Kotlin 이미지(Image) : 컬러매트릭스(ColorMatrix)
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MainActivity.kt
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class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
//setContentView(R.layout.activity_main)
setContentView(MyGraphicView(this))
}
private class MyGraphicView(context: Context) : View(context) {
override fun onDraw(canvas: Canvas) {
super.onDraw(canvas)
var picture = BitmapFactory.decodeResource(resources, R.drawable.sup)
var picX = (this.width - picture.width) / 2f
var picY = (this.height - picture.height) / 2f
var paint = Paint()
canvas.translate(5f, -500f)
canvas.drawBitmap(picture, picX, picY, paint)
var array = floatArrayOf( 2f, 0f, 0f, 0f, -25f,
0f, 2f, 0f, 0f, -25f,
0f, 0f, 2f, 0f, -25f,
0f, 0f, 0f, 1f, 0f )
var cm = ColorMatrix(array)
paint.colorFilter = ColorMatrixColorFilter(cm)
canvas.translate(5f, 1000f)
canvas.drawBitmap(picture, picX, picY, paint)
picture.recycle()
}
}
}