// 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::*;
/// [VARC](https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md) (Variable Composites / Components Table)
///
/// [FontTools VARC](https://github.com/fonttools/fonttools/blob/5e6b12d12fa08abafbeb7570f47707fbedf69a45/Lib/fontTools/ttLib/tables/otData.py#L3459-L3476)
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct VarcMarker {}
impl VarcMarker {
fn version_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + MajorMinor::RAW_BYTE_LEN
}
fn coverage_offset_byte_range(&self) -> Range<usize> {
let start = self.version_byte_range().end;
start..start + Offset32::RAW_BYTE_LEN
}
fn multi_var_store_offset_byte_range(&self) -> Range<usize> {
let start = self.coverage_offset_byte_range().end;
start..start + Offset32::RAW_BYTE_LEN
}
fn condition_list_offset_byte_range(&self) -> Range<usize> {
let start = self.multi_var_store_offset_byte_range().end;
start..start + Offset32::RAW_BYTE_LEN
}
fn axis_indices_list_offset_byte_range(&self) -> Range<usize> {
let start = self.condition_list_offset_byte_range().end;
start..start + Offset32::RAW_BYTE_LEN
}
fn var_composite_glyphs_offset_byte_range(&self) -> Range<usize> {
let start = self.axis_indices_list_offset_byte_range().end;
start..start + Offset32::RAW_BYTE_LEN
}
}
impl TopLevelTable for Varc<'_> {
/// `VARC`
const TAG: Tag = Tag::new(b"VARC");
}
impl<'a> FontRead<'a> for Varc<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<MajorMinor>();
cursor.advance::<Offset32>();
cursor.advance::<Offset32>();
cursor.advance::<Offset32>();
cursor.advance::<Offset32>();
cursor.advance::<Offset32>();
cursor.finish(VarcMarker {})
}
}
/// [VARC](https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md) (Variable Composites / Components Table)
///
/// [FontTools VARC](https://github.com/fonttools/fonttools/blob/5e6b12d12fa08abafbeb7570f47707fbedf69a45/Lib/fontTools/ttLib/tables/otData.py#L3459-L3476)
pub type Varc<'a> = TableRef<'a, VarcMarker>;
impl<'a> Varc<'a> {
/// Major/minor version number. Set to 1.0.
pub fn version(&self) -> MajorMinor {
let range = self.shape.version_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn coverage_offset(&self) -> Offset32 {
let range = self.shape.coverage_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`coverage_offset`][Self::coverage_offset].
pub fn coverage(&self) -> Result<CoverageTable<'a>, ReadError> {
let data = self.data;
self.coverage_offset().resolve(data)
}
pub fn multi_var_store_offset(&self) -> Nullable<Offset32> {
let range = self.shape.multi_var_store_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`multi_var_store_offset`][Self::multi_var_store_offset].
pub fn multi_var_store(&self) -> Option<Result<MultiItemVariationStore<'a>, ReadError>> {
let data = self.data;
self.multi_var_store_offset().resolve(data)
}
pub fn condition_list_offset(&self) -> Nullable<Offset32> {
let range = self.shape.condition_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`condition_list_offset`][Self::condition_list_offset].
pub fn condition_list(&self) -> Option<Result<ConditionList<'a>, ReadError>> {
let data = self.data;
self.condition_list_offset().resolve(data)
}
pub fn axis_indices_list_offset(&self) -> Nullable<Offset32> {
let range = self.shape.axis_indices_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`axis_indices_list_offset`][Self::axis_indices_list_offset].
pub fn axis_indices_list(&self) -> Option<Result<Index2<'a>, ReadError>> {
let data = self.data;
self.axis_indices_list_offset().resolve(data)
}
pub fn var_composite_glyphs_offset(&self) -> Offset32 {
let range = self.shape.var_composite_glyphs_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`var_composite_glyphs_offset`][Self::var_composite_glyphs_offset].
pub fn var_composite_glyphs(&self) -> Result<Index2<'a>, ReadError> {
let data = self.data;
self.var_composite_glyphs_offset().resolve(data)
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for Varc<'a> {
fn type_name(&self) -> &str {
"Varc"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("version", self.version())),
1usize => Some(Field::new(
"coverage_offset",
FieldType::offset(self.coverage_offset(), self.coverage()),
)),
2usize => Some(Field::new(
"multi_var_store_offset",
FieldType::offset(self.multi_var_store_offset(), self.multi_var_store()),
)),
3usize => Some(Field::new(
"condition_list_offset",
FieldType::offset(self.condition_list_offset(), self.condition_list()),
)),
4usize => Some(Field::new(
"axis_indices_list_offset",
FieldType::offset(self.axis_indices_list_offset(), self.axis_indices_list()),
)),
5usize => Some(Field::new(
"var_composite_glyphs_offset",
FieldType::offset(
self.var_composite_glyphs_offset(),
self.var_composite_glyphs(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for Varc<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
impl Format<u16> for MultiItemVariationStoreMarker {
const FORMAT: u16 = 1;
}
/// * <https://github.com/fonttools/fonttools/blob/5e6b12d12fa08abafbeb7570f47707fbedf69a45/Lib/fontTools/ttLib/tables/otData.py#L3451-L3457>
/// * <https://github.com/harfbuzz/harfbuzz/blob/7be12b33e3f07067c159d8f516eb31df58c75876/src/hb-ot-layout-common.hh#L3517-L3520C3>
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct MultiItemVariationStoreMarker {
variation_data_offsets_byte_len: usize,
}
impl MultiItemVariationStoreMarker {
fn format_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn region_list_offset_byte_range(&self) -> Range<usize> {
let start = self.format_byte_range().end;
start..start + Offset32::RAW_BYTE_LEN
}
fn variation_data_count_byte_range(&self) -> Range<usize> {
let start = self.region_list_offset_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn variation_data_offsets_byte_range(&self) -> Range<usize> {
let start = self.variation_data_count_byte_range().end;
start..start + self.variation_data_offsets_byte_len
}
}
impl<'a> FontRead<'a> for MultiItemVariationStore<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u16>();
cursor.advance::<Offset32>();
let variation_data_count: u16 = cursor.read()?;
let variation_data_offsets_byte_len = (variation_data_count as usize)
.checked_mul(Offset32::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(variation_data_offsets_byte_len);
cursor.finish(MultiItemVariationStoreMarker {
variation_data_offsets_byte_len,
})
}
}
/// * <https://github.com/fonttools/fonttools/blob/5e6b12d12fa08abafbeb7570f47707fbedf69a45/Lib/fontTools/ttLib/tables/otData.py#L3451-L3457>
/// * <https://github.com/harfbuzz/harfbuzz/blob/7be12b33e3f07067c159d8f516eb31df58c75876/src/hb-ot-layout-common.hh#L3517-L3520C3>
pub type MultiItemVariationStore<'a> = TableRef<'a, MultiItemVariationStoreMarker>;
impl<'a> MultiItemVariationStore<'a> {
pub fn format(&self) -> u16 {
let range = self.shape.format_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn region_list_offset(&self) -> Offset32 {
let range = self.shape.region_list_offset_byte_range();
self.data.read_at(range.start).unwrap()
}
/// Attempt to resolve [`region_list_offset`][Self::region_list_offset].
pub fn region_list(&self) -> Result<SparseVariationRegionList<'a>, ReadError> {
let data = self.data;
self.region_list_offset().resolve(data)
}
pub fn variation_data_count(&self) -> u16 {
let range = self.shape.variation_data_count_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn variation_data_offsets(&self) -> &'a [BigEndian<Offset32>] {
let range = self.shape.variation_data_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`variation_data_offsets`][Self::variation_data_offsets].
pub fn variation_data(&self) -> ArrayOfOffsets<'a, MultiItemVariationData<'a>, Offset32> {
let data = self.data;
let offsets = self.variation_data_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for MultiItemVariationStore<'a> {
fn type_name(&self) -> &str {
"MultiItemVariationStore"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("format", self.format())),
1usize => Some(Field::new(
"region_list_offset",
FieldType::offset(self.region_list_offset(), self.region_list()),
)),
2usize => Some(Field::new(
"variation_data_count",
self.variation_data_count(),
)),
3usize => Some({
let data = self.data;
Field::new(
"variation_data_offsets",
FieldType::array_of_offsets(
better_type_name::<MultiItemVariationData>(),
self.variation_data_offsets(),
move |off| {
let target = off.get().resolve::<MultiItemVariationData>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for MultiItemVariationStore<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct SparseVariationRegionListMarker {
region_offsets_byte_len: usize,
}
impl SparseVariationRegionListMarker {
fn region_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn region_offsets_byte_range(&self) -> Range<usize> {
let start = self.region_count_byte_range().end;
start..start + self.region_offsets_byte_len
}
}
impl<'a> FontRead<'a> for SparseVariationRegionList<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let region_count: u16 = cursor.read()?;
let region_offsets_byte_len = (region_count as usize)
.checked_mul(Offset32::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(region_offsets_byte_len);
cursor.finish(SparseVariationRegionListMarker {
region_offsets_byte_len,
})
}
}
pub type SparseVariationRegionList<'a> = TableRef<'a, SparseVariationRegionListMarker>;
impl<'a> SparseVariationRegionList<'a> {
pub fn region_count(&self) -> u16 {
let range = self.shape.region_count_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn region_offsets(&self) -> &'a [BigEndian<Offset32>] {
let range = self.shape.region_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`region_offsets`][Self::region_offsets].
pub fn regions(&self) -> ArrayOfOffsets<'a, SparseVariationRegion<'a>, Offset32> {
let data = self.data;
let offsets = self.region_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for SparseVariationRegionList<'a> {
fn type_name(&self) -> &str {
"SparseVariationRegionList"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("region_count", self.region_count())),
1usize => Some({
let data = self.data;
Field::new(
"region_offsets",
FieldType::array_of_offsets(
better_type_name::<SparseVariationRegion>(),
self.region_offsets(),
move |off| {
let target = off.get().resolve::<SparseVariationRegion>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for SparseVariationRegionList<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct SparseVariationRegionMarker {
region_axis_offsets_byte_len: usize,
}
impl SparseVariationRegionMarker {
fn region_axis_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u16::RAW_BYTE_LEN
}
fn region_axis_offsets_byte_range(&self) -> Range<usize> {
let start = self.region_axis_count_byte_range().end;
start..start + self.region_axis_offsets_byte_len
}
}
impl<'a> FontRead<'a> for SparseVariationRegion<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let region_axis_count: u16 = cursor.read()?;
let region_axis_offsets_byte_len = (region_axis_count as usize)
.checked_mul(SparseRegionAxisCoordinates::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(region_axis_offsets_byte_len);
cursor.finish(SparseVariationRegionMarker {
region_axis_offsets_byte_len,
})
}
}
pub type SparseVariationRegion<'a> = TableRef<'a, SparseVariationRegionMarker>;
impl<'a> SparseVariationRegion<'a> {
pub fn region_axis_count(&self) -> u16 {
let range = self.shape.region_axis_count_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn region_axis_offsets(&self) -> &'a [SparseRegionAxisCoordinates] {
let range = self.shape.region_axis_offsets_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for SparseVariationRegion<'a> {
fn type_name(&self) -> &str {
"SparseVariationRegion"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("region_axis_count", self.region_axis_count())),
1usize => Some(Field::new(
"region_axis_offsets",
traversal::FieldType::array_of_records(
stringify!(SparseRegionAxisCoordinates),
self.region_axis_offsets(),
self.offset_data(),
),
)),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for SparseVariationRegion<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, bytemuck :: AnyBitPattern)]
#[repr(C)]
#[repr(packed)]
pub struct SparseRegionAxisCoordinates {
pub axis_index: BigEndian<u16>,
pub start: BigEndian<F2Dot14>,
pub peak: BigEndian<F2Dot14>,
pub end: BigEndian<F2Dot14>,
}
impl SparseRegionAxisCoordinates {
pub fn axis_index(&self) -> u16 {
self.axis_index.get()
}
pub fn start(&self) -> F2Dot14 {
self.start.get()
}
pub fn peak(&self) -> F2Dot14 {
self.peak.get()
}
pub fn end(&self) -> F2Dot14 {
self.end.get()
}
}
impl FixedSize for SparseRegionAxisCoordinates {
const RAW_BYTE_LEN: usize =
u16::RAW_BYTE_LEN + F2Dot14::RAW_BYTE_LEN + F2Dot14::RAW_BYTE_LEN + F2Dot14::RAW_BYTE_LEN;
}
#[cfg(feature = "traversal")]
impl<'a> SomeRecord<'a> for SparseRegionAxisCoordinates {
fn traverse(self, data: FontData<'a>) -> RecordResolver<'a> {
RecordResolver {
name: "SparseRegionAxisCoordinates",
get_field: Box::new(move |idx, _data| match idx {
0usize => Some(Field::new("axis_index", self.axis_index())),
1usize => Some(Field::new("start", self.start())),
2usize => Some(Field::new("peak", self.peak())),
3usize => Some(Field::new("end", self.end())),
_ => None,
}),
data,
}
}
}
impl Format<u8> for MultiItemVariationDataMarker {
const FORMAT: u8 = 1;
}
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct MultiItemVariationDataMarker {
region_indices_byte_len: usize,
raw_delta_sets_byte_len: usize,
}
impl MultiItemVariationDataMarker {
fn format_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u8::RAW_BYTE_LEN
}
fn region_index_count_byte_range(&self) -> Range<usize> {
let start = self.format_byte_range().end;
start..start + u16::RAW_BYTE_LEN
}
fn region_indices_byte_range(&self) -> Range<usize> {
let start = self.region_index_count_byte_range().end;
start..start + self.region_indices_byte_len
}
fn raw_delta_sets_byte_range(&self) -> Range<usize> {
let start = self.region_indices_byte_range().end;
start..start + self.raw_delta_sets_byte_len
}
}
impl<'a> FontRead<'a> for MultiItemVariationData<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
cursor.advance::<u8>();
let region_index_count: u16 = cursor.read()?;
let region_indices_byte_len = (region_index_count as usize)
.checked_mul(u16::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(region_indices_byte_len);
let raw_delta_sets_byte_len =
cursor.remaining_bytes() / u8::RAW_BYTE_LEN * u8::RAW_BYTE_LEN;
cursor.advance_by(raw_delta_sets_byte_len);
cursor.finish(MultiItemVariationDataMarker {
region_indices_byte_len,
raw_delta_sets_byte_len,
})
}
}
pub type MultiItemVariationData<'a> = TableRef<'a, MultiItemVariationDataMarker>;
impl<'a> MultiItemVariationData<'a> {
pub fn format(&self) -> u8 {
let range = self.shape.format_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn region_index_count(&self) -> u16 {
let range = self.shape.region_index_count_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn region_indices(&self) -> &'a [BigEndian<u16>] {
let range = self.shape.region_indices_byte_range();
self.data.read_array(range).unwrap()
}
pub fn raw_delta_sets(&self) -> &'a [u8] {
let range = self.shape.raw_delta_sets_byte_range();
self.data.read_array(range).unwrap()
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for MultiItemVariationData<'a> {
fn type_name(&self) -> &str {
"MultiItemVariationData"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("format", self.format())),
1usize => Some(Field::new("region_index_count", self.region_index_count())),
2usize => Some(Field::new("region_indices", self.region_indices())),
3usize => Some(Field::new("raw_delta_sets", self.raw_delta_sets())),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for MultiItemVariationData<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
#[derive(Debug, Clone, Copy)]
#[doc(hidden)]
pub struct ConditionListMarker {
condition_offsets_byte_len: usize,
}
impl ConditionListMarker {
fn condition_count_byte_range(&self) -> Range<usize> {
let start = 0;
start..start + u32::RAW_BYTE_LEN
}
fn condition_offsets_byte_range(&self) -> Range<usize> {
let start = self.condition_count_byte_range().end;
start..start + self.condition_offsets_byte_len
}
}
impl<'a> FontRead<'a> for ConditionList<'a> {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
let mut cursor = data.cursor();
let condition_count: u32 = cursor.read()?;
let condition_offsets_byte_len = (condition_count as usize)
.checked_mul(Offset32::RAW_BYTE_LEN)
.ok_or(ReadError::OutOfBounds)?;
cursor.advance_by(condition_offsets_byte_len);
cursor.finish(ConditionListMarker {
condition_offsets_byte_len,
})
}
}
pub type ConditionList<'a> = TableRef<'a, ConditionListMarker>;
impl<'a> ConditionList<'a> {
pub fn condition_count(&self) -> u32 {
let range = self.shape.condition_count_byte_range();
self.data.read_at(range.start).unwrap()
}
pub fn condition_offsets(&self) -> &'a [BigEndian<Offset32>] {
let range = self.shape.condition_offsets_byte_range();
self.data.read_array(range).unwrap()
}
/// A dynamically resolving wrapper for [`condition_offsets`][Self::condition_offsets].
pub fn conditions(&self) -> ArrayOfOffsets<'a, Condition<'a>, Offset32> {
let data = self.data;
let offsets = self.condition_offsets();
ArrayOfOffsets::new(offsets, data, ())
}
}
#[cfg(feature = "traversal")]
impl<'a> SomeTable<'a> for ConditionList<'a> {
fn type_name(&self) -> &str {
"ConditionList"
}
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
match idx {
0usize => Some(Field::new("condition_count", self.condition_count())),
1usize => Some({
let data = self.data;
Field::new(
"condition_offsets",
FieldType::array_of_offsets(
better_type_name::<Condition>(),
self.condition_offsets(),
move |off| {
let target = off.get().resolve::<Condition>(data);
FieldType::offset(off.get(), target)
},
),
)
}),
_ => None,
}
}
}
#[cfg(feature = "traversal")]
impl<'a> std::fmt::Debug for ConditionList<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
(self as &dyn SomeTable<'a>).fmt(f)
}
}
/// Flags used in the [VarcComponent] byte stream
///
/// <https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md#variable-component-flags>
#[derive(Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Hash, bytemuck :: AnyBitPattern)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[repr(transparent)]
pub struct VarcFlags {
bits: u32,
}
impl VarcFlags {
pub const RESET_UNSPECIFIED_AXES: Self = Self {
bits: 0b0000_0000_0000_0001,
};
pub const HAVE_AXES: Self = Self {
bits: 0b0000_0000_0000_0010,
};
pub const AXIS_VALUES_HAVE_VARIATION: Self = Self {
bits: 0b0000_0000_0000_0100,
};
pub const TRANSFORM_HAS_VARIATION: Self = Self {
bits: 0b0000_0000_0000_1000,
};
pub const HAVE_TRANSLATE_X: Self = Self {
bits: 0b0000_0000_0001_0000,
};
pub const HAVE_TRANSLATE_Y: Self = Self {
bits: 0b0000_0000_0010_0000,
};
pub const HAVE_ROTATION: Self = Self {
bits: 0b0000_0000_0100_0000,
};
pub const HAVE_CONDITION: Self = Self {
bits: 0b0000_0000_1000_0000,
};
pub const HAVE_SCALE_X: Self = Self {
bits: 0b0000_0001_0000_0000,
};
pub const HAVE_SCALE_Y: Self = Self {
bits: 0b0000_0010_0000_0000,
};
pub const HAVE_TCENTER_X: Self = Self {
bits: 0b0000_0100_0000_0000,
};
pub const HAVE_TCENTER_Y: Self = Self {
bits: 0b0000_1000_0000_0000,
};
pub const GID_IS_24BIT: Self = Self {
bits: 0b0001_0000_0000_0000,
};
pub const HAVE_SKEW_X: Self = Self {
bits: 0b0010_0000_0000_0000,
};
pub const HAVE_SKEW_Y: Self = Self {
bits: 0b0100_0000_0000_0000,
};
pub const RESERVED_MASK: Self = Self { bits: 0xFFFF8000 };
}
impl VarcFlags {
/// Returns an empty set of flags.
#[inline]
pub const fn empty() -> Self {
Self { bits: 0 }
}
/// Returns the set containing all flags.
#[inline]
pub const fn all() -> Self {
Self {
bits: Self::RESET_UNSPECIFIED_AXES.bits
| Self::HAVE_AXES.bits
| Self::AXIS_VALUES_HAVE_VARIATION.bits
| Self::TRANSFORM_HAS_VARIATION.bits
| Self::HAVE_TRANSLATE_X.bits
| Self::HAVE_TRANSLATE_Y.bits
| Self::HAVE_ROTATION.bits
| Self::HAVE_CONDITION.bits
| Self::HAVE_SCALE_X.bits
| Self::HAVE_SCALE_Y.bits
| Self::HAVE_TCENTER_X.bits
| Self::HAVE_TCENTER_Y.bits
| Self::GID_IS_24BIT.bits
| Self::HAVE_SKEW_X.bits
| Self::HAVE_SKEW_Y.bits
| Self::RESERVED_MASK.bits,
}
}
/// Returns the raw value of the flags currently stored.
#[inline]
pub const fn bits(&self) -> u32 {
self.bits
}
/// Convert from underlying bit representation, unless that
/// representation contains bits that do not correspond to a flag.
#[inline]
pub const fn from_bits(bits: u32) -> Option<Self> {
if (bits & !Self::all().bits()) == 0 {
Some(Self { bits })
} else {
None
}
}
/// Convert from underlying bit representation, dropping any bits
/// that do not correspond to flags.
#[inline]
pub const fn from_bits_truncate(bits: u32) -> Self {
Self {
bits: bits & Self::all().bits,
}
}
/// Returns `true` if no flags are currently stored.
#[inline]
pub const fn is_empty(&self) -> bool {
self.bits() == Self::empty().bits()
}
/// Returns `true` if there are flags common to both `self` and `other`.
#[inline]
pub const fn intersects(&self, other: Self) -> bool {
!(Self {
bits: self.bits & other.bits,
})
.is_empty()
}
/// Returns `true` if all of the flags in `other` are contained within `self`.
#[inline]
pub const fn contains(&self, other: Self) -> bool {
(self.bits & other.bits) == other.bits
}
/// Inserts the specified flags in-place.
#[inline]
pub fn insert(&mut self, other: Self) {
self.bits |= other.bits;
}
/// Removes the specified flags in-place.
#[inline]
pub fn remove(&mut self, other: Self) {
self.bits &= !other.bits;
}
/// Toggles the specified flags in-place.
#[inline]
pub fn toggle(&mut self, other: Self) {
self.bits ^= other.bits;
}
/// Returns the intersection between the flags in `self` and
/// `other`.
///
/// Specifically, the returned set contains only the flags which are
/// present in *both* `self` *and* `other`.
///
/// This is equivalent to using the `&` operator (e.g.
/// [`ops::BitAnd`]), as in `flags & other`.
///
/// [`ops::BitAnd`]: https://doc.rust-lang.org/std/ops/trait.BitAnd.html
#[inline]
#[must_use]
pub const fn intersection(self, other: Self) -> Self {
Self {
bits: self.bits & other.bits,
}
}
/// Returns the union of between the flags in `self` and `other`.
///
/// Specifically, the returned set contains all flags which are
/// present in *either* `self` *or* `other`, including any which are
/// present in both.
///
/// This is equivalent to using the `|` operator (e.g.
/// [`ops::BitOr`]), as in `flags | other`.
///
/// [`ops::BitOr`]: https://doc.rust-lang.org/std/ops/trait.BitOr.html
#[inline]
#[must_use]
pub const fn union(self, other: Self) -> Self {
Self {
bits: self.bits | other.bits,
}
}
/// Returns the difference between the flags in `self` and `other`.
///
/// Specifically, the returned set contains all flags present in
/// `self`, except for the ones present in `other`.
///
/// It is also conceptually equivalent to the "bit-clear" operation:
/// `flags & !other` (and this syntax is also supported).
///
/// This is equivalent to using the `-` operator (e.g.
/// [`ops::Sub`]), as in `flags - other`.
///
/// [`ops::Sub`]: https://doc.rust-lang.org/std/ops/trait.Sub.html
#[inline]
#[must_use]
pub const fn difference(self, other: Self) -> Self {
Self {
bits: self.bits & !other.bits,
}
}
}
impl std::ops::BitOr for VarcFlags {
type Output = Self;
/// Returns the union of the two sets of flags.
#[inline]
fn bitor(self, other: VarcFlags) -> Self {
Self {
bits: self.bits | other.bits,
}
}
}
impl std::ops::BitOrAssign for VarcFlags {
/// Adds the set of flags.
#[inline]
fn bitor_assign(&mut self, other: Self) {
self.bits |= other.bits;
}
}
impl std::ops::BitXor for VarcFlags {
type Output = Self;
/// Returns the left flags, but with all the right flags toggled.
#[inline]
fn bitxor(self, other: Self) -> Self {
Self {
bits: self.bits ^ other.bits,
}
}
}
impl std::ops::BitXorAssign for VarcFlags {
/// Toggles the set of flags.
#[inline]
fn bitxor_assign(&mut self, other: Self) {
self.bits ^= other.bits;
}
}
impl std::ops::BitAnd for VarcFlags {
type Output = Self;
/// Returns the intersection between the two sets of flags.
#[inline]
fn bitand(self, other: Self) -> Self {
Self {
bits: self.bits & other.bits,
}
}
}
impl std::ops::BitAndAssign for VarcFlags {
/// Disables all flags disabled in the set.
#[inline]
fn bitand_assign(&mut self, other: Self) {
self.bits &= other.bits;
}
}
impl std::ops::Sub for VarcFlags {
type Output = Self;
/// Returns the set difference of the two sets of flags.
#[inline]
fn sub(self, other: Self) -> Self {
Self {
bits: self.bits & !other.bits,
}
}
}
impl std::ops::SubAssign for VarcFlags {
/// Disables all flags enabled in the set.
#[inline]
fn sub_assign(&mut self, other: Self) {
self.bits &= !other.bits;
}
}
impl std::ops::Not for VarcFlags {
type Output = Self;
/// Returns the complement of this set of flags.
#[inline]
fn not(self) -> Self {
Self { bits: !self.bits } & Self::all()
}
}
impl std::fmt::Debug for VarcFlags {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
let members: &[(&str, Self)] = &[
("RESET_UNSPECIFIED_AXES", Self::RESET_UNSPECIFIED_AXES),
("HAVE_AXES", Self::HAVE_AXES),
(
"AXIS_VALUES_HAVE_VARIATION",
Self::AXIS_VALUES_HAVE_VARIATION,
),
("TRANSFORM_HAS_VARIATION", Self::TRANSFORM_HAS_VARIATION),
("HAVE_TRANSLATE_X", Self::HAVE_TRANSLATE_X),
("HAVE_TRANSLATE_Y", Self::HAVE_TRANSLATE_Y),
("HAVE_ROTATION", Self::HAVE_ROTATION),
("HAVE_CONDITION", Self::HAVE_CONDITION),
("HAVE_SCALE_X", Self::HAVE_SCALE_X),
("HAVE_SCALE_Y", Self::HAVE_SCALE_Y),
("HAVE_TCENTER_X", Self::HAVE_TCENTER_X),
("HAVE_TCENTER_Y", Self::HAVE_TCENTER_Y),
("GID_IS_24BIT", Self::GID_IS_24BIT),
("HAVE_SKEW_X", Self::HAVE_SKEW_X),
("HAVE_SKEW_Y", Self::HAVE_SKEW_Y),
("RESERVED_MASK", Self::RESERVED_MASK),
];
let mut first = true;
for (name, value) in members {
if self.contains(*value) {
if !first {
f.write_str(" | ")?;
}
first = false;
f.write_str(name)?;
}
}
if first {
f.write_str("(empty)")?;
}
Ok(())
}
}
impl std::fmt::Binary for VarcFlags {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
std::fmt::Binary::fmt(&self.bits, f)
}
}
impl std::fmt::Octal for VarcFlags {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
std::fmt::Octal::fmt(&self.bits, f)
}
}
impl std::fmt::LowerHex for VarcFlags {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
std::fmt::LowerHex::fmt(&self.bits, f)
}
}
impl std::fmt::UpperHex for VarcFlags {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
std::fmt::UpperHex::fmt(&self.bits, f)
}
}
impl font_types::Scalar for VarcFlags {
type Raw = <u32 as font_types::Scalar>::Raw;
fn to_raw(self) -> Self::Raw {
self.bits().to_raw()
}
fn from_raw(raw: Self::Raw) -> Self {
let t = <u32>::from_raw(raw);
Self::from_bits_truncate(t)
}
}
#[cfg(feature = "traversal")]
impl<'a> From<VarcFlags> for FieldType<'a> {
fn from(src: VarcFlags) -> FieldType<'a> {
src.bits().into()
}
}
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