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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SHELL_INC_INTERNAL_THUMBVIEWER_HXX
#define INCLUDED_SHELL_INC_INTERNAL_THUMBVIEWER_HXX
#if defined _MSC_VER
#pragma warning(push, 1)
#pragma warning(disable:4917)
#endif
#include <objidl.h>
#include <shlobj.h>
#ifdef __MINGW32__
#include <algorithm>
using std::min;
using std::max;
#endif
#ifndef DONT_HAVE_GDIPLUS
#include <gdiplus.h>
#endif
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include <string>
class CThumbviewer : public IPersistFile, public IExtractImage
{
public:
CThumbviewer(long RefCnt = 1);
virtual ~CThumbviewer();
// IUnknown methods
virtual HRESULT STDMETHODCALLTYPE QueryInterface(
REFIID riid,
void __RPC_FAR *__RPC_FAR *ppvObject);
virtual ULONG STDMETHODCALLTYPE AddRef( void);
virtual ULONG STDMETHODCALLTYPE Release( void);
// IExtractImage methods
virtual HRESULT STDMETHODCALLTYPE Extract(HBITMAP *phBmpImage);
virtual HRESULT STDMETHODCALLTYPE GetLocation(
LPWSTR pszPathBuffer,
DWORD cchMax,
DWORD *pdwPriority,
const SIZE *prgSize,
DWORD dwRecClrDepth,
DWORD *pdwFlags);
// IPersist methods
virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID* pClassID);
// IPersistFile methods
virtual HRESULT STDMETHODCALLTYPE IsDirty();
virtual HRESULT STDMETHODCALLTYPE Load(
/* [in] */ LPCOLESTR pszFileName,
/* [in] */ DWORD dwMode);
virtual HRESULT STDMETHODCALLTYPE Save(
/* [unique][in] */ LPCOLESTR pszFileName,
/* [in] */ BOOL fRemember);
virtual HRESULT STDMETHODCALLTYPE SaveCompleted(
/* [unique][in] */ LPCOLESTR pszFileName);
virtual HRESULT STDMETHODCALLTYPE GetCurFile(
/* [out] */ LPOLESTR __RPC_FAR *ppszFileName);
private:
Gdiplus::Rect CalcScaledAspectRatio(Gdiplus::Rect src, Gdiplus::Rect dest);
private:
long ref_count_;
std::wstring filename_;
SIZE thumbnail_size_;
DWORD color_depth_;
ULONG_PTR gdiplus_token_;
Gdiplus::Bitmap* signet_;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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