📄 xpdf about.htm
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<html><head><title>Xpdf: About</title><script language="JavaScript"><!-- function preload(img) { var a = new Image(); a.src = img; return a; } bt1_home_i = preload("bt_home_i.png"); bt2_home_i = preload("btrl_home_i.png"); bt1_about_i = preload("bt_about_i.png"); bt2_about_i = preload("btrl_about_i.png"); bt1_download_i = preload("bt_download_i.png"); bt2_download_i = preload("btrl_download_i.png"); bt1_screenshots_i = preload("bt_screenshots_i.png"); bt2_screenshots_i = preload("btrl_screenshots_i.png"); bt1_decryption_i = preload("bt_decryption_i.png"); bt2_decryption_i = preload("btrl_decryption_i.png"); bt1_portsntools_i = preload("bt_portsntools_i.png"); bt2_portsntools_i = preload("btrl_portsntools_i.png"); bt1_lzw_i = preload("bt_lzw_i.png"); bt2_lzw_i = preload("btrl_lzw_i.png"); bt1_problems_i = preload("bt_problems_i.png"); bt2_problems_i = preload("btrl_problems_i.png"); bt1_cracking_i = preload("bt_cracking_i.png"); bt2_cracking_i = preload("btrl_cracking_i.png"); bt1_links_i = preload("bt_links_i.png"); bt2_links_i = preload("btrl_links_i.png");// --></script></head><body topmargin="0" leftmargin="0" bgcolor="#ffffff"><table border="0" frame="void" rules="none" cellspacing="0" cellpadding="0"><tr> <td><table border="0" frame="void" rules="none" cellspacing="0" cellpadding="0"> <tr> <td><a href="index.html"><img src="header_left.png" border="0"></a></td> <td><img src="header_right.jpg"></td> </tr> </table></td></tr><tr> <td><table border="0" frame="void" rules="none" cellspacing="0" cellpadding="0"> <tr> <td><a href="home.html" language="JavaScript" onmouseover="document['bt_home_i'].src=bt2_home_i.src" onmouseout="document['bt_home_i'].src=bt1_home_i.src" ><img name="bt_home_i" src="bt_home_i.png" alt="Home" border="0" ></a></td> <td><img name="bt_about_i" src="btrl_about_i.png" alt="About" border="0" ></td> <td><a href="download.html" language="JavaScript" onmouseover="document['bt_download_i'].src=bt2_download_i.src" onmouseout="document['bt_download_i'].src=bt1_download_i.src" ><img name="bt_download_i" src="bt_download_i.png" alt="Download" border="0" ></a></td> <td><a href="screenshots.html" language="JavaScript" onmouseover="document['bt_screenshots_i'].src=bt2_screenshots_i.src" onmouseout="document['bt_screenshots_i'].src=bt1_screenshots_i.src" ><img name="bt_screenshots_i" src="bt_screenshots_i.png" alt="Screen shots" border="0" ></a></td> <td><a href="decryption.html" language="JavaScript" onmouseover="document['bt_decryption_i'].src=bt2_decryption_i.src" onmouseout="document['bt_decryption_i'].src=bt1_decryption_i.src" ><img name="bt_decryption_i" src="bt_decryption_i.png" alt="Decryption" border="0" ></a></td> <td><a href="portsntools.html" language="JavaScript" onmouseover="document['bt_portsntools_i'].src=bt2_portsntools_i.src" onmouseout="document['bt_portsntools_i'].src=bt1_portsntools_i.src" ><img name="bt_portsntools_i" src="bt_portsntools_i.png" alt="Ports & Tools" border="0" ></a></td> <td><a href="lzw.html" language="JavaScript" onmouseover="document['bt_lzw_i'].src=bt2_lzw_i.src" onmouseout="document['bt_lzw_i'].src=bt1_lzw_i.src" ><img name="bt_lzw_i" src="bt_lzw_i.png" alt="LZW" border="0" ></a></td> <td><a href="problems.html" language="JavaScript" onmouseover="document['bt_problems_i'].src=bt2_problems_i.src" onmouseout="document['bt_problems_i'].src=bt1_problems_i.src" ><img name="bt_problems_i" src="bt_problems_i.png" alt="Problems" border="0" ></a></td> <td><a href="cracking.html" language="JavaScript" onmouseover="document['bt_cracking_i'].src=bt2_cracking_i.src" onmouseout="document['bt_cracking_i'].src=bt1_cracking_i.src" ><img name="bt_cracking_i" src="bt_cracking_i.png" alt="Cracking" border="0" ></a></td> <td><a href="links.html" language="JavaScript" onmouseover="document['bt_links_i'].src=bt2_links_i.src" onmouseout="document['bt_links_i'].src=bt1_links_i.src" ><img name="bt_links_i" src="bt_links_i.png" alt="Links" border="0" ></a></td> </tr> </table></td></tr></table><font face="sans-serif"><table width="100%" cellspacing=4><tr><td><br></td></tr><tr><td bgcolor="#808080"><font face="sans-serif" size="+1" color="#ffffff"><b>What is Xpdf?</b></font></td><tr><td><br></td></tr><tr><td><p>Xpdf is an open source viewer for Portable Document Format (PDF)files. (These are also sometimes also called 'Acrobat' files, fromthe name of Adobe's PDF software.) The Xpdf project also includes aPDF text extractor, PDF-to-PostScript converter, and various otherutilities.</p><p>Xpdf runs under the X Window System on UNIX, VMS, and OS/2. The non-Xcomponents (pdftops, pdftotext, etc.) also run on Win32 systems andshould run on pretty much any system with a decent C++ compiler.</p><p>Xpdf is designed to be small and efficient. It can use Type 1,TrueType, or standard X fonts.</p><p>Xpdf should work on pretty much any system which runs X11 and hasUnix-like (POSIX) libraries. You'll need ANSI C++ and C compilers tocompile it. If you compile it for a system not listed on the xpdf webpage, please let me know. If you can't get it to compile on yoursystem, I'll try to help.</p></td></tr><tr><td><br></td></tr><tr><td bgcolor="#808080"><font face="sans-serif" size="+1" color="#ffffff"><b>Distribution conditions</b></font></td><tr><td><br></td></tr><tr><td><p>Xpdf is licensed under the GNU General Public License (GPL), version2. In my opinion, the GPL is a convoluted, confusing, ambiguous mess.But it's also pervasive, and I'm sick of arguing. And even if it isconfusing, the basic idea is good.</p><p>In order to cut down on the confusion a little bit, here are someinformal clarifications:</p><ul><li>I don't mind if you redistribute xpdf in source and/or binary form,as long as you include all of the documentation: README, man pages(or help files), and COPYING. (Note that the README file contains apointer to a web page with the source code.)<li> Selling a CD-ROM that contains xpdf is fine with me, as long as itincludes the documentation. I wouldn't mind receiving a samplecopy, but it's not necessary.<li>If you make useful changes to xpdf, please make the source codeavailable -- post it on a web site, email it to me, whatever.</ul><p>If you're interested in commercial licensing, please see the<a href="http://www.glyphandcog.com/">Glyph & Cog</a> web site.</p></td></tr></table></font></body></html>⌨️ 快捷键说明
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