Applied patch [ 1447184 ] Elimination of a warning about unused parameters

[wxWidgets.git] / src / msw / dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 62d88bf832011a26790d2983b600683b1db265b0..151d32fdf43695a4b1043281dc237e4ed33b8fda 100644 (file)
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -483,6 +483,14 @@ void wxDC::DestroyClippingRegion()
 
     if (m_clipping && m_hDC)
     {
+#if 1
+        // On a PocketPC device (not necessarily emulator), resetting
+        // the clip region as per the old method causes bad display
+        // problems. In fact setting a null region is probably OK
+        // on desktop WIN32 also, since the WIN32 docs imply that the user
+        // clipping region is independent from the paint clipping region.
+        ::SelectClipRgn(GetHdc(), 0);
+#else        
         // TODO: this should restore the previous clipping region,
         //       so that OnPaint processing works correctly, and the update
         //       clipping region doesn't get destroyed after the first
@@ -490,6 +498,7 @@ void wxDC::DestroyClippingRegion()
         HRGN rgn = CreateRectRgn(0, 0, 32000, 32000);
         ::SelectClipRgn(GetHdc(), rgn);
         ::DeleteObject(rgn);
+#endif        
     }
 
     wxDCBase::DestroyClippingRegion();
@@ -2647,13 +2656,13 @@ void wxDC::DoGradientFillLinear (const wxRect& rect,
         vertices[1].x = rect.GetRight();
         vertices[1].y = rect.GetBottom();
 
-        vertices[firstVertex].Red = initialColour.Red() << 8;
-        vertices[firstVertex].Green = initialColour.Green() << 8;
-        vertices[firstVertex].Blue = initialColour.Blue() << 8;
+        vertices[firstVertex].Red = (COLOR16)(initialColour.Red() << 8);
+        vertices[firstVertex].Green = (COLOR16)(initialColour.Green() << 8);
+        vertices[firstVertex].Blue = (COLOR16)(initialColour.Blue() << 8);
         vertices[firstVertex].Alpha = 0;
-        vertices[1 - firstVertex].Red = destColour.Red() << 8;
-        vertices[1 - firstVertex].Green = destColour.Green() << 8;
-        vertices[1 - firstVertex].Blue = destColour.Blue() << 8;
+        vertices[1 - firstVertex].Red = (COLOR16)(destColour.Red() << 8);
+        vertices[1 - firstVertex].Green = (COLOR16)(destColour.Green() << 8);
+        vertices[1 - firstVertex].Blue = (COLOR16)(destColour.Blue() << 8);
         vertices[1 - firstVertex].Alpha = 0;
 
         if (nDirection == wxWEST ||