t/t61filters.t

   1 #!perl -w
   2 use strict;
   3 use Imager qw(:handy);
   4
   5 Imager::init_log("testout/t61filters.log", 1);
   6 # meant for testing the filters themselves
   7 my $imbase = Imager->new;
   8 $imbase->open(file=>'testout/t104.ppm') or die;
   9 my $im_other = Imager->new(xsize=>150, ysize=>150);
  10 $im_other->box(xmin=>30, ymin=>60, xmax=>120, ymax=>90, filled=>1);
  11
  12 print "1..45\n";
  13
  14 test($imbase, 1, {type=>'autolevels'}, 'testout/t61_autolev.ppm');
  15
  16 test($imbase, 3, {type=>'contrast', intensity=>0.5},
  17      'testout/t61_contrast.ppm');
  18
  19 # this one's kind of cool
  20 test($imbase, 5, {type=>'conv', coef=>[ -0.5, 1, -0.5, ], },
  21      'testout/t61_conv.ppm');
  22
  23 test($imbase, 7, {type=>'gaussian', stddev=>5 },
  24      'testout/t61_gaussian.ppm');
  25
  26 test($imbase, 9, { type=>'gradgen', dist=>1,
  27                    xo=>[ 10,  10, 120 ],
  28                    yo=>[ 10, 140,  60 ],
  29                    colors=> [ NC('#FF0000'), NC('#FFFF00'), NC('#00FFFF') ]},
  30      'testout/t61_gradgen.ppm');
  31
  32 test($imbase, 11, {type=>'mosaic', size=>8}, 'testout/t61_mosaic.ppm');
  33
  34 test($imbase, 13, {type=>'hardinvert'}, 'testout/t61_hardinvert.ppm');
  35
  36 test($imbase, 15, {type=>'noise'}, 'testout/t61_noise.ppm');
  37
  38 test($imbase, 17, {type=>'radnoise'}, 'testout/t61_radnoise.ppm');
  39
  40 test($imbase, 19, {type=>'turbnoise'}, 'testout/t61_turbnoise.ppm');
  41
  42 test($imbase, 21, {type=>'bumpmap', bump=>$im_other, lightx=>30, lighty=>30},
  43      'testout/t61_bumpmap.ppm');
  44
  45 test($imbase, 23, {type=>'bumpmap_complex', bump=>$im_other}, 'testout/t61_bumpmap_complex.ppm');
  46
  47 test($imbase, 25, {type=>'postlevels', levels=>3}, 'testout/t61_postlevels.ppm');
  48
  49 test($imbase, 27, {type=>'watermark', wmark=>$im_other },
  50      'testout/t61_watermark.ppm');
  51
  52 test($imbase, 29, {type=>'fountain', xa=>75, ya=>75, xb=>85, yb=>30,
  53                    repeat=>'triangle', #ftype=>'radial',
  54                    super_sample=>'circle', ssample_param => 16,
  55                   },
  56      'testout/t61_fountain.ppm');
  57 use Imager::Fountain;
  58
  59 my $f1 = Imager::Fountain->new;
  60 $f1->add(end=>0.2, c0=>NC(255, 0,0), c1=>NC(255, 255,0));
  61 $f1->add(start=>0.2, c0=>NC(255,255,0), c1=>NC(0,0,255,0));
  62 test($imbase, 31, { type=>'fountain', xa=>20, ya=>130, xb=>130, yb=>20,
  63                     #repeat=>'triangle',
  64                     segments=>$f1
  65                   },
  66      'testout/t61_fountain2.ppm');
  67 my $f2 = Imager::Fountain->new
  68   ->add(end=>0.5, c0=>NC(255,0,0), c1=>NC(255,0,0), color=>'hueup')
  69   ->add(start=>0.5, c0=>NC(255,0,0), c1=>NC(255,0,0), color=>'huedown');
  70 #use Data::Dumper;
  71 #print Dumper($f2);
  72 test($imbase, 33, { type=>'fountain', xa=>20, ya=>130, xb=>130, yb=>20,
  73                     segments=>$f2 },
  74      'testout/t61_fount_hsv.ppm');
  75 my $f3 = Imager::Fountain->read(gimp=>'testimg/gimpgrad')
  76   or print "not ";
  77 print "ok 35\n";
  78 test($imbase, 36, { type=>'fountain', xa=>75, ya=>75, xb=>90, yb=>15,
  79                     segments=>$f3, super_sample=>'grid',
  80                     ftype=>'radial_square', combine=>'color' },
  81      'testout/t61_fount_gimp.ppm');
  82 test($imbase, 38, { type=>'unsharpmask', stddev=>2.0 },
  83      'testout/t61_unsharp.ppm');
  84 test($imbase, 40, {type=>'conv', coef=>[ -1, 3, -1, ], },
  85      'testout/t61_conv_sharp.ppm');
  86
  87 # Regression test: the checking of the segment type was incorrect
  88 # (the comparison was checking the wrong variable against the wrong value)
  89 my $f4 = [ [ 0, 0.5, 1, NC(0,0,0), NC(255,255,255), 5, 0 ] ];
  90 test($imbase, 42, {type=>'fountain',  xa=>75, ya=>75, xb=>90, yb=>15,
  91                     segments=>$f4, super_sample=>'grid',
  92                     ftype=>'linear', combine=>'color' },
  93      'testout/t61_regress_fount.ppm');
  94 my $im2 = $imbase->copy;
  95 $im2->box(xmin=>20, ymin=>20, xmax=>40, ymax=>40, color=>'FF0000', filled=>1);
  96 $im2->write(file=>'testout/t61_diff_base.ppm');
  97 my $im3 = Imager->new(xsize=>150, ysize=>150, channels=>3);
  98 $im3->box(xmin=>20, ymin=>20, xmax=>40, ymax=>40, color=>'FF0000', filled=>1);
  99 my $diff = $imbase->difference(other=>$im2);
 100 print $diff ? "ok 44\n" : "not ok 44\n";
 101 if ($im3 && $diff) {
 102   print Imager::i_img_diff($im3->{IMG}, $diff->{IMG}) ? "not ok 45\n" : "ok 45\n";
 103 }
 104 else {
 105   print "ok 45 # skip\n";
 106 }
 107
 108 sub test {
 109   my ($in, $num, $params, $out) = @_;
 110
 111   my $copy = $in->copy;
 112   if ($copy->filter(%$params)) {
 113     print "ok $num\n";
 114     if ($copy->write(file=>$out)) {
 115       print "ok ",$num+1,"\n";
 116     }
 117     else {
 118       print "not ok ",$num+1," # ",$copy->errstr,"\n";
 119     }
 120   }
 121   else {
 122     print "not ok $num # ",$copy->errstr,"\n";
 123     print "ok ",$num+1," # skipped\n";
 124   }
 125 }