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.\" ========================================================================
.\"
.IX Title "Image::Info::XPM 3"
.TH Image::Info::XPM 3 "2011-12-28" "perl v5.16.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Image::Info::XPM \- XPM support for Image::Info
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Image::Info qw(image_info dim);
\&
\& my $info = image_info("image.xpm");
\& if (my $error = $info\->{error}) {
\&     die "Can\*(Aqt parse image info: $error\en";
\& }
\& my $color = $info\->{color_type};
\&
\& my($w, $h) = dim($info);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This modules supplies the standard key names
except for Compression, Gamma, Interlace, LastModificationTime, as well as:
.IP "ColorPalette" 4
.IX Item "ColorPalette"
Reference to an array of all colors used.
This key is only present if \f(CW\*(C`image_info\*(C'\fR is invoked
as \f(CW\*(C`image_info($file, ColorPalette>=1)\*(C'\fR.
.IP "ColorTableSize" 4
.IX Item "ColorTableSize"
The number of colors the image uses.
.IP "HotSpotX" 4
.IX Item "HotSpotX"
The x\-coord of the image's hotspot.
Set to \-1 if there is no hotspot.
.IP "HotSpotY" 4
.IX Item "HotSpotY"
The y\-coord of the image's hotspot.
Set to \-1 if there is no hotspot.
.IP "L1D_Histogram" 4
.IX Item "L1D_Histogram"
Reference to an array representing a one dimensional luminance
histogram. This key is only present if \f(CW\*(C`image_info\*(C'\fR is invoked
as \f(CW\*(C`image_info($file, L1D_Histogram=>1)\*(C'\fR. The range is from 0 to 255,
however auto-vivification is used so a null field is also 0,
and the array may not actually contain 255 fields.
.IP "XPM_CharactersPerPixel" 4
.IX Item "XPM_CharactersPerPixel"
This is typically 1 or 2. See Image::Xpm.
.IP "XPM_Extension\-.*" 4
.IX Item "XPM_Extension-.*"
\&\s-1XPM\s0 Extensions (the most common is \s-1XPMEXT\s0) if present.
.SH "METHODS"
.IX Header "METHODS"
.SS "\fIprocess_file()\fP"
.IX Subsection "process_file()"
.Vb 1
\&        $info\->process_file($source, $options);
.Ve
.PP
Processes one file and sets the found info fields in the \f(CW$info\fR object.
.SH "FILES"
.IX Header "FILES"
This module requires Image::Xpm
.PP
\&\fI\f(CI$Image::Info::XPM::RGBLIB\fI\fR is set to \fI/usr/X11R6/lib/X11/rgb.txt\fR
or an equivalent path (see the \f(CW\*(C`_get_rgb_txt\*(C'\fR function for the
complete list) by default, this is used to resolve textual color names
to their \s-1RGB\s0 counterparts.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Image::Info, Image::Xpm
.SH "NOTES"
.IX Header "NOTES"
For more information about \s-1XPM\s0 see
<ftp://ftp.x.org/contrib/libraries/xpm\-README.html>
.SH "CAVEATS"
.IX Header "CAVEATS"
While the module attempts to be as robust as possible, it may not recognize
older XPMs (Versions 1\-3), if this is the case try inserting /*\ \s-1XPM\s0\ */
as the first line.
.SH "AUTHOR"
.IX Header "AUTHOR"
Jerrad Pierce <belg4mit@mit.edu>/<webmaster@pthbb.org>
.PP
Tels \- (c) 2006.
.PP
Now maintained by Slaven Rezic <srezic@cpan.org>.
.PP
This library is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
