1 files changed, 69 insertions, 0 deletions
diff --git a/canvas/inc/rendering/isurface.hxx b/canvas/inc/rendering/isurface.hxx
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index 000000000..f3d3beaf0
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+++ b/canvas/inc/rendering/isurface.hxx
@@ -0,0 +1,69 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+namespace basegfx
+{
+    class B2IRange;
+    class B2IPoint;
+}
+
+namespace canvas
+{
+    struct IColorBuffer;
+
+    struct ISurface
+    {
+        virtual ~ISurface() {}
+
+        /** Select texture behind this interface to be the current one
+            for primitive output.
+         */
+        virtual bool selectTexture() = 0;
+
+        /** Tells whether the surface is valid or not
+        */
+        virtual bool isValid() = 0;
+
+        /** Update surface content from given IColorBuffer
+
+            This method updates the given subarea of the surface from
+            the given color buffer bits.
+
+            @param rDestPos
+            Position in the surface, where the subset update should
+            have its left, top edge
+
+            @param rSourceRect
+            Size and position of the rectangular subset update in the
+            source color buffer
+
+            @param rSource
+            Source bits to use for the update
+
+            @return true, if the update was successful
+         */
+        virtual bool update( const ::basegfx::B2IPoint& rDestPos,
+                             const ::basegfx::B2IRange& rSourceRect,
+                             IColorBuffer&              rSource ) = 0;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */