X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/88f2a7714a3a6d5b5da9494f3eede8b49f978cca..e269a9be19a8c454fee444500447db925992f86b:/src/mgl/dc.cpp

diff --git a/src/mgl/dc.cpp b/src/mgl/dc.cpp
index 6d1111607d..e9a24c404e 100644
--- a/src/mgl/dc.cpp
+++ b/src/mgl/dc.cpp
@@ -47,6 +47,10 @@
 // constants
 //-----------------------------------------------------------------------------
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 const double mm2inches      = 0.0393700787402;
 const double inches2mm      = 25.4;
 const double mm2twips       = 56.6929133859;
@@ -553,8 +557,16 @@ void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
     {
         if ( !m_penSelected ) 
             SelectPen();
-        m_MGLDC->rect(xx + m_penOfsX, yy + m_penOfsY, 
-                      xx + ww + m_penOfsX, yy + hh + m_penOfsY);
+
+        // VS: MGLDC::rect() does not render rectangles that have width
+        //     or height equal to 1, so we have to use MGLDC::line()
+        //     instead...
+        if ( hh == 1 || ww == 1 )
+            m_MGLDC->line(xx + m_penOfsX, yy + m_penOfsY, 
+                          xx + ww-1 + m_penOfsX, yy + hh-1 + m_penOfsY);
+        else
+            m_MGLDC->rect(xx + m_penOfsX, yy + m_penOfsY, 
+                          xx + ww + m_penOfsX, yy + hh + m_penOfsY);
     }    
 
     CalcBoundingBox(x, y);
@@ -1097,7 +1109,8 @@ void wxDC::SetPalette(const wxPalette& palette)
     
     if ( palette == wxNullPalette )
     {
-        SetPalette(m_oldPalette);
+        if ( m_oldPalette.Ok() )
+            SetPalette(m_oldPalette);
         return;
     }
 
@@ -1114,9 +1127,11 @@ void wxDC::SetPalette(const wxPalette& palette)
 
 void wxDC::SetFont(const wxFont& font)
 {
-    wxCHECK_RET( font.Ok(), wxT("invalid font") );
-    m_font = font;
-    m_mglFont = NULL;
+    if ( font.Ok() )
+    {
+        m_font = font;
+        m_mglFont = NULL;
+    }
 }
 
 void wxDC::SetBackground(const wxBrush& brush)