Bug fixed in slots onSize[XY]Changed() of UIParamBufferSize1D and UIParamBufferSize2D.

UIParam/UIParamBufferSize1D.cpp

@@ -38,10 +38,15 @@ void UIParamBufferSize1D::onSizeChanged( int size )
     if( size == m_Pow2Value )
         return;
 
+    if( size & (size-1) )
+    {
         if( (unsigned int) size < m_Pow2Value )
             m_Pow2Value >>= 1;
         else
             m_Pow2Value <<= 1;
+    }
+    else
+        m_Pow2Value = size;
 
     QSpinBox *spinSizeX = (QSpinBox*) m_Widget;
     spinSizeX->setValue( m_Pow2Value );

UIParam/UIParamBufferSize2D.cpp

@@ -51,6 +51,8 @@ void UIParamBufferSize2D::onSizeXChanged( int size )
     if( size == m_Pow2ValueX )
         return;
 
+    if( size & (size-1) )
+    {
         if( (unsigned int) size < m_Pow2ValueX )
         {
             m_Pow2ValueX >>= 1;
@@ -64,6 +66,12 @@ void UIParamBufferSize2D::onSizeXChanged( int size )
 
         m_SpinSizeX->setValue( m_Pow2ValueX );
         m_SpinSizeY->setValue( m_Pow2ValueY );
+    }
+    else
+    {
+        m_Pow2ValueX = size;
+        m_SpinSizeX->setValue( m_Pow2ValueX );
+    }
 
     emit valueChanged( QSize(m_Pow2ValueX,m_Pow2ValueY) );
 }
@@ -74,10 +82,15 @@ void UIParamBufferSize2D::onSizeYChanged( int size )
     if( size == m_Pow2ValueY )
         return;
 
+    if( size & (size-1) )
+    {
         if( (unsigned int) size < m_Pow2ValueY )
             m_Pow2ValueY >>= 1;
         else
             m_Pow2ValueY <<= 1;
+    }
+    else
+        m_Pow2ValueY = size;
 
     m_SpinSizeY->setValue( m_Pow2ValueY );