Line data    Source code

       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 _CAIROCANVAS_CAIRO_HXX
      21             : #define _CAIROCANVAS_CAIRO_HXX
      22             : 
      23             : #include <sal/config.h>
      24             : #include <boost/shared_ptr.hpp>
      25             : 
      26             : struct SystemEnvData;
      27             : struct BitmapSystemData;
      28             : struct SystemGraphicsData;
      29             : class  VirtualDevice;
      30             : class  OutputDevice;
      31             : class  Window;
      32             : class  Size;
      33             : 
      34             : #include <cairo.h>  //cannot be inside a namespace, otherwise Quartz fails to compile.
      35             : 
      36             : namespace cairo {
      37             :     typedef cairo_t Cairo;
      38             :     typedef cairo_matrix_t Matrix;
      39             :     typedef cairo_format_t Format;
      40             :     typedef cairo_content_t Content;
      41             :     typedef cairo_pattern_t Pattern;
      42             : 
      43             :     typedef boost::shared_ptr<cairo_surface_t> CairoSurfaceSharedPtr;
      44             :     typedef boost::shared_ptr<Cairo>           CairoSharedPtr;
      45             : 
      46             :     const SystemEnvData* GetSysData(const Window *pOutputWindow);
      47             : 
      48             :     /** Cairo surface interface
      49             : 
      50             :         For each cairo-supported platform, there's an implementation of
      51             :         this interface
      52             :      */
      53           0 :     struct Surface
      54             :     {
      55             :     public:
      56           0 :         virtual ~Surface() {}
      57             : 
      58             :         // Query methods
      59             :         virtual CairoSharedPtr getCairo() const = 0;
      60             :         virtual CairoSurfaceSharedPtr getCairoSurface() const = 0;
      61             :         virtual boost::shared_ptr<Surface> getSimilar( Content aContent, int width, int height ) const = 0;
      62             : 
      63             :         /// factory for VirDev on this surface
      64             :         virtual boost::shared_ptr<VirtualDevice> createVirtualDevice() const = 0;
      65             : 
      66             :         /// Resize the surface (possibly destroying content)
      67             :         virtual void Resize( int width, int height ) = 0;
      68             : 
      69             :         /// Flush all pending output to surface
      70             :         virtual void flush() const = 0;
      71             :     };
      72             : 
      73             :     typedef boost::shared_ptr<Surface> SurfaceSharedPtr;
      74             : 
      75             :     /// Create Surface from given cairo surface
      76             :     SurfaceSharedPtr createSurface( const CairoSurfaceSharedPtr& rSurface );
      77             :     /// Create surface with given dimensions
      78             :     SurfaceSharedPtr createSurface( const OutputDevice& rRefDevice,
      79             :                                     int x, int y, int width, int height );
      80             :     /// Create Surface for given bitmap data
      81             :     SurfaceSharedPtr createBitmapSurface( const OutputDevice&     rRefDevice,
      82             :                                           const BitmapSystemData& rData,
      83             :                                           const Size&             rSize );
      84             : 
      85             :     /// Check whether cairo will work on given window
      86             :     bool IsCairoWorking( OutputDevice* );
      87             : }
      88             : 
      89             : #endif
      90             : 
      91             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */