How to do composite with gm node.js?
问题 How to do 'gm composite -gravity center change_image_url base_image_url' with GM Node.js? How to call gm().command() & gm().in() or gm().out() to achieve the above? 回答1: After struggling for an hour, here is my solution for your question: gm composite -gravity center change_image_url base_image_url gm() .command("composite") .in("-gravity", "center") .in(change_image_url) .in(base_image_url) .write( output_file, function (err) { if (!err) console.log(' hooray! '); else console.log(err); });