680 lines
20 KiB
Rust
680 lines
20 KiB
Rust
// THIS FILE IS AUTOGENERATED.
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// Any changes to this file will be overwritten.
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// For more information about how codegen works, see font-codegen/README.md
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#[allow(unused_imports)]
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use crate::codegen_prelude::*;
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/// Sbix header flags.
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#[derive(Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Hash, bytemuck :: AnyBitPattern)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[repr(transparent)]
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pub struct HeaderFlags {
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bits: u16,
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}
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impl HeaderFlags {
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/// Bit 0: Set to 1.
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pub const ALWAYS_SET: Self = Self { bits: 0x0001 };
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/// Bit 1: Draw outlines.
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pub const DRAW_OUTLINES: Self = Self { bits: 0x0002 };
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}
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impl HeaderFlags {
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/// Returns an empty set of flags.
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#[inline]
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pub const fn empty() -> Self {
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Self { bits: 0 }
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}
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/// Returns the set containing all flags.
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#[inline]
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pub const fn all() -> Self {
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Self {
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bits: Self::ALWAYS_SET.bits | Self::DRAW_OUTLINES.bits,
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}
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}
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/// Returns the raw value of the flags currently stored.
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#[inline]
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pub const fn bits(&self) -> u16 {
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self.bits
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}
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/// Convert from underlying bit representation, unless that
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/// representation contains bits that do not correspond to a flag.
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#[inline]
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pub const fn from_bits(bits: u16) -> Option<Self> {
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if (bits & !Self::all().bits()) == 0 {
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Some(Self { bits })
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} else {
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None
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}
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}
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/// Convert from underlying bit representation, dropping any bits
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/// that do not correspond to flags.
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#[inline]
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pub const fn from_bits_truncate(bits: u16) -> Self {
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Self {
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bits: bits & Self::all().bits,
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}
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}
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/// Returns `true` if no flags are currently stored.
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#[inline]
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pub const fn is_empty(&self) -> bool {
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self.bits() == Self::empty().bits()
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}
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/// Returns `true` if there are flags common to both `self` and `other`.
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#[inline]
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pub const fn intersects(&self, other: Self) -> bool {
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!(Self {
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bits: self.bits & other.bits,
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})
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.is_empty()
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}
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/// Returns `true` if all of the flags in `other` are contained within `self`.
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#[inline]
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pub const fn contains(&self, other: Self) -> bool {
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(self.bits & other.bits) == other.bits
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}
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/// Inserts the specified flags in-place.
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#[inline]
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pub fn insert(&mut self, other: Self) {
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self.bits |= other.bits;
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}
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/// Removes the specified flags in-place.
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#[inline]
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pub fn remove(&mut self, other: Self) {
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self.bits &= !other.bits;
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}
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/// Toggles the specified flags in-place.
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#[inline]
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pub fn toggle(&mut self, other: Self) {
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self.bits ^= other.bits;
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}
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/// Returns the intersection between the flags in `self` and
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/// `other`.
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///
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/// Specifically, the returned set contains only the flags which are
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/// present in *both* `self` *and* `other`.
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///
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/// This is equivalent to using the `&` operator (e.g.
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/// [`ops::BitAnd`]), as in `flags & other`.
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///
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/// [`ops::BitAnd`]: https://doc.rust-lang.org/std/ops/trait.BitAnd.html
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#[inline]
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#[must_use]
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pub const fn intersection(self, other: Self) -> Self {
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Self {
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bits: self.bits & other.bits,
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}
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}
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/// Returns the union of between the flags in `self` and `other`.
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///
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/// Specifically, the returned set contains all flags which are
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/// present in *either* `self` *or* `other`, including any which are
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/// present in both.
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///
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/// This is equivalent to using the `|` operator (e.g.
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/// [`ops::BitOr`]), as in `flags | other`.
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///
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/// [`ops::BitOr`]: https://doc.rust-lang.org/std/ops/trait.BitOr.html
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#[inline]
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#[must_use]
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pub const fn union(self, other: Self) -> Self {
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Self {
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bits: self.bits | other.bits,
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}
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}
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/// Returns the difference between the flags in `self` and `other`.
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///
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/// Specifically, the returned set contains all flags present in
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/// `self`, except for the ones present in `other`.
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///
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/// It is also conceptually equivalent to the "bit-clear" operation:
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/// `flags & !other` (and this syntax is also supported).
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///
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/// This is equivalent to using the `-` operator (e.g.
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/// [`ops::Sub`]), as in `flags - other`.
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///
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/// [`ops::Sub`]: https://doc.rust-lang.org/std/ops/trait.Sub.html
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#[inline]
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#[must_use]
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pub const fn difference(self, other: Self) -> Self {
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Self {
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bits: self.bits & !other.bits,
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}
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}
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}
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impl std::ops::BitOr for HeaderFlags {
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type Output = Self;
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/// Returns the union of the two sets of flags.
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#[inline]
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fn bitor(self, other: HeaderFlags) -> Self {
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Self {
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bits: self.bits | other.bits,
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}
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}
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}
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impl std::ops::BitOrAssign for HeaderFlags {
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/// Adds the set of flags.
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#[inline]
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fn bitor_assign(&mut self, other: Self) {
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self.bits |= other.bits;
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}
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}
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impl std::ops::BitXor for HeaderFlags {
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type Output = Self;
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/// Returns the left flags, but with all the right flags toggled.
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#[inline]
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fn bitxor(self, other: Self) -> Self {
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Self {
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bits: self.bits ^ other.bits,
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}
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}
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}
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impl std::ops::BitXorAssign for HeaderFlags {
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/// Toggles the set of flags.
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#[inline]
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fn bitxor_assign(&mut self, other: Self) {
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self.bits ^= other.bits;
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}
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}
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impl std::ops::BitAnd for HeaderFlags {
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type Output = Self;
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/// Returns the intersection between the two sets of flags.
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#[inline]
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fn bitand(self, other: Self) -> Self {
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Self {
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bits: self.bits & other.bits,
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}
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}
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}
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impl std::ops::BitAndAssign for HeaderFlags {
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/// Disables all flags disabled in the set.
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#[inline]
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fn bitand_assign(&mut self, other: Self) {
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self.bits &= other.bits;
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}
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}
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impl std::ops::Sub for HeaderFlags {
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type Output = Self;
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/// Returns the set difference of the two sets of flags.
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#[inline]
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fn sub(self, other: Self) -> Self {
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Self {
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bits: self.bits & !other.bits,
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}
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}
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}
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impl std::ops::SubAssign for HeaderFlags {
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/// Disables all flags enabled in the set.
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#[inline]
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fn sub_assign(&mut self, other: Self) {
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self.bits &= !other.bits;
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}
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}
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impl std::ops::Not for HeaderFlags {
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type Output = Self;
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/// Returns the complement of this set of flags.
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#[inline]
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fn not(self) -> Self {
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Self { bits: !self.bits } & Self::all()
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}
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}
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impl std::fmt::Debug for HeaderFlags {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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let members: &[(&str, Self)] = &[
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("ALWAYS_SET", Self::ALWAYS_SET),
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("DRAW_OUTLINES", Self::DRAW_OUTLINES),
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];
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let mut first = true;
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for (name, value) in members {
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if self.contains(*value) {
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if !first {
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f.write_str(" | ")?;
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}
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first = false;
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f.write_str(name)?;
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}
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}
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if first {
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f.write_str("(empty)")?;
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}
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Ok(())
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}
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}
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impl std::fmt::Binary for HeaderFlags {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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std::fmt::Binary::fmt(&self.bits, f)
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}
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}
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impl std::fmt::Octal for HeaderFlags {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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std::fmt::Octal::fmt(&self.bits, f)
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}
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}
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impl std::fmt::LowerHex for HeaderFlags {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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std::fmt::LowerHex::fmt(&self.bits, f)
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}
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}
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impl std::fmt::UpperHex for HeaderFlags {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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std::fmt::UpperHex::fmt(&self.bits, f)
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}
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}
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impl font_types::Scalar for HeaderFlags {
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type Raw = <u16 as font_types::Scalar>::Raw;
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fn to_raw(self) -> Self::Raw {
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self.bits().to_raw()
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}
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fn from_raw(raw: Self::Raw) -> Self {
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let t = <u16>::from_raw(raw);
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Self::from_bits_truncate(t)
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}
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}
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#[cfg(feature = "experimental_traverse")]
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impl<'a> From<HeaderFlags> for FieldType<'a> {
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fn from(src: HeaderFlags) -> FieldType<'a> {
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src.bits().into()
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}
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}
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/// The [sbix (Standard Bitmap Graphics)](https://docs.microsoft.com/en-us/typography/opentype/spec/sbix) table
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#[derive(Debug, Clone, Copy)]
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#[doc(hidden)]
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pub struct SbixMarker {
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num_glyphs: u16,
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strike_offsets_byte_len: usize,
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}
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impl SbixMarker {
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pub fn version_byte_range(&self) -> Range<usize> {
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let start = 0;
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start..start + u16::RAW_BYTE_LEN
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}
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pub fn flags_byte_range(&self) -> Range<usize> {
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let start = self.version_byte_range().end;
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start..start + HeaderFlags::RAW_BYTE_LEN
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}
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pub fn num_strikes_byte_range(&self) -> Range<usize> {
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let start = self.flags_byte_range().end;
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start..start + u32::RAW_BYTE_LEN
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}
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pub fn strike_offsets_byte_range(&self) -> Range<usize> {
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let start = self.num_strikes_byte_range().end;
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start..start + self.strike_offsets_byte_len
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}
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}
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impl MinByteRange for SbixMarker {
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fn min_byte_range(&self) -> Range<usize> {
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0..self.strike_offsets_byte_range().end
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}
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}
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impl TopLevelTable for Sbix<'_> {
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/// `sbix`
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const TAG: Tag = Tag::new(b"sbix");
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}
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impl ReadArgs for Sbix<'_> {
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type Args = u16;
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}
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impl<'a> FontReadWithArgs<'a> for Sbix<'a> {
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fn read_with_args(data: FontData<'a>, args: &u16) -> Result<Self, ReadError> {
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let num_glyphs = *args;
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let mut cursor = data.cursor();
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cursor.advance::<u16>();
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cursor.advance::<HeaderFlags>();
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let num_strikes: u32 = cursor.read()?;
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let strike_offsets_byte_len = (num_strikes as usize)
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.checked_mul(Offset32::RAW_BYTE_LEN)
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.ok_or(ReadError::OutOfBounds)?;
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cursor.advance_by(strike_offsets_byte_len);
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cursor.finish(SbixMarker {
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num_glyphs,
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strike_offsets_byte_len,
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})
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}
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}
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impl<'a> Sbix<'a> {
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/// A constructor that requires additional arguments.
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///
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/// This type requires some external state in order to be
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/// parsed.
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pub fn read(data: FontData<'a>, num_glyphs: u16) -> Result<Self, ReadError> {
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let args = num_glyphs;
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Self::read_with_args(data, &args)
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}
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}
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/// The [sbix (Standard Bitmap Graphics)](https://docs.microsoft.com/en-us/typography/opentype/spec/sbix) table
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pub type Sbix<'a> = TableRef<'a, SbixMarker>;
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#[allow(clippy::needless_lifetimes)]
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impl<'a> Sbix<'a> {
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/// Table version number — set to 1.
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pub fn version(&self) -> u16 {
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let range = self.shape.version_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Bit 0: Set to 1.
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/// Bit 1: Draw outlines.
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/// Bits 2 to 15: reserved (set to 0).
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pub fn flags(&self) -> HeaderFlags {
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let range = self.shape.flags_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Number of bitmap strikes.
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pub fn num_strikes(&self) -> u32 {
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let range = self.shape.num_strikes_byte_range();
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self.data.read_at(range.start).unwrap()
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}
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/// Offsets from the beginning of the 'sbix' table to data for each individual bitmap strike.
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pub fn strike_offsets(&self) -> &'a [BigEndian<Offset32>] {
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let range = self.shape.strike_offsets_byte_range();
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self.data.read_array(range).unwrap()
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}
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/// A dynamically resolving wrapper for [`strike_offsets`][Self::strike_offsets].
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pub fn strikes(&self) -> ArrayOfOffsets<'a, Strike<'a>, Offset32> {
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let data = self.data;
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let offsets = self.strike_offsets();
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let args = self.num_glyphs();
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ArrayOfOffsets::new(offsets, data, args)
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}
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pub(crate) fn num_glyphs(&self) -> u16 {
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self.shape.num_glyphs
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}
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}
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#[cfg(feature = "experimental_traverse")]
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impl<'a> SomeTable<'a> for Sbix<'a> {
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fn type_name(&self) -> &str {
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"Sbix"
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}
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fn get_field(&self, idx: usize) -> Option<Field<'a>> {
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match idx {
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0usize => Some(Field::new("version", self.version())),
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1usize => Some(Field::new("flags", self.flags())),
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2usize => Some(Field::new("num_strikes", self.num_strikes())),
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3usize => Some({
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let data = self.data;
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let args = self.num_glyphs();
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Field::new(
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"strike_offsets",
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FieldType::array_of_offsets(
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better_type_name::<Strike>(),
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self.strike_offsets(),
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move |off| {
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let target = off.get().resolve_with_args::<Strike>(data, &args);
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FieldType::offset(off.get(), target)
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},
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),
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)
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}),
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_ => None,
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}
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}
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}
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#[cfg(feature = "experimental_traverse")]
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#[allow(clippy::needless_lifetimes)]
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impl<'a> std::fmt::Debug for Sbix<'a> {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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(self as &dyn SomeTable<'a>).fmt(f)
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}
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}
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/// [Strike](https://learn.microsoft.com/en-us/typography/opentype/spec/sbix#strikes) header table
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#[derive(Debug, Clone, Copy)]
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#[doc(hidden)]
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pub struct StrikeMarker {
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glyph_data_offsets_byte_len: usize,
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}
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impl StrikeMarker {
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pub fn ppem_byte_range(&self) -> Range<usize> {
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let start = 0;
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start..start + u16::RAW_BYTE_LEN
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}
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pub fn ppi_byte_range(&self) -> Range<usize> {
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let start = self.ppem_byte_range().end;
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start..start + u16::RAW_BYTE_LEN
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}
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pub fn glyph_data_offsets_byte_range(&self) -> Range<usize> {
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let start = self.ppi_byte_range().end;
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start..start + self.glyph_data_offsets_byte_len
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}
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}
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impl MinByteRange for StrikeMarker {
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fn min_byte_range(&self) -> Range<usize> {
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0..self.glyph_data_offsets_byte_range().end
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}
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}
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impl ReadArgs for Strike<'_> {
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type Args = u16;
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}
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impl<'a> FontReadWithArgs<'a> for Strike<'a> {
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fn read_with_args(data: FontData<'a>, args: &u16) -> Result<Self, ReadError> {
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let num_glyphs = *args;
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let mut cursor = data.cursor();
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cursor.advance::<u16>();
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cursor.advance::<u16>();
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let glyph_data_offsets_byte_len = (transforms::add(num_glyphs, 1_usize))
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.checked_mul(u32::RAW_BYTE_LEN)
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.ok_or(ReadError::OutOfBounds)?;
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cursor.advance_by(glyph_data_offsets_byte_len);
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cursor.finish(StrikeMarker {
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glyph_data_offsets_byte_len,
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})
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}
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}
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impl<'a> Strike<'a> {
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/// A constructor that requires additional arguments.
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///
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/// This type requires some external state in order to be
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/// parsed.
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pub fn read(data: FontData<'a>, num_glyphs: u16) -> Result<Self, ReadError> {
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let args = num_glyphs;
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Self::read_with_args(data, &args)
|
|
}
|
|
}
|
|
|
|
/// [Strike](https://learn.microsoft.com/en-us/typography/opentype/spec/sbix#strikes) header table
|
|
pub type Strike<'a> = TableRef<'a, StrikeMarker>;
|
|
|
|
#[allow(clippy::needless_lifetimes)]
|
|
impl<'a> Strike<'a> {
|
|
/// The PPEM size for which this strike was designed.
|
|
pub fn ppem(&self) -> u16 {
|
|
let range = self.shape.ppem_byte_range();
|
|
self.data.read_at(range.start).unwrap()
|
|
}
|
|
|
|
/// The device pixel density (in PPI) for which this strike was designed. (E.g., 96 PPI, 192 PPI.)
|
|
pub fn ppi(&self) -> u16 {
|
|
let range = self.shape.ppi_byte_range();
|
|
self.data.read_at(range.start).unwrap()
|
|
}
|
|
|
|
/// Offset from the beginning of the strike data header to bitmap data for an individual glyph ID.
|
|
pub fn glyph_data_offsets(&self) -> &'a [BigEndian<u32>] {
|
|
let range = self.shape.glyph_data_offsets_byte_range();
|
|
self.data.read_array(range).unwrap()
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "experimental_traverse")]
|
|
impl<'a> SomeTable<'a> for Strike<'a> {
|
|
fn type_name(&self) -> &str {
|
|
"Strike"
|
|
}
|
|
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
|
|
match idx {
|
|
0usize => Some(Field::new("ppem", self.ppem())),
|
|
1usize => Some(Field::new("ppi", self.ppi())),
|
|
2usize => Some(Field::new("glyph_data_offsets", self.glyph_data_offsets())),
|
|
_ => None,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "experimental_traverse")]
|
|
#[allow(clippy::needless_lifetimes)]
|
|
impl<'a> std::fmt::Debug for Strike<'a> {
|
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
|
(self as &dyn SomeTable<'a>).fmt(f)
|
|
}
|
|
}
|
|
|
|
/// [Glyph data](https://learn.microsoft.com/en-us/typography/opentype/spec/sbix#glyph-data) table
|
|
#[derive(Debug, Clone, Copy)]
|
|
#[doc(hidden)]
|
|
pub struct GlyphDataMarker {
|
|
data_byte_len: usize,
|
|
}
|
|
|
|
impl GlyphDataMarker {
|
|
pub fn origin_offset_x_byte_range(&self) -> Range<usize> {
|
|
let start = 0;
|
|
start..start + i16::RAW_BYTE_LEN
|
|
}
|
|
|
|
pub fn origin_offset_y_byte_range(&self) -> Range<usize> {
|
|
let start = self.origin_offset_x_byte_range().end;
|
|
start..start + i16::RAW_BYTE_LEN
|
|
}
|
|
|
|
pub fn graphic_type_byte_range(&self) -> Range<usize> {
|
|
let start = self.origin_offset_y_byte_range().end;
|
|
start..start + Tag::RAW_BYTE_LEN
|
|
}
|
|
|
|
pub fn data_byte_range(&self) -> Range<usize> {
|
|
let start = self.graphic_type_byte_range().end;
|
|
start..start + self.data_byte_len
|
|
}
|
|
}
|
|
|
|
impl MinByteRange for GlyphDataMarker {
|
|
fn min_byte_range(&self) -> Range<usize> {
|
|
0..self.data_byte_range().end
|
|
}
|
|
}
|
|
|
|
impl<'a> FontRead<'a> for GlyphData<'a> {
|
|
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
|
|
let mut cursor = data.cursor();
|
|
cursor.advance::<i16>();
|
|
cursor.advance::<i16>();
|
|
cursor.advance::<Tag>();
|
|
let data_byte_len = cursor.remaining_bytes() / u8::RAW_BYTE_LEN * u8::RAW_BYTE_LEN;
|
|
cursor.advance_by(data_byte_len);
|
|
cursor.finish(GlyphDataMarker { data_byte_len })
|
|
}
|
|
}
|
|
|
|
/// [Glyph data](https://learn.microsoft.com/en-us/typography/opentype/spec/sbix#glyph-data) table
|
|
pub type GlyphData<'a> = TableRef<'a, GlyphDataMarker>;
|
|
|
|
#[allow(clippy::needless_lifetimes)]
|
|
impl<'a> GlyphData<'a> {
|
|
/// The horizontal (x-axis) position of the left edge of the bitmap graphic in relation to the glyph design space origin.
|
|
pub fn origin_offset_x(&self) -> i16 {
|
|
let range = self.shape.origin_offset_x_byte_range();
|
|
self.data.read_at(range.start).unwrap()
|
|
}
|
|
|
|
/// The vertical (y-axis) position of the bottom edge of the bitmap graphic in relation to the glyph design space origin.
|
|
pub fn origin_offset_y(&self) -> i16 {
|
|
let range = self.shape.origin_offset_y_byte_range();
|
|
self.data.read_at(range.start).unwrap()
|
|
}
|
|
|
|
/// Indicates the format of the embedded graphic data: one of 'jpg ', 'png ' or 'tiff', or the special format 'dupe'.
|
|
pub fn graphic_type(&self) -> Tag {
|
|
let range = self.shape.graphic_type_byte_range();
|
|
self.data.read_at(range.start).unwrap()
|
|
}
|
|
|
|
/// The actual embedded graphic data. The total length is inferred from sequential entries in the glyphDataOffsets array and the fixed size (8 bytes) of the preceding fields.
|
|
pub fn data(&self) -> &'a [u8] {
|
|
let range = self.shape.data_byte_range();
|
|
self.data.read_array(range).unwrap()
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "experimental_traverse")]
|
|
impl<'a> SomeTable<'a> for GlyphData<'a> {
|
|
fn type_name(&self) -> &str {
|
|
"GlyphData"
|
|
}
|
|
fn get_field(&self, idx: usize) -> Option<Field<'a>> {
|
|
match idx {
|
|
0usize => Some(Field::new("origin_offset_x", self.origin_offset_x())),
|
|
1usize => Some(Field::new("origin_offset_y", self.origin_offset_y())),
|
|
2usize => Some(Field::new("graphic_type", self.graphic_type())),
|
|
3usize => Some(Field::new("data", self.data())),
|
|
_ => None,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "experimental_traverse")]
|
|
#[allow(clippy::needless_lifetimes)]
|
|
impl<'a> std::fmt::Debug for GlyphData<'a> {
|
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
|
(self as &dyn SomeTable<'a>).fmt(f)
|
|
}
|
|
}
|