diff --git a/src/graphic/QskGraphicImageProvider.cpp b/src/graphic/QskGraphicImageProvider.cpp
index 3948a358..d88d740d 100644
--- a/src/graphic/QskGraphicImageProvider.cpp
+++ b/src/graphic/QskGraphicImageProvider.cpp
@@ -8,6 +8,42 @@
 #include "QskGraphicProvider.h"
 #include "QskGraphicTextureFactory.h"
 
+static inline QSize qskGraphicSize( const QskGraphic& graphic,
+    const QSize& requestedSize, QSize* result )
+{
+    const QSizeF defaultSize = graphic.defaultSize();
+
+    if ( requestedSize.width() == 0 || requestedSize.height() == 0 )
+        return QSize( 0, 0 );
+
+    if ( requestedSize.width() > 0 && requestedSize.height() > 0 )
+        return requestedSize;
+
+    if ( defaultSize.isEmpty() )
+        return requestedSize;
+
+    if ( requestedSize.height() < 0 )
+    {
+        const auto f = requestedSize.width() / defaultSize.width();
+        return QSize( requestedSize.width(),
+            static_cast< int >( f * defaultSize.height() ) );
+    }
+
+    if ( requestedSize.width() < 0 )
+    {
+        const auto f = requestedSize.height() / defaultSize.height();
+        return QSize( f * defaultSize.width(),
+            static_cast< int >( requestedSize.height() ) );
+    }
+
+    const auto ret = defaultSize.toSize();
+
+    if ( result )
+        *result = ret;
+
+    return ret;
+}
+
 QskGraphicImageProvider::QskGraphicImageProvider(
         const QString& providerId, ImageType type )
     : QQuickImageProvider( type )
@@ -39,15 +75,11 @@ QImage QskGraphicImageProvider::requestImage(
         return dummy;
     }
 
-    const QskGraphic* graphic = requestGraphic( id );
+    const auto graphic = requestGraphic( id );
     if ( graphic == nullptr )
         return QImage();
 
-    const QSize sz = effectiveSize( requestedSize, graphic->defaultSize() );
-
-    if ( size )
-        *size = sz;
-
+    const QSize sz = qskGraphicSize( *graphic, requestedSize, size );
     return graphic->toImage( sz, Qt::KeepAspectRatio );
 }
 
@@ -64,15 +96,11 @@ QPixmap QskGraphicImageProvider::requestPixmap(
         return dummy;
     }
 
-    const QskGraphic* graphic = requestGraphic( id );
+    const auto graphic = requestGraphic( id );
     if ( graphic == nullptr )
         return QPixmap();
 
-    const QSize sz = effectiveSize( requestedSize, graphic->defaultSize() );
-
-    if ( size )
-        *size = sz;
-
+    const QSize sz = qskGraphicSize( *graphic, requestedSize, size );
     return graphic->toPixmap( sz, Qt::KeepAspectRatio );
 }
 
@@ -82,15 +110,11 @@ QQuickTextureFactory* QskGraphicImageProvider::requestTexture(
     if ( requestedSize.width() == 0 || requestedSize.height() == 0 )
         return nullptr;
 
-    const QskGraphic* graphic = requestGraphic( id );
+    const auto graphic = requestGraphic( id );
     if ( graphic == nullptr )
         return nullptr;
 
-    const QSize sz = effectiveSize( requestedSize, graphic->defaultSize() );
-
-    if ( size )
-        *size = sz;
-
+    const QSize sz = qskGraphicSize( *graphic, requestedSize, size );
     return new QskGraphicTextureFactory( *graphic, sz );
 }
 
@@ -101,32 +125,3 @@ const QskGraphic* QskGraphicImageProvider::requestGraphic( const QString& id ) c
 
     return nullptr;
 }
-
-QSize QskGraphicImageProvider::effectiveSize(
-    const QSize& requestedSize, const QSizeF& defaultSize ) const
-{
-    if ( requestedSize.width() == 0 || requestedSize.height() == 0 )
-        return QSize( 0, 0 );
-
-    if ( requestedSize.width() > 0 && requestedSize.height() > 0 )
-        return requestedSize;
-
-    if ( defaultSize.isEmpty() )
-        return requestedSize;
-
-    if ( requestedSize.height() < 0 )
-    {
-        const auto f = requestedSize.width() / defaultSize.width();
-        return QSize( requestedSize.width(),
-            static_cast< int >( f * defaultSize.height() ) );
-    }
-
-    if ( requestedSize.width() < 0 )
-    {
-        const auto f = requestedSize.height() / defaultSize.height();
-        return QSize( f * defaultSize.width(),
-            static_cast< int >( requestedSize.height() ) );
-    }
-
-    return defaultSize.toSize();
-}
diff --git a/src/graphic/QskGraphicImageProvider.h b/src/graphic/QskGraphicImageProvider.h
index 23a68625..cc7ed2e0 100644
--- a/src/graphic/QskGraphicImageProvider.h
+++ b/src/graphic/QskGraphicImageProvider.h
@@ -17,9 +17,6 @@ class QSK_EXPORT QskGraphicImageProvider : public QQuickImageProvider
     QskGraphicImageProvider( const QString& providerId, ImageType );
     ~QskGraphicImageProvider() override;
 
-    void setCacheSize( int );
-    int cacheSize() const;
-
     QImage requestImage( const QString& id,
         QSize* size, const QSize& requestedSize ) override;
 
@@ -33,8 +30,8 @@ class QSK_EXPORT QskGraphicImageProvider : public QQuickImageProvider
 
   protected:
     const QskGraphic* requestGraphic( const QString& id ) const;
-    QSize effectiveSize( const QSize& requestedSize, const QSizeF& defaultSize ) const;
 
+  private:
     const QString m_providerId;
 };