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Undocumented and unsupported, but this allows generating example images. This push is testing that the image makes it through CI. Refs #125
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,141 +1 @@ | ||
| use std::panic::AssertUnwindSafe; | ||
| use std::path::PathBuf; | ||
|
|
||
| use cushy::figures::units::Px; | ||
| use cushy::figures::Size; | ||
| use cushy::widget::MakeWidget; | ||
| use cushy::widgets::container::ContainerShadow; | ||
| use cushy::window::{AnimationRecorder, Rgba8, VirtualRecorder, VirtualRecorderBuilder}; | ||
|
|
||
| pub struct BookExampleBuilder { | ||
| name: &'static str, | ||
| recorder: VirtualRecorderBuilder<Rgba8>, | ||
| } | ||
|
|
||
| impl BookExampleBuilder { | ||
| pub fn finish(self) -> BookExample { | ||
| BookExample { | ||
| name: self.name, | ||
| recorder: self.recorder.finish().expect("error creating recorder"), | ||
| } | ||
| } | ||
|
|
||
| pub fn untested_still_frame(self) { | ||
| self.finish().untested_still_frame() | ||
| } | ||
|
|
||
| pub fn prepare_with<Prepare>(self, prepare: Prepare) -> BookExample | ||
| where | ||
| Prepare: FnOnce(&mut VirtualRecorder<Rgba8>), | ||
| { | ||
| self.finish().prepare_with(prepare) | ||
| } | ||
|
|
||
| pub fn still_frame<Test>(self, test: Test) | ||
| where | ||
| Test: FnOnce(&mut VirtualRecorder<Rgba8>), | ||
| { | ||
| self.finish().still_frame(test); | ||
| } | ||
|
|
||
| pub fn animated<Test>(self, test: Test) | ||
| where | ||
| Test: FnOnce(&mut AnimationRecorder<'_, Rgba8>), | ||
| { | ||
| self.finish().animated(test); | ||
| } | ||
| } | ||
|
|
||
| fn target_dir() -> PathBuf { | ||
| let target_dir = std::env::current_dir() | ||
| .expect("missing current dir") | ||
| .parent() | ||
| .expect("missing guide folder") | ||
| .join("src") | ||
| .join("examples"); | ||
| assert!( | ||
| target_dir.is_dir(), | ||
| "current directory is not guide-examples" | ||
| ); | ||
|
|
||
| target_dir | ||
| } | ||
|
|
||
| pub struct BookExample { | ||
| name: &'static str, | ||
| recorder: VirtualRecorder<Rgba8>, | ||
| } | ||
|
|
||
| impl BookExample { | ||
| pub fn build(name: &'static str, interface: impl MakeWidget) -> BookExampleBuilder { | ||
| BookExampleBuilder { | ||
| name, | ||
| recorder: interface | ||
| .contain() | ||
| .shadow(ContainerShadow::drop(Px::new(16))) | ||
| .width(Px::new(750)) | ||
| .build_recorder() | ||
| .with_alpha() | ||
| .resize_to_fit() | ||
| .size(Size::new(750, 432)), | ||
| } | ||
| } | ||
|
|
||
| pub fn untested_still_frame(self) { | ||
| self.still_frame(|_| {}); | ||
| } | ||
|
|
||
| pub fn prepare_with<Prepare>(mut self, prepare: Prepare) -> Self | ||
| where | ||
| Prepare: FnOnce(&mut VirtualRecorder<Rgba8>), | ||
| { | ||
| prepare(&mut self.recorder); | ||
| self | ||
| } | ||
|
|
||
| pub fn still_frame<Test>(mut self, test: Test) | ||
| where | ||
| Test: FnOnce(&mut VirtualRecorder<Rgba8>), | ||
| { | ||
| let capture = std::env::var("CAPTURE").is_ok(); | ||
| let errored = | ||
| std::panic::catch_unwind(AssertUnwindSafe(|| test(&mut self.recorder))).is_err(); | ||
| if errored || capture { | ||
| let path = target_dir().join(format!("{}.png", self.name)); | ||
| self.recorder | ||
| .image() | ||
| .save(&path) | ||
| .expect("error saving file"); | ||
| println!("Wrote {}", path.display()); | ||
|
|
||
| if errored { | ||
| std::process::exit(-1); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn animated<Test>(mut self, test: Test) | ||
| where | ||
| Test: FnOnce(&mut AnimationRecorder<'_, Rgba8>), | ||
| { | ||
| let mut animation = self.recorder.record_animated_png(60); | ||
| let capture = std::env::var("CAPTURE").is_ok(); | ||
| let errored = std::panic::catch_unwind(AssertUnwindSafe(|| test(&mut animation))).is_err(); | ||
| if errored || capture { | ||
| let path = target_dir().join(format!("{}.png", self.name)); | ||
| animation.write_to(&path).expect("error saving file"); | ||
| println!("Wrote {}", path.display()); | ||
|
|
||
| if errored { | ||
| std::process::exit(-1); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[macro_export] | ||
| macro_rules! book_example { | ||
| ($name:ident) => { | ||
| guide_examples::BookExample::build(stringify!($name), $name()) | ||
| }; | ||
| } |
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