pnghand.h

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

/////////////////////////////////////////////////////////////////////////////
// Name:        pnghand.h
// Purpose:     PNG bitmap handler
// Author:      Julian Smart
// Modified by: 
// Created:     04/01/98
// RCS-ID:      $Id: pnghand.h,v 1.8 2005/09/23 12:49:34 MR Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_PNGHAND_H_
#define _WX_PNGHAND_H_

#include "wx/defs.h"

#if wxUSE_LIBPNG

class WXDLLEXPORT wxPNGFileHandler: public wxBitmapHandler
{
  DECLARE_DYNAMIC_CLASS(wxPNGFileHandler)
public:
  inline wxPNGFileHandler(void)
  {
    SetName(wxT("PNG bitmap file"));
    SetExtension(wxT("bmp"));
    SetType(wxBITMAP_TYPE_PNG);
  };

  virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
      int desiredWidth, int desiredHeight);
  virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
};

#endif //wxUSE_LIBPNG

#endif
  // _WX_PNGHAND_H_