diff --git a/editor/ppmfade b/editor/ppmfade
index dcd7bf2..5091651 100755
--- a/editor/ppmfade
+++ b/editor/ppmfade
@@ -40,6 +40,7 @@ exec perl -w -x -S -- "$0" "$@"
#
##############################################################################
use strict;
+use File::Temp "tempdir";
sub doVersionHack($) {
my ($argvR) = @_;
@@ -149,20 +150,26 @@ if ($first_file ne "undefined") {
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 >junk1$$.ppm");
+ system("ppmmake \\#000 $width $height >$tmpdir/junk1$$.ppm");
} else {
print "Fading from $first_file to ";
- system("cp", $first_file, "junk1$$.ppm");
+ system("cp", $first_file, "$tmpdir/junk1$$.ppm");
}
if ($last_file eq "undefined") {
print "black.\n";
- system("ppmmake \\#000 $width $height >junk2$$.ppm");
+ system("ppmmake \\#000 $width $height >$tmpdir/junk2$$.ppm");
} else {
print "$last_file\n";
- system("cp", $last_file, "junk2$$.ppm");
+ system("cp", $last_file, "$tmpdir/junk2$$.ppm");
}
#
@@ -170,14 +177,14 @@ if ($last_file eq "undefined") {
#
# Here's what our temporary files are:
-# junk1$$.ppm: The original (fade-from) image
-# junk2$$.ppm: The target (fade-from) image
-# junk3$$.ppm: The frame of the fade for the current iteration of the
-# the for loop.
-# junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate
-# image to another, this is the first frame of that
-# sequence.
-# junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence
+# $tmpdir/junk1$$.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; $i++) {
@@ -185,147 +192,147 @@ for ($i = 1; $i <= $nframes; $i++) {
if ($mode eq $SPREAD) {
if ($i <= 10) {
my $n = $spline20[$i] * 100;
- system("ppmspread $n junk1$$.ppm >junk3$$.ppm");
+ system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm");
} elsif ($i <= 20) {
my $n;
$n = $spline20[$i] * 100;
- system("ppmspread $n junk1$$.ppm >junk1a$$.ppm");
+ system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm");
$n = (1-$spline20[$i-10]) * 100;
- system("ppmspread $n junk2$$.ppm >junk2a$$.ppm");
+ system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm");
$n = $spline10[$i-10];
- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = (1-$spline20[$i-10])*100;
- system("ppmspread $n junk2$$.ppm >junk3$$.ppm");
+ system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
}
} elsif ($mode eq $SHIFT) {
if ($i <= 10) {
my $n = $spline20[$i] * 100;
- system("ppmshift $n junk1$$.ppm >junk3$$.ppm");
+ system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm");
} elsif ($i <= 20) {
my $n;
$n = $spline20[$i] * 100;
- system("ppmshift $n junk1$$.ppm >junk1a$$.ppm");
+ system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm");
$n = (1-$spline20[$i-10])*100;
- system("ppmshift $n junk2$$.ppm >junk2a$$.ppm");
+ system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm");
$n = $spline10[$i-10];
- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = (1-$spline20[$i-10]) * 100;
- system("ppmshift $n junk2$$.ppm >junk3$$.ppm");
+ system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
}
} elsif ($mode eq $RELIEF) {
if ($i == 1) {
- system("ppmrelief junk1$$.ppm >junk1r$$.ppm");
+ system("ppmrelief $tmpdir/junk1$$.ppm >$tmpdir/junk1r$$.ppm");
}
if ($i <= 10) {
my $n = $spline10[$i];
- system("ppmmix $n junk1$$.ppm junk1r$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1r$$.ppm >$tmpdir/junk3$$.ppm");
} elsif ($i <= 20) {
my $n = $spline10[$i-10];
- system("ppmmix $n junk1r$$.ppm junk2r$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1r$$.ppm $tmpdir/junk2r$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = $spline10[$i-20];
- system("ppmmix $n junk2r$$.ppm junk2$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk2r$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
}
if ($i == 10) {
- system("ppmrelief junk2$$.ppm >junk2r$$.ppm");
+ system("ppmrelief $tmpdir/junk2$$.ppm >$tmpdir/junk2r$$.ppm");
}
} elsif ($mode eq $OIL) {
if ($i == 1) {
- system("ppmtopgm junk1$$.ppm | pgmoil >junko$$.ppm");
- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
- ">junk1o$$.ppm");
+ 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 junk1$$.ppm junk1o$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
} elsif ($i <= 20) {
my $n = $spline10[$i-10];
- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = $spline10[$i-20];
- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
}
if ($i == 10) {
- system("ppmtopgm junk2$$.ppm | pgmoil >junko$$.ppm");
- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
- ">junk2o$$.ppm");
+ 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 junk1$$.ppm | pgmedge >junko$$.ppm");
- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
- ">junk1o$$.ppm");
+ 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 junk1$$.ppm junk1o$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
} elsif ($i <= 20) {
my $n = $spline10[$i-10];
- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = $spline10[$i-20];
- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
}
if ($i == 10) {
- system("ppmtopgm junk2$$.ppm | pgmedge >junko$$.ppm");
- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
- ">junk2o$$.ppm");
+ 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 junk1$$.ppm | pgmbentley >junko$$.ppm");
- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
- ">junk1o$$.ppm");
+ 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 junk1$$.ppm junk1o$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
} elsif ($i <= 20) {
my $n = $spline10[$i-10];
- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = $spline10[$i-20];
- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
}
if ($i == 10) {
- system("ppmtopgm junk2$$.ppm | pgmbentley >junko$$.ppm");
- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
- ">junk2o$$.ppm");
+ 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 junk1$$.ppm | " .
- "pamscale -width $width -height $height >junk3$$.ppm");
+ 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 junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm");
+ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
} else {
my $n = 1 - 1.9*$spline20[31-$i];
- system("pamscale $n junk2$$.ppm | " .
- "pamscale -width $width -height $height >junk3$$.ppm");
+ system("pamscale $n $tmpdir/junk2$$.ppm | " .
+ "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm");
}
if ($i == 10) {
- system("cp", "junk3$$.ppm", "junk1a$$.ppm");
- system("pamscale $n junk2$$.ppm | " .
- "pamscale -width $width -height $height >junk2a$$.ppm");
+ 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 junk1$$.ppm junk2$$.ppm >junk3$$.ppm");
+ system("ppmmix $fade_factor $tmpdir/junk1$$.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", "junk3$$.ppm", $outfile);
+ system("cp", "$tmpdir/junk3$$.ppm", $outfile);
}
#
# Clean up shop.
#
-system("rm junk*$$.ppm");
+system("rm $tmpdir/junk*$$.ppm");
exit(0);