<!-- manual page source format generated by PolyglotMan v3.2, --> <!-- available at http://polyglotman.sourceforge.net/ --> <html> <head> <title>IM_SUBSAMPLE(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_subsample - subsample image by integer factor <h2><a name='sect1' href='#toc1'>Synopsis</a></h2> #include <vips/vips.h> <p> int im_subsample(in, out, xsub, ysub) <br> IMAGE *in, *out; <br> int xsub, ysub; <p> <h2><a name='sect2' href='#toc2'>Description</a></h2> <b>im_subsample()</b> sub-samples image in by an x and y integer factor. It is much faster than im_shrink(), especially for large partial images. <p> It works for any image type. <h2><a name='sect3' href='#toc3'>Return Value</a></h2> The function returns 0 on success and -1 on error. <h2><a name='sect4' href='#toc4'>See Also</a></h2> <a href='im_shrink.3.html'>im_shrink(3)</a> , <a href='im_similarity.3.html'>im_similarity(3)</a> , <a href='im_zoom.3.html'>im_zoom(3)</a> <h2><a name='sect5' href='#toc5'>Copyright</a></h2> 1989-1996 The National Gallery and Birkbeck College <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'>Return Value</a></li> <li><a name='toc4' href='#sect4'>See Also</a></li> <li><a name='toc5' href='#sect5'>Copyright</a></li> </ul> </body> </html>
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