/* 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::values::RGBA;
use crate::Zero;

pub use crate::values::specified::SVGPaintOrder;

pub use crate::values::specified::MozContextProperties;

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

impl Default for SVGPaint {
    fn default() -> Self {
        SVGPaint {
            kind: generic::SVGPaintKind::None,
            fallback: None,
        }
    }
}

impl SVGPaint {
    /// Opaque black color
    pub fn black() -> Self {
        let rgba = RGBA::from_floats(0., 0., 0., 1.).into();
        SVGPaint {
            kind: generic::SVGPaintKind::Color(rgba),
            fallback: None,
        }
    }
}

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

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

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

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

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

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