1use std::path::PathBuf;
2use std::str::FromStr;
3use std::sync::Arc;
4
5use gpui::*;
6use std::fs;
7
8struct Assets {
9 base: PathBuf,
10}
11
12impl AssetSource for Assets {
13 fn load(&self, path: &str) -> Result<Option<std::borrow::Cow<'static, [u8]>>> {
14 fs::read(self.base.join(path))
15 .map(|data| Some(std::borrow::Cow::Owned(data)))
16 .map_err(|e| e.into())
17 }
18
19 fn list(&self, path: &str) -> Result<Vec<SharedString>> {
20 fs::read_dir(self.base.join(path))
21 .map(|entries| {
22 entries
23 .filter_map(|entry| {
24 entry
25 .ok()
26 .and_then(|entry| entry.file_name().into_string().ok())
27 .map(SharedString::from)
28 })
29 .collect()
30 })
31 .map_err(|e| e.into())
32 }
33}
34
35#[derive(IntoElement)]
36struct ImageContainer {
37 text: SharedString,
38 src: ImageSource,
39}
40
41impl ImageContainer {
42 pub fn new(text: impl Into<SharedString>, src: impl Into<ImageSource>) -> Self {
43 Self {
44 text: text.into(),
45 src: src.into(),
46 }
47 }
48}
49
50impl RenderOnce for ImageContainer {
51 fn render(self, _: &mut WindowContext) -> impl IntoElement {
52 div().child(
53 div()
54 .flex_row()
55 .size_full()
56 .gap_4()
57 .child(self.text)
58 .child(img(self.src).w(px(256.0)).h(px(256.0))),
59 )
60 }
61}
62
63struct ImageShowcase {
64 local_resource: Arc<PathBuf>,
65 remote_resource: SharedUri,
66 asset_resource: SharedString,
67}
68
69impl Render for ImageShowcase {
70 fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
71 div()
72 .flex()
73 .flex_row()
74 .size_full()
75 .justify_center()
76 .items_center()
77 .gap_8()
78 .bg(rgb(0xFFFFFF))
79 .child(ImageContainer::new(
80 "Image loaded from a local file",
81 self.local_resource.clone(),
82 ))
83 .child(ImageContainer::new(
84 "Image loaded from a remote resource",
85 self.remote_resource.clone(),
86 ))
87 .child(ImageContainer::new(
88 "Image loaded from an asset",
89 self.asset_resource.clone(),
90 ))
91 }
92}
93
94actions!(image, [Quit]);
95
96fn main() {
97 env_logger::init();
98
99 App::new()
100 .with_assets(Assets {
101 base: PathBuf::from("crates/gpui/examples"),
102 })
103 .run(|cx: &mut AppContext| {
104 cx.activate(true);
105 cx.on_action(|_: &Quit, cx| cx.quit());
106 cx.bind_keys([KeyBinding::new("cmd-q", Quit, None)]);
107 cx.set_menus(vec![Menu {
108 name: "Image".into(),
109 items: vec![MenuItem::action("Quit", Quit)],
110 }]);
111
112 let window_options = WindowOptions {
113 titlebar: Some(TitlebarOptions {
114 title: Some(SharedString::from("Image Example")),
115 appears_transparent: false,
116 ..Default::default()
117 }),
118
119 window_bounds: Some(WindowBounds::Windowed(Bounds {
120 size: size(px(1100.), px(600.)),
121 origin: Point::new(px(200.), px(200.)),
122 })),
123
124 ..Default::default()
125 };
126
127 cx.open_window(window_options, |cx| {
128 cx.new_view(|_cx| ImageShowcase {
129 // Relative path to your root project path
130 local_resource: Arc::new(
131 PathBuf::from_str("crates/gpui/examples/image/app-icon.png").unwrap(),
132 ),
133 remote_resource: "https://picsum.photos/512/512".into(),
134
135 asset_resource: "image/color.svg".into(),
136 })
137 })
138 .unwrap();
139 });
140}