copy_pixels_4()

in src/myjs.js [57:73]

• 17 lines of code
• 2 McCabe index (conditional complexity)

  copy_pixels_4(compR_ptr, compG_ptr, compB_ptr, compA_ptr, nb_pixels) {
    compR_ptr >>= 2;
    compG_ptr >>= 2;
    compB_ptr >>= 2;
    compA_ptr >>= 2;
    const imageData = (Module.imageData = new Uint8ClampedArray(nb_pixels * 4));
    const compR = HEAP32.subarray(compR_ptr, compR_ptr + nb_pixels);
    const compG = HEAP32.subarray(compG_ptr, compG_ptr + nb_pixels);
    const compB = HEAP32.subarray(compB_ptr, compB_ptr + nb_pixels);
    const compA = HEAP32.subarray(compA_ptr, compA_ptr + nb_pixels);
    for (let i = 0; i < nb_pixels; i++) {
      imageData[4 * i] = compR[i];
      imageData[4 * i + 1] = compG[i];
      imageData[4 * i + 2] = compB[i];
      imageData[4 * i + 3] = compA[i];
    }
  },