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 f8b80040f3
commit 9acdacaa32
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 ftm;
mod stack; mod stack;
/// Built-in font handle
#[cfg(feature="builtin_font")] #[cfg(feature="builtin_font")]
pub use font::BUILTIN_FONT; pub use font::BUILTIN_FONT;
pub use font::FontHandle; pub use font::FontHandle;
@ -17,7 +18,7 @@ use ftm::FontTextureManager;
use ftm::GlyphCacheEntry; use ftm::GlyphCacheEntry;
use stack::FontStack; use stack::FontStack;
pub struct TextRenderer { pub(crate) struct TextRenderer {
manager: FontManager, manager: FontManager,
ftm: FontTextureManager, ftm: FontTextureManager,
stack: FontStack, stack: FontStack,
@ -63,15 +64,18 @@ impl Default for TextRenderer {
} }
} }
/// Size of measured text
pub struct TextMeasureResponse { pub struct TextMeasureResponse {
pub max_width: f32, pub max_width: f32,
pub height: f32, pub height: f32,
} }
/// Context for measuring text
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
pub struct TextMeasure<'a>(&'a TextRenderer); pub struct TextMeasure<'a>(&'a TextRenderer);
impl<'a> TextMeasure<'a> { 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 { pub fn measure(&self, font: FontHandle, size: u16, text: &str) -> TextMeasureResponse {
use fontdue::layout::{Layout, CoordinateSystem, TextStyle}; use fontdue::layout::{Layout, CoordinateSystem, TextStyle};
let mut layout = Layout::new(CoordinateSystem::PositiveYDown); let mut layout = Layout::new(CoordinateSystem::PositiveYDown);