forked from woowacourse/android-paint
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Line.kt
33 lines (27 loc) · 908 Bytes
/
Line.kt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
package woowacourse.paint.canvas.drawing
import android.graphics.Paint
import android.view.MotionEvent
import woowacourse.paint.canvas.Point
class Line(paint: Paint, 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)
path.moveTo(startPoint.x, startPoint.y)
path.lineTo(x, y)
invalidate()
}
MotionEvent.ACTION_MOVE -> {
path.moveTo(startPoint.x, startPoint.y)
path.lineTo(x, y)
startPoint = Point(x, y)
invalidate()
}
else -> return true
}
return true
}
}