vcl/inc/headless/svpvd.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  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 <basegfx/vector/b2ivector.hxx>
  25
  26 #include <vector>
  27
  28 class SvpSalGraphics;
  29 typedef struct _cairo_surface cairo_surface_t;
  30
  31 class VCL_DLLPUBLIC SvpSalVirtualDevice : public SalVirtualDevice
  32 {
  33     cairo_surface_t*                    m_pRefSurface;
  34     cairo_surface_t*                    m_pSurface;
  35     bool                                m_bOwnsSurface; // nearly always true, except for edge case of tdf#127529
  36     basegfx::B2IVector                  m_aFrameSize;
  37     std::vector< SvpSalGraphics* >      m_aGraphics;
  38
  39     bool CreateSurface(tools::Long nNewDX, tools::Long nNewDY, sal_uInt8 *const pBuffer);
  40
  41 protected:
  42     SvpSalGraphics* AddGraphics(SvpSalGraphics* aGraphics);
  43
  44 public:
  45     SvpSalVirtualDevice(cairo_surface_t* pRefSurface, cairo_surface_t* pPreExistingTarget);
  46     virtual ~SvpSalVirtualDevice() override;
  47
  48     // SalVirtualDevice
  49     virtual SalGraphics*    AcquireGraphics() override;
  50     virtual void            ReleaseGraphics( SalGraphics* pGraphics ) override;
  51
  52     virtual bool        SetSize( tools::Long nNewDX, tools::Long nNewDY ) override;
  53     virtual bool        SetSizeUsingBuffer( tools::Long nNewDX, tools::Long nNewDY,
  54                                             sal_uInt8 * pBuffer
  55                                           ) override;
  56
  57     cairo_surface_t* GetSurface() const { return m_pSurface; }
  58
  59     // SalGeometryProvider
  60     virtual tools::Long GetWidth() const override;
  61     virtual tools::Long GetHeight() const override;
  62 };
  63
  64 #endif // INCLUDED_VCL_INC_HEADLESS_SVPVD_HXX
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */