Add wx headers and ext

wxheaders/wx/private/animate.h

@@ -0,0 +1,44 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/private/animate.h
+// Purpose:     wxAnimationImpl declaration
+// Author:      Robin Dunn, Vadim Zeitlin
+// Created:     2020-04-06
+// Copyright:   (c) 2020 wxWidgets development team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_ANIMATEH__
+#define _WX_PRIVATE_ANIMATEH__
+
+// ----------------------------------------------------------------------------
+// wxAnimationImpl
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxAnimationImpl : public wxRefCounter
+{
+public:
+    wxAnimationImpl() {}
+    virtual ~wxAnimationImpl() {}
+
+    virtual bool IsOk() const = 0;
+    virtual bool IsCompatibleWith(wxClassInfo* ci) const = 0;
+
+    // can be -1
+    virtual int GetDelay(unsigned int frame) const = 0;
+
+    virtual unsigned int GetFrameCount() const = 0;
+    virtual wxImage GetFrame(unsigned int frame) const = 0;
+    virtual wxSize GetSize() const = 0;
+
+    virtual bool LoadFile(const wxString& name,
+                          wxAnimationType type = wxANIMATION_TYPE_ANY) = 0;
+    virtual bool Load(wxInputStream& stream,
+                      wxAnimationType type = wxANIMATION_TYPE_ANY) = 0;
+
+    // This function creates the default implementation for this platform:
+    // currently it's wxAnimationGTKImpl under wxGTK and wxAnimationGenericImpl
+    // under all the other platforms.
+    static wxAnimationImpl *CreateDefault();
+};
+
+#endif // _WX_PRIVATE_ANIMATEH__