windows-nt/Source/XPSP1/NT/public/sdk/inc/iimgctx.h

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2020-09-26 03:20:57 -05:00
//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright 1996-1998 Microsoft Corporation. All Rights Reserved.
//
// File: iimgctx.h
//
//--------------------------------------------------------------------------
#ifndef _IImgCtxObjects_H_
#define _IImgCtxObjects_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef void (CALLBACK *PFNIMGCTXCALLBACK)(void *, void *);
#ifdef __cplusplus
}
#endif
#define IMGCHG_SIZE 0x0001
#define IMGCHG_VIEW 0x0002
#define IMGCHG_COMPLETE 0x0004
#define IMGCHG_ANIMATE 0x0008
#define IMGCHG_MASK 0x000F
#define IMGLOAD_NOTLOADED 0x00100000 // Image has not yet been loaded
#define IMGLOAD_LOADING 0x00200000 // Image in the process of being loaded
#define IMGLOAD_STOPPED 0x00400000 // Imaged aborted
#define IMGLOAD_ERROR 0x00800000 // Error loading image
#define IMGLOAD_COMPLETE 0x01000000 // Image loaded
#define IMGLOAD_MASK 0x01F00000
#define IMGBITS_NONE 0x02000000
#define IMGBITS_PARTIAL 0x04000000
#define IMGBITS_TOTAL 0x08000000
#define IMGBITS_MASK 0x0E000000
#define IMGANIM_ANIMATED 0x10000000
#define IMGANIM_MASK 0x10000000
#define IMGTRANS_OPAQUE 0x20000000
#define IMGTRANS_MASK 0x20000000
#define DWN_COLORMODE 0x0000003F // Explicit color mode requested
#define DWN_DOWNLOADONLY 0x00000040 // Download data only, don't decode
#define DWN_FORCEDITHER 0x00000080 // Override automatic dithering
#define DWN_RAWIMAGE 0x00000100 // Disable dithering
#define DWN_MIRRORIMAGE 0x00000200 // Mirror the image
/* Definition of interface: IImgCtx */
#undef INTERFACE
#define INTERFACE IImgCtx
// {3050f3d7-98b5-11cf-bb82-00aa00bdce0b}
DEFINE_GUID(IID_IImgCtx, 0x3050f3d7, 0x98b5, 0x11cf, 0xbb, 0x82, 0x00, 0xaa, 0x00, 0xbd, 0xce, 0x0b);
DECLARE_INTERFACE_(IImgCtx, IUnknown)
{
#ifndef NO_BASEINTERFACE_FUNCS
/* IUnknown methods */
STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID FAR* ppvObj) PURE;
STDMETHOD_(ULONG, AddRef)(THIS) PURE;
STDMETHOD_(ULONG, Release)(THIS) PURE;
#endif
/* IImgCtx methods */
/* Initialization/Download methods */
STDMETHOD(Load)(THIS_ LPCWSTR pszUrl, DWORD dwFlags) PURE;
STDMETHOD(SelectChanges)(THIS_ ULONG ulChgOn, ULONG ulChgOff, BOOL fSignal) PURE;
STDMETHOD(SetCallback)(THIS_ PFNIMGCTXCALLBACK pfn, void * pvPrivateData) PURE;
STDMETHOD(Disconnect)(THIS) PURE;
/* Query methods */
STDMETHOD(GetUpdateRects)(THIS_ struct tagRECT FAR* prc, struct tagRECT FAR* prcImg, long FAR* pcrc) PURE;
STDMETHOD(GetStateInfo)(THIS_ ULONG FAR* pulState, struct tagSIZE FAR* psize, BOOL fClearChanges) PURE;
STDMETHOD(GetPalette)(THIS_ HPALETTE FAR* phpal) PURE;
/* Rendering methods */
STDMETHOD(Draw)(THIS_ HDC hdc, struct tagRECT FAR* prcBounds) PURE;
STDMETHOD(Tile)(THIS_ HDC hdc, struct tagPOINT FAR* pptBackOrg, struct tagRECT FAR* prcClip, struct tagSIZE FAR* psize) PURE;
STDMETHOD(StretchBlt)(THIS_ HDC hdc, int dstX, int dstY, int dstXE, int dstYE, int srcX, int srcY, int srcXE, int srcYE, DWORD dwROP) PURE;
};
#ifdef COBJMACROS
#define IImgCtx_QueryInterface(This,riid,ppvObject) \
(This)->lpVtbl -> QueryInterface(This,riid,ppvObject)
#define IImgCtx_AddRef(This) \
(This)->lpVtbl -> AddRef(This)
#define IImgCtx_Release(This) \
(This)->lpVtbl -> Release(This)
#define IImgCtx_Load(This, pszUrl, dwFlags) \
(This)->lpVtbl -> Load(This, pszUrl, dwFlags)
#define IImgCtx_Draw(This, hdc, prcBounds) \
(This)->lpVtbl -> Draw(This, hdc, prcBounds)
#define IImgCtx_Tile(This, hdc, pptBackOrg, prcClip, psize) \
(This)->lpVtbl -> Tile(This, hdc, pptBackOrg, prcClip, psize)
#define IImgCtx_GetUpdateRects(This, prc, prcImg, pcrc) \
(This)->lpVtbl -> GetUpdateRects(This, prc, prcImg, pcrc)
#define IImgCtx_GetStateInfo(This, pulState, psize, fClearChanges) \
(This)->lpVtbl -> GetStateInfo(This, pulState, psize, fClearChanges)
#define IImgCtx_GetPalette(This, phpal) \
(This)->lpVtbl -> GetPalette(This, phpal)
#define IImgCtx_SelectChanges(This, ulChgOn, ulChgOff, fSignal) \
(This)->lpVtbl -> SelectChanges(This, ulChgOn, ulChgOff, fSignal)
#define IImgCtx_SetCallback(This, pfnCallback, pvPrivateData) \
(This)->lpVtbl -> SetCallback(This, pfnCallback, pvPrivateData)
#define IImgCtx_Disconnect(This) \
(This)->lpVtbl -> Disconnect(This)
#define IImgCtx_StretchBlt(This, hdc, dstX, dstY, dstXE, dstYE, srcX, srcY, srcXE, srcYE, dwROP) \
(This)->lpVtbl -> StretchBlt(This, hdc, dstX, dstY, dstXE, dstYE, srcX, srcY, srcXE, srcYE, dwROP)
#endif /* COBJMACROS */
// {3050f3d6-98b5-11cf-bb82-00aa00bdce0b}
DEFINE_GUID(CLSID_IImgCtx, 0x3050f3d6, 0x98b5, 0x11cf, 0xbb, 0x82, 0x00, 0xaa, 0x00, 0xbd, 0xce, 0x0b);
#endif