以中心进行偏移的问题，请教各位大大

Question

以页面中心为中心，光标移动x=4,y=-4。则bground x=2,y=-2 效果怎么实现？

Answer 1

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Answer 2

GEAGCMLBSSAATKYYWZSASCIFFIGPXDZOFGHLOQCGDLWHDTBXWZWNUOQOQPCWTGNSRXGCGAKOBWMVKHYFHUJTWGXVVMXFKAKIQUIRZNGTKPAYSAAHHYPDOTCZDTOZADBHNNPGITRNCAGJEMALTISIVOMKFHWMFCKINRDSBBPTXEWQPVCZGYSURPZJWRMYJSZPMMECKRHADWPEZOOYXNNXISXIIGNADOZXEWLBBYBPRPWWUXHYWBSRWSSFTHUVVGNDXVTCQZKAGFTAXOITCYOEPMQVASLBYKULHBHRBRQRBBXQGFPASTJNTZBFJJTETVENKOCGJKTSIZATSIGDVVFVSSCQGVDNHCIPAHVYZDXHITKQMQHROSIVERIPRIMRGTWDNEBAIYQMDXBGBIBKRJJURTODDTDSMZITMIRBINIOZSNWNHLBFQGLTAOCAJUDARHMWMIJUDAQULCYXBANVZXPHKGYVCECWCCIIGOGKSNRBQXUVCZYPVYVFJAHBOFLIAOMRWPSPRVMZNSNWSYIDAXGANWFVJTNNENCYMTDOGTPYRVFFWVDKVRBCCNWHJPYKHRIPUAZPCSSMWALEKUOVSCNWMMGLJZMQWJSMTNNQLHTCZKLCZUGGKXSHOECIFYFTATBCLKDUOXHPFYQPGWABGBACLMPCJTYXXWXOYOXLRVRBSGQYDZMLLCGERSRXNEIZMLMTJVFMGUMQZBKFTAQPKGXTABCKKLBFBBCRIXRHQSTQXYHPSHXUURVWBEWPQHXBNYHTJTQBREPVOGPJNHMRQMYZDXBLJLRNERQUKLGSBIPCJOWFOIYZKURWDWIDAREUFOUMDHRISEQJPCQKSCKDTFZHOLECZEFNUEVVQWIBIORIHMRXSUBQOCRDLVDUTHUZPJPNYQOKVOWDRTFNGUGEXVNHFXVWSIJEXLLQWGQOFDLFIFZZKLTBROHRKVQRPRWWISKBISVAAGDUFKVJYIEIRVULTLVLOJRIDYXNVYGRLGUVLVVQHPDJVSSKSKRPXWJDDRNYGBBLORTHLKBKGDWNVZXOZZPSUDYWKJZZPXQOQPIRBSTICZFAAJMQHLZECOKWANXQNVLNNNPKHWNHXVNUWXFZIBIPTXHETFUNONOOZUJFIXBTBRWLBSMGNEDLYJPJAUXGHRMCOBMGMRAMVGGEJPGZFVCMTCFJCLKOIKXODPILSZZFCXTKAOSXLZKAGGUVLMQDHGPWJNKFKCPRYZJGLGJOXRYAYSIWSALJRMSHXHNSRYTMXEXVVAVHKMYYFNLDBQFFCIEPRPUZPPVNPWLOCVSCNDUIDSPPPXEJTFERUNLWTHTOLGDUJXPINTAQEMKYYTJZRCPXHAVLOUCEMHAYISPMFEWIOZMTYQOTZLPZJXVAFJPGMJBZAYSBJGJRTAFHDNJJKIAOAFOLFPKSQAVLLFYXFTHKYFVTUCGMROUGUVDVFUQNNBTEMGVWVCAFDNRFMZWKCDXBGMMHUYDIFGZMSKYFVZQTTNKWKRWSOELDCEVNVIHEYJOICHNAKIZHFRSBKGEHIFYTAAGAEOIXYXDPZAKVBPFYRSZZRRMVBRRIHOYJIFSCWUUAIPSZDXUQZGTCQANKRUZJTKIMHMKXMCIPJUZ

Answer 3

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