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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_VCL_CAIRO_HXX
      21             : #define INCLUDED_VCL_CAIRO_HXX
      22             : 
      23             : #include <sal/config.h>
      24             : #include <boost/shared_ptr.hpp>
      25             : #include <vcl/vclptr.hxx>
      26             : 
      27             : typedef struct _cairo_surface cairo_surface_t;
      28             : typedef struct _cairo cairo_t;
      29             : 
      30             : class VirtualDevice;
      31             : 
      32             : namespace cairo {
      33             : 
      34             :     typedef boost::shared_ptr<cairo_surface_t> CairoSurfaceSharedPtr;
      35             :     typedef boost::shared_ptr<cairo_t>         CairoSharedPtr;
      36             : 
      37             :     /** Cairo surface interface
      38             : 
      39             :         For each cairo-supported platform, there's an implementation of
      40             :         this interface
      41             :      */
      42           6 :     struct Surface
      43             :     {
      44             :     public:
      45           6 :         virtual ~Surface() {}
      46             : 
      47             :         // Query methods
      48             :         virtual CairoSharedPtr getCairo() const = 0;
      49             :         virtual CairoSurfaceSharedPtr getCairoSurface() const = 0;
      50             :         virtual boost::shared_ptr<Surface> getSimilar(int cairo_content_type, int width, int height) const = 0;
      51             : 
      52             :         /// factory for VirDev on this surface
      53             :         virtual VclPtr<VirtualDevice> createVirtualDevice() const = 0;
      54             : 
      55             :         /// Resize the surface (possibly destroying content), only possible for X11 typically
      56             :         /// so on failure caller must create a new surface instead
      57           0 :         virtual bool Resize( int /*width*/, int /*height*/ ) { return false; }
      58             : 
      59             :         /// Flush all pending output to surface
      60             :         virtual void flush() const = 0;
      61             :     };
      62             : 
      63             :     typedef boost::shared_ptr<Surface> SurfaceSharedPtr;
      64             : }
      65             : 
      66             : #endif
      67             : 
      68             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */