Merge pull request #7947 from utibenkei:tracking-module-java

modules/core/misc/java/src/java/core+MatOfRect2d.java

+package org.opencv.core;
+
+import java.util.Arrays;
+import java.util.List;
+
+
+public class MatOfRect2d extends Mat {
+    // 64FC4
+    private static final int _depth = CvType.CV_64F;
+    private static final int _channels = 4;
+
+    public MatOfRect2d() {
+        super();
+    }
+
+    protected MatOfRect2d(long addr) {
+        super(addr);
+        if( !empty() && checkVector(_channels, _depth) < 0 )
+            throw new IllegalArgumentException("Incompatible Mat");
+        //FIXME: do we need release() here?
+    }
+
+    public static MatOfRect2d fromNativeAddr(long addr) {
+        return new MatOfRect2d(addr);
+    }
+
+    public MatOfRect2d(Mat m) {
+        super(m, Range.all());
+        if( !empty() && checkVector(_channels, _depth) < 0 )
+            throw new IllegalArgumentException("Incompatible Mat");
+        //FIXME: do we need release() here?
+    }
+
+    public MatOfRect2d(Rect2d...a) {
+        super();
+        fromArray(a);
+    }
+
+    public void alloc(int elemNumber) {
+        if(elemNumber>0)
+            super.create(elemNumber, 1, CvType.makeType(_depth, _channels));
+    }
+
+    public void fromArray(Rect2d...a) {
+        if(a==null || a.length==0)
+            return;
+        int num = a.length;
+        alloc(num);
+        double buff[] = new double[num * _channels];
+        for(int i=0; i<num; i++) {
+            Rect2d r = a[i];
+            buff[_channels*i+0] = (double) r.x;
+            buff[_channels*i+1] = (double) r.y;
+            buff[_channels*i+2] = (double) r.width;
+            buff[_channels*i+3] = (double) r.height;
+        }
+        put(0, 0, buff); //TODO: check ret val!
+    }
+
+
+    public Rect2d[] toArray() {
+        int num = (int) total();
+        Rect2d[] a = new Rect2d[num];
+        if(num == 0)
+            return a;
+        double buff[] = new double[num * _channels];
+        get(0, 0, buff); //TODO: check ret val!
+        for(int i=0; i<num; i++)
+            a[i] = new Rect2d(buff[i*_channels], buff[i*_channels+1], buff[i*_channels+2], buff[i*_channels+3]);
+        return a;
+    }
+    public void fromList(List<Rect2d> lr) {
+        Rect2d ap[] = lr.toArray(new Rect2d[0]);
+        fromArray(ap);
+    }
+
+    public List<Rect2d> toList() {
+        Rect2d[] ar = toArray();
+        return Arrays.asList(ar);
+    }
+}

modules/core/misc/java/src/java/core+Rect2d.java

+package org.opencv.core;
+
+//javadoc:Rect2d_
+public class Rect2d {
+
+    public double x, y, width, height;
+
+    public Rect2d(double x, double y, double width, double height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+
+    public Rect2d() {
+        this(0, 0, 0, 0);
+    }
+
+    public Rect2d(Point p1, Point p2) {
+        x = (double) (p1.x < p2.x ? p1.x : p2.x);
+        y = (double) (p1.y < p2.y ? p1.y : p2.y);
+        width = (double) (p1.x > p2.x ? p1.x : p2.x) - x;
+        height = (double) (p1.y > p2.y ? p1.y : p2.y) - y;
+    }
+
+    public Rect2d(Point p, Size s) {
+        this((double) p.x, (double) p.y, (double) s.width, (double) s.height);
+    }
+
+    public Rect2d(double[] vals) {
+        set(vals);
+    }
+
+    public void set(double[] vals) {
+        if (vals != null) {
+            x = vals.length > 0 ? (double) vals[0] : 0;
+            y = vals.length > 1 ? (double) vals[1] : 0;
+            width = vals.length > 2 ? (double) vals[2] : 0;
+            height = vals.length > 3 ? (double) vals[3] : 0;
+        } else {
+            x = 0;
+            y = 0;
+            width = 0;
+            height = 0;
+        }
+    }
+
+    public Rect2d clone() {
+        return new Rect2d(x, y, width, height);
+    }
+
+    public Point tl() {
+        return new Point(x, y);
+    }
+
+    public Point br() {
+        return new Point(x + width, y + height);
+    }
+
+    public Size size() {
+        return new Size(width, height);
+    }
+
+    public double area() {
+        return width * height;
+    }
+
+    public boolean contains(Point p) {
+        return x <= p.x && p.x < x + width && y <= p.y && p.y < y + height;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        long temp;
+        temp = Double.doubleToLongBits(height);
+        result = prime * result + (int) (temp ^ (temp >>> 32));
+        temp = Double.doubleToLongBits(width);
+        result = prime * result + (int) (temp ^ (temp >>> 32));
+        temp = Double.doubleToLongBits(x);
+        result = prime * result + (int) (temp ^ (temp >>> 32));
+        temp = Double.doubleToLongBits(y);
+        result = prime * result + (int) (temp ^ (temp >>> 32));
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (!(obj instanceof Rect2d)) return false;
+        Rect2d it = (Rect2d) obj;
+        return x == it.x && y == it.y && width == it.width && height == it.height;
+    }
+
+    @Override
+    public String toString() {
+        return "{" + x + ", " + y + ", " + width + "x" + height + "}";
+    }
+}

modules/java/generator/gen_java.py

@@ -207,6 +207,7 @@ type_dict = {
     "vector_KeyPoint" : { "j_type" : "MatOfKeyPoint", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<KeyPoint> %(n)s", "suffix" : "J" },
     "vector_DMatch"   : { "j_type" : "MatOfDMatch", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<DMatch> %(n)s", "suffix" : "J" },
     "vector_Rect"     : { "j_type" : "MatOfRect",   "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<Rect> %(n)s", "suffix" : "J" },
+    "vector_Rect2d"     : { "j_type" : "MatOfRect2d",   "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<Rect2d> %(n)s", "suffix" : "J" },
     "vector_uchar"    : { "j_type" : "MatOfByte",   "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<uchar> %(n)s", "suffix" : "J" },
     "vector_char"     : { "j_type" : "MatOfByte",   "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<char> %(n)s", "suffix" : "J" },
     "vector_int"      : { "j_type" : "MatOfInt",    "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "std::vector<int> %(n)s", "suffix" : "J" },
@@ -261,6 +262,9 @@ type_dict = {
     "Rect"    : { "j_type" : "Rect",  "jn_args" : (("int", ".x"), ("int", ".y"), ("int", ".width"), ("int", ".height")),
                   "jni_var" : "Rect %(n)s(%(n)s_x, %(n)s_y, %(n)s_width, %(n)s_height)", "jni_type" : "jdoubleArray",
                   "suffix" : "IIII"},
+    "Rect2d"    : { "j_type" : "Rect2d",  "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".width"), ("double", ".height")),
+    "jni_var" : "Rect %(n)s(%(n)s_x, %(n)s_y, %(n)s_width, %(n)s_height)", "jni_type" : "jdoubleArray",
+        "suffix" : "DDDD"},
     "Size"    : { "j_type" : "Size",  "jn_args" : (("double", ".width"), ("double", ".height")),
                   "jni_var" : "Size %(n)s((int)%(n)s_width, (int)%(n)s_height)", "jni_type" : "jdoubleArray",
                   "suffix" : "DD"},
@@ -825,7 +829,7 @@ class ClassInfo(GeneralInfo):
                 j_type = type_dict[ctype]['j_type']
             elif ctype in ("Algorithm"):
                 j_type = ctype
-            if j_type in ( "CvType", "Mat", "Point", "Point3", "Range", "Rect", "RotatedRect", "Scalar", "Size", "TermCriteria", "Algorithm" ):
+            if j_type in ( "CvType", "Mat", "Point", "Point3", "Range", "Rect", "Rect2d", "RotatedRect", "Scalar", "Size", "TermCriteria", "Algorithm" ):
                 self.imports.add("org.opencv.core." + j_type)
             if j_type == 'String':
                 self.imports.add("java.lang.String")

modules/java/generator/src/cpp/converters.cpp

@@ -92,6 +92,19 @@ void vector_Rect_to_Mat(std::vector<Rect>& v_rect, Mat& mat)
     mat = Mat(v_rect, true);
 }
 
+//vector_Rect2d
+
+void Mat_to_vector_Rect2d(Mat& mat, std::vector<Rect2d>& v_rect)
+{
+    v_rect.clear();
+    CHECK_MAT(mat.type()==CV_64FC4 && mat.cols==1);
+    v_rect = (std::vector<Rect2d>) mat;
+}
+
+void vector_Rect2d_to_Mat(std::vector<Rect2d>& v_rect, Mat& mat)
+{
+    mat = Mat(v_rect, true);
+}
 
 //vector_Point
 void Mat_to_vector_Point(Mat& mat, std::vector<Point>& v_point)

modules/java/generator/src/cpp/converters.h

@@ -19,6 +19,9 @@ void vector_char_to_Mat(std::vector<char>& v_char, cv::Mat& mat);
 void Mat_to_vector_Rect(cv::Mat& mat, std::vector<cv::Rect>& v_rect);
 void vector_Rect_to_Mat(std::vector<cv::Rect>& v_rect, cv::Mat& mat);
 
+void Mat_to_vector_Rect2d(cv::Mat& mat, std::vector<cv::Rect2d>& v_rect);
+void vector_Rect2d_to_Mat(std::vector<cv::Rect2d>& v_rect, cv::Mat& mat);
+
 
 void Mat_to_vector_Point(cv::Mat& mat, std::vector<cv::Point>& v_point);
 void Mat_to_vector_Point2f(cv::Mat& mat, std::vector<cv::Point2f>& v_point);

modules/java/generator/src/java/utils+Converters.java

@@ -14,6 +14,7 @@ import org.opencv.core.MatOfPoint3f;
 import org.opencv.core.Point;
 import org.opencv.core.Point3;
 import org.opencv.core.Rect;
+import org.opencv.core.Rect2d;
 import org.opencv.core.DMatch;
 import org.opencv.core.KeyPoint;
 
@@ -435,6 +436,42 @@ public class Converters {
         }
     }
 
+    public static Mat vector_Rect2d_to_Mat(List<Rect2d> rs) {
+        Mat res;
+        int count = (rs != null) ? rs.size() : 0;
+        if (count > 0) {
+            res = new Mat(count, 1, CvType.CV_64FC4);
+            double[] buff = new double[4 * count];
+            for (int i = 0; i < count; i++) {
+                Rect2d r = rs.get(i);
+                buff[4 * i] = r.x;
+                buff[4 * i + 1] = r.y;
+                buff[4 * i + 2] = r.width;
+                buff[4 * i + 3] = r.height;
+            }
+            res.put(0, 0, buff);
+        } else {
+            res = new Mat();
+        }
+        return res;
+    }
+
+    public static void Mat_to_vector_Rect2d(Mat m, List<Rect2d> rs) {
+        if (rs == null)
+            throw new java.lang.IllegalArgumentException("rs == null");
+        int count = m.rows();
+        if (CvType.CV_64FC4 != m.type() || m.cols() != 1)
+            throw new java.lang.IllegalArgumentException(
+                                                         "CvType.CV_64FC4 != m.type() ||  m.rows()!=1\n" + m);
+
+        rs.clear();
+        double[] buff = new double[4 * count];
+        m.get(0, 0, buff);
+        for (int i = 0; i < count; i++) {
+            rs.add(new Rect2d(buff[4 * i], buff[4 * i + 1], buff[4 * i + 2], buff[4 * i + 3]));
+        }
+    }
+
     public static Mat vector_KeyPoint_to_Mat(List<KeyPoint> kps) {
         Mat res;
         int count = (kps != null) ? kps.size() : 0;