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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

//! Computed types for SVG properties.

use crate::values::computed::color::Color;
use crate::values::computed::url::ComputedUrl;
use crate::values::computed::{LengthPercentage, NonNegativeLengthPercentage, Opacity};
use crate::values::generics::svg as generic;
use crate::Zero;

pub use crate::values::specified::{DProperty, MozContextProperties, SVGPaintOrder};

/// Computed SVG Paint value
pub type SVGPaint = generic::GenericSVGPaint<Color, ComputedUrl>;

/// Computed SVG Paint Kind value
pub type SVGPaintKind = generic::GenericSVGPaintKind<Color, ComputedUrl>;

impl SVGPaint {
    /// Opaque black color
    pub const BLACK: Self = Self {
        kind: generic::SVGPaintKind::Color(Color::BLACK),
        fallback: generic::SVGPaintFallback::Unset,
    };
}

/// <length> | <percentage> | <number> | context-value
pub type SVGLength = generic::GenericSVGLength<LengthPercentage>;

impl SVGLength {
    /// `0px`
    pub fn zero() -> Self {
        generic::SVGLength::LengthPercentage(LengthPercentage::zero())
    }
}

/// An non-negative wrapper of SVGLength.
pub type SVGWidth = generic::GenericSVGLength<NonNegativeLengthPercentage>;

impl SVGWidth {
    /// `1px`.
    pub fn one() -> Self {
        use crate::values::generics::NonNegative;
        generic::SVGLength::LengthPercentage(NonNegative(LengthPercentage::one()))
    }
}

/// [ <length> | <percentage> | <number> ]# | context-value
pub type SVGStrokeDashArray = generic::GenericSVGStrokeDashArray<NonNegativeLengthPercentage>;

impl Default for SVGStrokeDashArray {
    fn default() -> Self {
        generic::SVGStrokeDashArray::Values(Default::default())
    }
}

/// <opacity-value> | context-fill-opacity | context-stroke-opacity
pub type SVGOpacity = generic::GenericSVGOpacity<Opacity>;

impl Default for SVGOpacity {
    fn default() -> Self {
        generic::SVGOpacity::Opacity(1.)
    }
}