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-rw-r--r--wgpu/src/renderer/widget/text.rs37
1 files changed, 26 insertions, 11 deletions
diff --git a/wgpu/src/renderer/widget/text.rs b/wgpu/src/renderer/widget/text.rs
index d824c07c..713b514f 100644
--- a/wgpu/src/renderer/widget/text.rs
+++ b/wgpu/src/renderer/widget/text.rs
@@ -1,7 +1,7 @@
use crate::{Primitive, Renderer};
-use iced_native::{layout, text, Color, Layout, MouseCursor, Rectangle, Text};
+use iced_native::{layout, text, Color, Layout, MouseCursor, Size, Text};
-//use wgpu_glyph::{GlyphCruncher, Section};
+use wgpu_glyph::{GlyphCruncher, Section};
use std::f32;
@@ -9,17 +9,32 @@ use std::f32;
const DEFAULT_TEXT_SIZE: f32 = 20.0;
impl text::Renderer for Renderer {
- fn layout(&self, text: &Text, limits: &layout::Limits) -> Layout {
- // TODO
- Layout::new(Rectangle {
- x: 0.0,
- y: 0.0,
- width: 0.0,
- height: 0.0,
- })
+ fn layout(&self, text: &Text, limits: &layout::Limits) -> layout::Node {
+ let limits = limits.width(text.width).height(text.height);
+ let size = text.size.map(f32::from).unwrap_or(DEFAULT_TEXT_SIZE);
+ let bounds = limits.max();
+
+ let section = Section {
+ text: &text.content,
+ scale: wgpu_glyph::Scale { x: size, y: size },
+ bounds: (bounds.width, bounds.height),
+ ..Default::default()
+ };
+
+ let (width, height) = if let Some(bounds) =
+ self.glyph_brush.borrow_mut().glyph_bounds(&section)
+ {
+ (bounds.width().ceil(), bounds.height().ceil())
+ } else {
+ (0.0, 0.0)
+ };
+
+ let size = limits.resolve(Size::new(width, height));
+
+ layout::Node::new(size)
}
- fn draw(&mut self, text: &Text, layout: &Layout) -> Self::Output {
+ fn draw(&mut self, text: &Text, layout: Layout<'_>) -> Self::Output {
(
Primitive::Text {
content: text.content.clone(),