| changeset 3 | 41300fa6a67c |
| parent 0 | 1918ee327afb |
| child 4 | 3b1da2848fc7 |
| 2:56cd8111b7f7 | 3:41300fa6a67c |
|---|---|
152 x2 = p1.x(); y2 = p1.y(); |
152 x2 = p1.x(); y2 = p1.y(); |
153 x1 = p2.x(); y1 = p2.y(); |
153 x1 = p2.x(); y1 = p2.y(); |
154 } |
154 } |
155 |
155 |
156 qreal m = -(y2 - y1) / (x2 - x1); |
156 qreal m = -(y2 - y1) / (x2 - x1); |
157 _angle = atan(m) * rad_factor; |
157 _angle = qAtan(m) * rad_factor; |
158 |
158 |
159 if (p1.x() < p2.x()) |
159 if (p1.x() < p2.x()) |
160 _angle = 180 - _angle; |
160 _angle = 180 - _angle; |
161 else |
161 else |
162 _angle = -_angle; |
162 _angle = -_angle; |