Add more feature options

Author: 38

Cargo.toml

@@ -48,7 +48,9 @@ version = "0.3.29"
 features = ['Document', 'DomRect', 'Element', 'HtmlElement', 'Node', 'Window', 'HtmlCanvasElement', 'CanvasRenderingContext2d']
 
 [features]
-default = ["image_encoder", "svg", "chrono", "palette_ext", "gif_backend", "deprecated_items", "bitmap", "ttf", "errorbar", "candlestick", "boxplot"]
+default = ["image_encoder", "svg", "chrono", "palette_ext", "gif_backend", 
+		   "deprecated_items", "bitmap", "ttf", "errorbar", "candlestick", 
+		   "boxplot", "histogram", "area_series", "line_series", "point_series"]
 ttf = ["font-kit", "rusttype", "lazy_static"]
 image_encoder = ["image", "bitmap"]
 palette_ext = ["palette"]
@@ -64,6 +66,10 @@ debug = [] # Enable debugging code
 errorbar = []
 candlestick = []
 boxplot = []
+histogram = []
+area_series = []
+line_series = []
+point_series = []
 
 
 [dev-dependencies]

src/lib.rs

@@ -678,7 +678,15 @@ pub mod prelude {
     pub use crate::coord::{make_partial_axis, RangedDate, RangedDateTime, RangedDuration};
 
     pub use crate::drawing::*;
-    pub use crate::series::{AreaSeries, Histogram, LineSeries, PointSeries};
+    #[cfg(feature = "area_series")]
+    pub use crate::series::AreaSeries;
+    #[cfg(feature = "histogram")]
+    pub use crate::series::Histogram;
+    #[cfg(feature = "line_series")]
+    pub use crate::series::LineSeries;
+    #[cfg(feature = "point_series")]
+    pub use crate::series::PointSeries;
+
     pub use crate::style::{
         AsRelative, Color, FontDesc, FontFamily, FontStyle, FontTransform, HSLColor, IntoFont,
         Palette, Palette100, Palette99, Palette9999, PaletteColor, RGBColor, ShapeStyle,

src/series/mod.rs

@@ -10,12 +10,20 @@
   So iterator combinator such as `map`, `zip`, etc can also be used.
 */
 
+#[cfg(feature = "area_series")]
 mod area_series;
+#[cfg(feature = "histogram")]
 mod histogram;
+#[cfg(feature = "line_series")]
 mod line_series;
+#[cfg(feature = "point_series")]
 mod point_series;
 
+#[cfg(feature = "area_series")]
 pub use area_series::AreaSeries;
+#[cfg(feature = "histogram")]
 pub use histogram::Histogram;
+#[cfg(feature = "line_series")]
 pub use line_series::LineSeries;
+#[cfg(feature = "point_series")]
 pub use point_series::PointSeries;