Write documentation for iced_native::text
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@ -1,14 +1,29 @@
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//! Draw and interact with text.
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use crate::alignment;
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use crate::{Color, Point, Rectangle, Size, Vector};
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/// A paragraph.
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#[derive(Debug, Clone, Copy)]
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pub struct Text<'a, Font> {
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/// The content of the paragraph.
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pub content: &'a str,
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/// The bounds of the paragraph.
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pub bounds: Rectangle,
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/// The size of the [`Text`].
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pub size: f32,
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/// The color of the [`Text`].
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pub color: Color,
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/// The font of the [`Text`].
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pub font: Font,
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/// The horizontal alignment of the [`Text`].
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pub horizontal_alignment: alignment::Horizontal,
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/// The vertical alignment of the [`Text`].
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pub vertical_alignment: alignment::Vertical,
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}
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@ -39,6 +54,7 @@ impl Hit {
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}
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}
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/// A renderer capable of measuring and drawing [`Text`].
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pub trait Renderer: crate::Renderer {
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/// The font type used.
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type Font: Default + Copy;
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@ -69,13 +85,14 @@ pub trait Renderer: crate::Renderer {
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bounds: Size,
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) -> (f32, f32);
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/// Measures the width of the text as if it were laid out in a single line.
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fn measure_width(&self, content: &str, size: u16, font: Self::Font) -> f32 {
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let (width, _) = self.measure(content, size, font, Size::INFINITY);
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width
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}
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/// Tests whether the provided point is within the boundaries of [`Text`]
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/// Tests whether the provided point is within the boundaries of text
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/// laid out with the given parameters, returning information about
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/// the nearest character.
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///
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@ -92,5 +109,6 @@ pub trait Renderer: crate::Renderer {
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nearest_only: bool,
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) -> Option<Hit>;
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/// Draws the given [`Text`].
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fn fill_text(&mut self, text: Text<'_, Self::Font>);
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}
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