Struct piston_window::glyph_cache::rusttype::GlyphCache [−][src]
pub struct GlyphCache<'a, F, T> { pub font: Font<'a>, pub factory: F, // some fields omitted }
A struct used for caching rendered font.
Fields
font: Font<'a>
The font.
factory: F
The factory used to create textures.
Implementations
impl<'a, F, T> GlyphCache<'a, F, T> where
T: CreateTexture<F> + UpdateTexture<F> + ImageSize,
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T: CreateTexture<F> + UpdateTexture<F> + ImageSize,
pub fn from_font(
font: Font<'a>,
factory: F,
settings: TextureSettings
) -> GlyphCache<'a, F, T>
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font: Font<'a>,
factory: F,
settings: TextureSettings
) -> GlyphCache<'a, F, T>
Constructs a GlyphCache from a Font.
pub fn new<P>(
font: P,
factory: F,
settings: TextureSettings
) -> Result<GlyphCache<'static, F, T>, Error> where
P: AsRef<Path>,
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font: P,
factory: F,
settings: TextureSettings
) -> Result<GlyphCache<'static, F, T>, Error> where
P: AsRef<Path>,
Constructor for a GlyphCache.
pub fn from_bytes(
font: &'a [u8],
factory: F,
settings: TextureSettings
) -> Result<GlyphCache<'a, F, T>, ()>
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font: &'a [u8],
factory: F,
settings: TextureSettings
) -> Result<GlyphCache<'a, F, T>, ()>
Creates a GlyphCache for a font stored in memory.
pub fn preload_chars<I>(
&mut self,
size: u32,
chars: I
) -> Result<(), <T as TextureOp<F>>::Error> where
I: Iterator<Item = char>,
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&mut self,
size: u32,
chars: I
) -> Result<(), <T as TextureOp<F>>::Error> where
I: Iterator<Item = char>,
Load all characters in the chars
iterator for size
pub fn preload_printable_ascii(
&mut self,
size: u32
) -> Result<(), <T as TextureOp<F>>::Error>
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&mut self,
size: u32
) -> Result<(), <T as TextureOp<F>>::Error>
Load all the printable ASCII characters for size
. Includes space.
pub fn opt_character(&self, size: u32, ch: char) -> Option<Character<'_, T>>
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Return ch
for size
if it’s already cached. Don’t load.
See the preload_*
functions.
Trait Implementations
impl<'b, F, T> CharacterCache for GlyphCache<'b, F, T> where
T: ImageSize + CreateTexture<F> + UpdateTexture<F>,
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T: ImageSize + CreateTexture<F> + UpdateTexture<F>,
type Texture = T
The texture type associated with the character cache.
type Error = <T as TextureOp<F>>::Error
The error type associated with the character cache.
pub fn character(
&'a mut self,
size: u32,
ch: char
) -> Result<Character<'a, T>, <GlyphCache<'b, F, T> as CharacterCache>::Error>
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&'a mut self,
size: u32,
ch: char
) -> Result<Character<'a, T>, <GlyphCache<'b, F, T> as CharacterCache>::Error>
pub fn width(&mut self, size: u32, text: &str) -> Result<f64, Self::Error>
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Auto Trait Implementations
impl<'a, F, T> RefUnwindSafe for GlyphCache<'a, F, T> where
F: RefUnwindSafe,
T: RefUnwindSafe,
F: RefUnwindSafe,
T: RefUnwindSafe,
impl<'a, F, T> Send for GlyphCache<'a, F, T> where
F: Send,
T: Send,
F: Send,
T: Send,
impl<'a, F, T> Sync for GlyphCache<'a, F, T> where
F: Sync,
T: Sync,
F: Sync,
T: Sync,
impl<'a, F, T> Unpin for GlyphCache<'a, F, T> where
F: Unpin,
T: Unpin,
F: Unpin,
T: Unpin,
impl<'a, F, T> UnwindSafe for GlyphCache<'a, F, T> where
F: UnwindSafe,
T: UnwindSafe,
F: UnwindSafe,
T: UnwindSafe,
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> Pointable for T
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pub const ALIGN: usize
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type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
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pub unsafe fn deref<'a>(ptr: usize) -> &'a T
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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
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pub unsafe fn drop(ptr: usize)
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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>,