include/wx/msw/curicop.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        curicop.h
   3 // Purpose:     Private routines for cursor/icon handling
   4 // Author:      Various
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CURICOP_H_
  13 #define _WX_CURICOP_H_
  14
  15 // PRIVATE STUFF FOLLOWS UNTIL END
  16
  17 // Header signatures for various resources
  18 #define BFT_ICON   0x4349   /* 'IC' */
  19 #define BFT_BITMAP 0x4d42   /* 'BM' */
  20 #define BFT_CURSOR 0x5450   /* 'PT(' */
  21
  22 // This WIDTHBYTES macro determines the number of BYTES per scan line.
  23 #define WIDTHBYTES( i)   ((i + 31) / 32 * 4)
  24 #define IS_WIN30_DIB( lpbi)  ((*(LPDWORD)( lpbi)) == sizeof( BITMAPINFOHEADER))
  25
  26 WORD         DIBNumColors(LPSTR pv);
  27
  28 struct tagCURFILEHEADER { WORD wReserved;         // Always 0
  29                           WORD wResourceType;     // 2 = cursor
  30                           WORD wResourceCount;    // Number of icons in the file
  31                         };
  32
  33 typedef struct tagCURFILEHEADER CURFILEHEADER;
  34
  35 struct tagCURFILERES {
  36     BYTE  bWidth;         // Width of image
  37     BYTE  bHeight;        // Height of image
  38     BYTE  bColorCount;    // Number of colors in image (2, 8, or 16)
  39     BYTE  bReserved1;     // Reserved
  40     WORD  wXHotspot;      // x coordinate of hotspot
  41     WORD  wYHotspot;      // y coordinate of hotspot
  42     DWORD dwDIBSize;      // Size of DIB for this image
  43     DWORD dwDIBOffset;    // Offset to DIB for this image
  44   };
  45
  46 typedef struct tagCURFILERES CURFILERES;
  47
  48 HANDLE  ReadCur( LPTSTR szFileName, LPPOINT lpptHotSpot, int *W = 0, int *H = 0);
  49 HCURSOR MakeCursor( HANDLE hDIB, LPPOINT lpptHotSpot, HINSTANCE hInst);
  50
  51 struct tagICONFILEHEADER {
  52   WORD wReserved;         // Always 0
  53   WORD wResourceType;     // 1 = icon
  54   WORD wResourceCount;    // Number of icons in the file
  55   };
  56
  57 typedef struct tagICONFILEHEADER ICONFILEHEADER;
  58
  59 struct tagICONFILERES {
  60     BYTE  bWidth;         // Width of image
  61     BYTE  bHeight;        // Height of image
  62     BYTE  bColorCount;    // Number of colors in image (2, 8, or 16)
  63     BYTE  bReserved1;     // Reserved
  64     WORD  wReserved2;
  65     WORD  wReserved3;
  66     DWORD dwDIBSize;      // Size of DIB for this image
  67     DWORD dwDIBOffset;    // Offset to DIB for this image
  68   };
  69
  70 typedef struct tagICONFILERES ICONFILERES;
  71
  72 HANDLE ReadIcon( wxChar *szFileName, int *W = 0, int *H = 0);
  73 HICON  MakeIcon( HANDLE hDIB, HINSTANCE hInst);
  74
  75 #endif
  76