vcl/inc/headless/svpvd.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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_INC_HEADLESS_SVPVD_HXX
  21 #define INCLUDED_VCL_INC_HEADLESS_SVPVD_HXX
  22
  23 #include <salvd.hxx>
  24 #include <vcl/salgtype.hxx>
  25 #include <basegfx/vector/b2ivector.hxx>
  26
  27 #include <vector>
  28
  29 class SvpSalGraphics;
  30 typedef struct _cairo_surface cairo_surface_t;
  31
  32 class VCL_DLLPUBLIC SvpSalVirtualDevice : public SalVirtualDevice
  33 {
  34     cairo_surface_t*                    m_pRefSurface;
  35     cairo_surface_t*                    m_pSurface;
  36     bool                                m_bOwnsSurface; // nearly always true, except for edge case of tdf#127529
  37     basegfx::B2IVector                  m_aFrameSize;
  38     std::vector< SvpSalGraphics* >      m_aGraphics;
  39
  40     void CreateSurface(tools::Long nNewDX, tools::Long nNewDY, sal_uInt8 *const pBuffer);
  41
  42 protected:
  43     SvpSalGraphics* AddGraphics(SvpSalGraphics* aGraphics);
  44
  45 public:
  46     SvpSalVirtualDevice(cairo_surface_t* pRefSurface, cairo_surface_t* pPreExistingTarget);
  47     virtual ~SvpSalVirtualDevice() override;
  48
  49     // SalVirtualDevice
  50     virtual SalGraphics*    AcquireGraphics() override;
  51     virtual void            ReleaseGraphics( SalGraphics* pGraphics ) override;
  52
  53     virtual bool        SetSize( tools::Long nNewDX, tools::Long nNewDY ) override;
  54     virtual bool        SetSizeUsingBuffer( tools::Long nNewDX, tools::Long nNewDY,
  55                                             sal_uInt8 * pBuffer
  56                                           ) override;
  57
  58     cairo_surface_t* GetSurface() const { return m_pSurface; }
  59
  60     // SalGeometryProvider
  61     virtual tools::Long GetWidth() const override;
  62     virtual tools::Long GetHeight() const override;
  63 };
  64
  65 #endif // INCLUDED_VCL_INC_HEADLESS_SVPVD_HXX
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */