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/*---------------------------------------------------------------------------*\
*
* (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__
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