migrations/egui
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Improve documentation and logging

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This commit is contained in:
Emil Ernerfeldt
2022-08-20 15:06:43 +02:00
parent 725aa5277b
commit 8737933101
5 changed files with 11 additions and 4 deletions
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5
crates/eframe/src/lib.rs
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@@ -48,8 +48,9 @@
//! /// Call this once from the HTML.
//! #[cfg(target_arch = "wasm32")]
//! #[wasm_bindgen]
//! pub fn start(canvas_id: &str) -> Result<(), eframe::wasm_bindgen::JsValue> {
//! eframe::start_web(canvas_id, Box::new(|cc| Box::new(MyApp::new(cc))))
//! pub fn start(canvas_id: &str) -> Result<AppRunnerRef, eframe::wasm_bindgen::JsValue> {
//! let web_options = eframe::WebOptions::default();
//! eframe::start_web(canvas_id, web_options, Box::new(|cc| Box::new(MyEguiApp::new(cc))))
//! }
//! ```
//!

4
crates/eframe/src/web/mod.rs
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@@ -108,6 +108,10 @@ pub fn resize_canvas_to_screen_size(canvas_id: &str, max_size_points: egui::Vec2
y: height as f32,
};
if width <= 0 || height <= 0 {
tracing::error!("egui canvas parent size is {}x{}. Try adding `html, body {{ height: 100%; width: 100% }}` to your CSS!", width, height);
}
let pixels_per_point = native_pixels_per_point();
let max_size_pixels = pixels_per_point * max_size_points;