git.maemo.org Git - drnoksnes/blob - imgdecmp.h

   1 /*---------------------------------------------------------------------------*\
   2  *
   3  * (c) Copyright Microsoft Corp. 1997-98 All Rights Reserved
   4  *
   5  *  module: imgdecmp.h
   6  *  date:
   7  *  author: jaym
   8  *
   9  *  purpose:
  10  *
  11 \*---------------------------------------------------------------------------*/
  12 #ifndef __IMGDECMP_H__
  13 #define __IMGDECMP_H__
  14
  15 #ifdef __cplusplus
  16 extern "C" {
  17 #endif // __cplusplus
  18
  19 #include "imgrendr.h"
  20
  21 typedef void (CALLBACK *PROGRESSFUNC)(IImageRender *pRender, BOOL bComplete, LPARAM lParam);
  22 typedef DWORD (CALLBACK *GETDATAFUNC)(LPSTR szBuffer, DWORD dwBufferMax, LPARAM lParam);
  23
  24 typedef struct tagDecompressImageInfo {
  25         DWORD                   dwSize;                                 // Size of this structure
  26         LPBYTE                  pbBuffer;                               // Pointer to the buffer to use for data
  27         DWORD                   dwBufferMax;                    // Size of the buffer
  28         DWORD                   dwBufferCurrent;                // The amount of data which is current in the buffer
  29         HBITMAP *               phBM;                                   // Pointer to the bitmap returned (can be NULL)
  30         IImageRender ** ppImageRender;                  // Pointer to an IImageRender object (can be NULL)
  31         int                             iBitDepth;                              // Bit depth of the output image
  32         LPARAM                  lParam;                                 // User parameter for callback functions
  33         HDC                             hdc;                                    // HDC to use for retrieving palettes
  34         int                             iScale;                                 // Scale factor (1 - 100)
  35         int                             iMaxWidth;                              // Maximum width of the output image
  36         int                             iMaxHeight;                             // Maxumum height of the output image
  37         GETDATAFUNC             pfnGetData;                             // Callback function to get more data
  38         PROGRESSFUNC    pfnImageProgress;               // Callback function to notify caller of progress decoding the image
  39         COLORREF                crTransparentOverride;  // If this color is not (UINT)-1, it will override the
  40                                                                                         // transparent color in the image with this color. (GIF ONLY)
  41 } DecompressImageInfo;
  42
  43 #define IMGDECOMP_E_NOIMAGE             0x800b0100
  44
  45 COLORREF *
  46 GetHalftonePalette();
  47
  48 COLORREF *
  49 Get332Palette();
  50
  51 HRESULT
  52 DecompressImageIndirect(DecompressImageInfo *pParams);
  53
  54 #ifdef __cplusplus
  55 };
  56 #endif // __cplusplus
  57
  58 #endif // !__IMGDECMP_H__