1 files changed, 64 insertions, 0 deletions
diff --git a/include/vcl/Scanline.hxx b/include/vcl/Scanline.hxx
new file mode 100644
index 000000000..839130e38
--- /dev/null
+++ b/include/vcl/Scanline.hxx
@@ -0,0 +1,64 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_VCL_SCANLINE_HXX
+#define INCLUDED_VCL_SCANLINE_HXX
+
+#include <o3tl/typed_flags_set.hxx>
+
+typedef sal_uInt8*        Scanline;
+typedef const sal_uInt8*  ConstScanline;
+
+enum class ScanlineFormat {
+    NONE              = 0x00000000,
+
+    N1BitMsbPal       = 0x00000001,
+    N1BitLsbPal       = 0x00000002,
+
+    N4BitMsnPal       = 0x00000004,
+    N4BitLsnPal       = 0x00000008,
+
+    N8BitPal          = 0x00000010,
+    N8BitTcMask       = 0x00000020,
+
+    N24BitTcBgr       = 0x00000100,
+    N24BitTcRgb       = 0x00000200,
+
+    N32BitTcAbgr      = 0x00000800,
+    N32BitTcArgb      = 0x00001000,
+    N32BitTcBgra      = 0x00002000,
+    N32BitTcRgba      = 0x00004000,
+    N32BitTcMask      = 0x00008000,
+
+    TopDown           = 0x00010000 // scanline adjustment
+};
+
+namespace o3tl
+{
+    template<> struct typed_flags<ScanlineFormat> : is_typed_flags<ScanlineFormat, 0x0001fb3f> {};
+}
+
+inline ScanlineFormat RemoveScanline(ScanlineFormat nFormat)
+{
+    return nFormat & ~ScanlineFormat::TopDown;
+}
+
+#endif // INCLUDED_VCL_SCANLINE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */