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add rectangle_outline function

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This commit is contained in:
Dennis Ranke
2021-12-30 22:03:46 +01:00
parent bf7604d385
commit 6ca63b87e5
4 changed files with 23 additions and 0 deletions
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platform/bin/loader.wasm
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platform/bin/platform.uw8
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20
platform/src/platform.cwa
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@@ -115,6 +115,26 @@ export fn rectangle(x: f32, y: f32, w: f32, h: f32, col: i32) {
}
}
export fn rectangle_outline(x: f32, y: f32, w: f32, h: f32, col: i32) {
let xl = nearest(x) as i32;
let xr = nearest(x + w) as i32;
let yt = nearest(y) as i32;
let yb = nearest(y + h) as i32;
hline(xl, xr, yt, col);
if yt < yb {
hline(xl, xr, yb - 1, col);
loop y {
setPixel(xl, yt, col);
if xl < xr {
setPixel(xr - 1, yt, col);
}
branch_if (yt := yt + 1) < yb: y;
}
}
}
export fn circle(cx: f32, cy: f32, radius: f32, col: i32) {
let y = clamp(nearest(cy - radius) as i32, 0, 240);
let maxY = clamp(nearest(cy + radius) as i32, 0, 240);

3
uw8-tool/src/base_module.rs
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@@ -89,6 +89,9 @@ impl BaseModule {
add_function(&mut functions, &type_map, "setBackgroundColor", &[I32], None);
add_function(&mut functions, &type_map, "setCursorPosition", &[I32, I32], None);
add_function(&mut functions, &type_map, "rectangle_outline", &[F32, F32, F32, F32, I32], None);
add_function(&mut functions, &type_map, "circle_outline", &[F32, F32, F32, I32], None);
for i in functions.len()..64 {
add_function(
&mut functions,