include/wx/msw/dib.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/dib.h
   3 // Purpose:     Routines for loading and saving DIBs
   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_DIB_H_
  13 #define _WX_DIB_H_
  14
  15 class WXDLLEXPORT wxBitmap;
  16 class WXDLLEXPORT wxPalette;
  17
  18 // WARNING: these functions are private to wxWindows and shouldn't be used
  19 //          by the user code, they risk to disappear in the next versions!
  20
  21 // ----------------------------------------------------------------------------
  22 // Functions for working with DIBs
  23 // ----------------------------------------------------------------------------
  24
  25 // VZ: we have 3 different sets of functions: from bitmap.cpp (wxCreateDIB and
  26 //     wxFreeDIB), from dib.cpp and from dataobj.cpp - surely there is some
  27 //     redundancy between them? (FIXME)
  28
  29 // defined in bitmap.cpp
  30 extern bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel,
  31                        HPALETTE hPal, LPBITMAPINFO* lpDIBHeader);
  32 extern void wxFreeDIB(LPBITMAPINFO lpDIBHeader);
  33
  34 // defined in ole/dataobj.cpp
  35 extern WXDLLEXPORT size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap);
  36 extern WXDLLEXPORT wxBitmap wxConvertDIBToBitmap(const LPBITMAPINFO pbi);
  37
  38 // the rest is defined in dib.cpp
  39
  40 // Save (device dependent) wxBitmap as a DIB
  41 bool wxSaveBitmap(wxChar *filename, wxBitmap *bitmap, wxPalette *colourmap = NULL);
  42
  43 // Load device independent bitmap into device dependent bitmap
  44 wxBitmap *wxLoadBitmap(wxChar *filename, wxPalette **colourmap = NULL);
  45
  46 // Load into existing bitmap;
  47 bool wxLoadIntoBitmap(wxChar *filename, wxBitmap *bitmap, wxPalette **pal = NULL);
  48
  49 HANDLE wxBitmapToDIB (HBITMAP hBitmap, HPALETTE hPal);
  50 BOOL   wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette);
  51 HANDLE wxReadDIB2(LPTSTR lpFileName);
  52 LPSTR wxFindDIBBits (LPSTR lpbi);
  53 HPALETTE wxMakeDIBPalette(LPBITMAPINFOHEADER lpInfo);
  54
  55 #endif // _WX_DIB_H_
  56