sw: add SwViewShell::mbOutputToWindow

So that we can know if the output is a virtual device that will end up
on the screen (due to double buffering) or a "real" virtual device.

Change-Id: I1e8eeddfb19c374363b98786c26836e1f3236e7f

sw/inc/viewsh.hxx

@@ -192,6 +192,9 @@ protected:
 
     bool mbInLibreOfficeKitCallback;
 
+    /// The virtual device we paint to will end up on the screen.
+    bool mbOutputToWindow;
+
 public:
     TYPEINFO();
 
@@ -580,6 +583,9 @@ public:
     /// Are we doing tiled rendering?
     bool isTiledRendering() const;
 
+    void setOutputToWindow(bool bOutputToWindow);
+    bool isOutputToWindow() const;
+
 };
 
 // manages global ShellPointer

sw/source/core/doc/notxtfrm.cxx

@@ -935,7 +935,7 @@ void SwNoTextFrm::PaintPicture( vcl::RenderContext* pOut, const SwRect &rGrfArea
                         pVout = 0;
 
                     OSL_ENSURE( OUTDEV_VIRDEV != pOut->GetOutDevType() ||
-                            pShell->GetViewOptions()->IsPDFExport(),
+                            pShell->GetViewOptions()->IsPDFExport() || pShell->isOutputToWindow(),
                             "pOut should not be a virtual device" );
 
                     pGrfNd->StartGraphicAnimation(pOut, aAlignedGrfArea.Pos(),

sw/source/core/view/viewsh.cxx

@@ -139,6 +139,16 @@ bool SwViewShell::isTiledRendering() const
     return getIDocumentDrawModelAccess()->GetDrawModel()->isTiledRendering();
 }
 
+void SwViewShell::setOutputToWindow(bool bOutputToWindow)
+{
+    mbOutputToWindow = bOutputToWindow;
+}
+
+bool SwViewShell::isOutputToWindow() const
+{
+    return mbOutputToWindow;
+}
+
 static void
 lcl_PaintTransparentFormControls(SwViewShell & rShell, SwRect const& rRect)
 {

sw/source/core/view/vnew.cxx

@@ -170,6 +170,7 @@ SwViewShell::SwViewShell( SwDoc& rDocument, vcl::Window *pWindow,
     mnLockPaint( 0 ),
     mbSelectAll(false),
     mbInLibreOfficeKitCallback(false),
+    mbOutputToWindow(false),
     mpPrePostOutDev(0), // #i72754#
     maPrePostMapMode()
 {
@@ -246,6 +247,7 @@ SwViewShell::SwViewShell( SwViewShell& rShell, vcl::Window *pWindow,
     mnLockPaint( 0 ),
     mbSelectAll(false),
     mbInLibreOfficeKitCallback(false),
+    mbOutputToWindow(false),
     mpPrePostOutDev(0), // #i72754#
     maPrePostMapMode()
 {

sw/source/uibase/docvw/edtwin2.cxx

@@ -467,7 +467,11 @@ void SwEditWin::Paint(vcl::RenderContext& rRenderContext, const Rectangle& rRect
               GetView().GetVisArea().GetHeight() <= 0 )
         Invalidate( rRect );
     else
+    {
+        pWrtShell->setOutputToWindow(true);
         pWrtShell->Paint(rRenderContext, rRect);
+        pWrtShell->setOutputToWindow(false);
+    }
 
     if( bPaintShadowCrsr )
         m_pShadCrsr->Paint();