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Circle.kt
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Circle.kt
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package woowacourse.paint.canvas.drawing
import android.graphics.Paint
import android.graphics.Path
import android.view.MotionEvent
import woowacourse.paint.canvas.Point
class Circle(paint: Paint, private val invalidate: () -> Unit) :
Drawing(Paint(paint)) {
private lateinit var startPoint: Point
override fun onTouchEvent(event: MotionEvent): Boolean {
val x = event.x
val y = event.y
when (event.action) {
MotionEvent.ACTION_DOWN -> startPoint = Point(x, y)
MotionEvent.ACTION_MOVE -> {
path.reset()
path.addOval(startPoint.x, startPoint.y, x, y, Path.Direction.CW)
invalidate()
}
else -> return true
}
return true
}
}