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egui/egui_web/src/painter.rs
Emil Ernerfeldt fa43d16c41 Choose your own font and size (#1154)
* Refactor text layout: don't need &Fonts in all functions
* Replace indexing in Fonts with member function
* Wrap Fonts in a Mutex
* Remove mutex for Font::glyph_info_cache
* Remove RwLock around Font::characters
* Put FontsImpl and GalleyCache behind the same Mutex
* Round font sizes to whole pixels before deduplicating them
* Make TextStyle !Copy
* Implement user-named TextStyle:s
* round font size earlier
* Cache fonts based on family and size
* Move TextStyle into egui and Style
* Remove body_text_style
* Query graphics about max texture size and use that as font atlas size
* Recreate texture atlas when it is getting full
2022-01-24 14:32:36 +01:00

26 lines
664 B
Rust

use wasm_bindgen::prelude::JsValue;
pub trait Painter {
/// Max size of one side of a texture.
fn max_texture_side(&self) -> usize;
fn set_texture(&mut self, tex_id: egui::TextureId, delta: &egui::epaint::ImageDelta);
fn free_texture(&mut self, tex_id: egui::TextureId);
fn debug_info(&self) -> String;
/// id of the canvas html element containing the rendering
fn canvas_id(&self) -> &str;
fn clear(&mut self, clear_color: egui::Rgba);
fn paint_meshes(
&mut self,
clipped_meshes: Vec<egui::ClippedMesh>,
pixels_per_point: f32,
) -> Result<(), JsValue>;
fn name(&self) -> &'static str;
}