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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 INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PAGEPREVIEWPRIMITIVE2D_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PAGEPREVIEWPRIMITIVE2D_HXX
      22             : 
      23             : #include <drawinglayer/drawinglayerdllapi.h>
      24             : 
      25             : #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
      26             : #include <com/sun/star/drawing/XDrawPage.hpp>
      27             : #include <basegfx/matrix/b2dhommatrix.hxx>
      28             : 
      29             : //////////////////////////////////////////////////////////////////////////////
      30             : 
      31             : namespace drawinglayer
      32             : {
      33             :     namespace primitive2d
      34             :     {
      35             :         /** PagePreviewPrimitive2D class
      36             : 
      37             :             This primitive is needed to have the correct XDrawPage as ViewInformation for decomposing
      38             :             the page contents (given as PageContent here) if these contain e.g.
      39             :             view-dependent (in this case XDrawPage-dependent) text fields like PageNumber. If You want
      40             :             those primitives to be visualized correctly, Your renderer needs to locally correct it's
      41             :             ViewInformation2D to reference the new XDrawPage.
      42             :          */
      43           0 :         class DRAWINGLAYER_DLLPUBLIC PagePreviewPrimitive2D : public BufferedDecompositionPrimitive2D
      44             :         {
      45             :         private:
      46             :             /** the XDrawPage visualized by this primitive. When we go forward with primitives
      47             :                 this will not only be used by the renderers to provide the correct decompose
      48             :                 graphic attribute context, but also to completely create the page's sub-content.
      49             :              */
      50             :             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage > mxDrawPage;
      51             : 
      52             :             /// the PageContent
      53             :             Primitive2DSequence                         maPageContent;
      54             : 
      55             :             /// the own geometry
      56             :             basegfx::B2DHomMatrix                       maTransform;
      57             : 
      58             :             /// content width and height
      59             :             double                                      mfContentWidth;
      60             :             double                                      mfContentHeight;
      61             : 
      62             :             /// bitfield
      63             :             /// flag to allow keeping the aspect ratio
      64             :             unsigned                                    mbKeepAspectRatio : 1;
      65             : 
      66             :         protected:
      67             :             /// local decomposition. Implementation will just return children
      68             :             virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
      69             : 
      70             :         public:
      71             :             /// constructor
      72             :             PagePreviewPrimitive2D(
      73             :                 const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& rxDrawPage,
      74             :                 const basegfx::B2DHomMatrix& rTransform,
      75             :                 double fContentWidth,
      76             :                 double fContentHeight,
      77             :                 const Primitive2DSequence& rPageContent,
      78             :                 bool bKeepAspectRatio);
      79             : 
      80             :             /// data read access
      81           0 :             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& getXDrawPage() const { return mxDrawPage; }
      82           0 :             const Primitive2DSequence& getPageContent() const { return maPageContent; }
      83           0 :             const basegfx::B2DHomMatrix& getTransform() const { return maTransform; }
      84           0 :             double getContentWidth() const { return mfContentWidth; }
      85           0 :             double getContentHeight() const { return mfContentHeight; }
      86           0 :             bool getKeepAspectRatio() const { return mbKeepAspectRatio; }
      87             : 
      88             :             /// compare operator
      89             :             virtual bool operator==(const BasePrimitive2D& rPrimitive) const;
      90             : 
      91             :             /// own getB2DRange
      92             :             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const;
      93             : 
      94             :             /// provide unique ID
      95             :             DeclPrimitrive2DIDBlock()
      96             :         };
      97             :     } // end of namespace primitive2d
      98             : } // end of namespace drawinglayer
      99             : 
     100             : //////////////////////////////////////////////////////////////////////////////
     101             : 
     102             : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PAGEPREVIEWPRIMITIVE2D_HXX
     103             : 
     104             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */