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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_SLIDESHOW_GDIMTFTOOLS_HXX
      21             : #define INCLUDED_SLIDESHOW_GDIMTFTOOLS_HXX
      22             : 
      23             : #include <com/sun/star/uno/Reference.hxx>
      24             : #include <com/sun/star/uno/XComponentContext.hpp>
      25             : #include <com/sun/star/lang/XComponent.hpp>
      26             : #include <com/sun/star/drawing/XDrawPage.hpp>
      27             : 
      28             : #include <basegfx/range/b2drectangle.hxx>
      29             : #include <boost/shared_ptr.hpp>
      30             : 
      31             : #include "tools.hxx"
      32             : 
      33             : #include <vector>
      34             : 
      35             : class MetaAction;
      36             : class GDIMetaFile;
      37             : class Graphic;
      38             : 
      39             : 
      40             : 
      41             : namespace slideshow
      42             : {
      43             :     namespace internal
      44             :     {
      45             :         /// meta file loading specialities:
      46             :         enum mtf_load_flags {
      47             :             /// no flags
      48             :             MTF_LOAD_NONE = 0,
      49             :             /// the source of the metafile might be a foreign
      50             :             /// application. The metafile is checked against unsupported
      51             :             /// content, and, if necessary, returned as a pre-rendererd
      52             :             /// bitmap.
      53             :             MTF_LOAD_FOREIGN_SOURCE = 2,
      54             :             /// retrieve a meta file for the page background only
      55             :             MTF_LOAD_BACKGROUND_ONLY = 4,
      56             :             /// retrieve the drawing layer scroll text metafile
      57             :             MTF_LOAD_SCROLL_TEXT_MTF = 8
      58             :         };
      59             : 
      60             :         // Animation info
      61             :         // ==============
      62             : 
      63           0 :         struct MtfAnimationFrame
      64             :         {
      65           0 :             MtfAnimationFrame( const GDIMetaFileSharedPtr& rMtf,
      66             :                                double                      nDuration ) :
      67             :                 mpMtf( rMtf ),
      68           0 :                 mnDuration( nDuration )
      69             :             {
      70           0 :             }
      71             : 
      72             :             /// Enables STL algos to be used for duration extraction
      73           0 :             double getDuration() const
      74             :             {
      75           0 :                 return mnDuration;
      76             :             }
      77             : 
      78             :             GDIMetaFileSharedPtr    mpMtf;
      79             :             double                  mnDuration;
      80             :         };
      81             : 
      82             :         typedef ::std::vector< MtfAnimationFrame > VectorOfMtfAnimationFrames;
      83             : 
      84             : 
      85             :         /** Retrieve a meta file for the given shape
      86             : 
      87             :             @param xShape
      88             :             XShape to retrieve a metafile for.
      89             : 
      90             :             @param xContainingPage
      91             :             The page that contains this shape. Needed for proper
      92             :             import (currently, the UnoGraphicExporter needs this
      93             :             information).
      94             : 
      95             :             @param o_rMtf
      96             :             Metafile to extract shape content into
      97             :         */
      98             :         bool getMetaFile( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >&     xSource,
      99             :                           const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >&   xContainingPage,
     100             :                           GDIMetaFile&                                                                      o_rMtf,
     101             :                           int                                                                               mtfLoadFlags,
     102             :                           const ::com::sun::star::uno::Reference<
     103             :                               ::com::sun::star::uno::XComponentContext >&                                   rxContext );
     104             : 
     105             :         /** Gets the next action offset for iterating meta actions which is most
     106             :             often returns 1.
     107             :         */
     108             :         sal_Int32 getNextActionOffset( MetaAction * pCurrAct );
     109             : 
     110             :         /** Extract a vector of animation frames from given Graphic.
     111             : 
     112             :             @param o_rFrames
     113             :             Resulting vector of animated metafiles
     114             : 
     115             :             @param o_rLoopCount
     116             :             Number of times the bitmap animation shall be repeated
     117             : 
     118             :             @param o_eCycleMode
     119             :             Repeat mode (normal, or ping-pong mode)
     120             : 
     121             :             @param rGraphic
     122             :             Input graphic object, to extract animations from
     123             :          */
     124             :         bool getAnimationFromGraphic( VectorOfMtfAnimationFrames& o_rFrames,
     125             :                                       ::std::size_t&              o_rLoopCount,
     126             :                                       CycleMode&                  o_eCycleMode,
     127             :                                       const Graphic&              rGraphic );
     128             : 
     129             :         /** Retrieve scroll text animation rectangles from given metafile
     130             : 
     131             :             @return true, if both rectangles have been found, false
     132             :             otherwise.
     133             :          */
     134             :         bool getRectanglesFromScrollMtf( ::basegfx::B2DRectangle&       o_rScrollRect,
     135             :                                          ::basegfx::B2DRectangle&       o_rPaintRect,
     136             :                                          const GDIMetaFileSharedPtr&    rMtf );
     137             :     }
     138             : }
     139             : 
     140             : #endif /* INCLUDED_SLIDESHOW_GDIMTFTOOLS_HXX */
     141             : 
     142             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */