Method AddOperator

tests/gtest/avifsampletransformtest.cc:31–34

    token.inputImageItemIndex = inputImageItemIndex;
  }
  void AddOperator(avifSampleTransformTokenType op) {
    avifSampleTransformToken& token = AddToken();
    token.type = op;
  }

  int32_t Apply() const {
    ImagePtr result(avifImageCreate(/*width=*/1, /*height=*/1, /*depth=*/8,