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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/harfbuzz/src/wasm/sample/rust/hello-wasm/src/lib.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--gfx/harfbuzz/src/wasm/sample/rust/hello-wasm/src/lib.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/wasm/sample/rust/hello-wasm/src/lib.rs b/gfx/harfbuzz/src/wasm/sample/rust/hello-wasm/src/lib.rs
new file mode 100644
index 0000000000..ab8f153684
--- /dev/null
+++ b/gfx/harfbuzz/src/wasm/sample/rust/hello-wasm/src/lib.rs
@@ -0,0 +1,24 @@
+use harfbuzz_wasm::{Font, GlyphBuffer};
+use tiny_rng::{Rand, Rng};
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub fn shape(
+ _shape_plan: u32,
+ font_ref: u32,
+ buf_ref: u32,
+ _features: u32,
+ _num_features: u32,
+) -> i32 {
+ let mut rng = Rng::from_seed(123456);
+ let font = Font::from_ref(font_ref);
+ font.shape_with(buf_ref, "ot");
+ let mut buffer = GlyphBuffer::from_ref(buf_ref);
+ for mut item in buffer.glyphs.iter_mut() {
+ // Randomize it!
+ item.x_offset = ((rng.rand_u32() as i32) >> 24) - 120;
+ item.y_offset = ((rng.rand_u32() as i32) >> 24) - 120;
+ }
+ // Buffer is written back to HB on drop
+ 1
+}