tdf#125670 just check gradient clipping on drawing

Otherwise the gradient won't be commited to the Metafile, as
mbOutputClipped will be true, because the output device will
have just one pixel size.

Change-Id: I73084eb715ee6313f6478eded24feb9abfc411f3
Reviewed-on: https://gerrit.libreoffice.org/73423
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/source/outdev/gradient.cxx

@@ -50,12 +50,6 @@ void OutputDevice::DrawGradient( const tools::PolyPolygon& rPolyPoly,
 {
     assert(!is_double_buffered_window());
 
-    if ( mbInitClipRegion )
-        InitClipRegion();
-
-    if ( mbOutputClipped )
-        return;
-
     if ( rPolyPoly.Count() && rPolyPoly[ 0 ].GetSize() )
     {
         if ( mnDrawMode & ( DrawModeFlags::BlackGradient | DrawModeFlags::WhiteGradient | DrawModeFlags::SettingsGradient) )
@@ -107,6 +101,9 @@ void OutputDevice::DrawGradient( const tools::PolyPolygon& rPolyPoly,
                 if( mbInitClipRegion )
                     InitClipRegion();
 
+                if ( mbOutputClipped )
+                    return;
+
                 // try to draw gradient natively
                 bDrawn = mpGraphics->DrawGradient( aClixPolyPoly, aGradient );