www.pudn.com > CEimage.zip > imgdecmp.h

/*---------------------------------------------------------------------------*\ 
 * 
 * (c) Copyright Microsoft Corp. 1997-98 All Rights Reserved 
 * 
 *  module: imgdecmp.h 
 *  date: 
 *  author: jaym 
 * 
 *  purpose:  
 * 
\*---------------------------------------------------------------------------*/ 
#ifndef __IMGDECMP_H__ 
#define __IMGDECMP_H__ 
 
#ifdef __cplusplus 
extern "C" { 
#endif // __cplusplus 
 
#include "imgrendr.h" 
 
typedef void (CALLBACK *PROGRESSFUNC)(IImageRender *pRender, BOOL bComplete, LPARAM lParam); 
typedef DWORD (CALLBACK *GETDATAFUNC)(LPSTR szBuffer, DWORD dwBufferMax, LPARAM lParam); 
 
typedef struct tagDecompressImageInfo { 
	DWORD                   dwSize;                                 // Size of this structure 
	LPBYTE                  pbBuffer;                               // Pointer to the buffer to use for data 
	DWORD                   dwBufferMax;                    // Size of the buffer 
	DWORD                   dwBufferCurrent;                // The amount of data which is current in the buffer 
	HBITMAP *               phBM;                                   // Pointer to the bitmap returned (can be NULL) 
	IImageRender ** ppImageRender;                  // Pointer to an IImageRender object (can be NULL) 
	int                             iBitDepth;                              // Bit depth of the output image 
	LPARAM                  lParam;                                 // User parameter for callback functions 
	HDC                             hdc;                                    // HDC to use for retrieving palettes 
	int                             iScale;                                 // Scale factor (1 - 100) 
	int                             iMaxWidth;                              // Maximum width of the output image 
	int                             iMaxHeight;                             // Maxumum height of the output image 
	GETDATAFUNC             pfnGetData;                             // Callback function to get more data 
	PROGRESSFUNC    pfnImageProgress;               // Callback function to notify caller of progress decoding the image 
	COLORREF                crTransparentOverride;  // If this color is not (UINT)-1, it will override the 
											// transparent color in the image with this color. (GIF ONLY) 
} DecompressImageInfo; 
 
#define IMGDECOMP_E_NOIMAGE             0x800b0100 
 
COLORREF * 
GetHalftonePalette(); 
 
COLORREF * 
Get332Palette(); 
 
HRESULT 
DecompressImageIndirect(DecompressImageInfo *pParams); 
 
#ifdef __cplusplus 
}; 
#endif // __cplusplus 
 
#endif // !__IMGDECMP_H__