3 use Test::More tests => 10;
4 use Imager::Test qw(is_image);
6 -d "testout" or mkdir "testout";
8 Imager::init("log"=>'testout/t68map.log');
10 use Imager qw(:all :handy);
12 my $imbase = Imager::ImgRaw::new(200,300,3);
15 my @map1 = map { int($_/2) } 0..255;
16 my @map2 = map { 255-int($_/2) } 0..255;
23 ok(i_map($imbase, [ [], [], \@map1 ]), "map1 in ch 3");
24 ok(i_map($imbase, [ \@map1, \@map1, \@map1 ]), "map1 in ch1-3");
26 ok(i_map($imbase, [ \@map1, \@map2, \@map3 ]), "map1-3 in ch 1-3");
28 ok(i_map($imbase, [ \@maps, \@mapl, \@map3 ]), "incomplete maps");
30 # test the highlevel interface
31 # currently this requires visual inspection of the output files
35 $im->read(file=>'testimg/scale.ppm')
36 or skip "Cannot load test image testimg/scale.ppm", 2;
38 ok( $im->map(red=>\@map1, green=>\@map2, blue=>\@map3),
39 "test OO interface (maps by color)");
40 ok( $im->map(maps=>[\@map1, [], \@map2]),
41 "test OO interface (maps by maps)");
45 my $empty = Imager->new;
46 ok(!$empty->map(maps => [ \@map1, \@map2, \@map3 ]),
47 "can't map an empty image");
48 is($empty->errstr, "map: empty input image", "check error message");
52 my $im = Imager->new(xsize => 10, ysize => 10);
53 $im->box(filled => 1, color => [ 255, 128, 128 ], xmax => 4, ymax => 4);
54 $im->box(filled => 1, color => [ 0, 255, 0 ], xmin => 5);
56 my $cmp = Imager->new(xsize => 10, ysize => 10);
57 $cmp->box(filled => 1, color => [ 127, 64, 64 ], xmax => 4, ymax => 4);
58 $cmp->box(filled => 1, color => [ 0, 127, 0 ], xmin => 5);
59 my @map = ( map int $_/2, 0 .. 255 );
60 my $out = $im->map(maps => [ \@map, \@map, \@map ]);
62 is_image($out, $cmp, "test map output");