// 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 Cblc<'a> {

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

        0..self.bitmap_sizes_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 Cblc<'_> {

    /// `CBLC`

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

}

impl ReadArgs for Cblc<'_> {

    type Args = ();

}

impl<'a> FontRead<'a> for Cblc<'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 CblcFixedHeader {

    pub major_version: BigEndian<u16>,

    pub minor_version: BigEndian<u16>,

    pub num_sizes: BigEndian<u32>,

}

#[allow(clippy::absurd_extreme_comparisons)]

const _: () = assert!(std::mem::size_of::<CblcFixedHeader>() <= Cblc::MIN_SIZE);

/// The [Color Bitmap Location](https://learn.microsoft.com/en-us/typography/opentype/spec/cblc) table

#[derive(Clone)]

pub struct Cblc<'a> {

    data: TableDataRef<'a, CblcFixedHeader>,

}

#[allow(clippy::needless_lifetimes)]

impl<'a> Cblc<'a> {

    pub const MIN_SIZE: usize = (u16::RAW_BYTE_LEN + u16::RAW_BYTE_LEN + u32::RAW_BYTE_LEN);

    basic_table_impls!(impl_the_methods);

    /// Major version of the CBLC table, = 3.

    pub fn major_version(&self) -> u16 {

        self.data.header().major_version.get()

    }

    /// Minor version of CBLC table, = 0.

    pub fn minor_version(&self) -> u16 {

        self.data.header().minor_version.get()

    }

    /// Number of BitmapSize records.

    pub fn num_sizes(&self) -> u32 {

        self.data.header().num_sizes.get()

    }

    /// BitmapSize records array.

    pub fn bitmap_sizes(&self) -> &'a [BitmapSize] {

        let range = self.bitmap_sizes_byte_range();

        self.offset_data()

            .read_array(range)

            .ok()

            .unwrap_or_default()

    }

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

        let start = 0;

        let end = start + u16::RAW_BYTE_LEN;

        start..end

    }

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

        let start = self.major_version_byte_range().end;

        let end = start + u16::RAW_BYTE_LEN;

        start..end

    }

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

        let start = self.minor_version_byte_range().end;

        let end = start + u32::RAW_BYTE_LEN;

        start..end

    }

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

        let num_sizes = self.num_sizes();

        let start = self.num_sizes_byte_range().end;

        let end =

            start + (transforms::to_usize(num_sizes)).saturating_mul(BitmapSize::RAW_BYTE_LEN);

        start..end

    }

}

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

impl Default for Cblc<'_> {

    fn default() -> Self {

        Self {

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

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

        }

    }

}