create new feature for colormaps and include in defeault features

Author: jonaspleyer

plotters/Cargo.toml

@@ -70,7 +70,8 @@ default = [
         "ttf",
         "image",
         "deprecated_items",  "all_series", "all_elements",
-        "full_palette"
+        "full_palette",
+        "colormaps"
 ]
 all_series = ["area_series", "line_series", "point_series", "surface_series"]
 all_elements = ["errorbar", "candlestick", "boxplot", "histogram"]
@@ -83,6 +84,7 @@ svg_backend = ["plotters-svg"]
 
 # Colors
 full_palette = []
+colormaps = []
 
 # Elements
 errorbar = []

plotters/src/lib.rs

@@ -852,6 +852,9 @@ pub mod prelude {
     #[cfg(feature = "full_palette")]
     pub use crate::style::full_palette;
 
+    #[cfg(feature = "colormaps")]
+    pub use crate::style::colors::colormaps::*;
+
     pub use crate::style::{
         AsRelative, Color, FontDesc, FontFamily, FontStyle, FontTransform, HSLColor, IntoFont,
         IntoTextStyle, Palette, Palette100, Palette99, Palette9999, PaletteColor, RGBAColor,

plotters/src/style/colors/mod.rs

@@ -58,3 +58,5 @@ define_color!(TRANSPARENT, 0, 0, 0, 0.0, "Transparent");
 
 #[cfg(feature = "full_palette")]
 pub mod full_palette;
+#[cfg(feature = "colormaps")]
+pub mod colormaps;