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_XLIB_CAIRO_HXX
      21             : #define _CAIROCANVAS_XLIB_CAIRO_HXX
      22             : 
      23             : #include "cairo_cairo.hxx"
      24             : 
      25             : struct SystemEnvData;
      26             : struct SystemGraphicsData;
      27             : 
      28             : namespace cairo {
      29             : 
      30             :     /// Holds all X11-output relevant data
      31             :     struct X11SysData
      32             :     {
      33             :         X11SysData();
      34             :         explicit X11SysData( const SystemGraphicsData& );
      35             :         explicit X11SysData( const SystemEnvData& );
      36             : 
      37             :         void*   pDisplay;       // the relevant display connection
      38             :         long    hDrawable;      // a drawable
      39             :         void*   pVisual;        // the visual in use
      40             :         int nScreen;        // the current screen of the drawable
      41             :         int     nDepth;         // depth of said visual
      42             :         long    aColormap;      // the colormap being used
      43             :         void*   pRenderFormat;  // render format for drawable
      44             :     };
      45             : 
      46             :     /// RAII wrapper for a pixmap
      47             :     struct X11Pixmap
      48             :     {
      49             :         void* mpDisplay;  // the relevant display connection
      50             :         long  mhDrawable; // a drawable
      51             : 
      52           0 :         X11Pixmap( long hDrawable, void* pDisplay ) :
      53             :             mpDisplay(pDisplay),
      54           0 :             mhDrawable(hDrawable)
      55           0 :         {}
      56             : 
      57             :         ~X11Pixmap();
      58             : 
      59           0 :         void clear() { mpDisplay=NULL; mhDrawable=0; }
      60             :     };
      61             : 
      62             :     typedef boost::shared_ptr<X11Pixmap>       X11PixmapSharedPtr;
      63             : 
      64           0 :     class X11Surface : public Surface
      65             :     {
      66             :         const X11SysData      maSysData;
      67             :         X11PixmapSharedPtr    mpPixmap;
      68             :         CairoSurfaceSharedPtr mpSurface;
      69             : 
      70             :         X11Surface( const X11SysData& rSysData, const X11PixmapSharedPtr& rPixmap, const CairoSurfaceSharedPtr& pSurface );
      71             : 
      72             :     public:
      73             :         /// takes over ownership of passed cairo_surface
      74             :         explicit X11Surface( const CairoSurfaceSharedPtr& pSurface );
      75             :         /// create surface on subarea of given drawable
      76             :         X11Surface( const X11SysData& rSysData, int x, int y, int width, int height );
      77             :         /// create surface for given bitmap data
      78             :         X11Surface( const X11SysData& rSysData, const BitmapSystemData& rBmpData );
      79             : 
      80             :         // Surface interface
      81             :         virtual CairoSharedPtr getCairo() const;
      82           0 :         virtual CairoSurfaceSharedPtr getCairoSurface() const { return mpSurface; }
      83             :         virtual SurfaceSharedPtr getSimilar( Content aContent, int width, int height ) const;
      84             : 
      85             :         virtual boost::shared_ptr<VirtualDevice> createVirtualDevice() const;
      86             : 
      87             :         virtual void Resize( int width, int height );
      88             : 
      89             :         virtual void flush() const;
      90             : 
      91             :         int getDepth() const;
      92           0 :         X11PixmapSharedPtr getPixmap() const { return mpPixmap; }
      93           0 :         void* getRenderFormat() const { return maSysData.pRenderFormat; }
      94           0 :         long getDrawable() const { return mpPixmap ? mpPixmap->mhDrawable : maSysData.hDrawable; }
      95             :     };
      96             : }
      97             : 
      98             : #endif
      99             : 
     100             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */