vcl/inc/unx/salvd.h

   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 #pragma once
  21
  22 #include <X11/Xlib.h>
  23
  24 #include <vcl/salgtype.hxx>
  25
  26 #include <unx/saldisp.hxx>
  27 #include <unx/saltype.h>
  28 #include <salvd.hxx>
  29
  30 #include <memory>
  31
  32 class SalDisplay;
  33 class X11SalGraphics;
  34 typedef struct _cairo_surface cairo_surface_t;
  35
  36 class X11SalVirtualDevice final : public SalVirtualDevice
  37 {
  38     SalDisplay      *pDisplay_;
  39     std::unique_ptr<X11SalGraphics> pGraphics_;
  40
  41     Pixmap          hDrawable_;
  42     SalX11Screen    m_nXScreen;
  43
  44     int             nDX_;
  45     int             nDY_;
  46     sal_uInt16      nDepth_;
  47     bool        bGraphics_;         // is Graphics used
  48     bool        bExternPixmap_;
  49     cairo_surface_t* m_pSurface;
  50     bool m_bOwnsSurface; // nearly always true, except for edge case of tdf#127529
  51
  52 public:
  53     X11SalVirtualDevice(const SalGraphics& rGraphics, tools::Long &nDX, tools::Long &nDY,
  54             DeviceFormat eFormat, const SystemGraphicsData *pData, std::unique_ptr<X11SalGraphics> pNewGraphics);
  55
  56     virtual ~X11SalVirtualDevice() override;
  57
  58     Display *GetXDisplay() const
  59     {
  60         return pDisplay_->GetDisplay();
  61     }
  62     SalDisplay *GetDisplay() const
  63     {
  64         return pDisplay_;
  65     }
  66     Pixmap          GetDrawable() const { return hDrawable_; }
  67     cairo_surface_t* GetSurface() const { return m_pSurface; }
  68     sal_uInt16      GetDepth() const { return nDepth_; }
  69     const SalX11Screen&     GetXScreenNumber() const { return m_nXScreen; }
  70
  71     virtual SalGraphics*    AcquireGraphics() override;
  72     virtual void            ReleaseGraphics( SalGraphics* pGraphics ) override;
  73
  74     /// Set new size, without saving the old contents
  75     virtual bool        SetSize( tools::Long nNewDX, tools::Long nNewDY ) override;
  76
  77     // SalGeometryProvider
  78     virtual tools::Long GetWidth() const override { return nDX_; }
  79     virtual tools::Long GetHeight() const override { return nDY_; }
  80 };
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */