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donglora/vendor/embedded-graphics/tests/custom_primitive_style.rs
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swaitsandClaude Opus 4.6 3102fc747a feat: add display UI with splash screen, dashboard, and RSSI sparkline
Implement full SSD1306 OLED display support:
- Splash screen on boot (1.5s) with project name, version, board
- Dashboard showing radio state, config, counters, RSSI/SNR
- RSSI history sparkline (64-sample ring buffer, 2px-wide bars)
- DisplayOn/DisplayOff host commands routed via dedicated channel
- Pure render functions against generic DrawTarget (no hardware coupling)
- Display on/off control bypasses radio task entirely

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 20:42:54 -06:00

50 lines
1.1 KiB
Rust

use embedded_graphics::{
mock_display::MockDisplay,
pixelcolor::Rgb888,
prelude::*,
primitives::{Rectangle, StyledDrawable},
};
struct CheckerboardStyle<C>(C, C);
impl<C: PixelColor> StyledDrawable<CheckerboardStyle<C>> for Rectangle {
type Color = C;
type Output = ();
fn draw_styled<D>(
&self,
style: &CheckerboardStyle<C>,
target: &mut D,
) -> Result<Self::Output, D::Error>
where
D: DrawTarget<Color = Self::Color>,
{
target.fill_contiguous(
self,
self.points().map(|p| {
if (p.x % 2 == 0) ^ (p.y % 2 == 0) {
style.1
} else {
style.0
}
}),
)
}
}
#[test]
fn custom_primitive_style() {
let style = CheckerboardStyle(Rgb888::RED, Rgb888::GREEN);
let mut display = MockDisplay::new();
Rectangle::new(Point::zero(), Size::new(4, 3))
.into_styled(style)
.draw(&mut display)
.unwrap();
display.assert_pattern(&[
"RGRG", //
"GRGR", //
"RGRG", //
]);
}