50 lines
1.6 KiB
Rust
50 lines
1.6 KiB
Rust
use crate::{Primitive, Renderer};
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use iced_native::{layout, text, Color, Layout, MouseCursor, Size, Text};
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use wgpu_glyph::{GlyphCruncher, Section};
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use std::f32;
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// TODO: Obtain from renderer configuration
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const DEFAULT_TEXT_SIZE: f32 = 20.0;
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impl text::Renderer for Renderer {
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fn layout(&self, text: &Text, limits: &layout::Limits) -> layout::Node {
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let limits = limits.width(text.width).height(text.height);
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let size = text.size.map(f32::from).unwrap_or(DEFAULT_TEXT_SIZE);
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let bounds = limits.max();
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let section = Section {
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text: &text.content,
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scale: wgpu_glyph::Scale { x: size, y: size },
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bounds: (bounds.width, bounds.height),
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..Default::default()
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};
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let (width, height) = if let Some(bounds) =
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self.text_measurements.borrow_mut().glyph_bounds(§ion)
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{
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(bounds.width().ceil(), bounds.height().ceil())
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} else {
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(0.0, 0.0)
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};
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let size = limits.resolve(Size::new(width, height));
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layout::Node::new(size)
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}
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fn draw(&mut self, text: &Text, layout: Layout<'_>) -> Self::Output {
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(
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Primitive::Text {
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content: text.content.clone(),
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size: text.size.map(f32::from).unwrap_or(DEFAULT_TEXT_SIZE),
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bounds: layout.bounds(),
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color: text.color.unwrap_or(Color::BLACK),
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horizontal_alignment: text.horizontal_alignment,
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vertical_alignment: text.vertical_alignment,
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},
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MouseCursor::OutOfBounds,
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)
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}
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}
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