--- netpbm-10.27/editor/ppmfade- 2005-03-16 21:10:39 +0000 +++ netpbm-10.27/editor/ppmfade 2005-05-10 04:00:32 +0000 @@ -116,20 +116,24 @@ if ($first_file ne "undefined") { print("Frames are " . $width . "W x " . $height . "H\n"); +use File::Temp qw(tempdir); +use sigtrap qw(die normal-signals); +my $tmpdir = tempdir("ppmfade.XXXXXXXX", TMPDIR => 1, CLEANUP => 1); + if ($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"); } # @@ -137,14 +141,14 @@ 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$$.ppm: The frame of the fade for the current iteration of the +# $tmpdir/junk1.ppm: The original (fade-from) image +# $tmpdir/junk2.ppm: The target (fade-from) image +# $tmpdir/junk3.ppm: The frame of the fade for the current iteration of the # the for loop. -# junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate +# $tmpdir/junk1a.ppm: If the fade involves a ppmmix sequence from one intermediate # image to another, this is the first frame of that # sequence. -# junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence +# $tmpdir/junk2a.ppm: This is the last frame of the above-mentioned ppmmix sequence my $i; # Frame number for ($i = 1; $i <= $nframes; $i++) { @@ -152,149 +156,144 @@ for ($i = 1; $i <= $nframes; $i++) { if ($mode eq $SPREAD) { if ($i <= 10) { my $n = $spline20[$i] * 100; - system("ppmspread $n junk1$$.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"); - exit(0);