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<!doctype refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN" [
<!-- Process this file with docbook-to-man to generate an nroff manual
page: `docbook-to-man manpage.sgml > manpage.1'. You may view
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less'. A typical entry in a Makefile or Makefile.am is:
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<!-- Fill in your name for FIRSTNAME and SURNAME. -->
<!ENTITY dhfirstname "<firstname>UWE</firstname>">
<!ENTITY dhsurname "<surname>STEINMANN</surname>">
<!-- Please adjust the date whenever revising the manpage. -->
<!ENTITY dhdate "<date>March 28, 2011</date>">
<!-- SECTION should be 1-8, maybe w/ subsection other parameters are
allowed: see man(7), man(1). -->
<!ENTITY dhsection "<manvolnum>3</manvolnum>">
<!ENTITY dhemail "<email>uwe@steinmann.cx</email>">
<!ENTITY dhusername "Uwe Steinmann">
<!ENTITY dhucpackage "<refentrytitle>PS_OPEN_IMAGE_FILE</refentrytitle>">
<!ENTITY funcname "PS_open_image_file">
<!ENTITY debian "<productname>Debian</productname>">
<!ENTITY gnu "<acronym>GNU</acronym>">
<!ENTITY gpl "&gnu; <acronym>GPL</acronym>">
]>
<refentry>
<refentryinfo>
<address>
&dhemail;
</address>
<author>
&dhfirstname;
&dhsurname;
</author>
<copyright>
<year>2003-2011</year>
<holder>&dhusername;</holder>
</copyright>
&dhdate;
</refentryinfo>
<refmeta>
&dhucpackage;
&dhsection;
</refmeta>
<refnamediv>
<refname>&funcname;</refname>
<refpurpose>Opens an image from file</refpurpose>
</refnamediv>
<refsynopsisdiv>
<para>#include <pslib.h></para>
<para>int &funcname;(PSDoc *psdoc, const char *type, const char *filename, const char *stringparam, int intparam)</para>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>This function reads image data from a file. It can read png, jpeg,
gif, tiff, and eps files. png, jpeg, gif, and tiff images can only
be read if pslib has been compiled with support for those formats.
Once an image has been loaded it can be placed on a page with
<function>PS_place_image(3)</function>.</para>
<para>Since version 0.4.5 of pslib images are read by default for later
reuse. This means that the image is saved into a so called reusable
stream object. Later calls of <function>PS_place_image(3)</function>
will only put a short
sequence of postscript code into the output file replaying the image.
This reduces the overall postscript file size, speeds up its processing by
the postscript rip and allows to place images into templates. This
behaviour can be turned off by setting the parameter `imagereuse'
to false with <function>PS_set_parameter(3)</function>.</para>
</refsect1>
<refsect1>
<title>RETURN VALUE</title>
<para>Returns identifier of image or zero in case of an error.
The identifier is a positiv number greater 0.</para>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
<para>PS_open_image(3), PS_place_image(3), PS_close_image(3)</para>
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>This manual page was written by &dhusername; &dhemail;.</para>
</refsect1>
</refentry>
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