1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/plotters/src/style/colors/mod.rs b/vendor/plotters/src/style/colors/mod.rs
new file mode 100644
index 000000000..34448ba0b
--- /dev/null
+++ b/vendor/plotters/src/style/colors/mod.rs
@@ -0,0 +1,59 @@
+//! Basic predefined colors.
+use super::{RGBAColor, RGBColor};
+
+// Macro for allowing dynamic creation of doc attributes.
+// Taken from https://stackoverflow.com/questions/60905060/prevent-line-break-in-doc-test
+macro_rules! doc {
+    {
+        $(#[$m:meta])*
+        $(
+            [$doc:expr]
+            $(#[$n:meta])*
+        )*
+        @ $thing:item
+    } => {
+        $(#[$m])*
+        $(
+            #[doc = $doc]
+            $(#[$n])*
+        )*
+        $thing
+    }
+}
+
+/// Defines and names a color based on its R, G, B, A values.
+#[macro_export]
+macro_rules! define_color {
+    ($name:ident, $r:expr, $g:expr, $b:expr, $doc:expr) => {
+        doc! {
+        [$doc]
+        // Format a colored box that will show up in the docs
+        [concat!("(<span style='color: rgb(",  $r,",", $g, ",", $b, "); background-color: #ddd; padding: 0 0.2em;'>■</span>" )]
+        [concat!("*rgb = (", $r,", ", $g, ", ", $b, ")*)")]
+        @pub const $name: RGBColor = RGBColor($r, $g, $b);
+        }
+    };
+
+    ($name:ident, $r:expr, $g:expr, $b:expr, $a: expr, $doc:expr) => {
+        doc! {
+        [$doc]
+        // Format a colored box that will show up in the docs
+        [concat!("(<span style='color: rgba(",  $r,",", $g, ",", $b, ",", $a, "); background-color: #ddd; padding: 0 0.2em;'>■</span>" )]
+        [concat!("*rgba = (", $r,", ", $g, ", ", $b, ", ", $a, ")*)")]
+        @pub const $name: RGBAColor = RGBAColor($r, $g, $b, $a);
+        }
+    };
+}
+
+define_color!(WHITE, 255, 255, 255, "White");
+define_color!(BLACK, 0, 0, 0, "Black");
+define_color!(RED, 255, 0, 0, "Red");
+define_color!(GREEN, 0, 255, 0, "Green");
+define_color!(BLUE, 0, 0, 255, "Blue");
+define_color!(YELLOW, 255, 255, 0, "Yellow");
+define_color!(CYAN, 0, 255, 255, "Cyan");
+define_color!(MAGENTA, 255, 0, 255, "Magenta");
+define_color!(TRANSPARENT, 0, 0, 0, 0.0, "Transparent");
+
+#[cfg(feature = "full_palette")]
+pub mod full_palette;