FXPNGImage.h

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00001 /********************************************************************************
00002 *                                                                               *
00003 *                          P N G   I m a g e   O b j e c t                      *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1999,2006 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: FXPNGImage.h,v 1.22 2006/01/22 17:58:06 fox Exp $                        *
00023 ********************************************************************************/
00024 #ifndef FXPNGIMAGE_H
00025 #define FXPNGIMAGE_H
00026 
00027 #ifndef FXIMAGE_H
00028 #include "FXImage.h"
00029 #endif
00030 
00031 namespace FX {
00032 
00033 
00035 class FXAPI FXPNGImage : public FXImage {
00036   FXDECLARE(FXPNGImage)
00037 protected:
00038   FXPNGImage(){}
00039 private:
00040   FXPNGImage(const FXPNGImage&);
00041   FXPNGImage &operator=(const FXPNGImage&);
00042 public:
00043   static const FXchar *fileExt;
00044   static const FXchar *mimeType;
00045 public:
00046 
00048   FXPNGImage(FXApp *a,const void *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1);
00049 
00051   static const bool supported;
00052 
00054   virtual bool loadPixels(FXStream& store);
00055 
00057   virtual bool savePixels(FXStream& store) const;
00058 
00060   virtual ~FXPNGImage();
00061   };
00062 
00063 
00067 extern FXAPI bool fxcheckPNG(FXStream& store);
00068 
00069 
00075 extern FXAPI bool fxloadPNG(FXStream& store,FXColor*& data,FXint& width,FXint& height);
00076 
00077 
00081 extern FXAPI bool fxsavePNG(FXStream& store,const FXColor* data,FXint width,FXint height);
00082 
00083 }
00084 
00085 #endif

(C) 2002-2009 Niall Douglas. Some parts (C) to assorted authors.
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