riggaroo

package za.co.riggaroo.motionsense

import android.app.Activity
import android.graphics.Bitmap
import android.os.Bundle
import android.os.Handler
import android.util.Log
import android.widget.ImageView
import com.google.android.things.pio.Gpio
import com.google.android.things.pio.GpioCallback

riggaroo

class ProjectEditorFragment : Fragment {

    @Inject
    lateinit var viewModelFactory: ViewModelProvider.Factory

    private lateinit var viewModel: ProjectEditorViewModel

 
    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        val view = inflater.inflate(R.layout.fragment_editor_initial, container, false)

riggaroo

class ProjectEditorViewModel : ViewModel() {

    private val _state = MutableLiveData<EditorState>()
    val state: LiveData<EditorState>
        get() = _state

}

riggaroo

<!--- Provide a general summary of your changes in the Title above -->
<!--- If there is no changelog entry, label this PR as trivial to bypass the Danger warning -->

## Description

<!--- Describe your changes in detail -->

## Motivation and Context

<!--- Why is this change required? What problem does it solve? -->

riggaroo

canvas.save()
canvas.translate(200f, 300f)
canvas.drawCircle(...) // drawn on the translated canvas
canvas.restore()

riggaroo

val translateCheckpoint = canvas.save()
canvas.translate(200f, 300f)
canvas.drawCircle(150f, 150f, RADIUS, circlePaint) // drawn on the translated canvas
val rotateCheckpoint = canvas.save()
canvas.rotate(45f)
canvas.drawRect(rect, rectPaint) // drawn on the translated and rotated canvas
canvas.restoreToCount(rotateCheckpoint)
canvas.restoreToCount(translateCheckpoint)

riggaroo

canvas.withTranslation(200f, 300f) {
  drawCircle(150f, 150f, RADIUS, circlePaint)
    withRotation(45f) {
      drawRect(rect, rectPaint)
    }
}

riggaroo

/**
 * Wrap the specified [block] in calls to [Canvas.save]/[Canvas.translate]
 * and [Canvas.restoreToCount].
 */
inline fun Canvas.withTranslation(
    x: Float = 0.0f,
    y: Float = 0.0f,
    block: Canvas.() -> Unit
) {
    val checkpoint = save()

riggaroo

canvas.withTranslate(200f, 300f, {
    drawCircle(...)
})

riggaroo

canvas.withTranslate(200f, 300f) {
    drawCircle(...)
}