X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a2d6d210991fb1d29570a46e0f26c7a4b9cf89ff..187d815255d240350c598721db1e0c1b4d3fb527:/src/common/graphcmn.cpp

diff --git a/src/common/graphcmn.cpp b/src/common/graphcmn.cpp
index ff9afe733e..f921072da7 100644
--- a/src/common/graphcmn.cpp
+++ b/src/common/graphcmn.cpp
@@ -48,6 +48,8 @@ static inline double DegToRad(double deg)
 
 //-----------------------------------------------------------------------------
 
+IMPLEMENT_ABSTRACT_CLASS(wxGraphicsPath, wxObject)
+
 wxPoint2DDouble wxGraphicsPath::GetCurrentPoint()
 {
     wxDouble x,y;
@@ -150,6 +152,8 @@ void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDo
 // wxGraphicsContext Convenience Methods
 //-----------------------------------------------------------------------------
 
+IMPLEMENT_ABSTRACT_CLASS(wxGraphicsContext, wxObject)
+
 void wxGraphicsContext::DrawPath( const wxGraphicsPath *path, int fillStyle )
 {
     FillPath( path , fillStyle );
@@ -274,6 +278,11 @@ wxGCDC::wxGCDC()
     Init();
 }
 
+void wxGCDC::SetGraphicsContext( wxGraphicsContext* ctx )
+{ 
+    delete m_graphicContext;
+    m_graphicContext = ctx;
+}
 
 wxGCDC::wxGCDC(const wxWindowDC& dc)
 {
@@ -1084,7 +1093,7 @@ bool wxGCDC::DoBlit(
     wxCoord wwdest = LogicalToDeviceXRel(width);
     wxCoord hhdest = LogicalToDeviceYRel(height);
 
-    wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source);
+    wxMemoryDC* memdc = wxDynamicCast(source,wxMemoryDC);
     if ( memdc && logical_func == wxCOPY )
     {
         wxBitmap blit = memdc->GetSelectedBitmap();
@@ -1126,7 +1135,7 @@ bool wxGCDC::DoBlit(
     }
     else
     {
-        wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") );
+        wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts, and only with wxCOPY logical operation.") );
         return false;
     }