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diff --git a/obsolete/support/png2pdf/DOCU/interpolate.html b/obsolete/support/png2pdf/DOCU/interpolate.html new file mode 100644 index 0000000000..98a4ca49ea --- /dev/null +++ b/obsolete/support/png2pdf/DOCU/interpolate.html @@ -0,0 +1,73 @@ +<html> +<head> +<title>png2pdf - Convert PNG images to PDF</title> +<link rel="stylesheet" type="text/css" href="style.css"> +</head> +<body> +<div class="header"> +<p> +<table width="100%" class="headertable"> +<tr class="headertr"> +<td class="headertdleft"><h1>png2pdf</h1></td> +<td class="headertdright" rowspan="2"> +<a target="_blank" href="http://sourceforge.net/"><img src="sflogo.png" width="210" height="62" border="0" alt="SourceForge.net Logo"/></a> +</td> +</tr> +<td class="headertdleft"><span class="subtitle">Convert <u>PNG</u> images <u>to</u> <u>PDF</u></span></td> +</tr> +</table> +<table width="100%" class="navimenutable"> +<tr class="navimenutr"> +<td class="navimenutd"> +<span class="navimenucurrent">Overview</span> / <a class="navimenulink" href="install.html">Installation</a> / <a class="navimenulink" href="usage.html">Usage</a> / <a class="navimenulink" href="ppgui.html">GUI</a> / <a class="navimenulink" href="faq.html">FAQ</a> / <a class="navimenulink" href="changes.html">Change Log</a> / <a class="navimenulink" href="projects.html">Other Projects</a> +</td> +</tr> +</table> +</p> +</div> +<div class="text"> +<table width="100%"> +<tr> +<td class="h2tdleft"><h2>Image interpolation</h2></td> +<td class="h2tdright"><a class="smallotherlink" href="png2pdf.pdf">PDF manual "png2pdf.pdf" available</a></td> +</tr> +</table> +<p> +Image interpolation can be used to obtain smoother color transition +when low-resolution bitmap images are rendered to large screen areas +or print areas.<br> +The examples are from screenshots of the SourceForge logo converted to PDF +and shown expanded to fit the page width.<br> +The first conversion was done without setting an Interpolate entry +in the image dictionary, the second one uses the Interpolate entry. +</p> +<p align="center"> +<img src="sfl1.png"><br> +Figure 1: Image without interpolation +</p> +<p align="center"> +<img src="sfl2.png"><br> +Figure 2: Interpolated image +</p> +<p> +As seen in the images above interpolated images may look better +on screen than images without interpolation.<br> +When using png2pdf's interpolation option keep in mind that +the interpolation algorithm used to show the image depends on both the +viewer software used and the output device. +</p> +</div> +<div class="footer"> +<p> +<table width="100%" class="footertable"> +<tr class="footertr"> +<td class="footertdleft">Dirk Krause</td> +<td class="footertdcenter">http://png2pdf.sourceforge.net</td> +<td class="footertdright">2005/02/01</td> +</tr> +</table> +</p> +</div> +</body> +</html> + |