--- /dev/null
+//========================================================================
+//
+// ErrorCodes.h
+//
+// Copyright 2002-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef ERRORCODES_H
+#define ERRORCODES_H
+
+#define errNone 0 // no error
+
+#define errOpenFile 1 // couldn't open the PDF file
+
+#define errBadCatalog 2 // couldn't read the page catalog
+
+#define errDamaged 3 // PDF file was damaged and couldn't be
+ // repaired
+
+#define errEncrypted 4 // file was encrypted and password was
+ // incorrect or not supplied
+
+#define errHighlightFile 5 // nonexistent or invalid highlight file
+
+#define errBadPrinter 6 // invalid printer
+
+#define errPrinting 7 // error during printing
+
+#define errPermission 8 // PDF file doesn't allow that operation
+
+#define errBadPageNum 9 // invalid page number
+
+#define errFileIO 10 // file I/O error
+
+#endif