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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                 :            : #include <canvas/debug.hxx>
      21                 :            : #include <tools/diagnose_ex.h>
      22                 :            : 
      23                 :            : #include "cairo_cachedbitmap.hxx"
      24                 :            : #include "cairo_repainttarget.hxx"
      25                 :            : 
      26                 :            : #include <com/sun/star/rendering/RepaintResult.hpp>
      27                 :            : #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
      28                 :            : 
      29                 :            : #include <basegfx/matrix/b2dhommatrix.hxx>
      30                 :            : #include <basegfx/tools/canvastools.hxx>
      31                 :            : 
      32                 :            : 
      33                 :            : using namespace ::cairo;
      34                 :            : using namespace ::com::sun::star;
      35                 :            : 
      36                 :            : namespace cairocanvas
      37                 :            : {
      38                 :          0 :     CachedBitmap::CachedBitmap( const SurfaceSharedPtr&                     pSurface,
      39                 :            :                                 const rendering::ViewState&                 rUsedViewState,
      40                 :            :                                 const rendering::RenderState&               rUsedRenderState,
      41                 :            :                                 const uno::Reference< rendering::XCanvas >& rTarget ) :
      42                 :            :         CachedPrimitiveBase( rUsedViewState, rTarget, true ),
      43                 :            :         mpSurface( pSurface ),
      44                 :          0 :         maRenderState( rUsedRenderState )
      45                 :          0 :     {}
      46                 :            : 
      47                 :          0 :     void SAL_CALL CachedBitmap::disposing()
      48                 :            :     {
      49                 :          0 :         ::osl::MutexGuard aGuard( m_aMutex );
      50                 :            : 
      51                 :          0 :         mpSurface.reset();
      52                 :          0 :         CachedPrimitiveBase::disposing();
      53                 :          0 :     }
      54                 :            : 
      55                 :          0 :     ::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState&                  rNewState,
      56                 :            :                                        const rendering::ViewState&                  /*rOldState*/,
      57                 :            :                                        const uno::Reference< rendering::XCanvas >&  rTargetCanvas,
      58                 :            :                                        bool                                         bSameViewTransform )
      59                 :            :     {
      60                 :          0 :         ENSURE_OR_THROW( bSameViewTransform,
      61                 :            :                           "CachedBitmap::doRedraw(): base called with changed view transform "
      62                 :            :                           "(told otherwise during construction)" );
      63                 :            : 
      64                 :          0 :         RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
      65                 :            : 
      66                 :          0 :         ENSURE_OR_THROW( pTarget,
      67                 :            :                           "CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
      68                 :            : 
      69                 :          0 :         if( !pTarget->repaint( mpSurface,
      70                 :            :                                rNewState,
      71                 :          0 :                                maRenderState ) )
      72                 :            :         {
      73                 :            :             // target failed to repaint
      74                 :          0 :             return rendering::RepaintResult::FAILED;
      75                 :            :         }
      76                 :            : 
      77                 :          0 :         return rendering::RepaintResult::REDRAWN;
      78                 :            :     }
      79                 :            : }
      80                 :            : 
      81                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */