read-fonts 0.46.0

// THIS FILE IS AUTOGENERATED.
// Any changes to this file will be overwritten.
// For more information about how codegen works, see font-codegen/README.md

#[allow(unused_imports)]
use crate::codegen_prelude::*;

impl<'a> MinByteRange<'a> for Vorg<'a> {
    fn min_byte_range(&self) -> Range<usize> {
        0..self.vert_origin_y_metrics_byte_range().end
    }
    fn min_table_bytes(&self) -> &'a [u8] {
        let range = self.min_byte_range();
        self.offset_data().as_bytes().get(range).unwrap_or_default()
    }
}

impl TopLevelTable for Vorg<'_> {
    /// `VORG`
    const TAG: Tag = Tag::new(b"VORG");
}

impl ReadArgs for Vorg<'_> {
    type Args = ();
}

impl<'a> FontRead<'a> for Vorg<'a> {
    fn read_with_args(data: FontData<'a>, _: ()) -> Result<Self, ReadError> {
        #[allow(clippy::absurd_extreme_comparisons)]
        if data.len() < Self::MIN_SIZE {
            return Err(ReadError::OutOfBounds);
        }
        let Some(data) = TableDataRef::new(data.as_bytes()) else {
            return Err(ReadError::OutOfBounds);
        };
        Ok(Self { data })
    }
}

/// The fields at the start of the table, which are read directly.
#[derive(Clone, Copy, bytemuck :: AnyBitPattern)]
#[repr(C, packed)]
#[doc(hidden)]
pub struct VorgFixedHeader {
    pub version: BigEndian<MajorMinor>,
    pub default_vert_origin_y: BigEndian<i16>,
    pub num_vert_origin_y_metrics: BigEndian<u16>,
}

#[allow(clippy::absurd_extreme_comparisons)]
const _: () = assert!(std::mem::size_of::<VorgFixedHeader>() <= Vorg::MIN_SIZE);

/// The [VORG (Vertical Origin)](https://docs.microsoft.com/en-us/typography/opentype/spec/vorg) table.
#[derive(Clone)]
pub struct Vorg<'a> {
    data: TableDataRef<'a, VorgFixedHeader>,
}

#[allow(clippy::needless_lifetimes)]
impl<'a> Vorg<'a> {
    pub const MIN_SIZE: usize = (MajorMinor::RAW_BYTE_LEN + i16::RAW_BYTE_LEN + u16::RAW_BYTE_LEN);
    basic_table_impls!(impl_the_methods);

    /// Major/minor version number. Set to 1.0.
    pub fn version(&self) -> MajorMinor {
        self.data.header().version.get()
    }

    /// The y coordinate of a glyph’s vertical origin, in the font’s design
    /// coordinate system, to be used if no entry is present for the glyph
    /// in the vertOriginYMetrics array.
    pub fn default_vert_origin_y(&self) -> i16 {
        self.data.header().default_vert_origin_y.get()
    }

    /// Number of elements in the vertOriginYMetrics array.
    pub fn num_vert_origin_y_metrics(&self) -> u16 {
        self.data.header().num_vert_origin_y_metrics.get()
    }

    /// Array of VertOriginYMetrics records, sorted by glyph ID.
    pub fn vert_origin_y_metrics(&self) -> &'a [VertOriginYMetrics] {
        let range = self.vert_origin_y_metrics_byte_range();
        self.offset_data()
            .read_array(range)
            .ok()
            .unwrap_or_default()
    }

    pub fn version_byte_range(&self) -> Range<usize> {
        let start = 0;
        let end = start + MajorMinor::RAW_BYTE_LEN;
        start..end
    }

    pub fn default_vert_origin_y_byte_range(&self) -> Range<usize> {
        let start = self.version_byte_range().end;
        let end = start + i16::RAW_BYTE_LEN;
        start..end
    }

    pub fn num_vert_origin_y_metrics_byte_range(&self) -> Range<usize> {
        let start = self.default_vert_origin_y_byte_range().end;
        let end = start + u16::RAW_BYTE_LEN;
        start..end
    }

    pub fn vert_origin_y_metrics_byte_range(&self) -> Range<usize> {
        let num_vert_origin_y_metrics = self.num_vert_origin_y_metrics();
        let start = self.num_vert_origin_y_metrics_byte_range().end;
        let end = start
            + (transforms::to_usize(num_vert_origin_y_metrics))
                .saturating_mul(VertOriginYMetrics::RAW_BYTE_LEN);
        start..end
    }
}

const _: () = assert!(FontData::default_data_long_enough(Vorg::MIN_SIZE));

impl Default for Vorg<'_> {
    fn default() -> Self {
        Self {
            data: TableDataRef::new(FontData::default_table_data().as_bytes())
                .unwrap_or_else(|| unreachable!("the default data covers MIN_SIZE")),
        }
    }
}

/// Vertical origin Y metrics record.
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)]
#[repr(C)]
#[repr(packed)]
pub struct VertOriginYMetrics {
    /// Glyph index.
    pub glyph_index: BigEndian<GlyphId16>,
    /// Y coordinate, in the font’s design coordinate system, of the glyph’s vertical origin.
    pub vert_origin_y: BigEndian<i16>,
}

impl VertOriginYMetrics {
    /// Glyph index.
    pub fn glyph_index(&self) -> GlyphId16 {
        self.glyph_index.get()
    }

    /// Y coordinate, in the font’s design coordinate system, of the glyph’s vertical origin.
    pub fn vert_origin_y(&self) -> i16 {
        self.vert_origin_y.get()
    }
}

impl FixedSize for VertOriginYMetrics {
    const RAW_BYTE_LEN: usize = GlyphId16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN;
}