1 files changed, 70 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_surfaceprovider.hxx b/canvas/source/cairo/cairo_surfaceprovider.hxx
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+++ b/canvas/source/cairo/cairo_surfaceprovider.hxx
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+/* -*- 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
+
+#include <rtl/ref.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+
+#include <basegfx/vector/b2isize.hxx>
+#include <vcl/cairo.hxx>
+
+class OutputDevice;
+class Bitmap;
+
+namespace cairocanvas
+{
+    /* Definition of RepaintTarget interface */
+
+    /** Target interface for XCachedPrimitive implementations
+
+        This interface must be implemented on all canvas
+        implementations that hand out XCachedPrimitives
+     */
+    class SurfaceProvider : public css::uno::XInterface
+    {
+    public:
+        virtual ~SurfaceProvider() {}
+
+        /** Query surface from this provider
+
+            This should return the default surface to render on.
+         */
+        virtual ::cairo::SurfaceSharedPtr getSurface() = 0;
+
+        /// create new surface in given size
+        virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize,
+                                                         int aContent ) = 0;
+        /// create new surface from given bitmap
+        virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) = 0;
+
+        /** convert surface from alpha to non-alpha, does not copy content
+            channel. returns new surface on success, NULL otherwise
+        */
+        virtual ::cairo::SurfaceSharedPtr changeSurface() = 0;
+
+        /** Provides the underlying vcl outputdevice this surface renders on
+         */
+        virtual OutputDevice* getOutputDevice() = 0;
+    };
+
+    typedef ::rtl::Reference< SurfaceProvider > SurfaceProviderRef;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */