Fix histogram feature grouping on next-release-devel

.github/dependabot.yml

@@ -14,3 +14,7 @@ updates:
   - dependency-name: gif
     versions:
     - 0.11.1
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "daily"

.github/workflows/plotters-backend.yml

@@ -9,7 +9,7 @@ jobs:
         matrix:
             os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/toolchain@v1

.github/workflows/plotters-bitmap.yml

@@ -9,7 +9,7 @@ jobs:
         matrix:
             os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/toolchain@v1

.github/workflows/plotters-core.yml

@@ -7,7 +7,7 @@ jobs:
     name: cargo-doc
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
@@ -20,7 +20,7 @@ jobs:
   msrv:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/toolchain@v1
@@ -34,7 +34,7 @@ jobs:
         matrix:
             os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/toolchain@v1
@@ -52,7 +52,7 @@ jobs:
   test_all_features:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/toolchain@v1
@@ -66,7 +66,7 @@ jobs:
   run_all_examples:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/cargo@v1
@@ -81,7 +81,7 @@ jobs:
           ../target/release/examples/$(basename ${example} .rs)
         done 
         tar -czvf example-outputs.tar.gz plotters-doc-data
-    - uses: actions/upload-artifact@v1
+    - uses: actions/upload-artifact@v4
       with:
           name: example-outputs
           path: plotters/example-outputs.tar.gz

.github/workflows/plotters-svg.yml

@@ -9,7 +9,7 @@ jobs:
         matrix:
             os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - uses: actions-rs/toolchain@v1

.github/workflows/rust-clippy.yml

@@ -27,7 +27,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af #@v1
@@ -48,7 +48,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload analysis results to GitHub
-        uses: github/codeql-action/upload-sarif@v1
+        uses: github/codeql-action/upload-sarif@v3
         with:
           sarif_file: rust-clippy-results.sarif
           wait-for-processing: true

.github/workflows/wasm.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
       with:
           submodules: recursive
     - name: Install WASM tool chain

Cross.toml

@@ -0,0 +1,5 @@
+[target.x86_64-unknown-linux-gnu]
+pre-build = [
+    "apt-get update",
+    "apt-get install --assume-yes libfontconfig-dev:$CROSS_DEB_ARCH",
+]

plotters/Cargo.toml

@@ -32,7 +32,7 @@ path = "../plotters-svg"
 ttf-parser = { version = "0.15.0", optional = true }
 lazy_static = { version = "1.4.0", optional = true }
 pathfinder_geometry = { version = "0.5.1", optional = true }
-font-kit = { version = "0.11.0", optional = true }
+font-kit = { version = "0.14.2", optional = true }
 
 [target.'cfg(not(all(target_arch = "wasm32", not(target_os = "wasi"))))'.dependencies.image]
 version = "0.24.2"
@@ -46,28 +46,38 @@ version = "0.2.62"
 [target.'cfg(all(target_arch = "wasm32", not(target_os = "wasi")))'.dependencies.web-sys]
 version = "0.3.51"
 features = [
-         "Document",
-         "DomRect",
-         "Element",
-         "HtmlElement",
-         "Node",
-         "Window",
-         "HtmlCanvasElement",
-         "CanvasRenderingContext2d",
+    "Document",
+    "DomRect",
+    "Element",
+    "HtmlElement",
+    "Node",
+    "Window",
+    "HtmlCanvasElement",
+    "CanvasRenderingContext2d",
 ]
 
 [features]
 default = [
-        "bitmap_backend", "bitmap_encoder", "bitmap_gif",
-        "svg_backend",
-        "chrono",
-        "ttf",
-        "image",
-        "deprecated_items",  "all_series", "all_elements",
-        "full_palette"
+    "bitmap_backend",
+    "bitmap_encoder",
+    "bitmap_gif",
+    "svg_backend",
+    "chrono",
+    "ttf",
+    "image",
+    "deprecated_items",
+    "all_series",
+    "all_elements",
+    "full_palette",
 ]
-all_series = ["area_series", "line_series", "point_series", "surface_series"]
-all_elements = ["errorbar", "candlestick", "boxplot", "histogram"]
+all_series = [
+    "area_series",
+    "line_series",
+    "point_series",
+    "surface_series",
+    "histogram",
+]
+all_elements = ["errorbar", "candlestick", "boxplot"]
 
 # Tier 1 Backends
 bitmap_backend = ["plotters-bitmap", "ttf"]
@@ -99,7 +109,8 @@ fontconfig-dlopen = ["font-kit/source-fontconfig-dlopen"]
 # Misc
 datetime = ["chrono"]
 evcxr = ["svg_backend"]
-deprecated_items = [] # Keep some of the deprecated items for backward compatibility
+deprecated_items = [
+] # Keep some of the deprecated items for backward compatibility
 
 [dev-dependencies]
 itertools = "0.10.0"

plotters/examples/stock.rs

@@ -1,9 +1,7 @@
-use chrono::{DateTime, Duration, NaiveDate};
+use chrono::{Duration, NaiveDate};
 use plotters::prelude::*;
 fn parse_time(t: &str) -> NaiveDate {
-    DateTime::parse_from_str(&format!("{} 0:0", t), "%Y-%m-%d %H:%M")
-        .unwrap()
-        .date_naive()
+    NaiveDate::parse_from_str(&format!("{} 0:0", t), "%Y-%m-%d %H:%M").unwrap()
 }
 const OUT_FILE_NAME: &'static str = "plotters-doc-data/stock.png";
 fn main() -> Result<(), Box<dyn std::error::Error>> {

plotters/src/element/pie.rs

@@ -69,7 +69,8 @@ impl<'a, Label: Display> Pie<'a, (i32, i32), Label> {
     /// Default is set to start at 0, which is aligned on the x axis.
     /// ```
     /// use plotters::prelude::*;
-    /// let mut pie = Pie::new(&(50,50), &10.0, &[50.0, 25.25, 20.0, 5.5], &[RED.to_rgba(), BLUE.to_rgba(), GREEN.to_rgba(), WHITE.to_rgba()], &["Red", "Blue", "Green", "White"]);
+    /// let colors = [RED.to_rgba(), BLUE.to_rgba(), GREEN.to_rgba(), WHITE.to_rgba()];
+    /// let mut pie = Pie::new(&(50,50), &10.0, &[50.0, 25.25, 20.0, 5.5], &colors, &["Red", "Blue", "Green", "White"]);
     /// pie.start_angle(-90.0);  // retract to a right angle, so it starts aligned to a vertical Y axis.
     /// ```
     pub fn start_angle(&mut self, start_angle: f64) {