Function CopyToCanvas

examples/107_wasm/diffusion.cpp:32–42

using MIdx = typename M::MIdx;

void CopyToCanvas(uint32_t* ptr, int w, int h) {
  EM_ASM_(
      {
        let data = Module.HEAPU8.slice($0, $0 + $1 * $2 * 4);
        let context = Module['canvas'].getContext('2d');
        let imageData = context.getImageData(0, 0, $1, $2);
        imageData.data.set(data);
        context.putImageData(imageData, 0, 0);
      },
      ptr, w, h);
}

struct Par {};