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mirror of https://github.com/opencv/opencv.git synced 2026-07-29 15:23:05 +04:00

At-like function for Java/Kotlin

This commit is contained in:
Giles Payne
2021-06-05 20:46:09 +09:00
parent 3e513ee6ab
commit 3b42e19505
9 changed files with 574 additions and 2 deletions
@@ -1128,6 +1128,458 @@ public class Mat {
return cols();
}
// javadoc:Mat::at(clazz, row, col)
@SuppressWarnings("unchecked")
public <T> Atable<T> at(Class<T> clazz, int row, int col) {
if (clazz == Byte.class || clazz == byte.class) {
return (Atable<T>)new AtableByte(this, row, col);
} else if (clazz == Double.class || clazz == double.class) {
return (Atable<T>)new AtableDouble(this, row, col);
} else if (clazz == Float.class || clazz == float.class) {
return (Atable<T>)new AtableFloat(this, row, col);
} else if (clazz == Integer.class || clazz == int.class) {
return (Atable<T>)new AtableInteger(this, row, col);
} else if (clazz == Short.class || clazz == short.class) {
return (Atable<T>)new AtableShort(this, row, col);
} else {
throw new RuntimeException("Unsupported class type");
}
}
// javadoc:Mat::at(clazz, idx)
@SuppressWarnings("unchecked")
public <T> Atable<T> at(Class<T> clazz, int[] idx) {
if (clazz == Byte.class || clazz == byte.class) {
return (Atable<T>)new AtableByte(this, idx);
} else if (clazz == Double.class || clazz == double.class) {
return (Atable<T>)new AtableDouble(this, idx);
} else if (clazz == Float.class || clazz == float.class) {
return (Atable<T>)new AtableFloat(this, idx);
} else if (clazz == Integer.class || clazz == int.class) {
return (Atable<T>)new AtableInteger(this, idx);
} else if (clazz == Short.class || clazz == short.class) {
return (Atable<T>)new AtableShort(this, idx);
} else {
throw new RuntimeException("Unsupported class parameter");
}
}
public static class Tuple2<T> {
public Tuple2(T _0, T _1) {
this._0 = _0;
this._1 = _1;
}
public T get_0() {
return _0;
}
public T get_1() {
return _1;
}
private final T _0;
private final T _1;
}
public static class Tuple3<T> {
public Tuple3(T _0, T _1, T _2) {
this._0 = _0;
this._1 = _1;
this._2 = _2;
}
public T get_0() {
return _0;
}
public T get_1() {
return _1;
}
public T get_2() {
return _2;
}
private final T _0;
private final T _1;
private final T _2;
}
public static class Tuple4<T> {
public Tuple4(T _0, T _1, T _2, T _3) {
this._0 = _0;
this._1 = _1;
this._2 = _2;
this._3 = _3;
}
public T get_0() {
return _0;
}
public T get_1() {
return _1;
}
public T get_2() {
return _2;
}
public T get_3() {
return _3;
}
private final T _0;
private final T _1;
private final T _2;
private final T _3;
}
public interface Atable<T> {
T getV();
void setV(T v);
Tuple2<T> getV2c();
void setV2c(Tuple2<T> v);
Tuple3<T> getV3c();
void setV3c(Tuple3<T> v);
Tuple4<T> getV4c();
void setV4c(Tuple4<T> v);
}
private static class AtableBase {
protected AtableBase(Mat mat, int row, int col) {
this.mat = mat;
indices = new int[2];
indices[0] = row;
indices[1] = col;
}
protected AtableBase(Mat mat, int[] indices) {
this.mat = mat;
this.indices = indices;
}
protected final Mat mat;
protected final int[] indices;
}
private static class AtableByte extends AtableBase implements Atable<Byte> {
public AtableByte(Mat mat, int row, int col) {
super(mat, row, col);
}
public AtableByte(Mat mat, int[] indices) {
super(mat, indices);
}
@Override
public Byte getV() {
byte[] data = new byte[1];
mat.get(indices, data);
return data[0];
}
@Override
public void setV(Byte v) {
byte[] data = new byte[] { v };
mat.put(indices, data);
}
@Override
public Tuple2<Byte> getV2c() {
byte[] data = new byte[2];
mat.get(indices, data);
return new Tuple2<Byte>(data[0], data[1]);
}
@Override
public void setV2c(Tuple2<Byte> v) {
byte[] data = new byte[] { v._0, v._1 };
mat.put(indices, data);
}
@Override
public Tuple3<Byte> getV3c() {
byte[] data = new byte[3];
mat.get(indices, data);
return new Tuple3<Byte>(data[0], data[1], data[2]);
}
@Override
public void setV3c(Tuple3<Byte> v) {
byte[] data = new byte[] { v._0, v._1, v._2 };
mat.put(indices, data);
}
@Override
public Tuple4<Byte> getV4c() {
byte[] data = new byte[4];
mat.get(indices, data);
return new Tuple4<Byte>(data[0], data[1], data[2], data[3]);
}
@Override
public void setV4c(Tuple4<Byte> v) {
byte[] data = new byte[] { v._0, v._1, v._2, v._3 };
mat.put(indices, data);
}
}
private static class AtableDouble extends AtableBase implements Atable<Double> {
public AtableDouble(Mat mat, int row, int col) {
super(mat, row, col);
}
public AtableDouble(Mat mat, int[] indices) {
super(mat, indices);
}
@Override
public Double getV() {
double[] data = new double[1];
mat.get(indices, data);
return data[0];
}
@Override
public void setV(Double v) {
double[] data = new double[] { v };
mat.put(indices, data);
}
@Override
public Tuple2<Double> getV2c() {
double[] data = new double[2];
mat.get(indices, data);
return new Tuple2<Double>(data[0], data[1]);
}
@Override
public void setV2c(Tuple2<Double> v) {
double[] data = new double[] { v._0, v._1 };
mat.put(indices, data);
}
@Override
public Tuple3<Double> getV3c() {
double[] data = new double[3];
mat.get(indices, data);
return new Tuple3<Double>(data[0], data[1], data[2]);
}
@Override
public void setV3c(Tuple3<Double> v) {
double[] data = new double[] { v._0, v._1, v._2 };
mat.put(indices, data);
}
@Override
public Tuple4<Double> getV4c() {
double[] data = new double[4];
mat.get(indices, data);
return new Tuple4<Double>(data[0], data[1], data[2], data[3]);
}
@Override
public void setV4c(Tuple4<Double> v) {
double[] data = new double[] { v._0, v._1, v._2, v._3 };
mat.put(indices, data);
}
}
private static class AtableFloat extends AtableBase implements Atable<Float> {
public AtableFloat(Mat mat, int row, int col) {
super(mat, row, col);
}
public AtableFloat(Mat mat, int[] indices) {
super(mat, indices);
}
@Override
public Float getV() {
float[] data = new float[1];
mat.get(indices, data);
return data[0];
}
@Override
public void setV(Float v) {
float[] data = new float[] { v };
mat.put(indices, data);
}
@Override
public Tuple2<Float> getV2c() {
float[] data = new float[2];
mat.get(indices, data);
return new Tuple2<Float>(data[0], data[1]);
}
@Override
public void setV2c(Tuple2<Float> v) {
float[] data = new float[] { v._0, v._1 };
mat.put(indices, data);
}
@Override
public Tuple3<Float> getV3c() {
float[] data = new float[3];
mat.get(indices, data);
return new Tuple3<Float>(data[0], data[1], data[2]);
}
@Override
public void setV3c(Tuple3<Float> v) {
float[] data = new float[] { v._0, v._1, v._2 };
mat.put(indices, data);
}
@Override
public Tuple4<Float> getV4c() {
float[] data = new float[4];
mat.get(indices, data);
return new Tuple4<Float>(data[0], data[1], data[2], data[3]);
}
@Override
public void setV4c(Tuple4<Float> v) {
double[] data = new double[] { v._0, v._1, v._2, v._3 };
mat.put(indices, data);
}
}
private static class AtableInteger extends AtableBase implements Atable<Integer> {
public AtableInteger(Mat mat, int row, int col) {
super(mat, row, col);
}
public AtableInteger(Mat mat, int[] indices) {
super(mat, indices);
}
@Override
public Integer getV() {
int[] data = new int[1];
mat.get(indices, data);
return data[0];
}
@Override
public void setV(Integer v) {
int[] data = new int[] { v };
mat.put(indices, data);
}
@Override
public Tuple2<Integer> getV2c() {
int[] data = new int[2];
mat.get(indices, data);
return new Tuple2<Integer>(data[0], data[1]);
}
@Override
public void setV2c(Tuple2<Integer> v) {
int[] data = new int[] { v._0, v._1 };
mat.put(indices, data);
}
@Override
public Tuple3<Integer> getV3c() {
int[] data = new int[3];
mat.get(indices, data);
return new Tuple3<Integer>(data[0], data[1], data[2]);
}
@Override
public void setV3c(Tuple3<Integer> v) {
int[] data = new int[] { v._0, v._1, v._2 };
mat.put(indices, data);
}
@Override
public Tuple4<Integer> getV4c() {
int[] data = new int[4];
mat.get(indices, data);
return new Tuple4<Integer>(data[0], data[1], data[2], data[3]);
}
@Override
public void setV4c(Tuple4<Integer> v) {
int[] data = new int[] { v._0, v._1, v._2, v._3 };
mat.put(indices, data);
}
}
private static class AtableShort extends AtableBase implements Atable<Short> {
public AtableShort(Mat mat, int row, int col) {
super(mat, row, col);
}
public AtableShort(Mat mat, int[] indices) {
super(mat, indices);
}
@Override
public Short getV() {
short[] data = new short[1];
mat.get(indices, data);
return data[0];
}
@Override
public void setV(Short v) {
short[] data = new short[] { v };
mat.put(indices, data);
}
@Override
public Tuple2<Short> getV2c() {
short[] data = new short[2];
mat.get(indices, data);
return new Tuple2<Short>(data[0], data[1]);
}
@Override
public void setV2c(Tuple2<Short> v) {
short[] data = new short[] { v._0, v._1 };
mat.put(indices, data);
}
@Override
public Tuple3<Short> getV3c() {
short[] data = new short[3];
mat.get(indices, data);
return new Tuple3<Short>(data[0], data[1], data[2]);
}
@Override
public void setV3c(Tuple3<Short> v) {
short[] data = new short[] { v._0, v._1, v._2 };
mat.put(indices, data);
}
@Override
public Tuple4<Short> getV4c() {
short[] data = new short[4];
mat.get(indices, data);
return new Tuple4<Short>(data[0], data[1], data[2], data[3]);
}
@Override
public void setV4c(Tuple4<Short> v) {
short[] data = new short[] { v._0, v._1, v._2, v._3 };
mat.put(indices, data);
}
}
// javadoc:Mat::getNativeObjAddr()
public long getNativeObjAddr() {
return nativeObj;
@@ -0,0 +1,99 @@
package org.opencv.core
import org.opencv.core.Mat.*
import java.lang.RuntimeException
/***
* Example use:
*
* val (b, g, r) = mat.at<UByte>(50, 50).v3c
* mat.at<UByte>(50, 50).val = T3(245u, 113u, 34u)
*
*/
@Suppress("UNCHECKED_CAST")
inline fun <reified T> Mat.at(row: Int, col: Int) : Atable<T> =
when (T::class) {
Byte::class, Double::class, Float::class, Int::class, Short::class -> this.at(
T::class.java,
row,
col
)
UByte::class -> AtableUByte(this, row, col) as Atable<T>
else -> throw RuntimeException("Unsupported class type")
}
@Suppress("UNCHECKED_CAST")
inline fun <reified T> Mat.at(idx: IntArray) : Atable<T> =
when (T::class) {
Byte::class, Double::class, Float::class, Int::class, Short::class -> this.at(
T::class.java,
idx
)
UByte::class -> AtableUByte(this, idx) as Atable<T>
else -> throw RuntimeException("Unsupported class type")
}
class AtableUByte(val mat: Mat, val indices: IntArray): Atable<UByte> {
constructor(mat: Mat, row: Int, col: Int) : this(mat, intArrayOf(row, col))
override fun getV(): UByte {
val data = ByteArray(1)
mat[indices, data]
return data[0].toUByte()
}
override fun setV(v: UByte) {
val data = byteArrayOf(v.toByte())
mat.put(indices, data)
}
override fun getV2c(): Tuple2<UByte> {
val data = ByteArray(2)
mat[indices, data]
return Tuple2(data[0].toUByte(), data[1].toUByte())
}
override fun setV2c(v: Tuple2<UByte>) {
val data = byteArrayOf(v._0.toByte(), v._1.toByte())
mat.put(indices, data)
}
override fun getV3c(): Tuple3<UByte> {
val data = ByteArray(3)
mat[indices, data]
return Tuple3(data[0].toUByte(), data[1].toUByte(), data[2].toUByte())
}
override fun setV3c(v: Tuple3<UByte>) {
val data = byteArrayOf(v._0.toByte(), v._1.toByte(), v._2.toByte())
mat.put(indices, data)
}
override fun getV4c(): Tuple4<UByte> {
val data = ByteArray(4)
mat[indices, data]
return Tuple4(data[0].toUByte(), data[1].toUByte(), data[2].toUByte(), data[3].toUByte())
}
override fun setV4c(v: Tuple4<UByte>) {
val data = byteArrayOf(v._0.toByte(), v._1.toByte(), v._2.toByte(), v._3.toByte())
mat.put(indices, data)
}
}
operator fun <T> Tuple2<T>.component1(): T = this._0
operator fun <T> Tuple2<T>.component2(): T = this._1
operator fun <T> Tuple3<T>.component1(): T = this._0
operator fun <T> Tuple3<T>.component2(): T = this._1
operator fun <T> Tuple3<T>.component3(): T = this._2
operator fun <T> Tuple4<T>.component1(): T = this._0
operator fun <T> Tuple4<T>.component2(): T = this._1
operator fun <T> Tuple4<T>.component3(): T = this._2
operator fun <T> Tuple4<T>.component4(): T = this._3
fun <T> T2(_0: T, _1: T) : Tuple2<T> = Tuple2(_0, _1)
fun <T> T3(_0: T, _1: T, _2: T) : Tuple3<T> = Tuple3(_0, _1, _2)
fun <T> T4(_0: T, _1: T, _2: T, _3: T) : Tuple4<T> = Tuple4(_0, _1, _2, _3)