X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a1b806b98241ab649c169aaa1f134df85e80fb8b..eceb6af1586b7ec760bcbc1aca01ca59e4cd1711:/src/msw/graphics.cpp

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index 0aede6aaca..0bc8226142 100644
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -335,6 +335,8 @@ public:
 
     virtual bool SetAntialiasMode(wxAntialiasMode antialias);
 
+    virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation);
+    
     virtual bool SetCompositionMode(wxCompositionMode op);
 
     virtual void BeginLayer(wxDouble opacity);
@@ -1479,6 +1481,12 @@ bool wxGDIPlusContext::SetAntialiasMode(wxAntialiasMode antialias)
     return true;
 }
 
+bool wxGDIPlusContext::SetInterpolationQuality(wxInterpolationQuality WXUNUSED(interpolation))
+{
+    // placeholder
+    return false;
+}
+
 bool wxGDIPlusContext::SetCompositionMode(wxCompositionMode op)
 {
     if ( m_composition == op )
@@ -1539,6 +1547,8 @@ void wxGDIPlusContext::PushState()
 
 void wxGDIPlusContext::PopState()
 {
+    wxCHECK_RET( !m_stateStack.empty(), wxT("No state to pop") );
+
     GraphicsState state = m_stateStack.top();
     m_stateStack.pop();
     m_context->Restore(state);
@@ -1896,7 +1906,7 @@ void wxGDIPlusRenderer::Unload()
     if ( m_gditoken )
     {
         GdiplusShutdown(m_gditoken);
-        m_gditoken = NULL;
+        m_gditoken = 0;
     }
     m_loaded = -1; // next Load() will try again
 }