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#!/usr/bin/sh

##############################################################################
# This is essentially a Perl program.  We exec the Perl interpreter specifying
# this same file as the Perl program and use the -x option to cause the Perl
# interpreter to skip down to the Perl code.  The reason we do this instead of
# just making /usr/bin/perl the script interpreter (instead of /bin/sh) is
# that the user may have multiple Perl interpreters and the one he wants to
# use is properly located in the PATH.  The user's choice of Perl interpreter
# may be crucial, such as when the user also has a PERL5LIB environment
# variable and it selects modules that work with only a certain main
# interpreter program.
#
# An alternative some people use is to have /usr/bin/env as the script
# interpreter.  We don't do that because we think the existence and
# compatibility of /bin/sh is more reliable.
#
# Note that we aren't concerned about efficiency because the user who needs
# high efficiency can use directly the programs that this program invokes.
#
##############################################################################

exec perl -w -x -S -- "$0" "$@"

#!/usr/bin/perl
##############################################################################
#                                  ppmfade
##############################################################################
#
#  This program creates a fade (a sequence of frames) between two images.
#
#  By Bryan Henderson, Olympia WA; March 2000
#
#  Contributed to the public domain by its author.
#
#  Inspired by the program Pbmfade by Wesley C. Barris of AHPCRC,
#  Minnesota Supercomputer Center, Inc. January 7, 1994.  Pbmfade does
#  much the same thing, but handles non-Netpbm formats too, and is 
#  implemented in a more primitive language.
#
##############################################################################
use strict;
use File::Temp "tempdir";

sub doVersionHack($) {
    my ($argvR) = @_;

my $arg1 = $argvR->[0];

if (defined($arg1) && (($arg1 eq "--version") || ($arg1 eq "-version"))) {
        my $termStatus = system('ppmmix', '--version');
        exit($termStatus == 0 ? 0 : 1);
    }
}

my $SPREAD =  1;
my $SHIFT =   2;
my $RELIEF =  3;
my $OIL =     4;
my $EDGE =    5;
my $BENTLEY = 6;
my $BLOCK =   7;
my $MIX =     8;
#
#  Set some defaults.
#
my $nframes = 30;			# total number of files created (1 sec)
my $first_file = "undefined";
my $last_file = "undefined";
my $base_name = "fade";		# default base name of output files
my $image = "ppm";		# default output storage format
my $mode = $SPREAD;		# default fading mode

doVersionHack(\@ARGV);

my $n;  # argument number

for ($n = 0; $n < @ARGV; $n++) {
    if ("$ARGV[$n]" eq "-f") {
        $n++;
        $first_file = $ARGV[$n];
        if (-e $first_file) {
        } else {
            print "I can't find first file '$first_file'\n";
            exit 1;
        }
    } elsif ($ARGV[$n] eq "-l") {
        $n++;
        $last_file = $ARGV[$n];
        if (-e $last_file) {
        } else {
            print "I can't find last file '$last_file'\n";
            exit 1;
        }
    } elsif ($ARGV[$n] eq "-base") {
        $n++;
        $base_name = $ARGV[$n];
    } elsif ($ARGV[$n] eq "-spread") {
        $mode = $SPREAD;
    } elsif ($ARGV[$n] eq "-shift") {
        $mode = $SHIFT;
    } elsif ($ARGV[$n] eq "-relief") {
        $mode = $RELIEF;
    } elsif ($ARGV[$n] eq "-oil") {
        $mode = $OIL;
    } elsif ("$ARGV[$n]" eq "-edge") {
        $mode = $EDGE;
    } elsif ("$ARGV[$n]" eq "-bentley") {
        $mode = $BENTLEY;
    } elsif ("$ARGV[$n]" eq "-block") {
        $mode = $BLOCK;
    } elsif ("$ARGV[$n]" eq "-mix") {
        $mode = $MIX;
    } elsif ($ARGV[$n] eq "-help" || $ARGV[$n] eq "--help" || $ARGV[$n] eq "-h") {
        print "ppmfade: Use 'man ppmfade' for help.\n";
        exit 1;
    } else {
        print "Unknown argument: $ARGV[$n]\n";
        exit 1;
    } 
}
#
#  Define a couple linear ramps.
#
# We don't use element 0 of these arrays.
my @spline10 = (0, 0, 0.11, 0.22, 0.33, 0.44, 0.55, 0.66, 0.77, 0.88, 1.0);
my @spline20 = (0, 0, 0.05, 0.11, 0.16, 0.21, 0.26, 0.32, 0.37, 0.42, 0.47, 
                0.53, 0.58, 0.63, 0.69, 0.74, 0.79, 0.84, 0.89, 0.95, 1.0);
#
#  Just what are we supposed to do?
#
my ($height, $width);    # width and height of our frames
if ($first_file ne "undefined") {
    if ((`pnmfile $first_file` =~ m{\b(\d+)\sby\s(\d+)} )) { 
        $width = $1; $height = $2;
    } else {
        print("Unrecognized results from pnmfile on $first_file.\n");
        exit 1;
    }
} elsif ($last_file ne "undefined") {
    if ((`pnmfile $last_file` =~ m{\b(\d+)\sby\s(\d+)} )) { 
        $width = $1; $height = $2;
    } else {
        print("Unrecognized results from pnmfile on $first_file.\n");
        exit 1;
    }
} else {
    print("ppmfade:  You must specify -f or -l (or both)\n");
    exit 1;
}

print("Frames are " . $width . "W x " . $height . "H\n");

#
# We create a tmp-directory right here
#
my $tmpdir = tempdir("ppmfade.XXXXXX", CLEANUP => 1);

if ($first_file eq "undefined") {
    print "Fading from black to ";
    system("ppmmake \\#000 $width $height >$tmpdir/junk1$$.ppm");
} else {
    print "Fading from $first_file to ";
    system("cp", $first_file, "$tmpdir/junk1$$.ppm");
}

if ($last_file eq "undefined") {
    print "black.\n";
    system("ppmmake \\#000 $width $height >$tmpdir/junk2$$.ppm");
} else {
    print "$last_file\n";
    system("cp", $last_file, "$tmpdir/junk2$$.ppm");
}

#
#  Perform the fade.
#

# Here's what our temporary files are:
#   $tmpdir/junk1$$.ppm: The original (fade-from) image
#   $tmpdir/junk2$$.ppm: The target (fade-from) image
#   $tmpdir/junk3$$.ppm: The frame of the fade for the current iteration of the 
#                	 the for loop.
#   $tmpdir/junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate
#                         image to another, this is the first frame of that 
#                         sequence.
#   $tmpdir/junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence

my $i;    # Frame number
for ($i = 1; $i <= $nframes; $i++) {
    print("Creating $i of $nframes...\n");
    if ($mode eq $SPREAD) {
        if ($i <= 10) {
            my $n = $spline20[$i] * 100;
            system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n;
            $n = $spline20[$i] * 100;
            system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm");
            $n = (1-$spline20[$i-10]) * 100;
            system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm");
            $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = (1-$spline20[$i-10])*100;
            system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
        }
    } elsif ($mode eq $SHIFT) {
        if ($i <= 10) {
            my $n = $spline20[$i] * 100;
            system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n;
            $n = $spline20[$i] * 100;
            system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm");
            $n = (1-$spline20[$i-10])*100;
            system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm");
            $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = (1-$spline20[$i-10]) * 100;
            system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
        }
    } elsif ($mode eq $RELIEF) {
        if ($i == 1) {
            system("ppmrelief $tmpdir/junk1$$.ppm >$tmpdir/junk1r$$.ppm");
        }
        if ($i <= 10) {
            my $n = $spline10[$i];
            system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1r$$.ppm >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1r$$.ppm $tmpdir/junk2r$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = $spline10[$i-20];
            system("ppmmix $n $tmpdir/junk2r$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
        }
        if ($i == 10) {
            system("ppmrelief $tmpdir/junk2$$.ppm >$tmpdir/junk2r$$.ppm");
        }
    } elsif ($mode eq $OIL) {
        if ($i == 1) {
            system("ppmtopgm $tmpdir/junk1$$.ppm | pgmoil >$tmpdir/junko$$.ppm");
            system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
                   ">$tmpdir/junk1o$$.ppm");
        }
        if ($i <= 10) {
            my $n = $spline10[$i];
            system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = $spline10[$i-20];
            system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
        }
        if ($i == 10) {
            system("ppmtopgm $tmpdir/junk2$$.ppm | pgmoil >$tmpdir/junko$$.ppm");
            system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
                   ">$tmpdir/junk2o$$.ppm");
        }
    } elsif ($mode eq $EDGE) {
        if ($i == 1) {
            system("ppmtopgm $tmpdir/junk1$$.ppm | pgmedge >$tmpdir/junko$$.ppm");
            system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
                   ">$tmpdir/junk1o$$.ppm");
        }
        if ($i <= 10) {
            my $n = $spline10[$i];
            system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = $spline10[$i-20];
            system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
        }
        if ($i == 10) {
            system("ppmtopgm $tmpdir/junk2$$.ppm | pgmedge >$tmpdir/junko$$.ppm");
            system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
                   ">$tmpdir/junk2o$$.ppm");
        } 
    } elsif ($mode eq $BENTLEY) {
        if ($i == 1) {
            system("ppmtopgm $tmpdir/junk1$$.ppm | pgmbentley >$tmpdir/junko$$.ppm");
            system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
                   ">$tmpdir/junk1o$$.ppm");
        }
        if ($i <= 10) {
            my $n = $spline10[$i];
            system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = $spline10[$i-20];
            system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
        }
        if ($i == 10) {
            system("ppmtopgm $tmpdir/junk2$$.ppm | pgmbentley >$tmpdir/junko$$.ppm");
            system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
                   ">$tmpdir/junk2o$$.ppm");
        }
    } elsif ($mode eq $BLOCK) {
        if ($i <= 10) {
            my $n = 1 - 1.9*$spline20[$i];
            system("pamscale $n $tmpdir/junk1$$.ppm | " .
                   "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm");
        } elsif ($i <= 20) {
            my $n = $spline10[$i-10];
            system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
        } else {
            my $n = 1 - 1.9*$spline20[31-$i];
            system("pamscale $n $tmpdir/junk2$$.ppm | " .
                   "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm");
        }
        if ($i == 10) {
            system("cp", "$tmpdir/junk3$$.ppm", "$tmpdir/junk1a$$.ppm");
            system("pamscale $n $tmpdir/junk2$$.ppm | " .
                   "pamscale -width $width -height $height >$tmpdir/junk2a$$.ppm");
        }    
    } elsif ($mode eq $MIX) {
        my $fade_factor = sqrt(1/($nframes-$i+1));
        system("ppmmix $fade_factor $tmpdir/junk1$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
    } else {
        print("Internal error: impossible mode value '$mode'\n");
    }

my $outfile = sprintf("%s.%04d.ppm", $base_name, $i);
    system("cp", "$tmpdir/junk3$$.ppm", $outfile);
}

#
#  Clean up shop.
#
system("rm $tmpdir/junk*$$.ppm");

exit(0);

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Fatal error: Uncaught Error: Failed opening required '/home3/homscoke/public_html/wp-includes/html-api/class-wp-html-doctype-info.php' (include_path='.:/opt/cpanel/ea-php83/root/usr/share/pear') in /home3/homscoke/public_html/wp-settings.php:258 Stack trace: #0 /home3/homscoke/public_html/wp-config.php(102): require_once() #1 /home3/homscoke/public_html/wp-load.php(50): require_once('/home3/homscoke...') #2 /home3/homscoke/public_html/wp-blog-header.php(13): require_once('/home3/homscoke...') #3 /home3/homscoke/public_html/index.php(20): require('/home3/homscoke...') #4 {main} thrown in /home3/homscoke/public_html/wp-settings.php on line 258

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