don't add new PNG handler instance every time wxSVGFileImplDC::DoDrawBitmap() is...

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50152 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/dcsvg.cpp b/src/common/dcsvg.cpp
index 063b017bfc08dd231ba64f88716d133584ee7128..924bef64401ef5fae17d2a52ddfb5cc2af09dca8 100644 (file)
--- a/src/common/dcsvg.cpp
+++ b/src/common/dcsvg.cpp
@@ -649,7 +649,8 @@ void wxSVGFileImplDC::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoor
     if (m_graphics_changed) NewGraphics ();
 
     wxString sTmp, s, sPNG ;
     if (m_graphics_changed) NewGraphics ();
 
     wxString sTmp, s, sPNG ;

-    wxImage::AddHandler(new wxPNGHandler);
+    if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
+        wxImage::AddHandler(new wxPNGHandler);

 
 // create suitable file name
     sTmp.Printf ( wxT("_image%d.png"), m_sub_images);
 
 // create suitable file name
     sTmp.Printf ( wxT("_image%d.png"), m_sub_images);