Trait graphics::character::CharacterCache

pub trait CharacterCache {
    type Texture: ImageSize;
    type Error;
    fn character<'a>(
        &'a mut self, 
        font_size: FontSize, 
        ch: char
    ) -> Result<Character<'a, Self::Texture>, Self::Error>;

    fn width(
        &mut self, 
        size: FontSize, 
        text: &str
    ) -> Result<Scalar, Self::Error> { ... }
}

Stores characters in a buffer and loads them by demand.

Associated Types

type Texture: ImageSize

The texture type associated with the character cache.

type Error

The error type associated with the character cache.

Required Methods

fn character<'a>(
    &'a mut self,
    font_size: FontSize,
    ch: char
) -> Result<Character<'a, Self::Texture>, Self::Error>

Get reference to character.

Provided Methods

fn width(&mut self, size: FontSize, text: &str) -> Result<Scalar, Self::Error>

Return the width for some given text.

Implementors