convert MyPath to kotlin

app/src/main/kotlin/com/simplemobiletools/draw/MyPath.kt

@@ -0,0 +1,83 @@
+package com.simplemobiletools.draw
+
+import android.graphics.Path
+import com.simplemobiletools.draw.actions.Action
+import com.simplemobiletools.draw.actions.Line
+import com.simplemobiletools.draw.actions.Move
+import com.simplemobiletools.draw.actions.Quad
+import java.io.IOException
+import java.io.ObjectInputStream
+import java.io.Serializable
+import java.security.InvalidParameterException
+import java.util.*
+
+// https://stackoverflow.com/a/8127953
+internal class MyPath : Path(), Serializable {
+
+    private val actions = LinkedList<Action>()
+
+    @Throws(IOException::class, ClassNotFoundException::class)
+    private fun readObject(inputStream: ObjectInputStream) {
+        inputStream.defaultReadObject()
+
+        for (action in actions) {
+            action.perform(this)
+        }
+    }
+
+    @Throws(InvalidParameterException::class)
+    fun readObject(pathData: String) {
+        val tokens = pathData.split("\\s+".toRegex()).dropLastWhile(String::isEmpty).toTypedArray()
+        var i = 0
+        while (i < tokens.size) {
+            when (tokens[i][0]) {
+                'M' -> addAction(Move(tokens[i]))
+                'L' -> addAction(Line(tokens[i]))
+                'Q' -> {
+                    // Quad actions are of the following form:
+                    // "Qx1,y1 x2,y2"
+                    // Since we split the tokens by whitespace, we need to join them again
+                    if (i + 1 >= tokens.size)
+                        throw InvalidParameterException("Error parsing the data for a Quad.")
+
+                    addAction(Quad(tokens[i] + " " + tokens[i + 1]))
+                    ++i
+                }
+            }
+            ++i
+        }
+    }
+
+    override fun reset() {
+        actions.clear()
+        super.reset()
+    }
+
+    private fun addAction(action: Action) {
+        if (action is Move) {
+            moveTo(action.x, action.y)
+        } else if (action is Line) {
+            lineTo(action.x, action.y)
+        } else if (action is Quad) {
+            val q = action
+            quadTo(q.x1, q.y1, q.x2, q.y2)
+        }
+    }
+
+    override fun moveTo(x: Float, y: Float) {
+        actions.add(Move(x, y))
+        super.moveTo(x, y)
+    }
+
+    override fun lineTo(x: Float, y: Float) {
+        actions.add(Line(x, y))
+        super.lineTo(x, y)
+    }
+
+    override fun quadTo(x1: Float, y1: Float, x2: Float, y2: Float) {
+        actions.add(Quad(x1, y1, x2, y2))
+        super.quadTo(x1, y1, x2, y2)
+    }
+
+    fun getActions() = actions
+}