -229,6 +229,11 @@ QskGradient::QskGradient( Orientation orientation, const QskGradientStops& stops
     setStops( stops );
 }
 
+QskGradient::QskGradient( Qt::Orientation orientation, QGradient::Preset preset )
+    : QskGradient( qskOrientation( orientation ), preset )
+{
+}
+
 QskGradient::QskGradient( Orientation orientation, QGradient::Preset preset )
     : QskGradient( orientation )
 {
@@ -632,7 +637,49 @@ void QskGradient::updateStatusBits() const
 
 QDebug operator<<( QDebug debug, const QskGradient& gradient )
 {
-    debug << "GR:" << gradient.orientation() << gradient.stops().count();
+    QDebugStateSaver saver( debug );
+    debug.nospace();
+
+    debug << "Gradient";
+
+    if ( !gradient.isValid() )
+    {
+        debug << "()";
+    }
+    else
+    {
+        debug << "( ";
+
+        if ( gradient.isMonochrome() )
+        {
+            QskRgb::debugColor( debug, gradient.startColor() );
+        }
+        else
+        {
+            const char o[] = { 'H', 'V', 'D' };
+            debug << o[ gradient.orientation() ] << ", ";
+
+            if ( gradient.stops().count() == 2 )
+            {
+                QskRgb::debugColor( debug, gradient.startColor() );
+                debug << ", ";
+                QskRgb::debugColor( debug, gradient.endColor() );
+            }
+            else
+            {
+                const auto& s = gradient.stops();
+                for ( int i = 0; i < s.count(); i++ )
+                {
+                    if ( i != 0 )
+                        debug << ", ";
+
+                    debug << s[i];
+                }
+            }
+        }
+        debug << " )";
+    }
+
     return debug;
 }
 
diff --git a/src/common/QskGradient.h b/src/common/QskGradient.h
index 75005926..be90ad5a 100644
--- a/src/common/QskGradient.h
+++ b/src/common/QskGradient.h
@@ -52,6 +52,7 @@ class QSK_EXPORT QskGradient
 
     QskGradient( Qt::Orientation, const QVector< QskGradientStop >& );
     QskGradient( Qt::Orientation, const QColor&, const QColor& );
+    QskGradient( Qt::Orientation, QGradient::Preset );
 
     QskGradient( Orientation, const QVector< QskGradientStop >& );
     QskGradient( Orientation, const QColor&, const QColor& );
diff --git a/src/common/QskGradientStop.cpp b/src/common/QskGradientStop.cpp
index 530a2a1d..ffef7d97 100644
--- a/src/common/QskGradientStop.cpp
+++ b/src/common/QskGradientStop.cpp
@@ -78,7 +78,12 @@ QColor QskGradientStop::interpolated(
 
 QDebug operator<<( QDebug debug, const QskGradientStop& stop )
 {
-    debug << stop.position() << ": " << stop.color();
+    QDebugStateSaver saver( debug );
+    debug.nospace();
+
+    debug << stop.position() << ": ";
+    QskRgb::debugColor( debug, stop.color() );
+
     return debug;
 }
 
diff --git a/src/common/QskMargins.h b/src/common/QskMargins.h
index e90c9338..3a3bb962 100644
--- a/src/common/QskMargins.h
+++ b/src/common/QskMargins.h
@@ -61,6 +61,7 @@ class QSK_EXPORT QskMargins : public QMarginsF
     QskMargins interpolated( const QskMargins&, qreal progress ) const noexcept;
 
     constexpr bool isExpanding() const noexcept;
+    constexpr bool isEquidistant() const noexcept;
 
     static QVariant interpolate( const QskMargins&,
         const QskMargins&, qreal progress ) noexcept;
@@ -181,6 +182,11 @@ constexpr inline qreal QskMargins::height() const noexcept
     return top() + bottom();
 }
 
+inline constexpr bool QskMargins::isEquidistant() const noexcept
+{
+    return ( left() == top() ) && ( left() == right() ) && ( left() == bottom() );
+}
+
 Q_DECLARE_TYPEINFO( QskMargins, Q_MOVABLE_TYPE );
 Q_DECLARE_METATYPE( QskMargins )
 
diff --git a/src/common/QskRgbValue.cpp b/src/common/QskRgbValue.cpp
index 49a87f96..7b4c0b8c 100644
--- a/src/common/QskRgbValue.cpp
+++ b/src/common/QskRgbValue.cpp
@@ -172,3 +172,29 @@ QRgb QskRgb::darker( QRgb rgb, int factor ) noexcept
     return QColor::fromRgba( rgb ).darker( factor ).rgba();
 }
 
+#ifndef QT_NO_DEBUG_STREAM
+
+#include <qdebug.h>
+
+void QskRgb::debugColor( QDebug debug, const QColor& color )
+{
+    debugColor( debug, color.rgba() );
+}
+
+void QskRgb::debugColor( QDebug debug, QRgb rgb )
+{
+    QDebugStateSaver saver( debug );
+    debug.nospace();
+
+    debug << '[';
+
+    debug << qRed( rgb ) << "r," << qGreen( rgb ) << "g,"
+        << qBlue( rgb ) << 'b';
+
+    if ( qAlpha( rgb ) != 255 )
+        debug << ',' << qAlpha( rgb ) << 'a';
+
+    debug << ']';
+}
+
+#endif
diff --git a/src/common/QskRgbValue.h b/src/common/QskRgbValue.h
index 9f7a3d9b..8a6059de 100644
--- a/src/common/QskRgbValue.h
+++ b/src/common/QskRgbValue.h
@@ -480,4 +480,16 @@ namespace QskRgb
     QSK_EXPORT QRgb darker( QRgb, int factor = 200 ) noexcept;
 }
 
+#ifndef QT_NO_DEBUG_STREAM
+
+class QDebug;
+
+namespace QskRgb
+{
+    QSK_EXPORT void debugColor( QDebug, const QColor& );
+    QSK_EXPORT void debugColor( QDebug, QRgb );
+}
+
+#endif
+
 #endif