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-rw-r--r--src/geom/abs.rs266
1 files changed, 0 insertions, 266 deletions
diff --git a/src/geom/abs.rs b/src/geom/abs.rs
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index 4ca3a9a1..00000000
--- a/src/geom/abs.rs
+++ /dev/null
@@ -1,266 +0,0 @@
-use super::*;
-
-/// An absolute length.
-#[derive(Default, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
-pub struct Abs(Scalar);
-
-impl Abs {
- /// The zero length.
- pub const fn zero() -> Self {
- Self(Scalar(0.0))
- }
-
- /// The infinite length.
- pub const fn inf() -> Self {
- Self(Scalar(f64::INFINITY))
- }
-
- /// Create an absolute length from a number of raw units.
- pub const fn raw(raw: f64) -> Self {
- Self(Scalar(raw))
- }
-
- /// Create an absolute length from a value in a unit.
- pub fn with_unit(val: f64, unit: AbsUnit) -> Self {
- Self(Scalar(val * unit.raw_scale()))
- }
-
- /// Create an absolute length from a number of points.
- pub fn pt(pt: f64) -> Self {
- Self::with_unit(pt, AbsUnit::Pt)
- }
-
- /// Create an absolute length from a number of millimeters.
- pub fn mm(mm: f64) -> Self {
- Self::with_unit(mm, AbsUnit::Mm)
- }
-
- /// Create an absolute length from a number of centimeters.
- pub fn cm(cm: f64) -> Self {
- Self::with_unit(cm, AbsUnit::Cm)
- }
-
- /// Create an absolute length from a number of inches.
- pub fn inches(inches: f64) -> Self {
- Self::with_unit(inches, AbsUnit::In)
- }
-
- /// Get the value of this absolute length in raw units.
- pub const fn to_raw(self) -> f64 {
- (self.0).0
- }
-
- /// Get the value of this absolute length in a unit.
- pub fn to_unit(self, unit: AbsUnit) -> f64 {
- self.to_raw() / unit.raw_scale()
- }
-
- /// Convert this to a number of points.
- pub fn to_pt(self) -> f64 {
- self.to_unit(AbsUnit::Pt)
- }
-
- /// Convert this to a number of millimeters.
- pub fn to_mm(self) -> f64 {
- self.to_unit(AbsUnit::Mm)
- }
-
- /// Convert this to a number of centimeters.
- pub fn to_cm(self) -> f64 {
- self.to_unit(AbsUnit::Cm)
- }
-
- /// Convert this to a number of inches.
- pub fn to_inches(self) -> f64 {
- self.to_unit(AbsUnit::In)
- }
-
- /// The absolute value of this length.
- pub fn abs(self) -> Self {
- Self::raw(self.to_raw().abs())
- }
-
- /// The minimum of this and another absolute length.
- pub fn min(self, other: Self) -> Self {
- Self(self.0.min(other.0))
- }
-
- /// Set to the minimum of this and another absolute length.
- pub fn set_min(&mut self, other: Self) {
- *self = (*self).min(other);
- }
-
- /// The maximum of this and another absolute length.
- pub fn max(self, other: Self) -> Self {
- Self(self.0.max(other.0))
- }
-
- /// Set to the maximum of this and another absolute length.
- pub fn set_max(&mut self, other: Self) {
- *self = (*self).max(other);
- }
-
- /// Whether the other absolute length fits into this one (i.e. is smaller).
- /// Allows for a bit of slack.
- pub fn fits(self, other: Self) -> bool {
- self.0 + 1e-6 >= other.0
- }
-
- /// Compares two absolute lengths for whether they are approximately equal.
- pub fn approx_eq(self, other: Self) -> bool {
- self == other || (self - other).to_raw().abs() < 1e-6
- }
-
- /// Perform a checked division by a number, returning zero if the result
- /// is not finite.
- pub fn safe_div(self, number: f64) -> Self {
- let result = self.to_raw() / number;
- if result.is_finite() {
- Self::raw(result)
- } else {
- Self::zero()
- }
- }
-}
-
-impl Numeric for Abs {
- fn zero() -> Self {
- Self::zero()
- }
-
- fn is_finite(self) -> bool {
- self.0.is_finite()
- }
-}
-
-impl Debug for Abs {
- fn fmt(&self, f: &mut Formatter) -> fmt::Result {
- write!(f, "{}pt", round_2(self.to_pt()))
- }
-}
-
-impl Neg for Abs {
- type Output = Self;
-
- fn neg(self) -> Self {
- Self(-self.0)
- }
-}
-
-impl Add for Abs {
- type Output = Self;
-
- fn add(self, other: Self) -> Self {
- Self(self.0 + other.0)
- }
-}
-
-sub_impl!(Abs - Abs -> Abs);
-
-impl Mul<f64> for Abs {
- type Output = Self;
-
- fn mul(self, other: f64) -> Self {
- Self(self.0 * other)
- }
-}
-
-impl Mul<Abs> for f64 {
- type Output = Abs;
-
- fn mul(self, other: Abs) -> Abs {
- other * self
- }
-}
-
-impl Div<f64> for Abs {
- type Output = Self;
-
- fn div(self, other: f64) -> Self {
- Self(self.0 / other)
- }
-}
-
-impl Div for Abs {
- type Output = f64;
-
- fn div(self, other: Self) -> f64 {
- self.to_raw() / other.to_raw()
- }
-}
-
-assign_impl!(Abs += Abs);
-assign_impl!(Abs -= Abs);
-assign_impl!(Abs *= f64);
-assign_impl!(Abs /= f64);
-
-impl Rem for Abs {
- type Output = Self;
-
- fn rem(self, other: Self) -> Self::Output {
- Self(self.0 % other.0)
- }
-}
-
-impl Sum for Abs {
- fn sum<I: Iterator<Item = Self>>(iter: I) -> Self {
- Self(iter.map(|s| s.0).sum())
- }
-}
-
-impl<'a> Sum<&'a Self> for Abs {
- fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self {
- Self(iter.map(|s| s.0).sum())
- }
-}
-
-cast! {
- Abs,
- self => Value::Length(self.into()),
-}
-
-/// Different units of absolute measurement.
-#[derive(Copy, Clone, Eq, PartialEq, Hash)]
-pub enum AbsUnit {
- /// Points.
- Pt,
- /// Millimeters.
- Mm,
- /// Centimeters.
- Cm,
- /// Inches.
- In,
-}
-
-impl AbsUnit {
- /// How many raw units correspond to a value of `1.0` in this unit.
- fn raw_scale(self) -> f64 {
- match self {
- AbsUnit::Pt => 1.0,
- AbsUnit::Mm => 2.83465,
- AbsUnit::Cm => 28.3465,
- AbsUnit::In => 72.0,
- }
- }
-}
-
-impl Debug for AbsUnit {
- fn fmt(&self, f: &mut Formatter) -> fmt::Result {
- f.pad(match self {
- AbsUnit::Mm => "mm",
- AbsUnit::Pt => "pt",
- AbsUnit::Cm => "cm",
- AbsUnit::In => "in",
- })
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn test_length_unit_conversion() {
- assert!((Abs::mm(150.0).to_cm() - 15.0) < 1e-4);
- }
-}
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