include: Add some of the XPS OM interfaces.

include/Makefile.in

@@ -879,4 +879,6 @@ SOURCES = \
 	xmldso.idl \
 	xmldsodid.h \
 	xmllite.idl \
+	xpsobjectmodel.idl \
+	xpsobjectmodel_1.idl \
 	zmouse.h

include/xpsobjectmodel_1.idl

+/*
+ * Copyright 2021 Nikolay Sivov for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+import "xpsobjectmodel.idl";
+
+typedef [v1_enum] enum
+{
+    XPS_DOCUMENT_TYPE_UNSPECIFIED = 1,
+    XPS_DOCUMENT_TYPE_XPS,
+    XPS_DOCUMENT_TYPE_OPENXPS
+} XPS_DOCUMENT_TYPE;
+
+[
+    object,
+    local,
+    pointer_default(ref),
+    uuid(3b0b6d38-53ad-41da-b212-d37637a6714e),
+]
+interface IXpsDocumentPackageTarget : IUnknown
+{
+    HRESULT GetXpsOMPackageWriter(
+        [in] IOpcPartUri *documentpart,
+        [in] IOpcPartUri *controlpart,
+        [out, retval] IXpsOMPackageWriter **writer
+    );
+
+    HRESULT GetXpsOMFactory(
+        [out, retval] IXpsOMObjectFactory **factory
+    );
+
+    HRESULT GetXpsType(
+        [out, retval] XPS_DOCUMENT_TYPE *document_type
+    );
+}