// 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 Ankr<'a> {

    fn min_byte_range(&self) -> Range<usize> {

        0..self.glyph_data_table_offset_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 Ankr<'_> {

    /// `ankr`

    const TAG: Tag = Tag::new(b"ankr");

}

impl ReadArgs for Ankr<'_> {

    type Args = ();

}

impl<'a> FontRead<'a> for Ankr<'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 AnkrFixedHeader {

    pub version: BigEndian<u16>,

    pub flags: BigEndian<u16>,

    pub lookup_table_offset: BigEndian<Offset32>,

    pub glyph_data_table_offset: BigEndian<u32>,

}

#[allow(clippy::absurd_extreme_comparisons)]

const _: () = assert!(std::mem::size_of::<AnkrFixedHeader>() <= Ankr::MIN_SIZE);

/// The [anchor point](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ankr.html) table.

#[derive(Clone)]

pub struct Ankr<'a> {

    data: TableDataRef<'a, AnkrFixedHeader>,

}

#[allow(clippy::needless_lifetimes)]

impl<'a> Ankr<'a> {

    pub const MIN_SIZE: usize =

        (u16::RAW_BYTE_LEN + u16::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + u32::RAW_BYTE_LEN);

    basic_table_impls!(impl_the_methods);

    /// Version number (set to zero).

    pub fn version(&self) -> u16 {

        self.data.header().version.get()

    }

    /// Flags (currently unused; set to zero).

    pub fn flags(&self) -> u16 {

        self.data.header().flags.get()

    }

    /// Offset to the table's lookup table; currently this is always `0x0000000C`.

    ///

    /// Lookup values are two byte offsets into the glyph data table.

    pub fn lookup_table_offset(&self) -> Offset32 {

        self.data.header().lookup_table_offset.get()

    }

    /// Attempt to resolve [`lookup_table_offset`][Self::lookup_table_offset].

    pub fn lookup_table(&self) -> Result<LookupU16<'a>, ReadError> {

        let data = self.offset_data();

        self.lookup_table_offset().resolve(data)

    }

    /// Offset to the glyph data table.

    pub fn glyph_data_table_offset(&self) -> u32 {

        self.data.header().glyph_data_table_offset.get()

    }

    pub fn version_byte_range(&self) -> Range<usize> {

        let start = 0;

        let end = start + u16::RAW_BYTE_LEN;

        start..end

    }

    pub fn flags_byte_range(&self) -> Range<usize> {

        let start = self.version_byte_range().end;

        let end = start + u16::RAW_BYTE_LEN;

        start..end

    }

    pub fn lookup_table_offset_byte_range(&self) -> Range<usize> {

        let start = self.flags_byte_range().end;

        let end = start + Offset32::RAW_BYTE_LEN;

        start..end

    }

    pub fn glyph_data_table_offset_byte_range(&self) -> Range<usize> {

        let start = self.lookup_table_offset_byte_range().end;

        let end = start + u32::RAW_BYTE_LEN;

        start..end

    }

}

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

impl Default for Ankr<'_> {

    fn default() -> Self {

        Self {

            data: TableDataRef::new(FontData::default_table_data().as_bytes())

                .unwrap_or_else(|| unreachable!("the default data covers MIN_SIZE")),

        }

    }

}

impl<'a> MinByteRange<'a> for GlyphDataEntry<'a> {

    fn min_byte_range(&self) -> Range<usize> {

        0..self.anchor_points_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 ReadArgs for GlyphDataEntry<'_> {

    type Args = ();

}

impl<'a> FontRead<'a> for GlyphDataEntry<'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 GlyphDataEntryFixedHeader {

    pub num_points: BigEndian<u32>,

}

#[allow(clippy::absurd_extreme_comparisons)]

const _: () = assert!(std::mem::size_of::<GlyphDataEntryFixedHeader>() <= GlyphDataEntry::MIN_SIZE);

#[derive(Clone)]

pub struct GlyphDataEntry<'a> {

    data: TableDataRef<'a, GlyphDataEntryFixedHeader>,

}

#[allow(clippy::needless_lifetimes)]

impl<'a> GlyphDataEntry<'a> {

    pub const MIN_SIZE: usize = u32::RAW_BYTE_LEN;

    basic_table_impls!(impl_the_methods);

    /// Number of anchor points for this glyph.

    pub fn num_points(&self) -> u32 {

        self.data.header().num_points.get()

    }

    /// Individual anchor points.

    pub fn anchor_points(&self) -> &'a [AnchorPoint] {

        let range = self.anchor_points_byte_range();

        self.offset_data()

            .read_array(range)

            .ok()

            .unwrap_or_default()

    }

    pub fn num_points_byte_range(&self) -> Range<usize> {

        let start = 0;

        let end = start + u32::RAW_BYTE_LEN;

        start..end

    }

    pub fn anchor_points_byte_range(&self) -> Range<usize> {

        let num_points = self.num_points();

        let start = self.num_points_byte_range().end;

        let end =

            start + (transforms::to_usize(num_points)).saturating_mul(AnchorPoint::RAW_BYTE_LEN);

        start..end

    }

}

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

impl Default for GlyphDataEntry<'_> {

    fn default() -> Self {

        Self {

            data: TableDataRef::new(FontData::default_table_data().as_bytes())

                .unwrap_or_else(|| unreachable!("the default data covers MIN_SIZE")),

        }

    }

}

/// Individual anchor point.

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)]

#[repr(C)]

#[repr(packed)]

pub struct AnchorPoint {

    pub x: BigEndian<i16>,

    pub y: BigEndian<i16>,

}

impl AnchorPoint {

    pub fn x(&self) -> i16 {

        self.x.get()

    }

    pub fn y(&self) -> i16 {

        self.y.get()

    }

}

impl FixedSize for AnchorPoint {

    const RAW_BYTE_LEN: usize = i16::RAW_BYTE_LEN + i16::RAW_BYTE_LEN;

}