/** * @file XTPGifPreview.h * * @copyright * (c) 1998-2025 Codejock Software, All Rights Reserved. * * This source file is the property of Codejock Software and must not be * redistributed by any means without the explicit written permission of * Codejock Software. * * The use of this source code is governed by the terms and conditions specified * in the Toolkit Pro license agreement. Codejock Software grants you, as a * single software developer, the limited right to use this software on one * computer only. * * Contact Information: * support@codejock.com * http://www.codejock.com * */ /** @cond */ #if !defined(__XTPGIFPREVIEW_H__) # define __XTPGIFPREVIEW_H__ # if _MSC_VER >= 1000 # pragma once # endif // _MSC_VER >= 1000 # include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h" namespace Gdiplus { class Image; class PropertyItem; } // namespace Gdiplus class _XTP_EXT_CLASS CXTPGifPreview : public IXTPPreview { public: explicit CXTPGifPreview(HWND parent); ~CXTPGifPreview(); private: virtual BOOL IsReady() const; virtual BOOL IsAvailable() const; virtual BOOL HasOwnNavigator() const; virtual UINT GetNumberOfPages() const; virtual SIZE GetPreferredPageSize() const; virtual void GoToPage(UINT page); virtual void Draw(HDC dc, SIZE clientSize, RECT updateRect); virtual BOOL OnHostWndMsg(LPMSG msg, LRESULT* result); virtual BOOL SupportsCompositedParent() const; virtual void Activate(); BOOL InitImage(LPCTSTR pFilePath); BOOL InitImage(IStream* pStream, LPCTSTR pImpliedFileName); private: friend class CXTPGifPreviewProvider; Gdiplus::Image* m_pPicture; BOOL m_bLoadFinished; BOOL m_bLoadSuccess; ULONG_PTR m_gdiPlusToken; CWnd* m_pHostWindow; UINT_PTR m_nTimerId; BOOL m_bIsPlaying; UINT m_FrameCount; UINT m_iCurrentFrame; GUID* m_pDimensionIDs; Gdiplus::PropertyItem* m_pDelayProperty; }; # include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h" #endif // #if !defined(__XTPGIFPREVIEW_H__) /** @endcond */