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FXGIFImage.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                         G I F   I m a g e   O b j e c t                       *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1998,2004 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: FXGIFImage.h,v 1.16 2004/02/08 17:17:33 fox Exp $                        *
00023 ********************************************************************************/
00024 #ifndef FXGIFIMAGE_H
00025 #define FXGIFIMAGE_H
00026 
00027 #ifndef FXIMAGE_H
00028 #include "FXImage.h"
00029 #endif
00030 
00031 namespace FX {
00032 
00033 /// GIF Image class
00034 class FXAPI FXGIFImage : public FXImage {
00035   FXDECLARE(FXGIFImage)
00036 protected:
00037   FXGIFImage(){}
00038 private:
00039   FXGIFImage(const FXGIFImage&);
00040   FXGIFImage &operator=(const FXGIFImage&);
00041 public:
00042 
00043   /// Construct an image from memory stream formatted as CompuServe GIF format
00044   FXGIFImage(FXApp* a,const void *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1);
00045 
00046   /// Save pixels into stream in [un]GIF format
00047   virtual FXbool savePixels(FXStream& store) const;
00048 
00049   /// Load pixels from stream in CompuServe GIF format
00050   virtual FXbool loadPixels(FXStream& store);
00051 
00052   /// Destroy
00053   virtual ~FXGIFImage();
00054   };
00055 
00056 
00057 /**
00058 * Load an GIF (Graphics Interchange Format) file from a stream.
00059 * Upon successful return, the pixel array and size are returned.
00060 * If an error occurred, the pixel array is set to NULL.
00061 */
00062 extern FXAPI FXbool fxloadGIF(FXStream& store,FXColor*& data,FXint& width,FXint& height);
00063 
00064 
00065 /**
00066 * Save an GIF (Graphics Interchange Format) file to a stream.
00067 */
00068 extern FXAPI FXbool fxsaveGIF(FXStream& store,const FXColor *data,FXint width,FXint height);
00069 
00070 }
00071 
00072 #endif

Copyright © 1997-2004 Jeroen van der Zijp