Remove dependencies on itoa and ryu ⬇️

Cargo.toml

@@ -15,10 +15,8 @@ fs = ["fontdock/fs"]
 [dependencies]
 fontdock = { path = "../fontdock", default-features = false }
 image = { version = "0.23", default-features = false, features = ["jpeg", "png"] }
-itoa = "0.4"
 miniz_oxide = "0.3"
 pdf-writer = { path = "../pdf-writer" }
-ryu = "1.0"
 ttf-parser = "0.8.2"
 unicode-xid = "0.2"
 anyhow = { version = "1", optional = true }

src/geom/angle.rs

@@ -58,14 +58,13 @@ impl Display for Angle {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
         // Format with the unit that yields the shortest output, preferring
         // degrees when tied.
-        let mut buf = ryu::Buffer::new();
         let unit = [AngularUnit::Deg, AngularUnit::Rad]
             .iter()
             .copied()
-            .min_by_key(|&unit| buf.format(self.to_unit(unit)).len())
+            .min_by_key(|&unit| self.to_unit(unit).to_string().len())
             .unwrap();
 
-        write!(f, "{}{}", buf.format(self.to_unit(unit)), unit)
+        write!(f, "{}{}", self.to_unit(unit), unit)
     }
 }
 

src/geom/length.rs

@@ -108,14 +108,13 @@ impl Display for Length {
 
         // Format with the unit that yields the shortest output, preferring
         // larger / metric units when tied.
-        let mut buf = ryu::Buffer::new();
         let unit = [Cm, Mm, In, Pt]
             .iter()
             .copied()
-            .min_by_key(|&unit| buf.format(self.to_unit(unit)).len())
+            .min_by_key(|&unit| self.to_unit(unit).to_string().len())
             .unwrap();
 
-        write!(f, "{}{}", buf.format(self.to_unit(unit)), unit)
+        write!(f, "{}{}", self.to_unit(unit), unit)
     }
 }
 
@@ -239,9 +238,9 @@ mod tests {
 
     #[test]
     fn test_length_formatting() {
-        assert_eq!(Length::pt(23.0).to_string(), "23.0pt");
-        assert_eq!(Length::pt(-28.3465).to_string(), "-1.0cm");
+        assert_eq!(Length::pt(23.0).to_string(), "23pt");
+        assert_eq!(Length::pt(-28.3465).to_string(), "-1cm");
         assert_eq!(Length::cm(12.728).to_string(), "12.728cm");
-        assert_eq!(Length::cm(4.5).to_string(), "4.5cm");
+        assert_eq!(Length::cm(4.5).to_string(), "45mm");
     }
 }

src/geom/relative.rs

@@ -42,7 +42,7 @@ impl Relative {
 
 impl Display for Relative {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
-        write!(f, "{}%", ryu::Buffer::new().format(100.0 * self.0))
+        write!(f, "{}%", 100.0 * self.0)
     }
 }
 

src/pretty.rs

@@ -240,15 +240,9 @@ impl Pretty for LitKind {
             Self::Bool(v) => v.pretty(p),
             Self::Int(v) => v.pretty(p),
             Self::Float(v) => v.pretty(p),
-            Self::Length(v, u) => {
-                write!(p, "{}{}", ryu::Buffer::new().format(*v), u).unwrap();
-            }
-            Self::Angle(v, u) => {
-                write!(p, "{}{}", ryu::Buffer::new().format(*v), u).unwrap();
-            }
-            Self::Percent(v) => {
-                write!(p, "{}%", ryu::Buffer::new().format(*v)).unwrap();
-            }
+            Self::Length(v, u) => write!(p, "{}{}", v, u).unwrap(),
+            Self::Angle(v, u) => write!(p, "{}{}", v, u).unwrap(),
+            Self::Percent(v) => write!(p, "{}%", v).unwrap(),
             Self::Color(v) => v.pretty(p),
             Self::Str(v) => v.pretty(p),
         }
@@ -561,13 +555,13 @@ impl Pretty for ValueArg {
 
 impl Pretty for i64 {
     fn pretty(&self, p: &mut Printer) {
-        p.push_str(itoa::Buffer::new().format(*self));
+        write!(p, "{}", self).unwrap();
     }
 }
 
 impl Pretty for f64 {
     fn pretty(&self, p: &mut Printer) {
-        p.push_str(ryu::Buffer::new().format(*self));
+        write!(p, "{}", self).unwrap();
     }
 }
 
@@ -681,9 +675,9 @@ mod tests {
         roundtrip("{true}");
         roundtrip("{10}");
         roundtrip("{3.14}");
-        roundtrip("{10.0pt}");
+        roundtrip("{10pt}");
         roundtrip("{14.1deg}");
-        roundtrip("{20.0%}");
+        roundtrip("{20%}");
         roundtrip("{#abcdef}");
         roundtrip(r#"{"hi"}"#);
         test_parse(r#"{"let's \" go"}"#, r#"{"let's \" go"}"#);
@@ -749,9 +743,9 @@ mod tests {
         test_value(12i64, "12");
         test_value(3.14, "3.14");
         test_value(Length::pt(5.5), "5.5pt");
-        test_value(Angle::deg(90.0), "90.0deg");
-        test_value(Relative::ONE / 2.0, "50.0%");
-        test_value(Relative::new(0.3) + Length::cm(2.0), "30.0% + 2.0cm");
+        test_value(Angle::deg(90.0), "90deg");
+        test_value(Relative::ONE / 2.0, "50%");
+        test_value(Relative::new(0.3) + Length::cm(2.0), "30% + 2cm");
         test_value(Color::Rgba(RgbaColor::new(1, 1, 1, 0xff)), "#010101");
         test_value("hello", r#""hello""#);
         test_value("\n", r#""\n""#);