Sophie

Sophie

distrib > Mandriva > 2010.0 > i586 > media > contrib-release > by-pkgid > 7faa4cd12598db7d59564e3dc9a0913c > files > 441

vips-7.18.2-1mdv2010.0.i586.rpm

<!-- manual page source format generated by PolyglotMan v3.2, -->
<!-- available at http://polyglotman.sourceforge.net/ -->

<html>
<head>
<title>IM_PNG(3) manual page</title>
</head>
<body bgcolor='white'>
<a href='#toc'>Table of Contents</a><p>

<h2><a name='sect0' href='#toc0'>Name</a></h2>
im_png2vips, im_png2vips - convert PNG images to and from VIPS format

<h2><a name='sect1' href='#toc1'>Synopsis</a></h2>
#include &lt;vips/vips.h&gt; 
<p> int im_png2vips( const char *filename, IMAGE
*out ) 
<p> int im_vips2png( IMAGE *in, const char *filename )  
<p> 
<h2><a name='sect2' href='#toc2'>Description</a></h2>
<a href='im_png2vips.3.html'><b>im_png2vips(3)</a>

</b> reads the png image in filename, and writes the image out in VIPS format.
 
<p> <a href='im_vips2png.3.html'><b>im_vips2png(3)</a>
 </b> reads the image in and writes a PNG file to the specified
filename. The filename may include an optional mode string, following a
&rsquo;:&rsquo; character, which you can use to specify compression and interlace.  
<p> The
mode string has the following syntax: 
<p>   &lt;compression&gt;,&lt;interlace&gt;<br>
 
<p> where &lt;compression&gt; is an integer between 0 and 9 specifying the amount
of compression (6 is the default), and &lt;interlace&gt; is 0 for no interlace
(this is the default) and 1 for ADAM7 interlace.  
<p> Beware that writing an
interlaced image is potentially up to 7 times slower than writing a non-interlaced
image. 
<p> The image is automatically converted to RGB or Monochrome (with
an optional alpha channel) before saving.  
<p> 
<h2><a name='sect3' href='#toc3'>Examples</a></h2>

<p> The call: 
<p>   im_vips2png
fred.v fred.png <br>
 
<p> Writes a compression 6, uninterlaced PNG image.  
<p>   im_vips2png fred.v
fred.tif:,1<br>
 
<p> Writes an interlaced image.  
<p> 
<h2><a name='sect4' href='#toc4'>See Also</a></h2>
<a href='im_open.3.html'>im_open(3)</a>
, <a href='im_vips2tiff.3.html'>im_vips2tiff(3)</a>
 
<h2><a name='sect5' href='#toc5'>Copyright</a></h2>
Hey,
you want this? You have it! <p>

<hr><p>
<a name='toc'><b>Table of Contents</b></a><p>
<ul>
<li><a name='toc0' href='#sect0'>Name</a></li>
<li><a name='toc1' href='#sect1'>Synopsis</a></li>
<li><a name='toc2' href='#sect2'>Description</a></li>
<li><a name='toc3' href='#sect3'>Examples</a></li>
<li><a name='toc4' href='#sect4'>See Also</a></li>
<li><a name='toc5' href='#sect5'>Copyright</a></li>
</ul>
</body>
</html>