int refWidth, int refHeight, int* p_x, int* p_y )
{
int iPosition = getPosition( position );
- if( iPosition == POS_UNDEF )
- return;
+ if( iPosition != POS_UNDEF )
+ {
+ // compute offset against the parent object size
+ // for backward compatibility
+ int i_xOffset = getDimension( xOffset, refWidth );
+ int i_yOffset = getDimension( yOffset, refHeight );
+ int i_xMargin = getDimension( xMargin, refWidth );
+ int i_yMargin = getDimension( yMargin, refHeight );
+
+ // compute *p_x
+ if( iPosition & POS_LEFT )
+ *p_x = i_xMargin;
+ else if( iPosition & POS_RIGHT )
+ *p_x = refWidth - width - i_xMargin;
+ else
+ *p_x = ( refWidth - width ) / 2;
+
+ // compute *p_y
+ if( iPosition & POS_TOP )
+ *p_y = i_yMargin;
+ else if( iPosition & POS_BOTTOM )
+ *p_y = refHeight - height - i_yMargin;
+ else
+ *p_y = ( refHeight - height ) / 2;
+
+ // add offset
+ *p_x += i_xOffset;
+ *p_y += i_yOffset;
+ }
+ else
+ {
+ // compute offset against the current object size
+ int i_xOffset = getDimension( xOffset, width );
+ int i_yOffset = getDimension( yOffset, height );
- int i_xOffset = getDimension( xOffset, refWidth );
- int i_yOffset = getDimension( yOffset, refHeight );
- int i_xMargin = getDimension( xMargin, refWidth );
- int i_yMargin = getDimension( yMargin, refHeight );
-
- // compute *p_x
- if( iPosition & POS_LEFT )
- *p_x = i_xMargin;
- else if( iPosition & POS_RIGHT )
- *p_x = refWidth - width - i_xMargin;
- else
- *p_x = ( refWidth - width ) / 2;
-
- // compute *p_y
- if( iPosition & POS_TOP )
- *p_y = i_yMargin;
- else if( iPosition & POS_BOTTOM )
- *p_y = refHeight - height - i_yMargin;
- else
- *p_y = ( refHeight - height ) / 2;
-
- // add offset
- *p_x += i_xOffset;
- *p_y += i_yOffset;
+ // add offset
+ *p_x += i_xOffset;
+ *p_y += i_yOffset;
+ }
}