267 lines
12 KiB
Diff
267 lines
12 KiB
Diff
diff -up netpbm-10.47.05/editor/ppmfade.security-scripts netpbm-10.47.05/editor/ppmfade
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--- netpbm-10.47.05/editor/ppmfade.security-scripts 2009-12-10 08:34:32.000000000 +0100
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+++ netpbm-10.47.05/editor/ppmfade 2010-03-16 21:28:09.000000000 +0100
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@@ -14,6 +14,7 @@
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#
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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use strict;
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+use File::Temp "tempdir";
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my $SPREAD = 1;
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my $SHIFT = 2;
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@@ -111,20 +112,26 @@ if ($first_file ne "undefined") {
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print("Frames are " . $width . "W x " . $height . "H\n");
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+#
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+# We create a tmp-directory right here
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+#
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+my $tmpdir = tempdir("ppmfade.XXXXXX", CLEANUP => 1);
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+
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+
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if ($first_file eq "undefined") {
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print "Fading from black to ";
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- system("ppmmake \\#000 $width $height >junk1$$.ppm");
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+ system("ppmmake \\#000 $width $height >$tmpdir/junk1$$.ppm");
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} else {
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print "Fading from $first_file to ";
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- system("cp", $first_file, "junk1$$.ppm");
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+ system("cp", $first_file, "$tmpdir/junk1$$.ppm");
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}
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if ($last_file eq "undefined") {
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print "black.\n";
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- system("ppmmake \\#000 $width $height >junk2$$.ppm");
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+ system("ppmmake \\#000 $width $height >$tmpdir/junk2$$.ppm");
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} else {
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print "$last_file\n";
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- system("cp", $last_file, "junk2$$.ppm");
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+ system("cp", $last_file, "$tmpdir/junk2$$.ppm");
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}
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#
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@@ -132,14 +139,14 @@ if ($last_file eq "undefined") {
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#
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# Here's what our temporary files are:
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-# junk1$$.ppm: The original (fade-from) image
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-# junk2$$.ppm: The target (fade-from) image
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-# junk3$$.ppm: The frame of the fade for the current iteration of the
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-# the for loop.
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-# junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate
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-# image to another, this is the first frame of that
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-# sequence.
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-# junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence
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+# $tmpdir/junk1$$.ppm: The original (fade-from) image
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+# $tmpdir/junk2$$.ppm: The target (fade-from) image
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+# $tmpdir/junk3$$.ppm: The frame of the fade for the current iteration of the
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+# the for loop.
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+# $tmpdir/junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate
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+# image to another, this is the first frame of that
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+# sequence.
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+# $tmpdir/junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence
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my $i; # Frame number
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for ($i = 1; $i <= $nframes; $i++) {
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@@ -147,147 +154,147 @@ for ($i = 1; $i <= $nframes; $i++) {
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if ($mode eq $SPREAD) {
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if ($i <= 10) {
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my $n = $spline20[$i] * 100;
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- system("ppmspread $n junk1$$.ppm >junk3$$.ppm");
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+ system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n;
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$n = $spline20[$i] * 100;
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- system("ppmspread $n junk1$$.ppm >junk1a$$.ppm");
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+ system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm");
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$n = (1-$spline20[$i-10]) * 100;
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- system("ppmspread $n junk2$$.ppm >junk2a$$.ppm");
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+ system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm");
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$n = $spline10[$i-10];
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- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = (1-$spline20[$i-10])*100;
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- system("ppmspread $n junk2$$.ppm >junk3$$.ppm");
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+ system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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}
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} elsif ($mode eq $SHIFT) {
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if ($i <= 10) {
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my $n = $spline20[$i] * 100;
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- system("ppmshift $n junk1$$.ppm >junk3$$.ppm");
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+ system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n;
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$n = $spline20[$i] * 100;
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- system("ppmshift $n junk1$$.ppm >junk1a$$.ppm");
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+ system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm");
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$n = (1-$spline20[$i-10])*100;
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- system("ppmshift $n junk2$$.ppm >junk2a$$.ppm");
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+ system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm");
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$n = $spline10[$i-10];
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- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = (1-$spline20[$i-10]) * 100;
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- system("ppmshift $n junk2$$.ppm >junk3$$.ppm");
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+ system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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}
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} elsif ($mode eq $RELIEF) {
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if ($i == 1) {
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- system("ppmrelief junk1$$.ppm >junk1r$$.ppm");
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+ system("ppmrelief $tmpdir/junk1$$.ppm >$tmpdir/junk1r$$.ppm");
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}
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if ($i <= 10) {
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my $n = $spline10[$i];
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- system("ppmmix $n junk1$$.ppm junk1r$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1r$$.ppm >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n = $spline10[$i-10];
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- system("ppmmix $n junk1r$$.ppm junk2r$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1r$$.ppm $tmpdir/junk2r$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = $spline10[$i-20];
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- system("ppmmix $n junk2r$$.ppm junk2$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk2r$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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}
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if ($i == 10) {
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- system("ppmrelief junk2$$.ppm >junk2r$$.ppm");
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+ system("ppmrelief $tmpdir/junk2$$.ppm >$tmpdir/junk2r$$.ppm");
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}
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} elsif ($mode eq $OIL) {
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if ($i == 1) {
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- system("ppmtopgm junk1$$.ppm | pgmoil >junko$$.ppm");
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- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
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- ">junk1o$$.ppm");
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+ system("ppmtopgm $tmpdir/junk1$$.ppm | pgmoil >$tmpdir/junko$$.ppm");
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+ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
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+ ">$tmpdir/junk1o$$.ppm");
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}
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if ($i <= 10) {
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my $n = $spline10[$i];
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- system("ppmmix $n junk1$$.ppm junk1o$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n = $spline10[$i-10];
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- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = $spline10[$i-20];
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- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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}
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if ($i == 10) {
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- system("ppmtopgm junk2$$.ppm | pgmoil >junko$$.ppm");
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- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
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- ">junk2o$$.ppm");
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+ system("ppmtopgm $tmpdir/junk2$$.ppm | pgmoil >$tmpdir/junko$$.ppm");
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+ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
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+ ">$tmpdir/junk2o$$.ppm");
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}
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} elsif ($mode eq $EDGE) {
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if ($i == 1) {
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- system("ppmtopgm junk1$$.ppm | pgmedge >junko$$.ppm");
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- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
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- ">junk1o$$.ppm");
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+ system("ppmtopgm $tmpdir/junk1$$.ppm | pgmedge >$tmpdir/junko$$.ppm");
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+ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
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+ ">$tmpdir/junk1o$$.ppm");
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}
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if ($i <= 10) {
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my $n = $spline10[$i];
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- system("ppmmix $n junk1$$.ppm junk1o$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n = $spline10[$i-10];
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- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = $spline10[$i-20];
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- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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}
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if ($i == 10) {
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- system("ppmtopgm junk2$$.ppm | pgmedge >junko$$.ppm");
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- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
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- ">junk2o$$.ppm");
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+ system("ppmtopgm $tmpdir/junk2$$.ppm | pgmedge >$tmpdir/junko$$.ppm");
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+ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
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+ ">$tmpdir/junk2o$$.ppm");
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}
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} elsif ($mode eq $BENTLEY) {
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if ($i == 1) {
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- system("ppmtopgm junk1$$.ppm | pgmbentley >junko$$.ppm");
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- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
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- ">junk1o$$.ppm");
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+ system("ppmtopgm $tmpdir/junk1$$.ppm | pgmbentley >$tmpdir/junko$$.ppm");
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+ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
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+ ">$tmpdir/junk1o$$.ppm");
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}
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if ($i <= 10) {
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my $n = $spline10[$i];
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- system("ppmmix $n junk1$$.ppm junk1o$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n = $spline10[$i-10];
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- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = $spline10[$i-20];
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- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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}
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if ($i == 10) {
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- system("ppmtopgm junk2$$.ppm | pgmbentley >junko$$.ppm");
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- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " .
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- ">junk2o$$.ppm");
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+ system("ppmtopgm $tmpdir/junk2$$.ppm | pgmbentley >$tmpdir/junko$$.ppm");
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+ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " .
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+ ">$tmpdir/junk2o$$.ppm");
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}
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} elsif ($mode eq $BLOCK) {
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if ($i <= 10) {
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my $n = 1 - 1.9*$spline20[$i];
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- system("pamscale $n junk1$$.ppm | " .
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- "pamscale -width $width -height $height >junk3$$.ppm");
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+ system("pamscale $n $tmpdir/junk1$$.ppm | " .
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+ "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm");
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} elsif ($i <= 20) {
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my $n = $spline10[$i-10];
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- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm");
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+ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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my $n = 1 - 1.9*$spline20[31-$i];
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- system("pamscale $n junk2$$.ppm | " .
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- "pamscale -width $width -height $height >junk3$$.ppm");
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+ system("pamscale $n $tmpdir/junk2$$.ppm | " .
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+ "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm");
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}
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if ($i == 10) {
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- system("cp", "junk3$$.ppm", "junk1a$$.ppm");
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- system("pamscale $n junk2$$.ppm | " .
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- "pamscale -width $width -height $height >junk2a$$.ppm");
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+ system("cp", "$tmpdir/junk3$$.ppm", "$tmpdir/junk1a$$.ppm");
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+ system("pamscale $n $tmpdir/junk2$$.ppm | " .
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+ "pamscale -width $width -height $height >$tmpdir/junk2a$$.ppm");
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}
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} elsif ($mode eq $MIX) {
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my $fade_factor = sqrt(1/($nframes-$i+1));
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- system("ppmmix $fade_factor junk1$$.ppm junk2$$.ppm >junk3$$.ppm");
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+ system("ppmmix $fade_factor $tmpdir/junk1$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm");
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} else {
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print("Internal error: impossible mode value '$mode'\n");
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}
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my $outfile = sprintf("%s.%04d.ppm", $base_name, $i);
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- system("cp", "junk3$$.ppm", $outfile);
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+ system("cp", "$tmpdir/junk3$$.ppm", $outfile);
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}
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#
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# Clean up shop.
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#
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-system("rm junk*$$.ppm");
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+system("rm $tmpdir/junk*$$.ppm");
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exit(0);
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