Add example
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3 changed files with 221 additions and 1 deletions
98
Cargo.lock
generated
98
Cargo.lock
generated
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@ -159,6 +159,54 @@ dependencies = [
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"libc",
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]
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[[package]]
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name = "anstream"
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version = "0.6.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6e2e1ebcb11de5c03c67de28a7df593d32191b44939c482e97702baaaa6ab6a5"
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dependencies = [
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"anstyle",
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"anstyle-parse",
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"anstyle-query",
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"anstyle-wincon",
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"colorchoice",
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"utf8parse",
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]
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[[package]]
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name = "anstyle"
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2faccea4cc4ab4a667ce676a30e8ec13922a692c99bb8f5b11f1502c72e04220"
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[[package]]
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name = "anstyle-parse"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
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dependencies = [
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"utf8parse",
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]
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[[package]]
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name = "anstyle-query"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
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dependencies = [
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "anstyle-wincon"
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version = "3.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
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dependencies = [
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"anstyle",
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "arboard"
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version = "3.3.0"
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@ -694,6 +742,12 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
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[[package]]
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name = "colorchoice"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
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[[package]]
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name = "com"
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version = "0.6.0"
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@ -936,6 +990,7 @@ dependencies = [
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"objc",
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"parking_lot",
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"percent-encoding",
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"pollster",
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"raw-window-handle 0.5.2",
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"raw-window-handle 0.6.0",
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"static_assertions",
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@ -944,6 +999,7 @@ dependencies = [
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"wasm-bindgen-futures",
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"web-sys",
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"web-time",
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"wgpu",
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"winapi",
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"winit",
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]
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@ -967,6 +1023,7 @@ dependencies = [
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"eframe",
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"egui",
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"egui-wgpu",
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"env_logger",
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"glyphon",
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]
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@ -1048,6 +1105,29 @@ dependencies = [
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"syn 2.0.48",
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]
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[[package]]
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name = "env_filter"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a009aa4810eb158359dda09d0c87378e4bbb89b5a801f016885a4707ba24f7ea"
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dependencies = [
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"log",
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"regex",
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]
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[[package]]
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name = "env_logger"
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version = "0.11.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "05e7cf40684ae96ade6232ed84582f40ce0a66efcd43a5117aef610534f8e0b8"
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dependencies = [
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"anstream",
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"anstyle",
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"env_filter",
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"humantime",
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"log",
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]
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[[package]]
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name = "epaint"
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version = "0.25.0"
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@ -1557,6 +1637,12 @@ dependencies = [
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "humantime"
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version = "2.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
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[[package]]
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name = "icrate"
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version = "0.0.4"
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@ -2173,6 +2259,12 @@ dependencies = [
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "pollster"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"
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[[package]]
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name = "ppv-lite86"
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version = "0.2.17"
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@ -2919,6 +3011,12 @@ dependencies = [
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"percent-encoding",
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]
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[[package]]
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name = "utf8parse"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
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[[package]]
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name = "version_check"
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version = "0.9.4"
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@ -11,4 +11,5 @@ egui-wgpu = { git = "https://github.com/emilk/egui" }
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glyphon = { git = "https://github.com/StratusFearMe21/glyphon" }
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[dev-dependencies]
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eframe = { git = "https://github.com/emilk/egui" }
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eframe = { git = "https://github.com/emilk/egui", features = ["wgpu"] }
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env_logger = "0.11.1"
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121
examples/hello-world.rs
Normal file
121
examples/hello-world.rs
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@ -0,0 +1,121 @@
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#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
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use std::{
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ops::{Deref, DerefMut},
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sync::Arc,
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};
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use eframe::{
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egui::{self, Slider},
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egui_wgpu,
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epaint::{
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mutex::{Mutex, RwLock},
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Rect, Vec2,
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},
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CreationContext,
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};
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use egui_glyphon::{
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glyphon::{Attrs, Family, FontSystem, Metrics, Shaping},
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BufferWithTextArea, GlyphonRenderer, GlyphonRendererCallback,
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};
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fn main() -> Result<(), eframe::Error> {
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env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
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let options = eframe::NativeOptions {
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viewport: egui::ViewportBuilder::default().with_inner_size([320.0, 240.0]),
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..Default::default()
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};
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eframe::run_native(
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"My egui App",
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options,
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Box::new(|cc| Box::new(MyApp::new(cc))),
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)
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}
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struct Buffer(egui_glyphon::glyphon::Buffer);
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impl AsRef<egui_glyphon::glyphon::Buffer> for Buffer {
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fn as_ref(&self) -> &egui_glyphon::glyphon::Buffer {
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&self.0
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}
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}
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impl Deref for Buffer {
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type Target = egui_glyphon::glyphon::Buffer;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for Buffer {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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struct MyApp {
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font_system: Arc<Mutex<FontSystem>>,
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size: f32,
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buffer: Arc<RwLock<Buffer>>,
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}
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impl Default for MyApp {
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fn default() -> Self {
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let mut font_system = FontSystem::new();
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let mut buffer = Buffer(egui_glyphon::glyphon::Buffer::new(
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&mut font_system,
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Metrics::new(30.0, 42.0),
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));
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buffer.set_size(&mut font_system, 16.0, 9.0);
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buffer.set_text(&mut font_system, "<== Hello world! ==> 👋\nThis is rendered with 🦅 glyphon 🦁\nThe text below should be partially clipped.\na b c d e f g h i j k l m n o p q r s t u v w x y z", Attrs::new().family(Family::SansSerif), Shaping::Advanced);
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buffer.shape_until_scroll(&mut font_system);
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Self {
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font_system: Arc::new(Mutex::new(font_system)),
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buffer: Arc::new(RwLock::new(buffer)),
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size: 35.0,
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}
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}
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}
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impl MyApp {
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fn new(cc: &CreationContext<'_>) -> Self {
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let app = Self::default();
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if let Some(ref wgpu) = cc.wgpu_render_state {
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GlyphonRenderer::insert(wgpu, Arc::clone(&app.font_system));
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}
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app
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}
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}
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impl eframe::App for MyApp {
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fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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let size = Vec2::new(16.0 * self.size, 9.0 * self.size);
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{
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let mut font_system = self.font_system.lock();
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let mut buffer = self.buffer.write();
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buffer.set_metrics(&mut font_system, Metrics::new(self.size, self.size));
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buffer.set_size(&mut font_system, size.x, size.y);
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buffer.shape_until_scroll(&mut font_system);
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}
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egui::CentralPanel::default().show(ctx, |ui| {
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ui.add(Slider::new(&mut self.size, 0.1..=67.5));
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let rect = Rect::from_min_size(ui.cursor().min, size);
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let buffers: Vec<BufferWithTextArea<Buffer>> = vec![BufferWithTextArea::new(
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Arc::clone(&self.buffer),
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rect,
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1.0,
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egui_glyphon::glyphon::Color::rgb(255, 255, 255),
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ui.ctx(),
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)];
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ui.painter().add(egui_wgpu::Callback::new_paint_callback(
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ui.max_rect(),
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GlyphonRendererCallback { buffers },
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));
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});
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}
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}
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