<html> <head> <link rel="stylesheet" href="page.css" type="text/css"> <title>fox-toolkit.org - Documentation</title> </head> <body bgcolor=#ffffff link=#990033 vlink=#990033 alink=#990033 text=#000000> <font face='verdana,sans-serif' size=2 > <!---- TOPIC TITLE WITH LOGO---> <table border=0 cellpadding= cellspacing=2 width=100% ><tr><td><a href='http://www.fox-toolkit.org/doc.html'><img src='../art/foxlogo_small.jpg' border=0></a></td><td width=100% valign=bottom><font face='verdana,sans-serif' size=2 ><b> <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <br><img src='../art/line.gif' width=100% height=1></b></font></td></tr></table> <p> <!--- TOPIC TITLE WITH LOGO ---> <!-- Generated by Doxygen 1.3.3 --> <h1>FXJPGImage.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span> 00002 <span class="comment">* *</span> 00003 <span class="comment">* J P E G I m a g e O b j e c t *</span> 00004 <span class="comment">* *</span> 00005 <span class="comment">*********************************************************************************</span> 00006 <span class="comment">* Copyright (C) 2000,2004 by David Tyree. All Rights Reserved. *</span> 00007 <span class="comment">*********************************************************************************</span> 00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span> 00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span> 00010 <span class="comment">* License as published by the Free Software Foundation; either *</span> 00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span> 00012 <span class="comment">* *</span> 00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span> 00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span> 00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span> 00016 <span class="comment">* Lesser General Public License for more details. *</span> 00017 <span class="comment">* *</span> 00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span> 00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span> 00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span> 00021 <span class="comment">*********************************************************************************</span> 00022 <span class="comment">* $Id: FXJPGImage.h,v 1.12 2004/02/08 17:17:33 fox Exp $ *</span> 00023 <span class="comment">********************************************************************************/</span> 00024 <span class="preprocessor">#ifndef FXJPGIMAGE_H</span> 00025 <span class="preprocessor"></span><span class="preprocessor">#define FXJPGIMAGE_H</span> 00026 <span class="preprocessor"></span> 00027 <span class="preprocessor">#ifndef FXIMAGE_H</span> 00028 <span class="preprocessor"></span><span class="preprocessor">#include "FXImage.h"</span> 00029 <span class="preprocessor">#endif</span> 00030 <span class="preprocessor"></span> 00031 <span class="keyword">namespace </span>FX { 00032 00033 <span class="comment"></span> 00034 <span class="comment">/// JPEG Image class</span> <a name="l00035"></a><a class="code" href="classFX_1_1FXJPGImage.html">00035</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXJPGImage : <span class="keyword">public</span> <a class="code" href="classFX_1_1FXImage.html">FXImage</a> { 00036 FXDECLARE(FXJPGImage) 00037 <span class="keyword">protected</span>: 00038 FXint quality; 00039 <span class="keyword">protected</span>: 00040 FXJPGImage(){} 00041 <span class="keyword">private</span>: 00042 FXJPGImage(<span class="keyword">const</span> FXJPGImage&); 00043 FXJPGImage &operator=(<span class="keyword">const</span> FXJPGImage&); 00044 <span class="keyword">public</span>: 00045 <span class="comment"></span> 00046 <span class="comment"> /// Construct an image from memory stream formatted in JPEG format</span> 00047 <span class="comment"></span> FXJPGImage(<a class="code" href="classFX_1_1FXApp.html">FXApp</a> *a,<span class="keyword">const</span> <span class="keywordtype">void</span> *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1); 00048 <span class="comment"></span> <a name="l00049"></a><a class="code" href="classFX_1_1FXJPGImage.html#a3">00049</a> <span class="comment"> /// Save pixels into stream in JPEG format</span> 00050 <span class="comment"></span> <span class="keyword">virtual</span> FXbool loadPixels(<a class="code" href="classFX_1_1FXStream.html">FXStream</a>& store); 00051 <span class="comment"></span> <a name="l00052"></a><a class="code" href="classFX_1_1FXJPGImage.html#a4">00052</a> <span class="comment"> /// Load pixels from stream in JPEG format</span> 00053 <span class="comment"></span> <span class="keyword">virtual</span> FXbool savePixels(<a class="code" href="classFX_1_1FXStream.html">FXStream</a>& store) <span class="keyword">const</span>; 00054 <span class="comment"></span> 00055 <span class="comment"> /// Set image quality to save with</span> 00056 <span class="comment"></span> <span class="keywordtype">void</span> setQuality(FXint q){ quality=q; } 00057 <span class="comment"></span> 00058 <span class="comment"> /// Get image quality setting</span> 00059 <span class="comment"></span> FXint getQuality()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> quality; } 00060 <span class="comment"></span> 00061 <span class="comment"> /// Destroy</span> 00062 <span class="comment"></span> <span class="keyword">virtual</span> ~FXJPGImage(); 00063 }; 00064 00065 <span class="comment"></span> 00066 <span class="comment">/**</span> 00067 <span class="comment">* Load an JPEG (Joint Photographics Experts Group) file from a stream.</span> 00068 <span class="comment">* Upon successful return, the pixel array and size are returned.</span> 00069 <span class="comment">* If an error occurred, the pixel array is set to NULL.</span> 00070 <span class="comment">*/</span> 00071 <span class="keyword">extern</span> FXAPI FXbool fxloadJPG(FXStream& store,FXColor*& data,FXint& width,FXint& height,FXint& quality); 00072 00073 <span class="comment"></span> 00074 <span class="comment">/**</span> 00075 <span class="comment">* Save an JPEG (Joint Photographics Experts Group) file to a stream.</span> 00076 <span class="comment">*/</span> 00077 <span class="keyword">extern</span> FXAPI FXbool fxsaveJPG(FXStream& store,<span class="keyword">const</span> FXColor* data,FXint width,FXint height,FXint quality); 00078 00079 } 00080 00081 <span class="preprocessor">#endif</span> </pre></div></font> <!--- COPYRIGHT --> <p> <table width=100% cellpadding=0 cellspacing=0><tr><td width=100% valign=top id=HEADLINE align=right> <img src='../art/line.gif' width=100% height=1><font size=-1> Copyright © 1997-2004 Jeroen van der Zijp</font> </td></tr></table> </p> <!--- COPYRIGHT --> </body> </html>