3 use Imager qw(:all :handy);
5 use Test::More tests=>19;
7 Imager::init("log"=>'testout/t67convert.log');
9 my $imbase = Imager::ImgRaw::new(200,300,3);
11 # first a basic test, make sure the basic things happen ok
12 # make a 1 channel image from the above (black) image
13 # but with 1 as the 'extra' value
14 my $imnew = Imager::i_img_new();
17 skip("convert to white failed", 3)
18 unless ok(i_convert($imnew, $imbase, [ [ 0, 0, 0, 1 ] ]), "convert to white");
20 my ($w, $h, $ch) = i_img_info($imnew);
22 # the output image should now have one channel
23 is($ch, 1, "one channel image now");
24 # should have the same width and height
25 ok($w == 200 && $h == 300, "check converted size is the same");
27 # should be a white image now, let's check
28 my $c = Imager::i_get_pixel($imnew, 20, 20);
31 is($c[0], 255, "check image is white");
34 # test the highlevel interface
35 # currently this requires visual inspection of the output files
39 skip("could not load scale.ppm", 3)
40 unless $im->read(file=>'testimg/scale.ppm');
41 my $out = $im->convert(preset=>'gray');
42 ok($out, "convert preset gray");
43 ok($out->write(file=>'testout/t67_gray.ppm', type=>'pnm'),
45 $out = $im->convert(preset=>'blue');
46 ok($out, "convert preset blue");
48 ok($out->write(file=>'testout/t67_blue.ppm', type=>'pnm'),
52 # test against 16-bit/sample images
53 my $im16targ = Imager::i_img_16_new(200, 300, 3);
56 skip("could not convert 16-bit image", 2)
57 unless ok(i_convert($im16targ, $imbase, [ [ 0, 0, 0, 1 ],
60 "convert 16/bit sample image");
61 # image should still be 16-bit
62 is(Imager::i_img_bits($im16targ), 16, "Image still 16-bit/sample");
63 # make sure that it's roughly red
64 my $c = Imager::i_gpixf($im16targ, 0, 0);
66 ok(abs($ch[0] - 1) <= 0.0001 && abs($ch[1]) <= 0.0001 && abs($ch[2]) <= 0.0001,
70 # test against palette based images
71 my $impal = Imager::i_img_pal_new(200, 300, 3, 256);
72 my $black = NC(0, 0, 0);
73 my $blackindex = Imager::i_addcolors($impal, $black);
74 ok($blackindex, "add black to paletted");
76 Imager::i_ppal($impal, 0, $y, ($black) x 200);
78 my $impalout = Imager::i_img_pal_new(200, 300, 3, 256);
81 skip("could not convert paletted", 3)
82 unless ok(i_convert($impalout, $impal, [ [ 0, 0, 0, 0 ],
86 is(Imager::i_img_type($impalout), 1, "image still paletted");
87 is(Imager::i_colorcount($impalout), 1, "still only one colour");
88 my $c = Imager::i_getcolors($impalout, $blackindex);
89 ok($c, "get color from palette");
92 ok($ch[0] == 0 && $ch[1] == 255 && $ch[2] == 0,
93 "colour is as expected");
96 { # http://rt.cpan.org/NoAuth/Bug.html?id=9672
98 local $SIG{__WARN__} =
101 my $printed = $warning;
103 $printed =~ s/\n/\n\#/g;
104 print "# ",$printed, "\n";
106 my $img = Imager->new(xsize=>10, ysize=>10);
107 $img->convert(preset=>"grey");
108 cmp_ok($warning, '=~', 'void', "correct warning");
109 cmp_ok($warning, '=~', 't67convert\\.t', "correct file");