shell/inc/thumbviewer.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.
   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_SHELL_INC_INTERNAL_THUMBVIEWER_HXX
  21 #define INCLUDED_SHELL_INC_INTERNAL_THUMBVIEWER_HXX
  22
  23 #include <objidl.h>
  24 #include <shlobj.h>
  25 #ifndef DONT_HAVE_GDIPLUS
  26 #include <gdiplus.h>
  27 #endif
  28 #include <string>
  29
  30 class CThumbviewer : public IPersistFile, public IExtractImage
  31 {
  32 public:
  33     CThumbviewer(LONG RefCnt = 1);
  34     virtual ~CThumbviewer();
  35
  36
  37     // IUnknown methods
  38
  39
  40     virtual HRESULT STDMETHODCALLTYPE QueryInterface(
  41             REFIID riid,
  42             void __RPC_FAR *__RPC_FAR *ppvObject) override;
  43
  44     virtual ULONG STDMETHODCALLTYPE AddRef() override;
  45
  46     virtual ULONG STDMETHODCALLTYPE Release() override;
  47
  48
  49     // IExtractImage methods
  50
  51
  52     virtual HRESULT STDMETHODCALLTYPE Extract(HBITMAP *phBmpImage) override;
  53
  54     virtual HRESULT STDMETHODCALLTYPE GetLocation(
  55         LPWSTR pszPathBuffer,
  56         DWORD cchMax,
  57         DWORD *pdwPriority,
  58         const SIZE *prgSize,
  59         DWORD dwRecClrDepth,
  60         DWORD *pdwFlags) override;
  61
  62
  63     // IPersist methods
  64
  65
  66     virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID* pClassID) override;
  67
  68
  69     // IPersistFile methods
  70
  71
  72     virtual HRESULT STDMETHODCALLTYPE IsDirty() override;
  73
  74     virtual HRESULT STDMETHODCALLTYPE Load(
  75             /* [in] */ LPCOLESTR pszFileName,
  76             /* [in] */ DWORD dwMode) override;
  77
  78     virtual HRESULT STDMETHODCALLTYPE Save(
  79             /* [unique][in] */ LPCOLESTR pszFileName,
  80             /* [in] */ BOOL fRemember) override;
  81
  82     virtual HRESULT STDMETHODCALLTYPE SaveCompleted(
  83             /* [unique][in] */ LPCOLESTR pszFileName) override;
  84
  85     virtual HRESULT STDMETHODCALLTYPE GetCurFile(
  86             /* [out] */ LPOLESTR __RPC_FAR *ppszFileName) override;
  87
  88 private:
  89     LONG         ref_count_;
  90     std::wstring filename_;
  91     SIZE         thumbnail_size_;
  92     DWORD        color_depth_;
  93     ULONG_PTR    gdiplus_token_;
  94     Gdiplus::Bitmap* signet_;
  95 };
  96
  97 #endif
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */