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FXJPGIcon.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                         J P E G   I c o n   O b j e c t                       *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 2000,2004 by David Tyree.   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: FXJPGIcon.h,v 1.12 2004/02/08 17:17:33 fox Exp $                         *
00023 ********************************************************************************/
00024 #ifndef FXJPGICON_H
00025 #define FXJPGICON_H
00026 
00027 #ifndef FXICON_H
00028 #include "FXIcon.h"
00029 #endif
00030 
00031 namespace FX {
00032 
00033 
00034 /// JPEG Icon class
00035 class FXAPI FXJPGIcon : public FXIcon {
00036   FXDECLARE(FXJPGIcon)
00037 protected:
00038   FXint quality;
00039 protected:
00040   FXJPGIcon(){}
00041 private:
00042   FXJPGIcon(const FXJPGIcon&);
00043   FXJPGIcon &operator=(const FXJPGIcon&);
00044 public:
00045 
00046   /// Construct an icon from memory stream formatted in JPEG format
00047   FXJPGIcon(FXApp *a,const void *pix=NULL,FXColor clr=FXRGB(192,192,192),FXuint opts=0,FXint w=1,FXint h=1);
00048 
00049   /// Save pixels into stream in JPEG format
00050   virtual FXbool savePixels(FXStream& store) const;
00051 
00052   /// Load pixels from stream in JPEG format
00053   virtual FXbool loadPixels(FXStream& store);
00054 
00055   /// Set image quality to save with
00056   void setQuality(FXint q){ quality=q; }
00057 
00058   /// Get image quality setting
00059   FXint getQuality() const { return quality; }
00060 
00061   /// Destroy
00062   virtual ~FXJPGIcon();
00063   };
00064 
00065 
00066 
00067 /**
00068 * Load an JPEG (Joint Photographics Experts Group) file from a stream.
00069 * Upon successful return, the pixel array and size are returned.
00070 * If an error occurred, the pixel array is set to NULL.
00071 */
00072 extern FXAPI FXbool fxloadJPG(FXStream& store,FXColor*& data,FXint& width,FXint& height,FXint& quality);
00073 
00074 
00075 /**
00076 * Save an JPEG (Joint Photographics Experts Group) file to a stream.
00077 */
00078 extern FXAPI FXbool fxsaveJPG(FXStream& store,const FXColor* data,FXint width,FXint height,FXint quality);
00079 
00080 }
00081 
00082 #endif

Copyright © 1997-2004 Jeroen van der Zijp