diff --git a/Gtk4/image_types.h b/Gtk4/image_types.h
new file mode 100644
index 0000000..87ed106
--- /dev/null
+++ b/Gtk4/image_types.h
@@ -0,0 +1,36 @@
+//This File is some extensions of image
+//Note that this is the first edition,may needs improvement
+static const char * const supported_globs[]={
+    "*.bmp",
+    "*.cod",
+    "*.gif",
+    "*.ief",
+    "*.jpe",
+    "*.jpeg",
+    "*.jpg",
+    "*.jfif",
+    "*.svg",
+    "*.png",
+    "*.tif",
+    "*.tiff",
+    "*.ras",
+    "*.cmx",
+    "*.ico",
+    "*.pnm",
+    "*.pbm",
+    "*.pgm",
+    "*.ppm",
+    "*.rgb",
+    "*.xbm",
+    "*.xpm",
+    "*.xwd",
+    NULL
+};
+
+static inline bool mime_type_supported(){
+    #ifdef G_OS_WIN32
+        return false;
+    #else
+        return true;
+    #endif
+}