/********************************************************************************
* *
* G I F I c o n O b j e c t *
* *
*********************************************************************************
* Copyright (C) 1997,2006 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXGIFIcon.h 2342 2006-02-10 14:24:44Z lyle $ *
********************************************************************************/
#ifndef FXGIFICON_H
#define FXGIFICON_H
#ifndef FXICON_H
#include "FXIcon.h"
#endif
namespace FX {
/// GIF Icon class
class FXAPI FXGIFIcon : public FXIcon {
FXDECLARE(FXGIFIcon)
protected:
FXGIFIcon(){}
private:
FXGIFIcon(const FXGIFIcon&);
FXGIFIcon &operator=(const FXGIFIcon&);
public:
static const FXchar fileExt[];
static const FXchar mimeType[];
public:
/// Construct an icon from memory stream formatted as GIF format
FXGIFIcon(FXApp* a,const void *pix=NULL,FXColor clr=FXRGB(192,192,192),FXuint opts=0,FXint w=1,FXint h=1);
/// Save pixels into stream in GIF format
virtual bool savePixels(FXStream& store) const;
/// Load pixels from stream in GIF format
virtual bool loadPixels(FXStream& store);
/// Destroy
virtual ~FXGIFIcon();
};
#ifndef FXLOADGIF
#define FXLOADGIF
/**
* Check if stream contains a GIF, return TRUE if so.
*/
extern FXAPI bool fxcheckGIF(FXStream& store);
/**
* Load an GIF (Graphics Interchange Format) file from a stream.
* Upon successful return, the pixel array and size are returned.
* If an error occurred, the pixel array is set to NULL.
*/
extern FXAPI bool fxloadGIF(FXStream& store,FXColor*& data,FXint& width,FXint& height);
/**
* Save an GIF (Graphics Interchange Format) file to a stream. The flag
* "fast" is used to select the faster Floyd-Steinberg dither method instead
* of the slower Wu quantization algorithm.
*/
extern FXAPI bool fxsaveGIF(FXStream& store,const FXColor *data,FXint width,FXint height,bool fast=true);
#endif
}
#endif