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use crate::alignment;
use crate::{Color, Point, Rectangle, Renderer, Size};
pub use crate::text::Hit;
pub trait Text: Renderer {
/// The font type used.
type Font: Default + Copy;
/// The icon font of the backend.
const ICON_FONT: Self::Font;
/// The `char` representing a ✔ icon in the [`ICON_FONT`].
///
/// [`ICON_FONT`]: Self::ICON_FONT
const CHECKMARK_ICON: char;
/// The `char` representing a ▼ icon in the built-in [`ICON_FONT`].
///
/// [`ICON_FONT`]: Self::ICON_FONT
const ARROW_DOWN_ICON: char;
/// Returns the default size of [`Text`].
fn default_size(&self) -> u16;
/// Measures the text in the given bounds and returns the minimum boundaries
/// that can fit the contents.
fn measure(
&self,
content: &str,
size: u16,
font: Self::Font,
bounds: Size,
) -> (f32, f32);
fn measure_width(&self, content: &str, size: u16, font: Self::Font) -> f32 {
let (width, _) = self.measure(content, size, font, Size::INFINITY);
width
}
/// Tests whether the provided point is within the boundaries of [`Text`]
/// laid out with the given parameters, returning information about
/// the nearest character.
///
/// If `nearest_only` is true, the hit test does not consider whether the
/// the point is interior to any glyph bounds, returning only the character
/// with the nearest centeroid.
fn hit_test(
&self,
contents: &str,
size: f32,
font: Self::Font,
bounds: Size,
point: Point,
nearest_only: bool,
) -> Option<Hit>;
fn fill_text(&mut self, section: Section<'_, Self::Font>);
}
#[derive(Debug, Clone, Copy)]
pub struct Section<'a, Font> {
pub content: &'a str,
pub bounds: Rectangle,
pub size: f32,
pub color: Color,
pub font: Font,
pub horizontal_alignment: alignment::Horizontal,
pub vertical_alignment: alignment::Vertical,
}
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