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|
#!perl
use 5.010;
use strict;
use warnings;
use Test::Exception;
use Test::More 0.98;
use Test::RandomResult;
use Color::RGB::Util qw(
assign_rgb_color
assign_rgb_dark_color
assign_rgb_light_color
hsl2hsv
hsl2rgb
hsv2hsl
hsv2rgb
int2rgb
mix_2_rgb_colors
mix_rgb_colors
rand_rgb_color
rand_rgb_colors
reverse_rgb_color
rgb2grayscale
rgb2hsl
rgb2hsv
rgb2int
rgb2sepia
rgb_diff
rgb_distance
rgb_is_dark
rgb_is_light
rgb_luminance
tint_rgb_color
);
subtest _wrap_h => sub {
is(Color::RGB::Util::_wrap_h(0), 0);
is(Color::RGB::Util::_wrap_h(1), 1);
is(Color::RGB::Util::_wrap_h(-10), 350);
is(Color::RGB::Util::_wrap_h(360), 360);
is(Color::RGB::Util::_wrap_h(370), 10);
is(Color::RGB::Util::_wrap_h(730), 10);
is(Color::RGB::Util::_wrap_h(-360), 0);
is(Color::RGB::Util::_wrap_h(-370), 350);
};
subtest assign_rgb_color => sub {
is(assign_rgb_color(""), "da5509");
is(assign_rgb_color("foo"), "0b5d33");
is(assign_rgb_color("baz"), "bb40a2");
};
subtest assign_rgb_dark_color => sub {
is(assign_rgb_dark_color(""), "da5509");
is(assign_rgb_dark_color("foo"), "0b5d33");
is(assign_rgb_dark_color("baz"), "5d2051");
};
subtest assign_rgb_light_color => sub {
is(assign_rgb_light_color(""), "ecaa84");
is(assign_rgb_light_color("foo"), "85ae99");
is(assign_rgb_light_color("baz"), "bb40a2");
};
subtest hsl2hsv => sub {
is(hsl2hsv("0 1 0.5"), "0 1 1"); # red ff0000
is(hsl2hsv("120 1 0.5"), "120 1 1"); # green 00ff00
is(hsl2hsv("120 1 0.751"), "120 0.498 1"); # light green 80ff80
is(hsl2hsv("240 1 0.251"), "240 1 0.502"); # dark blue 000080
# test wrapping of h
is(hsl2hsv("720 1 0.5"), "0 1 1"); # red ff0000
};
subtest hsv2hsl => sub {
is(hsv2hsl("0 1 1"), "0 1 0.5"); # red ff0000
is(hsv2hsl("120 1 1"), "120 1 0.5"); # green 00ff00
is(hsv2hsl("120 0.498 1"), "120 1 0.751"); # light green 80ff80
is(hsv2hsl("240 1 0.502"), "240 1 0.251"); # dark blue 000080
# test wrapping of h
is(hsv2hsl("720 1 1"), "0 1 0.5"); # red ff0000
};
subtest hsv2rgb => sub {
is(hsv2rgb("0 1 1"), "ff0000");
is(hsv2rgb("120 0.498 1"), "80ff80");
is(hsv2rgb("240 1 0.502"), "000080");
# test wrapping of h
is(hsv2rgb("720 1 1"), "ff0000");
};
subtest hsl2rgb => sub {
is(hsl2rgb("0 1 0.5"), "ff0000");
is(hsl2rgb("120 1 0.751"), "80ff80");
is(hsl2rgb("240 1 0.251"), "000080");
# test wrapping of h
is(hsl2rgb("720 1 0.5"), "ff0000");
};
subtest int2rgb => sub {
is(int2rgb(0x000000), "000000");
is(int2rgb(0xffffff), "ffffff");
is(int2rgb(0xfa0000), "fa0000");
is(int2rgb(0x00af00), "00af00");
is(int2rgb(0x0000fa), "0000fa");
};
subtest mix_2_rgb_colors => sub {
dies_ok { mix_2_rgb_colors('0', 'ffffff') };
is(mix_2_rgb_colors('#ff8800', '#0033cc'), '7f5d66');
is(mix_2_rgb_colors('ff8800', '0033cc', 0), 'ff8800');
is(mix_2_rgb_colors('FF8800', '0033CC', 1), '0033cc');
is(mix_2_rgb_colors('0033CC', 'FF8800', 0.75), 'bf7233');
is(mix_2_rgb_colors('0033CC', 'FF8800', 0.25), '3f4899');
};
subtest mix_rgb_colors => sub {
dies_ok { mix_rgb_colors('0', 1) } 'invalid rgb -> dies';
dies_ok { mix_rgb_colors('000000', 0) } 'total weight zero #1 -> dies';
dies_ok { mix_rgb_colors('000000', 0) } 'total weight zero #2 -> dies';
is(mix_rgb_colors('#ff8800', 1, '#0033cc', 1), '7f5d66');
is(mix_rgb_colors('#ff8800', 2, '#0033cc', 1), 'aa6b44');
is(mix_rgb_colors('#ff8800', 1, '#0033cc', 2, '000000', 3), '2a2744');
};
subtest rand_rgb_color => sub {
results_look_random { rgb2int(rand_rgb_color()) } between=>[0, 0xffffff];
};
subtest rand_rgb_colors => sub {
my @vals = rand_rgb_colors(5);
is(scalar(@vals), 5);
results_look_random { rgb2int(rand_rgb_colors()) } between=>[0, 0xffffff];
};
subtest reverse_rgb_color => sub {
is(reverse_rgb_color('0033CC'), 'ffcc33');
};
subtest rgb2grayscale => sub {
is(rgb2grayscale('0033CC'), '555555');
is(rgb2grayscale('0033CC', 'weighted_average'), '353535');
dies_ok { rgb2grayscale('0033cc', 'foo') } 'unknown algo -> dies';
};
subtest rgb2hsl => sub {
is(rgb2hsl("ff0000"), "0 1 0.5");
is(rgb2hsl("80ff80"), "120 1 0.751");
is(rgb2hsl("000080"), "240 1 0.251");
};
subtest rgb2hsv => sub {
is(rgb2hsv("ff0000"), "0 1 1");
is(rgb2hsv("80ff80"), "120 0.498 1");
is(rgb2hsv("000080"), "240 1 0.502");
};
subtest rgb2int => sub {
is(rgb2int('000000'), 0);
is(rgb2int('ffffff'), 0xffffff);
is(rgb2int('fa0000'), 0xfa0000);
is(rgb2int('00af00'), 0x00af00);
is(rgb2int('0000fa'), 0x0000fa);
};
subtest rgb2sepia => sub {
is(rgb2sepia('0033CC'), '4d4535');
};
subtest rgb_diff => sub {
is(int(rgb_diff("000000","000000", "approx1")), 0);
is(int(rgb_diff("00ff00","0000ff", "approx1")), 674);
is(int(rgb_diff("ff0000","000000", "approx1")), 403);
dies_ok { rgb_diff("000000","000000", "foo") } 'unknown algo -> dies';
};
subtest rgb_distance => sub {
is(rgb_distance('000000', '000000'), 0);
is(rgb_distance('01f000', '04f400'), 5);
is(rgb_distance('ffff00', 'ffffff'), 255);
};
subtest rgb_is_dark => sub {
ok( rgb_is_dark('000000'));
ok( rgb_is_dark('404040'));
ok(!rgb_is_dark('a0a0a0'));
ok(!rgb_is_dark('ffffff'));
};
subtest rgb_is_light => sub {
ok(!rgb_is_light('000000'));
ok(!rgb_is_light('404040'));
ok( rgb_is_light('a0a0a0'));
ok( rgb_is_light('ffffff'));
};
subtest rgb_luminance => sub {
ok(abs(0 - rgb_luminance('000000')) < 0.001);
ok(abs(1 - rgb_luminance('ffffff')) < 0.001);
ok(abs(0.6254 - rgb_luminance('d090aa')) < 0.001);
};
subtest tint_rgb_color => sub {
is(tint_rgb_color('#ff8800', '#0033cc'), 'b36e3c');
is(tint_rgb_color('ff8800', '0033cc', 0), 'ff8800');
is(tint_rgb_color('FF8800', '0033CC', 1), '675579');
is(tint_rgb_color('0033CC', 'FF8800', 0.75), '263fad');
is(tint_rgb_color('0033CC', 'FF8800', 0.25), '0c37c1');
};
DONE_TESTING:
done_testing();
|
