function qcms_convert_four(transformer, src1, src2, src3, src4, css) {
    wasm.qcms_convert_four(transformer, src1, src2, src3, src4, css);
}
# Safety

This function is called directly from JavaScript.
@param {number} transformer
@param {number} src1
@param {number} src2
@param {number} src3
@param {number} src4
@param {boolean} css