voxel/hUI
voxel/hUI
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add docs

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griffi-gh 2024-03-23 23:23:24 +01:00
parent 71b160d7aa
commit f60087f12e
1 changed files with 5 additions and 1 deletions
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6
hui/src/text.rs
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@ -8,6 +8,7 @@ mod font;
mod ftm;
mod stack;
/// Built-in font handle
#[cfg(feature="builtin_font")]
pub use font::BUILTIN_FONT;
pub use font::FontHandle;
@ -17,7 +18,7 @@ use ftm::FontTextureManager;
use ftm::GlyphCacheEntry;
use stack::FontStack;
pub struct TextRenderer {
pub(crate) struct TextRenderer {
manager: FontManager,
ftm: FontTextureManager,
stack: FontStack,
@ -63,15 +64,18 @@ impl Default for TextRenderer {
}
}
/// Size of measured text
pub struct TextMeasureResponse {
pub max_width: f32,
pub height: f32,
}
/// Context for measuring text
#[derive(Clone, Copy)]
pub struct TextMeasure<'a>(&'a TextRenderer);
impl<'a> TextMeasure<'a> {
/// Measure the given string of text with the given font and size
pub fn measure(&self, font: FontHandle, size: u16, text: &str) -> TextMeasureResponse {
use fontdue::layout::{Layout, CoordinateSystem, TextStyle};
let mut layout = Layout::new(CoordinateSystem::PositiveYDown);