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Add Java wrapper support for List<List<MatShape>>

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- Added vector_MatShape and vector_vector_MatShape to gen_dict.json
- Implemented MatShape_to_vector_MatShape, vector_MatShape_to_MatShape, MatShape_to_vector_vector_MatShape, and vector_vector_MatShape_to_MatShape conversion functions in dnn_converters.h/cpp and Converters.java
- Added testGetLayersShapes test to verify List<List<MatShape>> conversion
This commit is contained in:
utibenkei
2025-08-01 23:14:17 +09:00
parent 7a4bd85299
commit 81b66cf972
5 changed files with 175 additions and 22 deletions
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modules/java/generator/src/java/org/opencv/utils/Converters.java
+72
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@@ -7,6 +7,7 @@ import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.core.MatOfDMatch;
import org.opencv.core.MatOfInt;
import org.opencv.core.MatOfKeyPoint;
import org.opencv.core.MatOfPoint;
import org.opencv.core.MatOfPoint2f;
@@ -838,4 +839,75 @@ public class Converters {
rs.add(new RotatedRect(new Point(buff[5 * i], buff[5 * i + 1]), new Size(buff[5 * i + 2], buff[5 * i + 3]), buff[5 * i + 4]));
}
}
// vector_MatShape
public static Mat vector_MatShape_to_Mat(List<MatOfInt> matOfInts) {
Mat res;
int count = (matOfInts != null) ? matOfInts.size() : 0;
if (count > 0) {
res = new Mat(count, 1, CvType.CV_32SC2);
int[] buff = new int[count * 2];
for (int i = 0; i < count; i++) {
long addr = matOfInts.get(i).nativeObj;
buff[i * 2] = (int) (addr >> 32);
buff[i * 2 + 1] = (int) (addr & 0xffffffff);
}
res.put(0, 0, buff);
} else {
res = new Mat();
}
return res;
}
public static void Mat_to_vector_MatShape(Mat m, List<MatOfInt> matOfInts) {
if (matOfInts == null)
throw new IllegalArgumentException("matOfInts == null");
int count = m.rows();
if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
throw new IllegalArgumentException(
"CvType.CV_32SC2 != m.type() || m.cols()!=1\n" + m);
matOfInts.clear();
int[] buff = new int[count * 2];
m.get(0, 0, buff);
for (int i = 0; i < count; i++) {
long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
matOfInts.add(MatOfInt.fromNativeAddr(addr));
}
}
// vector_vector_MatShape
public static Mat vector_vector_MatShape_to_Mat(List<List<MatOfInt>> vecMatOfInts, List<Mat> mats) {
Mat res;
int lCount = (vecMatOfInts != null) ? vecMatOfInts.size() : 0;
if (lCount > 0) {
for (List<MatOfInt> matList : vecMatOfInts) {
Mat mat = vector_MatShape_to_Mat(matList);
mats.add(mat);
}
res = vector_Mat_to_Mat(mats);
} else {
res = new Mat();
}
return res;
}
public static void Mat_to_vector_vector_MatShape(Mat m, List<List<MatOfInt>> vecMatOfInts) {
if (vecMatOfInts == null)
throw new IllegalArgumentException("Output List can't be null");
if (m == null)
throw new IllegalArgumentException("Input Mat can't be null");
vecMatOfInts.clear();
List<Mat> mats = new ArrayList<Mat>(m.rows());
Mat_to_vector_Mat(m, mats);
for (Mat mi : mats) {
List<MatOfInt> rowList = new ArrayList<MatOfInt>(mi.rows());
Mat_to_vector_MatShape(mi, rowList);
vecMatOfInts.add(rowList);
mi.release();
}
mats.clear();
}
}