vcl/inc/win/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 #ifndef INCLUDED_VCL_INC_WIN_SALVD_H
  21 #define INCLUDED_VCL_INC_WIN_SALVD_H
  22
  23 #include <sal/config.h>
  24 #include <win/scoped_gdi.hxx>
  25
  26 #include <memory>
  27
  28 #include <salvd.hxx>
  29
  30 class WinSalGraphics;
  31
  32
  33 class WinSalVirtualDevice : public SalVirtualDevice
  34 {
  35 private:
  36     HDC                     mhLocalDC;              // HDC or 0 for Cache Device
  37     ScopedHBITMAP           mhBmp;                  // Memory Bitmap
  38     HBITMAP                 mhDefBmp;               // Default Bitmap
  39     std::unique_ptr<WinSalGraphics> mpGraphics;     // current VirDev graphics
  40     WinSalVirtualDevice*    mpNext;                 // next VirDev
  41     sal_uInt16              mnBitCount;             // BitCount (0 or 1)
  42     bool                    mbGraphics;             // is Graphics used
  43     bool                    mbForeignDC;            // uses a foreign DC instead of a bitmap
  44     tools::Long                    mnWidth;
  45     tools::Long                    mnHeight;
  46
  47 public:
  48     HDC getHDC() const { return mhLocalDC; }
  49     WinSalGraphics* getGraphics() const { return mpGraphics.get(); }
  50     void setGraphics(WinSalGraphics* pVirGraphics) { mpGraphics.reset(pVirGraphics); }
  51     WinSalVirtualDevice* getNext() const { return mpNext; }
  52
  53     WinSalVirtualDevice(HDC hDC = nullptr, HBITMAP hBMP = nullptr, sal_uInt16 nBitCount = 0, bool bForeignDC = false, tools::Long nWidth = 0, tools::Long nHeight = 0);
  54     virtual ~WinSalVirtualDevice() override;
  55
  56     virtual SalGraphics*    AcquireGraphics() override;
  57     virtual void            ReleaseGraphics( SalGraphics* pGraphics ) override;
  58     virtual bool            SetSize( tools::Long nNewDX, tools::Long nNewDY ) override;
  59
  60     static HBITMAP ImplCreateVirDevBitmap(HDC hDC, tools::Long nDX, tools::Long nDY, sal_uInt16 nBitCount, void **ppDummy);
  61
  62     // SalGeometryProvider
  63     virtual tools::Long GetWidth() const override { return mnWidth; }
  64     virtual tools::Long GetHeight() const override { return mnHeight; }
  65 };
  66
  67
  68 #endif // INCLUDED_VCL_INC_WIN_SALVD_H
  69
  70 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */