銆銆 鍋囪鍥懼儚鐨勫乏涓婅涓猴紙left, top),鍙充笅瑙掍負錛坮ight, bottom)錛屽垯鍥懼儚涓婁換鎰忕偣錛坸0, y0錛夌粫鍏朵腑蹇冿紙xcenter, ycenter)閫嗘椂閽堟棆杞琣ngle瑙掑害鍚庯紝鏂扮殑鍧愭爣浣嶇疆錛坸′, y′錛夌殑璁$畻鍏紡涓猴細
xcenter = (right 錛?left 錛?1) 錛?2 錛?left;
ycenter = (bottom 錛?top 錛?1) 錛?2 錛?top;
x′ = (x0 錛?xcenter) cosθ 錛?(y0 錛?ycenter) sinθ 錛?xcenter;
y′ = (x0 錛?xcenter) sinθ 錛?(y0 錛?ycenter) cosθ 錛?ycenter;
銆銆 涓庡浘鍍忕殑闀滃儚鍙樻崲鐩哥被浼鹼紝涔熼噰鐢ㄦ寜琛岄愮偣鍙樻崲鐨勬柟寮忓疄鐜板浘鍍忕殑鏃嬭漿
錛堟憳褰曡嚜http://v3.7880.com/Info/Article-79ea53c0.html錛?br>hhh