1 files changed, 40 insertions, 0 deletions
diff --git a/include/vcl/filter/pdfobjectcontainer.hxx b/include/vcl/filter/pdfobjectcontainer.hxx
new file mode 100644
index 000000000..f6614f09e
--- /dev/null
+++ b/include/vcl/filter/pdfobjectcontainer.hxx
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <sal/types.h>
+
+namespace vcl
+{
+/// Allows creating, updating and writing PDF objects in a container.
+class SAL_NO_VTABLE SAL_DLLPUBLIC_RTTI PDFObjectContainer
+{
+public:
+    /* adds an entry to m_aObjects and returns its index+1,
+     * sets the offset to ~0
+     */
+    virtual sal_Int32 createObject() = 0;
+    /* sets the offset of object n to the current position of output file+1
+     */
+    virtual bool updateObject(sal_Int32 n) = 0;
+
+    // Write pBuffer to the end of the output.
+    virtual bool writeBuffer(const void* pBuffer, sal_uInt64 nBytes) = 0;
+
+    virtual void checkAndEnableStreamEncryption(sal_Int32 nObject) = 0;
+
+    virtual void disableStreamEncryption() = 0;
+
+protected:
+    ~PDFObjectContainer() noexcept = default;
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */