init

imgproc-server/src/main/java/com/zq/imgproc/utils/Deskew.java

@@ -109,14 +109,16 @@ public class Deskew {
      * 计算直线的倾斜角
      */
     private static int calculateAngle(double x1, double y1, double x2, double y2) {
-        if (Math.abs(x2 - x1) < 1e-4) {
+        double dx = x2 - x1;
+        double dy = y2 - y1;
+        if (Math.abs(dx) < 1e-4) {
             return 90;
-        } else if (Math.abs(y2 - y1) < 1e-4) {
+        } else if (Math.abs(dy) < 1e-4) {
             return 0;
         } else {
-            double k = -(y2 - y1) / (x2 - x1);
-            double res = Math.atan(k) * 57.29577;
-            return Convert.toInt(Math.round(res));
+            double radians = Math.atan2(dy, dx);
+            double degrees = Math.toDegrees(radians);
+            return Convert.toInt(Math.round(degrees));
         }
     }