1#![cfg_attr(target_family = "wasm", no_main)]
  2
  3use std::fs;
  4use std::path::PathBuf;
  5
  6use anyhow::Result;
  7use gpui::{
  8    App, AssetSource, Bounds, Context, SharedString, Window, WindowBounds, WindowOptions, div,
  9    prelude::*, px, rgb, size, svg,
 10};
 11use gpui_platform::application;
 12
 13struct Assets {
 14    base: PathBuf,
 15}
 16
 17impl AssetSource for Assets {
 18    fn load(&self, path: &str) -> Result<Option<std::borrow::Cow<'static, [u8]>>> {
 19        fs::read(self.base.join(path))
 20            .map(|data| Some(std::borrow::Cow::Owned(data)))
 21            .map_err(|err| err.into())
 22    }
 23
 24    fn list(&self, path: &str) -> Result<Vec<SharedString>> {
 25        fs::read_dir(self.base.join(path))
 26            .map(|entries| {
 27                entries
 28                    .filter_map(|entry| {
 29                        entry
 30                            .ok()
 31                            .and_then(|entry| entry.file_name().into_string().ok())
 32                            .map(SharedString::from)
 33                    })
 34                    .collect()
 35            })
 36            .map_err(|err| err.into())
 37    }
 38}
 39
 40struct SvgExample;
 41
 42impl Render for SvgExample {
 43    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
 44        div()
 45            .flex()
 46            .flex_row()
 47            .size_full()
 48            .justify_center()
 49            .items_center()
 50            .gap_8()
 51            .bg(rgb(0xffffff))
 52            .child(
 53                svg()
 54                    .path("svg/dragon.svg")
 55                    .size_8()
 56                    .text_color(rgb(0xff0000)),
 57            )
 58            .child(
 59                svg()
 60                    .path("svg/dragon.svg")
 61                    .size_8()
 62                    .text_color(rgb(0x00ff00)),
 63            )
 64            .child(
 65                svg()
 66                    .path("svg/dragon.svg")
 67                    .size_8()
 68                    .text_color(rgb(0x0000ff)),
 69            )
 70    }
 71}
 72
 73fn run_example() {
 74    application()
 75        .with_assets(Assets {
 76            base: PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("examples"),
 77        })
 78        .run(|cx: &mut App| {
 79            let bounds = Bounds::centered(None, size(px(300.0), px(300.0)), cx);
 80            cx.open_window(
 81                WindowOptions {
 82                    window_bounds: Some(WindowBounds::Windowed(bounds)),
 83                    ..Default::default()
 84                },
 85                |_, cx| cx.new(|_| SvgExample),
 86            )
 87            .unwrap();
 88            cx.activate(true);
 89        });
 90}
 91
 92#[cfg(not(target_family = "wasm"))]
 93fn main() {
 94    run_example();
 95}
 96
 97#[cfg(target_family = "wasm")]
 98#[wasm_bindgen::prelude::wasm_bindgen(start)]
 99pub fn start() {
100    gpui_platform::web_init();
101    run_example();
102}