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76be1f8515
* Create helper for converting d to t values * Add euclidean option for tangent and normal * Modified bezier functions signatures to accept ComputeType * Stylistic changes per review * Added ComputeType documentation * Renamed ComputeType to TValue * Fixed comments * Fixed failing unit tests * Code review * Fix comments in code review * Renamed compute_type_to_parametric to t_value_to_parametric --------- Co-authored-by: Linda Zheng <thelindazheng@gmail.com> Co-authored-by: Keavon Chambers <keavon@keavon.com>
33 lines
1.5 KiB
Rust
33 lines
1.5 KiB
Rust
// Implementation constants
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/// Constant used to determine if `f64`s are equivalent.
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pub const MAX_ABSOLUTE_DIFFERENCE: f64 = 1e-3;
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/// A stricter constant used to determine if `f64`s are equivalent.
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pub const STRICT_MAX_ABSOLUTE_DIFFERENCE: f64 = 1e-6;
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/// Number of distances used in search algorithm for `project`.
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pub const NUM_DISTANCES: usize = 5;
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/// Maximum allowed angle that the normal of the `start` or `end` point can make with the normal of the corresponding handle for a curve to be considered scalable/simple.
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pub const SCALABLE_CURVE_MAX_ENDPOINT_NORMAL_ANGLE: f64 = std::f64::consts::PI / 3.;
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/// Minimum allowable separation between adjacent `t` values when calculating curve intersections
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pub const MIN_SEPERATION_VALUE: f64 = 5. * 1e-3;
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/// Default error bound for `t_value_to_parametric` function when TValue argument is Euclidean
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pub const DEFAULT_EUCLIDEAN_ERROR_BOUND: f64 = 0.001;
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// Method argument defaults
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/// Default `t` value used for the `curve_through_points` functions.
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pub const DEFAULT_T_VALUE: f64 = 0.5;
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/// Default LUT step size in `compute_lookup_table` function.
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pub const DEFAULT_LUT_STEP_SIZE: usize = 10;
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/// Default number of subdivisions used in `length` calculation.
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pub const DEFAULT_LENGTH_SUBDIVISIONS: usize = 1000;
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/// Default step size for `reduce` function.
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pub const DEFAULT_REDUCE_STEP_SIZE: f64 = 0.01;
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// SVG constants
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pub const SVG_ARG_CUBIC: &str = "C";
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pub const SVG_ARG_LINEAR: &str = "L";
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pub const SVG_ARG_MOVE: &str = "M";
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pub const SVG_ARG_QUADRATIC: &str = "Q";
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pub const SVG_ARG_CLOSED: &str = "Z";
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