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♻️ Refactor gradient parsing from bytes

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This commit is contained in:
Belén Albeza 2025-04-15 12:33:53 +02:00
parent 1f58f96e88
commit 64a2a08d24
3 changed files with 45 additions and 190 deletions
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81
render-wasm/src/shapes/fills.rs
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@ -144,6 +144,42 @@ impl Gradient {
}
}
impl TryFrom<&[u8]> for Gradient {
type Error = String;
fn try_from(bytes: &[u8]) -> Result<Self, Self::Error> {
let raw_gradient_bytes: [u8; RAW_FILL_DATA_SIZE] = bytes[0..RAW_FILL_DATA_SIZE]
.try_into()
.map_err(|_| "Invalid gradient data".to_string())?;
let raw_gradient = RawGradientData::from(raw_gradient_bytes);
let stops: Vec<RawStopData> = bytes[RAW_FILL_DATA_SIZE..]
.chunks(RAW_STOP_DATA_SIZE)
.map(|chunk| {
let data: [u8; RAW_STOP_DATA_SIZE] = chunk
.try_into()
.map_err(|_| "Invalid stop data".to_string())?;
Ok(RawStopData::from(data))
})
.collect::<Result<Vec<_>, Self::Error>>()?;
let mut gradient = Gradient {
start: raw_gradient.start(),
end: raw_gradient.end(),
opacity: raw_gradient.opacity(),
colors: vec![],
offsets: vec![],
width: raw_gradient.width(),
};
for stop in stops {
gradient.add_stop(stop.color(), stop.offset());
}
Ok(gradient)
}
}
#[derive(Debug, Clone, PartialEq)]
pub struct ImageFill {
id: Uuid,
@ -171,51 +207,6 @@ pub enum Fill {
}
impl Fill {
pub fn new_linear_gradient_with_stops(
start: (f32, f32),
end: (f32, f32),
opacity: f32,
stops: Vec<RawStopData>,
) -> Self {
let mut gradient = Gradient {
start,
end,
opacity,
colors: vec![],
offsets: vec![],
width: 0.,
};
for stop in stops {
gradient.add_stop(stop.color(), stop.offset());
}
Self::LinearGradient(gradient)
}
pub fn new_radial_gradient_with_stops(
start: (f32, f32),
end: (f32, f32),
opacity: f32,
width: f32,
stops: Vec<RawStopData>,
) -> Self {
let mut gradient = Gradient {
start,
end,
opacity,
colors: vec![],
offsets: vec![],
width,
};
for stop in stops {
gradient.add_stop(stop.color(), stop.offset());
}
Self::RadialGradient(gradient)
}
pub fn new_image_fill(id: Uuid, opacity: u8, (width, height): (i32, i32)) -> Self {
Self::Image(ImageFill {
id,