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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) 1999,2002 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