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<h1>plgifdec.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment">/--------------------------------------------------------------------</span>
00003 <span class="comment">|</span>
00004 <span class="comment">| $Id: plgifdec_8h-source.html,v 1.4 2004/09/15 15:26:29 uzadow Exp $</span>
00005 <span class="comment">|</span>
00006 <span class="comment">| Copyright (c) 1996-2002 Ulrich von Zadow</span>
00007 <span class="comment">|</span>
00008 <span class="comment">\--------------------------------------------------------------------</span>
00009 <span class="comment">*/</span>
00010
00011 <span class="preprocessor">#ifndef INCL_PLGIFDEC</span>
00012 <span class="preprocessor"></span><span class="preprocessor">#define INCL_PLGIFDEC</span>
00013 <span class="preprocessor"></span>
00014
00015 <span class="preprocessor">#if _MSC_VER > 1000</span>
00016 <span class="preprocessor"></span><span class="preprocessor">#pragma once</span>
00017 <span class="preprocessor"></span><span class="preprocessor">#endif // _MSC_VER > 1000</span>
00018 <span class="preprocessor"></span>
00019 <span class="preprocessor">#include "plpicdec.h"</span>
00020 <span class="comment"></span>
00021 <span class="comment">//! Compuserve gif file decoder using libungif to do the actual work. The</span>
00022 <span class="comment">//! bitmap returned always has 8 bpp. If the gif has a transparent color,</span>
00023 <span class="comment">//! the palette of the bitmap has alpha=0 for this color and HasAlpha=true.</span>
00024 <span class="comment">//! Does not support loading more than one image from a multi-image gif.</span>
00025 <span class="comment">//! (One issue with gifs is that you don't know whether the image has a </span>
00026 <span class="comment">//! transparent color until it's been decoded completely. For this reason,</span>
00027 <span class="comment">//! calling HasAlpha for the decoder before GetImage() will always return</span>
00028 <span class="comment">//! false.)</span>
<a name="l00029"></a><a class="code" href="classPLGIFDecoder.html">00029</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="classPLGIFDecoder.html">PLGIFDecoder</a> : <span class="keyword">public</span> <a class="code" href="classPLPicDecoder.html">PLPicDecoder</a>
00030 {
00031 <span class="keyword">public</span>:
00032 <a class="code" href="classPLGIFDecoder.html">PLGIFDecoder</a>();
00033 <span class="keyword">virtual</span> ~<a class="code" href="classPLGIFDecoder.html">PLGIFDecoder</a>();
00034 <span class="comment"></span>
00035 <span class="comment"> //!</span>
00036 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Open (<a class="code" href="classPLDataSource.html">PLDataSource</a> * pDataSrc);
00037 <span class="comment"></span>
00038 <span class="comment"> //!</span>
00039 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classPLGIFDecoder.html#a3">GetImage</a> (<a class="code" href="classPLBmpBase.html">PLBmpBase</a> & Bmp);
00040 <span class="comment"></span>
00041 <span class="comment"> //!</span>
00042 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Close ();
00043
00044 <span class="keyword">private</span>:
00045 <span class="keywordtype">void</span> * m_pGifFile;
00046
00047 };
00048
00049 <span class="preprocessor">#endif </span>
00050 <span class="preprocessor"></span>
00051 <span class="comment">/*</span>
00052 <span class="comment">/--------------------------------------------------------------------</span>
00053 <span class="comment">|</span>
00054 <span class="comment">| $Log: plgifdec_8h-source.html,v $
00054 <span class="comment">| Revision 1.4 2004/09/15 15:26:29 uzadow
00054 <span class="comment">| Linux compatibility changes, doc update.
00054 <span class="comment">|</span>
00055 <span class="comment">| Revision 1.7 2004/06/19 16:49:07 uzadow</span>
00056 <span class="comment">| Changed GetImage so it works with PLBmpBase</span>
00057 <span class="comment">|</span>
00058 <span class="comment">| Revision 1.6 2004/06/06 12:56:38 uzadow</span>
00059 <span class="comment">| Doxygenified documentation.</span>
00060 <span class="comment">|</span>
00061 <span class="comment">| Revision 1.5 2002/11/02 20:33:27 uzadow</span>
00062 <span class="comment">| Added gif transparency handling (Mark Richarme)</span>
00063 <span class="comment">|</span>
00064 <span class="comment">| Revision 1.4 2002/08/04 20:08:01 uzadow</span>
00065 <span class="comment">| Added PLBmpInfo class, ability to extract metainformation from images without loading the whole image and proper greyscale support.</span>
00066 <span class="comment">|</span>
00067 <span class="comment">| Revision 1.3 2002/03/31 13:36:41 uzadow</span>
00068 <span class="comment">| Updated copyright.</span>
00069 <span class="comment">|</span>
00070 <span class="comment">| Revision 1.2 2001/10/21 17:12:40 uzadow</span>
00071 <span class="comment">| Added PSD decoder beta, removed BPPWanted from all decoders, added PLFilterPixel.</span>
00072 <span class="comment">|</span>
00073 <span class="comment">| Revision 1.1 2001/09/16 19:03:22 uzadow</span>
00074 <span class="comment">| Added global name prefix PL, changed most filenames.</span>
00075 <span class="comment">|</span>
00076 <span class="comment">| Revision 1.2 2000/12/18 22:42:52 uzadow</span>
00077 <span class="comment">| Replaced RGBAPIXEL with PLPixel32.</span>
00078 <span class="comment">|</span>
00079 <span class="comment">| Revision 1.1 2000/12/08 13:41:23 uzadow</span>
00080 <span class="comment">| Added gif support by Michael Salzlechner.</span>
00081 <span class="comment">|</span>
00082 <span class="comment">|</span>
00083 <span class="comment">\--------------------------------------------------------------------</span>
00084 <span class="comment">*/</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Sep 13 16:16:40 2004 for paintlib by
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