image_rs/
image-rs.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2025 Fundament Research Institute <https://fundament.institute>
3
4use feather_macro::*;
5use feather_ui::color::sRGB;
6use feather_ui::component::image::Image;
7use feather_ui::component::region::Region;
8use feather_ui::component::shape::{Shape, ShapeKind};
9use feather_ui::component::window::Window;
10use feather_ui::layout::{fixed, leaf};
11use feather_ui::persist::{FnPersist2, FnPersistStore};
12use feather_ui::{
13    AbsPoint, AbsRect, App, DAbsRect, DPoint, DRect, PxRect, RelRect, ScopeID, SourceID,
14    UNSIZED_AXIS, gen_id, im, winit,
15};
16use std::path::PathBuf;
17use std::sync::Arc;
18
19#[derive(Default, Empty, Area, Anchor, ZIndex, Limits, RLimits, Padding)]
20struct FixedData {
21    area: DRect,
22    anchor: DPoint,
23    limits: feather_ui::DLimits,
24    rlimits: feather_ui::RelLimits,
25    padding: DAbsRect,
26    zindex: i32,
27}
28
29impl fixed::Prop for FixedData {}
30impl fixed::Child for FixedData {}
31impl leaf::Prop for FixedData {}
32impl leaf::Padded for FixedData {}
33
34struct BasicApp {}
35
36impl FnPersistStore for BasicApp {
37    type Store = im::HashMap<Arc<SourceID>, Option<Window>>;
38}
39
40impl FnPersist2<(), ScopeID<'_>, im::HashMap<Arc<SourceID>, Option<Window>>> for BasicApp {
41    fn init(&self) -> Self::Store {
42        im::HashMap::new()
43    }
44
45    fn call(
46        &mut self,
47        _: Self::Store,
48        _: (),
49        mut scope: ScopeID<'_>,
50    ) -> (Self::Store, im::HashMap<Arc<SourceID>, Option<Window>>) {
51        let pixel = Shape::<DRect, { ShapeKind::RoundRect as u8 }>::new(
52            scope.create(),
53            PxRect::new(1.0, 1.0, 2.0, 2.0).into(),
54            0.0,
55            0.0,
56            wide::f32x4::splat(0.0),
57            sRGB::new(1.0, 1.0, 1.0, 1.0),
58            sRGB::transparent(),
59            feather_ui::DAbsPoint::zero(),
60        );
61
62        let mut children: im::Vector<Option<Box<feather_ui::component::ChildOf<dyn fixed::Prop>>>> =
63            im::Vector::new();
64        children.push_back(Some(Box::new(pixel)));
65
66        let mut genimage = |pos: AbsPoint,
67                            w: Option<f32>,
68                            h: Option<f32>,
69                            res: &dyn feather_ui::resource::Location,
70                            size: Option<AbsPoint>| {
71            Image::<DRect>::new(
72                scope.create(),
73                AbsRect::new(
74                    pos.x,
75                    pos.y,
76                    w.map(|x| x + pos.x).unwrap_or_default(),
77                    h.map(|y| y + pos.y).unwrap_or_default(),
78                ) + RelRect::new(
79                    0.0,
80                    0.0,
81                    if w.is_none() { UNSIZED_AXIS } else { 0.0 },
82                    if h.is_none() { UNSIZED_AXIS } else { 0.0 },
83                ),
84                res,
85                size.unwrap_or_default().into(),
86                false,
87            )
88        };
89
90        #[cfg(feature = "png")]
91        {
92            let testimage = PathBuf::from("./premul_test.png");
93
94            children.push_back(Some(Box::new(genimage(
95                AbsPoint::new(0.0, 0.0),
96                Some(100.0),
97                Some(100.0),
98                &testimage,
99                None,
100            ))));
101
102            children.push_back(Some(Box::new(genimage(
103                AbsPoint::new(100.0, 0.0),
104                None,
105                Some(100.0),
106                &testimage,
107                None,
108            ))));
109
110            children.push_back(Some(Box::new(genimage(
111                AbsPoint::new(0.0, 100.0),
112                None,
113                None,
114                &testimage,
115                Some(AbsPoint::new(100.0, 100.0)),
116            ))));
117
118            children.push_back(Some(Box::new(genimage(
119                AbsPoint::new(100.0, 100.0),
120                None,
121                None,
122                &testimage,
123                None,
124            ))));
125        }
126
127        #[cfg(feature = "svg")]
128        {
129            let testsvg = PathBuf::from("./FRI_logo.svg");
130
131            children.push_back(Some(Box::new(genimage(
132                AbsPoint::new(200.0, 0.0),
133                Some(100.0),
134                Some(100.0),
135                &testsvg,
136                None,
137            ))));
138
139            children.push_back(Some(Box::new(genimage(
140                AbsPoint::new(300.0, 0.0),
141                None,
142                Some(100.0),
143                &testsvg,
144                None,
145            ))));
146
147            children.push_back(Some(Box::new(genimage(
148                AbsPoint::new(200.0, 100.0),
149                None,
150                None,
151                &testsvg,
152                Some(AbsPoint::new(100.0, 100.0)),
153            ))));
154
155            children.push_back(Some(Box::new(genimage(
156                AbsPoint::new(300.0, 100.0),
157                None,
158                None,
159                &testsvg,
160                None,
161            ))));
162        }
163
164        #[cfg(feature = "png")]
165        {
166            let testimage = PathBuf::from("./test_color.png");
167
168            children.push_back(Some(Box::new(genimage(
169                AbsPoint::new(0.0, 200.0),
170                Some(100.0),
171                Some(100.0),
172                &testimage,
173                None,
174            ))));
175
176            children.push_back(Some(Box::new(genimage(
177                AbsPoint::new(100.0, 200.0),
178                Some(100.0),
179                None,
180                &testimage,
181                None,
182            ))));
183
184            children.push_back(Some(Box::new(genimage(
185                AbsPoint::new(0.0, 300.0),
186                None,
187                None,
188                &testimage,
189                Some(AbsPoint::new(100.0, 100.0)),
190            ))));
191
192            children.push_back(Some(Box::new(genimage(
193                AbsPoint::new(100.0, 300.0),
194                None,
195                None,
196                &testimage,
197                None,
198            ))));
199        }
200
201        #[cfg(feature = "jxl")]
202        {
203            let testimage = PathBuf::from("./dice.jxl");
204
205            children.push_back(Some(Box::new(genimage(
206                AbsPoint::new(200.0, 200.0),
207                Some(100.0),
208                Some(100.0),
209                &testimage,
210                None,
211            ))));
212
213            children.push_back(Some(Box::new(genimage(
214                AbsPoint::new(300.0, 200.0),
215                Some(100.0),
216                None,
217                &testimage,
218                None,
219            ))));
220
221            children.push_back(Some(Box::new(genimage(
222                AbsPoint::new(200.0, 300.0),
223                None,
224                None,
225                &testimage,
226                Some(AbsPoint::new(100.0, 100.0)),
227            ))));
228
229            children.push_back(Some(Box::new(genimage(
230                AbsPoint::new(300.0, 300.0),
231                None,
232                None,
233                &testimage,
234                None,
235            ))));
236        }
237
238        let region = Region::new(
239            gen_id!(scope),
240            FixedData {
241                area: AbsRect::new(10.0, 10.0, -10.0, -10.0) + RelRect::new(0.0, 0.0, 1.0, 1.0),
242
243                zindex: 0,
244                ..Default::default()
245            },
246            children,
247        );
248
249        #[cfg(feature = "svg")]
250        let icon = Some(
251            feather_ui::resource::load_icon(&std::path::PathBuf::from("./FRI_logo.svg")).unwrap(),
252        );
253        #[cfg(not(feature = "svg"))]
254        let icon = None;
255
256        let window = Window::new(
257            gen_id!(scope),
258            winit::window::Window::default_attributes()
259                .with_title(env!("CARGO_CRATE_NAME"))
260                .with_resizable(true)
261                .with_window_icon(icon),
262            Box::new(region),
263        );
264
265        let mut store = im::HashMap::new();
266        store.insert(window.id.clone(), Some(window));
267        let windows = store.clone();
268        (store, windows)
269    }
270}
271
272fn main() {
273    let (mut app, event_loop, _, _) =
274        App::<(), BasicApp>::new::<()>((), Vec::new(), BasicApp {}, |_| ()).unwrap();
275
276    event_loop.run_app(&mut app).unwrap();
277}