// 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 Varc<'a> { fn min_byte_range(&self) -> Range { 0..self.var_composite_glyphs_offset_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } 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 { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } /// [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(Clone)] pub struct Varc<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> Varc<'a> { pub const MIN_SIZE: usize = (MajorMinor::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN); basic_table_impls!(impl_the_methods); /// Major/minor version number. Set to 1.0. pub fn version(&self) -> MajorMinor { let range = self.version_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn coverage_offset(&self) -> Offset32 { let range = self.coverage_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Attempt to resolve [`coverage_offset`][Self::coverage_offset]. pub fn coverage(&self) -> Result, ReadError> { let data = self.data; self.coverage_offset().resolve(data) } pub fn multi_var_store_offset(&self) -> Nullable { let range = self.multi_var_store_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Attempt to resolve [`multi_var_store_offset`][Self::multi_var_store_offset]. pub fn multi_var_store(&self) -> Option, ReadError>> { let data = self.data; self.multi_var_store_offset().resolve(data) } pub fn condition_list_offset(&self) -> Nullable { let range = self.condition_list_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Attempt to resolve [`condition_list_offset`][Self::condition_list_offset]. pub fn condition_list(&self) -> Option, ReadError>> { let data = self.data; self.condition_list_offset().resolve(data) } pub fn axis_indices_list_offset(&self) -> Nullable { let range = self.axis_indices_list_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Attempt to resolve [`axis_indices_list_offset`][Self::axis_indices_list_offset]. pub fn axis_indices_list(&self) -> Option, ReadError>> { let data = self.data; self.axis_indices_list_offset().resolve(data) } pub fn var_composite_glyphs_offset(&self) -> Offset32 { let range = self.var_composite_glyphs_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Attempt to resolve [`var_composite_glyphs_offset`][Self::var_composite_glyphs_offset]. pub fn var_composite_glyphs(&self) -> Result, ReadError> { let data = self.data; self.var_composite_glyphs_offset().resolve(data) } pub fn version_byte_range(&self) -> Range { let start = 0; let end = start + MajorMinor::RAW_BYTE_LEN; start..end } pub fn coverage_offset_byte_range(&self) -> Range { let start = self.version_byte_range().end; let end = start + Offset32::RAW_BYTE_LEN; start..end } pub fn multi_var_store_offset_byte_range(&self) -> Range { let start = self.coverage_offset_byte_range().end; let end = start + Offset32::RAW_BYTE_LEN; start..end } pub fn condition_list_offset_byte_range(&self) -> Range { let start = self.multi_var_store_offset_byte_range().end; let end = start + Offset32::RAW_BYTE_LEN; start..end } pub fn axis_indices_list_offset_byte_range(&self) -> Range { let start = self.condition_list_offset_byte_range().end; let end = start + Offset32::RAW_BYTE_LEN; start..end } pub fn var_composite_glyphs_offset_byte_range(&self) -> Range { let start = self.axis_indices_list_offset_byte_range().end; let end = start + Offset32::RAW_BYTE_LEN; start..end } } const _: () = assert!(FontData::default_data_long_enough(Varc::MIN_SIZE)); impl Default for Varc<'_> { fn default() -> Self { Self { data: FontData::default_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for Varc<'a> { fn type_name(&self) -> &str { "Varc" } fn get_field(&self, idx: usize) -> Option> { 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 = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] 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 for MultiItemVariationStore<'_> { const FORMAT: u16 = 1; } impl<'a> MinByteRange<'a> for MultiItemVariationStore<'a> { fn min_byte_range(&self) -> Range { 0..self.variation_data_offsets_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } impl<'a> FontRead<'a> for MultiItemVariationStore<'a> { fn read(data: FontData<'a>) -> Result { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } /// * /// * #[derive(Clone)] pub struct MultiItemVariationStore<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> MultiItemVariationStore<'a> { pub const MIN_SIZE: usize = (u16::RAW_BYTE_LEN + Offset32::RAW_BYTE_LEN + u16::RAW_BYTE_LEN); basic_table_impls!(impl_the_methods); pub fn format(&self) -> u16 { let range = self.format_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn region_list_offset(&self) -> Offset32 { let range = self.region_list_offset_byte_range(); self.data.read_at(range.start).ok().unwrap() } /// Attempt to resolve [`region_list_offset`][Self::region_list_offset]. pub fn region_list(&self) -> Result, ReadError> { let data = self.data; self.region_list_offset().resolve(data) } pub fn variation_data_count(&self) -> u16 { let range = self.variation_data_count_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn variation_data_offsets(&self) -> &'a [BigEndian] { let range = self.variation_data_offsets_byte_range(); self.data.read_array(range).ok().unwrap_or_default() } /// 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, ()) } pub fn format_byte_range(&self) -> Range { let start = 0; let end = start + u16::RAW_BYTE_LEN; start..end } pub fn region_list_offset_byte_range(&self) -> Range { let start = self.format_byte_range().end; let end = start + Offset32::RAW_BYTE_LEN; start..end } pub fn variation_data_count_byte_range(&self) -> Range { let start = self.region_list_offset_byte_range().end; let end = start + u16::RAW_BYTE_LEN; start..end } pub fn variation_data_offsets_byte_range(&self) -> Range { let variation_data_count = self.variation_data_count(); let start = self.variation_data_count_byte_range().end; let end = start + (transforms::to_usize(variation_data_count)).saturating_mul(Offset32::RAW_BYTE_LEN); start..end } } const _: () = assert!(FontData::default_data_long_enough( MultiItemVariationStore::MIN_SIZE )); impl Default for MultiItemVariationStore<'_> { fn default() -> Self { Self { data: FontData::default_format_1_u16_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for MultiItemVariationStore<'a> { fn type_name(&self) -> &str { "MultiItemVariationStore" } fn get_field(&self, idx: usize) -> Option> { 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(Field::new( "variation_data_offsets", FieldType::from(self.variation_data()), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] 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) } } impl<'a> MinByteRange<'a> for SparseVariationRegionList<'a> { fn min_byte_range(&self) -> Range { 0..self.region_offsets_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } impl<'a> FontRead<'a> for SparseVariationRegionList<'a> { fn read(data: FontData<'a>) -> Result { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } #[derive(Clone)] pub struct SparseVariationRegionList<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> SparseVariationRegionList<'a> { pub const MIN_SIZE: usize = u16::RAW_BYTE_LEN; basic_table_impls!(impl_the_methods); pub fn region_count(&self) -> u16 { let range = self.region_count_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn region_offsets(&self) -> &'a [BigEndian] { let range = self.region_offsets_byte_range(); self.data.read_array(range).ok().unwrap_or_default() } /// 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, ()) } pub fn region_count_byte_range(&self) -> Range { let start = 0; let end = start + u16::RAW_BYTE_LEN; start..end } pub fn region_offsets_byte_range(&self) -> Range { let region_count = self.region_count(); let start = self.region_count_byte_range().end; let end = start + (transforms::to_usize(region_count)).saturating_mul(Offset32::RAW_BYTE_LEN); start..end } } const _: () = assert!(FontData::default_data_long_enough( SparseVariationRegionList::MIN_SIZE )); impl Default for SparseVariationRegionList<'_> { fn default() -> Self { Self { data: FontData::default_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for SparseVariationRegionList<'a> { fn type_name(&self) -> &str { "SparseVariationRegionList" } fn get_field(&self, idx: usize) -> Option> { match idx { 0usize => Some(Field::new("region_count", self.region_count())), 1usize => Some(Field::new( "region_offsets", FieldType::from(self.regions()), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] 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) } } impl<'a> MinByteRange<'a> for SparseVariationRegion<'a> { fn min_byte_range(&self) -> Range { 0..self.region_axes_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } impl<'a> FontRead<'a> for SparseVariationRegion<'a> { fn read(data: FontData<'a>) -> Result { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } #[derive(Clone)] pub struct SparseVariationRegion<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> SparseVariationRegion<'a> { pub const MIN_SIZE: usize = u16::RAW_BYTE_LEN; basic_table_impls!(impl_the_methods); pub fn region_axis_count(&self) -> u16 { let range = self.region_axis_count_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn region_axes(&self) -> &'a [SparseRegionAxisCoordinates] { let range = self.region_axes_byte_range(); self.data.read_array(range).ok().unwrap_or_default() } pub fn region_axis_count_byte_range(&self) -> Range { let start = 0; let end = start + u16::RAW_BYTE_LEN; start..end } pub fn region_axes_byte_range(&self) -> Range { let region_axis_count = self.region_axis_count(); let start = self.region_axis_count_byte_range().end; let end = start + (transforms::to_usize(region_axis_count)) .saturating_mul(SparseRegionAxisCoordinates::RAW_BYTE_LEN); start..end } } const _: () = assert!(FontData::default_data_long_enough( SparseVariationRegion::MIN_SIZE )); impl Default for SparseVariationRegion<'_> { fn default() -> Self { Self { data: FontData::default_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for SparseVariationRegion<'a> { fn type_name(&self) -> &str { "SparseVariationRegion" } fn get_field(&self, idx: usize) -> Option> { match idx { 0usize => Some(Field::new("region_axis_count", self.region_axis_count())), 1usize => Some(Field::new( "region_axes", traversal::FieldType::array_of_records( stringify!(SparseRegionAxisCoordinates), self.region_axes(), self.offset_data(), ), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] 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, pub start: BigEndian, pub peak: BigEndian, pub end: BigEndian, } 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 = "experimental_traverse")] 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 for MultiItemVariationData<'_> { const FORMAT: u8 = 1; } impl<'a> MinByteRange<'a> for MultiItemVariationData<'a> { fn min_byte_range(&self) -> Range { 0..self.raw_delta_sets_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } impl<'a> FontRead<'a> for MultiItemVariationData<'a> { fn read(data: FontData<'a>) -> Result { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } #[derive(Clone)] pub struct MultiItemVariationData<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> MultiItemVariationData<'a> { pub const MIN_SIZE: usize = (u8::RAW_BYTE_LEN + u16::RAW_BYTE_LEN); basic_table_impls!(impl_the_methods); pub fn format(&self) -> u8 { let range = self.format_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn region_index_count(&self) -> u16 { let range = self.region_index_count_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn region_indices(&self) -> &'a [BigEndian] { let range = self.region_indices_byte_range(); self.data.read_array(range).ok().unwrap_or_default() } pub fn raw_delta_sets(&self) -> &'a [u8] { let range = self.raw_delta_sets_byte_range(); self.data.read_array(range).ok().unwrap_or_default() } pub fn format_byte_range(&self) -> Range { let start = 0; let end = start + u8::RAW_BYTE_LEN; start..end } pub fn region_index_count_byte_range(&self) -> Range { let start = self.format_byte_range().end; let end = start + u16::RAW_BYTE_LEN; start..end } pub fn region_indices_byte_range(&self) -> Range { let region_index_count = self.region_index_count(); let start = self.region_index_count_byte_range().end; let end = start + (transforms::to_usize(region_index_count)).saturating_mul(u16::RAW_BYTE_LEN); start..end } pub fn raw_delta_sets_byte_range(&self) -> Range { let start = self.region_indices_byte_range().end; let end = start + self.data.len().saturating_sub(start) / u8::RAW_BYTE_LEN * u8::RAW_BYTE_LEN; start..end } } const _: () = assert!(FontData::default_data_long_enough( MultiItemVariationData::MIN_SIZE )); impl Default for MultiItemVariationData<'_> { fn default() -> Self { Self { data: FontData::default_format_1_u8_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for MultiItemVariationData<'a> { fn type_name(&self) -> &str { "MultiItemVariationData" } fn get_field(&self, idx: usize) -> Option> { 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 = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] 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) } } impl<'a> MinByteRange<'a> for ConditionList<'a> { fn min_byte_range(&self) -> Range { 0..self.condition_offsets_byte_range().end } fn min_table_bytes(&self) -> &'a [u8] { let range = self.min_byte_range(); self.data.as_bytes().get(range).unwrap_or_default() } } impl<'a> FontRead<'a> for ConditionList<'a> { fn read(data: FontData<'a>) -> Result { #[allow(clippy::absurd_extreme_comparisons)] if data.len() < Self::MIN_SIZE { return Err(ReadError::OutOfBounds); } Ok(Self { data }) } } #[derive(Clone)] pub struct ConditionList<'a> { data: FontData<'a>, } #[allow(clippy::needless_lifetimes)] impl<'a> ConditionList<'a> { pub const MIN_SIZE: usize = u32::RAW_BYTE_LEN; basic_table_impls!(impl_the_methods); pub fn condition_count(&self) -> u32 { let range = self.condition_count_byte_range(); self.data.read_at(range.start).ok().unwrap() } pub fn condition_offsets(&self) -> &'a [BigEndian] { let range = self.condition_offsets_byte_range(); self.data.read_array(range).ok().unwrap_or_default() } /// 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, ()) } pub fn condition_count_byte_range(&self) -> Range { let start = 0; let end = start + u32::RAW_BYTE_LEN; start..end } pub fn condition_offsets_byte_range(&self) -> Range { let condition_count = self.condition_count(); let start = self.condition_count_byte_range().end; let end = start + (transforms::to_usize(condition_count)).saturating_mul(Offset32::RAW_BYTE_LEN); start..end } } const _: () = assert!(FontData::default_data_long_enough(ConditionList::MIN_SIZE)); impl Default for ConditionList<'_> { fn default() -> Self { Self { data: FontData::default_table_data(), } } } #[cfg(feature = "experimental_traverse")] impl<'a> SomeTable<'a> for ConditionList<'a> { fn type_name(&self) -> &str { "ConditionList" } fn get_field(&self, idx: usize) -> Option> { match idx { 0usize => Some(Field::new("condition_count", self.condition_count())), 1usize => Some(Field::new( "condition_offsets", FieldType::from(self.conditions()), )), _ => None, } } } #[cfg(feature = "experimental_traverse")] #[allow(clippy::needless_lifetimes)] 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 /// /// #[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 { 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 = ::Raw; fn to_raw(self) -> Self::Raw { self.bits().to_raw() } fn from_raw(raw: Self::Raw) -> Self { let t = ::from_raw(raw); Self::from_bits_truncate(t) } } #[cfg(feature = "experimental_traverse")] impl<'a> From for FieldType<'a> { fn from(src: VarcFlags) -> FieldType<'a> { src.bits().into() } }