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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 |