allow overruling treatment as not-Window

Change-Id: I26f987b1c2993f50cb67d89a68daf4ec82641700
Reviewed-on: https://gerrit.libreoffice.org/72383Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

include/svx/sdrpaintwindow.hxx

@@ -87,6 +87,8 @@ private:
     // #i72889# flag if this is only a temporary target for repaint, default is false
     bool                                                mbTemporaryTarget : 1;
 
+    bool                                                mbOutputToWindow : 1;
+
     // helpers
     void impCreateOverlayManager();
 
@@ -112,7 +114,9 @@ public:
     bool OutputToPrinter() const { return (OUTDEV_PRINTER == mpOutputDevice->GetOutDevType()); }
 
     // Is OutDev a window?
-    bool OutputToWindow() const { return (OUTDEV_WINDOW == mpOutputDevice->GetOutDevType()); }
+    bool OutputToWindow() const { return mbOutputToWindow; }
+
+    void SetOutputToWindow(bool bOutputToWindow) { mbOutputToWindow = bOutputToWindow; }
 
     // Is OutDev a VirtualDevice?
     bool OutputIsVirtualDevice() const { return mpOutputDevice->IsVirtual(); }

svx/source/svdraw/sdrpaintwindow.cxx

@@ -236,7 +236,8 @@ SdrPaintWindow::SdrPaintWindow(SdrPaintView& rNewPaintView, OutputDevice& rOut,
 :   mpOutputDevice(&rOut),
     mpWindow(pWindow),
     mrPaintView(rNewPaintView),
-    mbTemporaryTarget(false) // #i72889#
+    mbTemporaryTarget(false), // #i72889#
+    mbOutputToWindow(OUTDEV_WINDOW == mpOutputDevice->GetOutDevType())
 {
 }