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🎉 Render liner gradient fills

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This commit is contained in:
Belén Albeza 2024-11-28 15:50:04 +01:00
parent 8fa334265c
commit c8e322cd58
4 changed files with 116 additions and 15 deletions
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30
render-wasm/src/main.rs
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@ -159,6 +159,36 @@ pub extern "C" fn add_shape_solid_fill(r: u8, g: u8, b: u8, a: f32) {
}
}
#[no_mangle]
pub extern "C" fn add_shape_linear_fill(
start_x: f32,
start_y: f32,
end_x: f32,
end_y: f32,
opacity: f32,
) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
if let Some(shape) = state.current_shape() {
shape.add_fill(shapes::Fill::new_linear_gradient(
(start_x, start_y),
(end_x, end_y),
opacity,
))
}
}
#[no_mangle]
pub extern "C" fn add_shape_fill_stop(r: u8, g: u8, b: u8, a: f32, offset: f32) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
if let Some(shape) = state.current_shape() {
let alpha: u8 = (a * 0xff as f32).floor() as u8;
let color = skia::Color::from_argb(alpha, r, g, b);
shape
.add_gradient_stop(color, offset)
.expect("got no fill or an invalid one");
}
}
#[no_mangle]
pub extern "C" fn clear_shape_fills() {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");