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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: FXPNGImage.h,v 1.8 2002/01/18 22:42:54 jeroen Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXPNGIMAGE_H 00025 #define FXPNGIMAGE_H 00026 00027 #ifndef FXIMAGE_H 00028 #include "FXImage.h" 00029 #endif 00030 00031 00032 /// Portable Network Graphics (PNG) Image class 00033 class FXAPI FXPNGImage : public FXImage { 00034 FXDECLARE(FXPNGImage) 00035 protected: 00036 FXPNGImage(){} 00037 private: 00038 FXPNGImage(const FXPNGImage&); 00039 FXPNGImage &operator=(const FXPNGImage&); 00040 public: 00041 00042 /// Construct an image from memory stream formatted in PNG format 00043 FXPNGImage(FXApp *a,const void *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1); 00044 00045 /// Save pixels into stream in PNG format 00046 virtual void loadPixels(FXStream& store); 00047 00048 /// Load pixels from stream in PNG format 00049 virtual void savePixels(FXStream& store) const; 00050 00051 /// Destroy 00052 virtual ~FXPNGImage(); 00053 }; 00054 00055 00056 /// Load a png from a stream 00057 extern FXAPI FXbool fxloadPNG(FXStream& store,FXuchar*& data,FXColor& transp,FXint& width,FXint& height); 00058 00059 00060 /// Save a png to a stream 00061 extern FXAPI FXbool fxsavePNG(FXStream& store,const FXuchar* data,FXColor transp,FXint width,FXint height); 00062 00063 00064 #endif