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short (single char) names for simple rgbcmykw

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Wim Pomp
2025-08-23 22:28:29 +02:00
parent 268ca5c226
commit 717ac5652d
2 changed files with 21 additions and 2 deletions
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21
src/lib.rs
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@@ -25,7 +25,14 @@ pub enum ColorcetError {
/// use colorcet::ColorMap;
/// use colorgrad::{LinearGradient, Color};
///
/// // get colormap by name, add _r to reverse the colormap
/// let colormap: ColorMap = "glasbey".parse().unwrap();
/// let colormap: ColorMap = "glasbey_r".parse().unwrap();
/// let colormap: ColorMap = "red".parse().unwrap(); // black to red gradient
/// let colormap: ColorMap = "r".parse().unwrap(); // black to red gradient
/// let colormap: ColorMap = "r_r".parse().unwrap(); // red to black gradient
/// let colormap: ColorMap = "#5e6f7a".parse().unwrap();
/// let colormap: ColorMap = "#5e6f7a_r".parse().unwrap();
/// let vec_color: Vec<Color> = colormap.clone().try_into().unwrap();
/// let vec_css: Vec<String> = colormap.clone().try_into().unwrap();
/// let linear_gradient: LinearGradient = colormap.clone().try_into().unwrap();
@@ -105,7 +112,19 @@ impl FromStr for ColorMap {
}
Ok(ColorMap(cmap))
} else if let Ok(cmap) = GradientBuilder::new()
.html_colors(&["#000000", name0])
.html_colors(&["#000000", {
match name0 {
"r" => "#ff0000",
"g" => "#008000",
"b" => "#0000ff",
"c" => "#00bfbf",
"m" => "#bf00bf",
"y" => "#bfbf00",
"k" => "#000000",
"w" => "#ffffff",
_ => name0,
}
}])
.build::<LinearGradient>()
{
let mut cmap: Vec<_> = cmap