102 lines
2.8 KiB
HTML
102 lines
2.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML><HEAD><TITLE>Manpage of TIFFBUFFER</TITLE>
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</HEAD><BODY BGCOLOR=WHITE><FONT FACE="helvetica, sans, arial">
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<H1>TIFFBUFFER</H1>
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Section: Misc. Reference Manual Pages (3T)<BR>Updated: October 15, 1995<BR><A HREF="#index">Index</A>
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<BR><A HREF="index.html">Return to Main Contents</A>
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<HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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TIFFReadBufferSetup,
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TIFFWriteBufferSetup
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- I/O buffering control routines
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<PRE>
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<B>#include <<A HREF="file:/usr/include/tiffio.h">tiffio.h</A>></B>
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<B>int TIFFReadBufferSetup(TIFF*, tdata_t buffer, tsize_t size);</B>
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<B>int TIFFWriteBufferSetup(TIFF*, tdata_t buffer, tsize_t size);</B>
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</PRE>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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The following routines are provided for client-control of the
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I/O buffers used by the library.
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Applications need never use these routines; they are provided only
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for ``intelligent clients'' that wish to optimize memory usage and/or
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eliminate potential copy operations that can occur when working with
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images that have data stored without compression.
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<P>
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<I>TIFFReadBufferSetup</I>
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sets up the data buffer used to read raw (encoded) data from a file.
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If the specified pointer is
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<FONT SIZE="-1">NULL</FONT>
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(zero), then a buffer of the appropriate size is allocated.
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Otherwise the caller must guarantee that the buffer is large
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enough to hold any individual strip of raw data.
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<I>TIFFReadBufferSetup</I>
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returns a non-zero value if the setup was successful and zero otherwise.
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<P>
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<I>TIFFWriteBufferSetup</I>
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sets up the data buffer used to write raw (encoded) data to a file.
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If the specified
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<I>size</I>
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is -1 then the buffer size is selected to hold a complete
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tile or strip, or at least 8 kilobytes, whichever is greater.
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If the specified
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<I>buffer</I>
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is
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<FONT SIZE="-1">NULL</FONT>
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(zero), then a buffer of the appropriate size is dynamically allocated.
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<I>TIFFWriteBufferSetup</I>
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returns a non-zero value if the setup was successful and zero otherwise.
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<A NAME="lbAE"> </A>
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<H2>DIAGNOSTICS</H2>
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<B>%s: No space for data buffer at scanline %ld</B>.
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<I>TIFFReadBufferSetup</I>
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was unable to dynamically allocate space for a data buffer.
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<P>
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<B>%s: No space for output buffer</B>.
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<I>TIFFWriteBufferSetup</I>
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was unable to dynamically allocate space for a data buffer.
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<A NAME="lbAF"> </A>
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<H2>SEE ALSO</H2>
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<I><A HREF="libtiff.3t.html">libtiff</A></I>(3T)
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT><A HREF="#lbAB">NAME</A><DD>
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<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT><A HREF="#lbAE">DIAGNOSTICS</A><DD>
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<DT><A HREF="#lbAF">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="index.html">man2html</A>,
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using the manual pages.<BR>
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Time: 01:31:39 GMT, November 23, 1999
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</HTML>
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