include/wx/imagjpeg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        imagjpeg.h
   3 // Purpose:     wxImage JPEG handler
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) Vaclav Slavik
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_IMAGJPEG_H_
  11 #define _WX_IMAGJPEG_H_
  12
  13 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  14 #pragma interface "imagjpeg.h"
  15 #endif
  16
  17 #include "wx/image.h"
  18
  19 // defines for wxImage::SetOption
  20 #define wxIMAGE_OPTION_RESOLUTION            wxString(_T("Resolution"))
  21 #define wxIMAGE_OPTION_RESOLUTIONUNIT        wxString(_T("ResolutionUnit"))
  22
  23 enum
  24 {
  25     wxIMAGE_RESOLUTION_INCHES = 1,
  26     wxIMAGE_RESOLUTION_CM = 2
  27 };
  28
  29 //-----------------------------------------------------------------------------
  30 // wxJPEGHandler
  31 //-----------------------------------------------------------------------------
  32
  33 #if wxUSE_LIBJPEG
  34 class WXDLLEXPORT wxJPEGHandler: public wxImageHandler
  35 {
  36 public:
  37     inline wxJPEGHandler()
  38     {
  39         m_name = wxT("JPEG file");
  40         m_extension = wxT("jpg");
  41         m_type = wxBITMAP_TYPE_JPEG;
  42         m_mime = wxT("image/jpeg");
  43     }
  44
  45 #if wxUSE_STREAMS
  46     virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=-1 );
  47     virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
  48     virtual bool DoCanRead( wxInputStream& stream );
  49 #endif
  50
  51 private:
  52     DECLARE_DYNAMIC_CLASS(wxJPEGHandler)
  53 };
  54 #endif
  55
  56
  57
  58 #endif
  59   // _WX_IMAGJPEG_H_
  60