[−][src]Struct tetra::graphics::text::VectorFontBuilder
A builder for vector-based fonts.
TrueType and OpenType fonts are supported. The font data will only be loaded
into memory once, and it will be shared between all Font
s that
are subsequently created by the builder instance.
Font::vector
provides a simpler API for loading vector fonts, if you don't need
all of the functionality of this struct.
Performance
Creating a VectorFontBuilder
is a relatively expensive operation. If you need to create
extra sizes of the font later on, store the VectorFontBuilder
rather than building a new one.
Cloning a VectorFontBuilder
is a very cheap operation, as the underlying data is shared between the
original instance and the clone via reference-counting.
Implementations
impl VectorFontBuilder
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pub fn new<P>(path: P) -> Result<VectorFontBuilder> where
P: AsRef<Path>,
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P: AsRef<Path>,
Loads a vector font from the given file.
Errors
TetraError::FailedToLoadAsset
will be returned if the file could not be loaded.TetraError::InvalidFont
will be returned if the font data was invalid.
pub fn from_file_data(data: &'static [u8]) -> Result<VectorFontBuilder>
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Loads a vector font from a slice of binary data.
Errors
TetraError::InvalidFont
will be returned if the font data was invalid.
pub fn with_size(&self, ctx: &mut Context, size: f32) -> Result<Font>
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Creates a Font
with the given size.
Errors
TetraError::PlatformError
will be returned if the GPU cache for the font could not be created.
Trait Implementations
impl Clone for VectorFontBuilder
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pub fn clone(&self) -> VectorFontBuilder
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pub fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl Debug for VectorFontBuilder
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Auto Trait Implementations
impl !RefUnwindSafe for VectorFontBuilder
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impl !Send for VectorFontBuilder
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impl !Sync for VectorFontBuilder
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impl Unpin for VectorFontBuilder
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impl UnwindSafe for VectorFontBuilder
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,