1package org.opencv.core; 2 3//javadoc:RotatedRect_ 4public class RotatedRect { 5 6 public Point center; 7 public Size size; 8 public double angle; 9 10 public RotatedRect() { 11 this.center = new Point(); 12 this.size = new Size(); 13 this.angle = 0; 14 } 15 16 public RotatedRect(Point c, Size s, double a) { 17 this.center = c.clone(); 18 this.size = s.clone(); 19 this.angle = a; 20 } 21 22 public RotatedRect(double[] vals) { 23 this(); 24 set(vals); 25 } 26 27 public void set(double[] vals) { 28 if (vals != null) { 29 center.x = vals.length > 0 ? (double) vals[0] : 0; 30 center.y = vals.length > 1 ? (double) vals[1] : 0; 31 size.width = vals.length > 2 ? (double) vals[2] : 0; 32 size.height = vals.length > 3 ? (double) vals[3] : 0; 33 angle = vals.length > 4 ? (double) vals[4] : 0; 34 } else { 35 center.x = 0; 36 center.x = 0; 37 size.width = 0; 38 size.height = 0; 39 angle = 0; 40 } 41 } 42 43 public void points(Point pt[]) 44 { 45 double _angle = angle * Math.PI / 180.0; 46 double b = (double) Math.cos(_angle) * 0.5f; 47 double a = (double) Math.sin(_angle) * 0.5f; 48 49 pt[0] = new Point( 50 center.x - a * size.height - b * size.width, 51 center.y + b * size.height - a * size.width); 52 53 pt[1] = new Point( 54 center.x + a * size.height - b * size.width, 55 center.y - b * size.height - a * size.width); 56 57 pt[2] = new Point( 58 2 * center.x - pt[0].x, 59 2 * center.y - pt[0].y); 60 61 pt[3] = new Point( 62 2 * center.x - pt[1].x, 63 2 * center.y - pt[1].y); 64 } 65 66 public Rect boundingRect() 67 { 68 Point pt[] = new Point[4]; 69 points(pt); 70 Rect r = new Rect((int) Math.floor(Math.min(Math.min(Math.min(pt[0].x, pt[1].x), pt[2].x), pt[3].x)), 71 (int) Math.floor(Math.min(Math.min(Math.min(pt[0].y, pt[1].y), pt[2].y), pt[3].y)), 72 (int) Math.ceil(Math.max(Math.max(Math.max(pt[0].x, pt[1].x), pt[2].x), pt[3].x)), 73 (int) Math.ceil(Math.max(Math.max(Math.max(pt[0].y, pt[1].y), pt[2].y), pt[3].y))); 74 r.width -= r.x - 1; 75 r.height -= r.y - 1; 76 return r; 77 } 78 79 public RotatedRect clone() { 80 return new RotatedRect(center, size, angle); 81 } 82 83 @Override 84 public int hashCode() { 85 final int prime = 31; 86 int result = 1; 87 long temp; 88 temp = Double.doubleToLongBits(center.x); 89 result = prime * result + (int) (temp ^ (temp >>> 32)); 90 temp = Double.doubleToLongBits(center.y); 91 result = prime * result + (int) (temp ^ (temp >>> 32)); 92 temp = Double.doubleToLongBits(size.width); 93 result = prime * result + (int) (temp ^ (temp >>> 32)); 94 temp = Double.doubleToLongBits(size.height); 95 result = prime * result + (int) (temp ^ (temp >>> 32)); 96 temp = Double.doubleToLongBits(angle); 97 result = prime * result + (int) (temp ^ (temp >>> 32)); 98 return result; 99 } 100 101 @Override 102 public boolean equals(Object obj) { 103 if (this == obj) return true; 104 if (!(obj instanceof RotatedRect)) return false; 105 RotatedRect it = (RotatedRect) obj; 106 return center.equals(it.center) && size.equals(it.size) && angle == it.angle; 107 } 108 109 @Override 110 public String toString() { 111 return "{ " + center + " " + size + " * " + angle + " }"; 112 } 113} 114