Add feature options for elements

Author: 38

Cargo.toml

@@ -48,7 +48,7 @@ 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"]
+default = ["image_encoder", "svg", "chrono", "palette_ext", "gif_backend", "deprecated_items", "bitmap", "ttf", "errorbar", "candlestick", "boxplot"]
 ttf = ["font-kit", "rusttype", "lazy_static"]
 image_encoder = ["image", "bitmap"]
 palette_ext = ["palette"]
@@ -61,6 +61,9 @@ cairo = ["cairo-rs", "ttf"]
 bitmap = ["ttf"]
 deprecated_items = [] # Keep some of the deprecated items for backward compatibility
 debug = [] # Enable debugging code
+errorbar = []
+candlestick = []
+boxplot = []
 
 
 [dev-dependencies]

src/drawing/backend_impl/svg.rs

@@ -7,7 +7,9 @@ use crate::style::text_anchor::{HPos, VPos};
 use crate::style::{Color, FontStyle, FontTransform, RGBAColor, TextStyle};
 
 use std::fs::File;
-use std::io::{BufWriter, Cursor, Error, Write};
+#[allow(unused_imports)]
+use std::io::Cursor;
+use std::io::{BufWriter, Error, Write};
 use std::path::Path;
 
 fn make_svg_color<C: Color>(color: &C) -> String {
@@ -42,6 +44,7 @@ enum SVGTag {
     Polyline,
     Rectangle,
     Text,
+    #[allow(dead_code)]
     Image,
 }
 

src/element/mod.rs

@@ -170,13 +170,19 @@ pub use points::*;
 mod composable;
 pub use composable::{ComposedElement, EmptyElement};
 
+#[cfg(feature = "candlestick")]
 mod candlestick;
+#[cfg(feature = "candlestick")]
 pub use candlestick::CandleStick;
 
+#[cfg(feature = "errorbar")]
 mod errorbar;
+#[cfg(feature = "errorbar")]
 pub use errorbar::{ErrorBar, ErrorBarOrientH, ErrorBarOrientV};
 
+#[cfg(feature = "boxplot")]
 mod boxplot;
+#[cfg(feature = "boxplot")]
 pub use boxplot::Boxplot;
 
 #[cfg(feature = "bitmap")]

src/lib.rs

@@ -687,10 +687,17 @@ pub mod prelude {
     pub use crate::style::{BLACK, BLUE, CYAN, GREEN, MAGENTA, RED, TRANSPARENT, WHITE, YELLOW};
 
     pub use crate::element::{
-        Boxplot, CandleStick, Circle, Cross, DynElement, EmptyElement, ErrorBar, IntoDynElement,
-        MultiLineText, PathElement, Pixel, Polygon, Rectangle, Text, TriangleMarker,
+        Circle, Cross, DynElement, EmptyElement, IntoDynElement, MultiLineText, PathElement, Pixel,
+        Polygon, Rectangle, Text, TriangleMarker,
     };
 
+    #[cfg(feature = "boxplot")]
+    pub use crate::element::Boxplot;
+    #[cfg(feature = "candlestick")]
+    pub use crate::element::CandleStick;
+    #[cfg(feature = "errorbar")]
+    pub use crate::element::ErrorBar;
+
     #[cfg(feature = "bitmap")]
     pub use crate::element::BitMapElement;