include/wx/imagbmp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        imagbmp.h
   3 // Purpose:     wxImage BMP handler
   4 // Author:      Robert Roebling
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_IMAGBMP_H_
  11 #define _WX_IMAGBMP_H_
  12
  13 #ifdef __GNUG__
  14 #pragma interface "imagbmp.h"
  15 #endif
  16
  17 #include "wx/image.h"
  18
  19 // defines for saving the BMP file in different formats, Bits Per Pixel
  20 // USE: wximage.SetOption( wxBMP_FORMAT, wxBMP_xBPP );
  21 #define wxBMP_FORMAT wxString(_T("wxBMP_FORMAT"))
  22
  23 enum
  24 {
  25     wxBMP_24BPP        = 24, // default, do not need to set
  26     //wxBMP_16BPP      = 16, // wxQuantize can only do 236 colors?
  27     wxBMP_8BPP         =  8, // 8bpp, quantized colors
  28     wxBMP_8BPP_GREY    =  9, // 8bpp, rgb averaged to greys
  29     wxBMP_8BPP_GRAY    =  wxBMP_8BPP_GREY,
  30     wxBMP_8BPP_RED     = 10, // 8bpp, red used as greyscale
  31     wxBMP_8BPP_PALETTE = 11, // 8bpp, use the wxImage's palette
  32     wxBMP_4BPP         =  4, // 4bpp, quantized colors
  33     wxBMP_1BPP         =  1, // 1bpp, quantized "colors"
  34     wxBMP_1BPP_BW      =  2  // 1bpp, black & white from red
  35 };
  36
  37 // ----------------------------------------------------------------------------
  38 // wxBMPHandler
  39 // ----------------------------------------------------------------------------
  40
  41 class WXDLLEXPORT wxBMPHandler : public wxImageHandler
  42 {
  43 public:
  44   wxBMPHandler()
  45   {
  46       m_name = _T("BMP file");
  47       m_extension = _T("bmp");
  48       m_type = wxBITMAP_TYPE_BMP;
  49       m_mime = _T("image/bmp");
  50   };
  51
  52 #if wxUSE_STREAMS
  53   virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
  54
  55   virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
  56   virtual bool DoCanRead( wxInputStream& stream );
  57 #endif // wxUSE_STREAMS
  58
  59   DECLARE_DYNAMIC_CLASS(wxBMPHandler)
  60 };
  61
  62
  63 #endif
  64   // _WX_IMAGBMP_H_
  65