tdf#96657 - vcldemo - implement invert: Track Frame rendering test.

Change-Id: I07f4622945cf5787102317cfa38875c67104f265
Reviewed-on: https://gerrit.libreoffice.org/21290Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

vcl/source/outdev/rect.cxx

@@ -159,6 +159,8 @@ void OutputDevice::Invert( const Rectangle& rRect, InvertFlags nFlags )
         nSalFlags |= SAL_INVERT_HIGHLIGHT;
     if ( nFlags & InvertFlags::N50 )
         nSalFlags |= SAL_INVERT_50;
+    if ( nFlags == (InvertFlags) 0xffff ) // vcldemo trackframe test
+        nSalFlags = SAL_INVERT_TRACKFRAME;
     mpGraphics->Invert( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(), nSalFlags, this );
 }
 

vcl/workben/vcldemo.cxx

@@ -570,6 +570,16 @@ public:
     struct DrawEllipse : public RegionRenderer
     {
         RENDER_DETAILS(ellipse,KEY_E,500)
+        void doInvert(OutputDevice &rDev, const Rectangle &r,
+                      InvertFlags nFlags)
+        {
+            rDev.Invert(r, nFlags);
+            if (r.GetWidth() > 10 && r.GetHeight() > 10)
+            {
+                Rectangle aSmall(r.Center()-Point(4,4), Size(8,8));
+                rDev.Invert(aSmall,nFlags);
+            }
+        }
         virtual void RenderRegion(OutputDevice &rDev, Rectangle r,
                                   const RenderContext &rCtx) override
         {
@@ -580,10 +590,10 @@ public:
             if (rCtx.meStyle == RENDER_EXPANDED)
             {
                 auto aRegions = partition(rCtx, 2, 2);
-                rDev.Invert(aRegions[0]);
-                rDev.Invert(aRegions[1], InvertFlags::N50);
-                rDev.Invert(aRegions[2], InvertFlags::Highlight);
-                rDev.Invert(aRegions[3], (InvertFlags)0xffff);
+                doInvert(rDev, aRegions[0], InvertFlags::NONE);
+                doInvert(rDev, aRegions[1], InvertFlags::N50);
+                doInvert(rDev, aRegions[2], InvertFlags::Highlight);
+                doInvert(rDev, aRegions[3], (InvertFlags)0xffff);
             }
         }
     };