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<!-- Creator : groff version 1.18.1 --> <!-- CreationDate: Sat Feb 24 18:37:15 2007 --> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta name="Content-Style" content="text/css"> <title>TIFFBUFFER</title> </head> <body> <h1 align=center>TIFFBUFFER</h1> <a href="#NAME">NAME</a><br> <a href="#SYNOPSIS">SYNOPSIS</a><br> <a href="#DESCRIPTION">DESCRIPTION</a><br> <a href="#DIAGNOSTICS">DIAGNOSTICS</a><br> <a href="#SEE ALSO">SEE ALSO</a><br> <hr> <a name="NAME"></a> <h2>NAME</h2> <!-- INDENTATION --> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="8%"></td> <td width="91%"> <p>TIFFReadBufferSetup, TIFFWriteBufferSetup − I/O buffering control routines</p> </td> </table> <a name="SYNOPSIS"></a> <h2>SYNOPSIS</h2> <!-- INDENTATION --> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="8%"></td> <td width="91%"> <pre><b>#include <tiffio.h> int TIFFReadBufferSetup(TIFF *</b><i>tif</i><b>, tdata_t</b> <i>buffer</i><b>, tsize_t</b> <i>size</i><b>); int TIFFWriteBufferSetup(TIFF *</b><i>tif</i><b>, tdata_t</b> <i>buffer</i><b>, tsize_t</b> <i>size</i><b>); </b></pre> </td> </table> <a name="DESCRIPTION"></a> <h2>DESCRIPTION</h2> <!-- INDENTATION --> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="8%"></td> <td width="91%"> <p>The following routines are provided for client-control of the I/O buffers used by the library. Applications need never use these routines; they are provided only for ‘‘intelligent clients’’ that wish to optimize memory usage and/or eliminate potential copy operations that can occur when working with images that have data stored without compression.</p> <!-- INDENTATION --> <p><i>TIFFReadBufferSetup</i> sets up the data buffer used to read raw (encoded) data from a file. If the specified pointer is <small>NULL</small> (zero), then a buffer of the appropriate size is allocated. Otherwise the caller must guarantee that the buffer is large enough to hold any individual strip of raw data. <i>TIFFReadBufferSetup</i> returns a non-zero value if the setup was successful and zero otherwise.</p> <!-- INDENTATION --> <p><i>TIFFWriteBufferSetup</i> sets up the data buffer used to write raw (encoded) data to a file. If the specified <i>size</i> is −1 then the buffer size is selected to hold a complete tile or strip, or at least 8 kilobytes, whichever is greater. If the specified <i>buffer</i> is <small>NULL</small> (zero), then a buffer of the appropriate size is dynamically allocated. <i>TIFFWriteBufferSetup</i> returns a non-zero value if the setup was successful and zero otherwise.</p> </td> </table> <a name="DIAGNOSTICS"></a> <h2>DIAGNOSTICS</h2> <!-- INDENTATION --> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="8%"></td> <td width="91%"> <p><b>%s: No space for data buffer at scanline %ld</b>. <i>TIFFReadBufferSetup</i> was unable to dynamically allocate space for a data buffer.</p> <!-- INDENTATION --> <p><b>%s: No space for output buffer</b>. <i>TIFFWriteBufferSetup</i> was unable to dynamically allocate space for a data buffer.</p> </td> </table> <a name="SEE ALSO"></a> <h2>SEE ALSO</h2> <!-- INDENTATION --> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="8%"></td> <td width="91%"> <p><b>libtiff</b>(3TIFF)</p> <!-- INDENTATION --> <p>Libtiff library home page: <b>http://www.remotesensing.org/libtiff/</b></p> </td> </table> <hr> </body> </html>
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