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       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 _CPPCANVAS_IMPLSPRITECANVAS_HXX
      21             : #define _CPPCANVAS_IMPLSPRITECANVAS_HXX
      22             : 
      23             : #include <com/sun/star/rendering/XSpriteCanvas.hpp>
      24             : #include <basegfx/vector/b2dsize.hxx>
      25             : #include <basegfx/matrix/b2dhommatrix.hxx>
      26             : 
      27             : #include <boost/shared_ptr.hpp>
      28             : 
      29             : 
      30             : #include <cppcanvas/spritecanvas.hxx>
      31             : 
      32             : #include <implcanvas.hxx>
      33             : 
      34             : 
      35             : namespace cppcanvas
      36             : {
      37             :     namespace internal
      38             :     {
      39             :         class ImplSpriteCanvas : public virtual SpriteCanvas, protected virtual ImplCanvas
      40             :         {
      41             :         public:
      42             :             ImplSpriteCanvas( const ::com::sun::star::uno::Reference<
      43             :                                   ::com::sun::star::rendering::XSpriteCanvas >& rCanvas );
      44             :             ImplSpriteCanvas(const ImplSpriteCanvas&);
      45             : 
      46             :             virtual ~ImplSpriteCanvas();
      47             : 
      48             :             virtual void                    setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) SAL_OVERRIDE;
      49             : 
      50             :             virtual bool                    updateScreen( bool bUpdateAll ) const SAL_OVERRIDE;
      51             : 
      52             :             virtual CustomSpriteSharedPtr   createCustomSprite( const ::basegfx::B2DSize& ) const SAL_OVERRIDE;
      53             :             virtual SpriteSharedPtr         createClonedSprite( const SpriteSharedPtr& ) const SAL_OVERRIDE;
      54             : 
      55             :             virtual CanvasSharedPtr         clone() const SAL_OVERRIDE;
      56             : 
      57             :             virtual ::com::sun::star::uno::Reference<
      58             :                 ::com::sun::star::rendering::XSpriteCanvas >    getUNOSpriteCanvas() const SAL_OVERRIDE;
      59             : 
      60             :             /** This class passes the view transformation
      61             :                 to child sprites
      62             : 
      63             :                 This helper class is necessary, because the
      64             :                 ImplSpriteCanvas object cannot hand out shared ptrs of
      65             :                 itself, but has somehow pass an object to child
      66             :                 sprites those can query for the canvas' view transform.
      67             :              */
      68           0 :             class TransformationArbiter
      69             :             {
      70             :             public:
      71             :                 TransformationArbiter();
      72             : 
      73             :                 void                        setTransformation( const ::basegfx::B2DHomMatrix& rViewTransform );
      74             :                 ::basegfx::B2DHomMatrix     getTransformation() const;
      75             : 
      76             :             private:
      77             :                 ::basegfx::B2DHomMatrix     maTransformation;
      78             :             };
      79             : 
      80             :             typedef ::boost::shared_ptr< TransformationArbiter > TransformationArbiterSharedPtr;
      81             : 
      82             :         private:
      83             :             // default: disabled assignment
      84             :             ImplSpriteCanvas& operator=( const ImplSpriteCanvas& );
      85             : 
      86             :             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSpriteCanvas >    mxSpriteCanvas;
      87             :             TransformationArbiterSharedPtr                                                          mpTransformArbiter;
      88             :         };
      89             :     }
      90             : }
      91             : 
      92             : #endif /* _CPPCANVAS_IMPLSPRITECANVAS_HXX */
      93             : 
      94             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */