Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX
      21             : #define INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX
      22             : 
      23             : #include <com/sun/star/uno/Reference.hxx>
      24             : #include <com/sun/star/rendering/XBitmap.hpp>
      25             : 
      26             : #include <basegfx/range/b2drectangle.hxx>
      27             : #include <basegfx/matrix/b2dhommatrix.hxx>
      28             : #include <cppcanvas/spritecanvas.hxx>
      29             : 
      30             : #include <boost/shared_ptr.hpp>
      31             : #include <boost/utility.hpp>
      32             : 
      33             : #include "gdimtftools.hxx"
      34             : #include "viewlayer.hxx"
      35             : 
      36             : 
      37             : namespace slideshow
      38             : {
      39             :     namespace internal
      40             :     {
      41             :         /** This class is the viewable representation of a draw
      42             :             document's background, associated to a specific View
      43             : 
      44             :             The class is able to render the associated background on
      45             :             View implementations.
      46             :          */
      47           0 :         class ViewBackgroundShape : private boost::noncopyable
      48             :         {
      49             :         public:
      50             :             /** Create a ViewBackgroundShape for the given View
      51             : 
      52             :                 @param rView
      53             :                 The associated View object.
      54             : 
      55             :                 @param rShapeBounds
      56             :                 Bounds of the background shape, in document coordinate
      57             :                 system.
      58             :              */
      59             :             ViewBackgroundShape( const ViewLayerSharedPtr&      rViewLayer,
      60             :                                  const ::basegfx::B2DRectangle& rShapeBounds );
      61             : 
      62             :             /** Query the associated view layer of this shape
      63             :              */
      64             :             ViewLayerSharedPtr getViewLayer() const;
      65             : 
      66             :             bool render( const GDIMetaFileSharedPtr& rMtf ) const;
      67             : 
      68             :         private:
      69             :             /** Prefetch bitmap for given canvas
      70             :              */
      71             :             bool prefetch( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
      72             :                            const GDIMetaFileSharedPtr&          rMtf ) const;
      73             : 
      74             :             /** The view layer this object is part of.
      75             :              */
      76             :             ViewLayerSharedPtr                                  mpViewLayer;
      77             : 
      78             :             /// Generated content bitmap, already with correct output size
      79             :             mutable ::com::sun::star::uno::Reference<
      80             :                 ::com::sun::star::rendering::XBitmap >  mxBitmap;
      81             : 
      82             :             /// The last metafile a render object was generated for
      83             :             mutable GDIMetaFileSharedPtr                        mpLastMtf;
      84             : 
      85             :             /// The canvas, mpRenderer is associated with
      86             :             mutable ::basegfx::B2DHomMatrix                     maLastTransformation;
      87             : 
      88             :             const ::basegfx::B2DRectangle                       maBounds;
      89             :         };
      90             : 
      91             :         typedef ::boost::shared_ptr< ViewBackgroundShape > ViewBackgroundShapeSharedPtr;
      92             : 
      93             :     }
      94             : }
      95             : 
      96             : #endif /* INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX */
      97             : 
      98             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */