Main Page   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members

FXPNGIcon.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                          P N G   I m a g e   O b j e c t                      *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1999,2002 by Jeroen van der Zijp.   All Rights Reserved.        *
00007 *********************************************************************************
00008 * This library is free software; you can redistribute it and/or                 *
00009 * modify it under the terms of the GNU Lesser General Public                    *
00010 * License as published by the Free Software Foundation; either                  *
00011 * version 2.1 of the License, or (at your option) any later version.            *
00012 *                                                                               *
00013 * This library is distributed in the hope that it will be useful,               *
00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
00016 * Lesser General Public License for more details.                               *
00017 *                                                                               *
00018 * You should have received a copy of the GNU Lesser General Public              *
00019 * License along with this library; if not, write to the Free Software           *
00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
00021 *********************************************************************************
00022 * $Id: FXPNGIcon.h,v 1.8 2002/01/18 22:42:54 jeroen Exp $                       *
00023 ********************************************************************************/
00024 #ifndef FXPNGICON_H
00025 #define FXPNGICON_H
00026 
00027 #ifndef FXICON_H
00028 #include "FXIcon.h"
00029 #endif
00030 
00031 /// Portable Network Graphics (PNG) Icon class
00032 class FXAPI FXPNGIcon : public FXIcon {
00033   FXDECLARE(FXPNGIcon)
00034 protected:
00035   FXPNGIcon(){}
00036 private:
00037   FXPNGIcon(const FXPNGIcon&);
00038   FXPNGIcon &operator=(const FXPNGIcon&);
00039 public:
00040 
00041   /// Construct an icon from memory stream formatted in PNG format
00042   FXPNGIcon(FXApp *a,const void *pix=NULL,FXColor clr=FXRGB(192,192,192),FXuint opts=0,FXint w=1,FXint h=1);
00043 
00044   /// Save pixels into stream in PNG format
00045   virtual void savePixels(FXStream& store) const;
00046 
00047   /// Load pixels from stream in PNG format
00048   virtual void loadPixels(FXStream& store);
00049 
00050   /// Destroy
00051   virtual ~FXPNGIcon();
00052   };
00053 
00054 
00055 /// Load a png from a stream
00056 extern FXAPI FXbool fxloadPNG(FXStream& store,FXuchar*& data,FXColor& transp,FXint& width,FXint& height);
00057 
00058 
00059 /// Save a png to a stream
00060 extern FXAPI FXbool fxsavePNG(FXStream& store,const FXuchar* data,FXColor transp,FXint width,FXint height);
00061 
00062 
00063 #endif