X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7beb59f36c016d27cf8949eb8c0d38fc63ad536a..0bb0e26c0c82778a50e901acbc5e00f739435eef:/include/wx/imagpng.h

diff --git a/include/wx/imagpng.h b/include/wx/imagpng.h
index 1bd7247687..1f16de2002 100644
--- a/include/wx/imagpng.h
+++ b/include/wx/imagpng.h
@@ -21,6 +21,17 @@
 //-----------------------------------------------------------------------------
 
 #if wxUSE_LIBPNG
+
+#define wxIMAGE_OPTION_PNG_FORMAT    wxT("PngFormat")
+#define wxIMAGE_OPTION_PNG_BITDEPTH  wxT("PngBitDepth")
+
+enum
+{
+    wxPNG_TYPE_COLOUR = 0,
+    wxPNG_TYPE_GREY = 2,
+    wxPNG_TYPE_GREY_RED = 3
+};
+
 class WXDLLEXPORT wxPNGHandler: public wxImageHandler
 {
 public: