kc3-lang/harfbuzz/src/wasm/sample/rust/hello-wasm/src/lib.rs

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• Hash : 7e397d86
  Author :
  Date : 2023-02-26T13:57:34
  

  [wasm-rust] Fix shape parameters

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• src/wasm/sample/rust/hello-wasm/src/lib.rs

• 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
  }
  

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