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|
use colorgrad::Gradient;
mod utils;
#[test]
fn preset() {
let g = colorgrad::preset::viridis();
cmp_hex!(g.at(0.0), "#440154");
cmp_hex!(g.at(0.5), "#27838e");
cmp_hex!(g.at(1.0), "#fee825");
cmp_hex!(g.at(f32::NAN), "#000000");
let g = colorgrad::preset::greys();
cmp_hex!(g.at(0.0), "#ffffff");
cmp_hex!(g.at(1.0), "#000000");
let g = colorgrad::preset::turbo();
cmp_hex!(g.at(0.0), "#23171b");
cmp_hex!(g.at(1.0), "#900c00");
let g = colorgrad::preset::cividis();
cmp_hex!(g.at(0.0), "#002051");
cmp_hex!(g.at(1.0), "#fdea45");
let g = colorgrad::preset::cubehelix_default();
cmp_hex!(g.at(0.0), "#000000");
cmp_hex!(g.at(1.0), "#ffffff");
let g = colorgrad::preset::warm();
cmp_hex!(g.at(0.0), "#6e40aa");
cmp_hex!(g.at(1.0), "#aff05b");
let g = colorgrad::preset::cool();
cmp_hex!(g.at(0.0), "#6e40aa");
cmp_hex!(g.at(1.0), "#aff05b");
macro_rules! presets {
($($name:ident),+ $(,)?) => {
$({
let g = colorgrad::preset::$name();
assert_eq!(g.domain(), (0.0, 1.0));
})*
}
}
presets!(
blues,
br_bg,
bu_gn,
bu_pu,
cividis,
cool,
cubehelix_default,
gn_bu,
greens,
greys,
inferno,
magma,
or_rd,
oranges,
pi_yg,
plasma,
pr_gn,
pu_bu,
pu_bu_gn,
pu_or,
pu_rd,
purples,
rainbow,
rd_bu,
rd_gy,
rd_pu,
rd_yl_bu,
rd_yl_gn,
reds,
sinebow,
spectral,
turbo,
viridis,
warm,
yl_gn,
yl_gn_bu,
yl_or_br,
yl_or_rd,
);
}
#[test]
fn cyclic() {
let g = colorgrad::preset::rainbow();
assert_eq!(g.at(0.0).to_rgba8(), g.at(1.0).to_rgba8());
let g = colorgrad::preset::sinebow();
assert_eq!(g.at(0.0).to_rgba8(), g.at(1.0).to_rgba8());
}
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