Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 96 insertions, 0 deletions

diff --git a/slideshow/source/engine/shapes/viewbackgroundshape.hxx b/slideshow/source/engine/shapes/viewbackgroundshape.hxx
new file mode 100644
index 000000000..0f5b29646
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewbackgroundshape.hxx
@@ -0,0 +1,96 @@
+/* -*- 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_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/rendering/XBitmap.hpp>
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+#include <memory>
+
+#include <tools.hxx>
+#include <viewlayer.hxx>
+
+
+namespace slideshow::internal
+    {
+        /** This class is the viewable representation of a draw
+            document's background, associated to a specific View
+
+            The class is able to render the associated background on
+            View implementations.
+         */
+        class ViewBackgroundShape
+        {
+        public:
+            /** Create a ViewBackgroundShape for the given View
+
+                @param rView
+                The associated View object.
+
+                @param rShapeBounds
+                Bounds of the background shape, in document coordinate
+                system.
+             */
+            ViewBackgroundShape( const ViewLayerSharedPtr&      rViewLayer,
+                                 const ::basegfx::B2DRectangle& rShapeBounds );
+            /// Forbid copy construction
+            ViewBackgroundShape(const ViewBackgroundShape&) = delete;
+            /// Forbid copy assignment
+            ViewBackgroundShape& operator=(const ViewBackgroundShape&) = delete;
+
+            /** Query the associated view layer of this shape
+             */
+            const ViewLayerSharedPtr& getViewLayer() const;
+
+            bool render( const GDIMetaFileSharedPtr& rMtf ) const;
+
+        private:
+            /** Prefetch bitmap for given canvas
+             */
+            bool prefetch( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
+                           const GDIMetaFileSharedPtr&          rMtf ) const;
+
+            /** The view layer this object is part of.
+             */
+            ViewLayerSharedPtr                                  mpViewLayer;
+
+            /// Generated content bitmap, already with correct output size
+            mutable css::uno::Reference< css::rendering::XBitmap >  mxBitmap;
+
+            /// The last metafile a render object was generated for
+            mutable GDIMetaFileSharedPtr                        mpLastMtf;
+
+            /// The canvas, mpRenderer is associated with
+            mutable ::basegfx::B2DHomMatrix                     maLastTransformation;
+
+            const ::basegfx::B2DRectangle                       maBounds;
+        };
+
+        typedef ::std::shared_ptr< ViewBackgroundShape > ViewBackgroundShapeSharedPtr;
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */