mirror of
https://github.com/SimpleMobileTools/Simple-Camera.git
synced 2025-02-16 11:20:55 +01:00
update focus and unbind useCase
- update to use the DisplayOrientedMeteringPointFactory - add Auto Focus (AF) and Auto Exposure (AE) metering points - unbind VideoCaptureUseCase when in photo mode - unbind ImageCaptureUseCase when not in photo mode
This commit is contained in:
darthpaul
parent
e15078499b
commit
b44b6a9b2b
@ -2,11 +2,14 @@ package com.simplemobiletools.camera.implementations
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import android.annotation.SuppressLint
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import android.content.ContentValues
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import android.content.Context
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import android.hardware.SensorManager
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import android.hardware.display.DisplayManager
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import android.net.Uri
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import android.os.Environment
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import android.provider.MediaStore
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import android.util.Log
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import android.view.Display
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import android.view.GestureDetector
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import android.view.GestureDetector.SimpleOnGestureListener
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import android.view.MotionEvent
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@ -44,7 +47,6 @@ import com.simplemobiletools.camera.helpers.MediaSoundHelper
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import com.simplemobiletools.camera.interfaces.MyPreview
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import com.simplemobiletools.commons.extensions.showErrorToast
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import com.simplemobiletools.commons.extensions.toast
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import java.lang.IllegalArgumentException
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import java.text.SimpleDateFormat
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import java.util.Date
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import java.util.Locale
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@ -54,7 +56,7 @@ import kotlin.math.min
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class CameraXPreview(
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private val activity: AppCompatActivity,
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private val viewFinder: PreviewView,
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private val previewView: PreviewView,
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private val listener: CameraXPreviewListener,
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) : MyPreview, DefaultLifecycleObserver {
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@ -62,13 +64,19 @@ class CameraXPreview(
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private const val TAG = "CameraXPreview"
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private const val RATIO_4_3_VALUE = 4.0 / 3.0
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private const val RATIO_16_9_VALUE = 16.0 / 9.0
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// Auto focus is 1/6 of the area.
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private const val AF_SIZE = 1.0f / 6.0f
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private const val AE_SIZE = AF_SIZE * 1.5f
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}
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private val config = activity.config
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private val contentResolver = activity.contentResolver
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private val mainExecutor = activity.mainExecutor
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private val displayManager = activity.getSystemService(Context.DISPLAY_SERVICE) as DisplayManager
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private val mediaSoundHelper = MediaSoundHelper()
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private val windowMetricsCalculator = WindowMetricsCalculator.getOrCreate()
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private val orientationEventListener = object : OrientationEventListener(activity, SensorManager.SENSOR_DELAY_NORMAL) {
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@SuppressLint("RestrictedApi")
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override fun onOrientationChanged(orientation: Int) {
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@ -115,7 +123,7 @@ class CameraXPreview(
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init {
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bindToLifeCycle()
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mediaSoundHelper.loadSounds()
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viewFinder.doOnLayout {
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previewView.doOnLayout {
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startCamera()
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}
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}
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@ -143,7 +151,7 @@ class CameraXPreview(
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val cameraProvider = cameraProvider ?: throw IllegalStateException("Camera initialization failed.")
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val metrics = windowMetricsCalculator.computeCurrentWindowMetrics(activity).bounds
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val aspectRatio = aspectRatio(metrics.width(), metrics.height())
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val rotation = viewFinder.display.rotation
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val rotation = previewView.display.rotation
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preview = buildPreview(aspectRatio, rotation)
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val captureUseCase = getCaptureUseCase(aspectRatio, rotation)
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@ -154,8 +162,8 @@ class CameraXPreview(
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preview,
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captureUseCase,
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)
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preview?.setSurfaceProvider(viewFinder.surfaceProvider)
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setupFocus()
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preview?.setSurfaceProvider(previewView.surfaceProvider)
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setupZoomAndFocus()
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}
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private fun setupCameraObservers() {
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@ -223,10 +231,12 @@ class CameraXPreview(
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private fun getCaptureUseCase(aspectRatio: Int, rotation: Int): UseCase {
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return if (isPhotoCapture) {
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cameraProvider?.unbind(videoCapture)
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buildImageCapture(aspectRatio, rotation).also {
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imageCapture = it
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}
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} else {
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cameraProvider?.unbind(imageCapture)
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buildVideoCapture().also {
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videoCapture = it
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}
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@ -252,6 +262,7 @@ class CameraXPreview(
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private fun buildVideoCapture(): VideoCapture<Recorder> {
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val recorder = Recorder.Builder()
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//TODO: user control for quality
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.setQualitySelector(QualitySelector.from(Quality.FHD))
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.build()
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return VideoCapture.withOutput(recorder)
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@ -267,30 +278,32 @@ class CameraXPreview(
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@SuppressLint("ClickableViewAccessibility")
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// source: https://stackoverflow.com/a/60095886/10552591
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private fun setupFocus() {
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private fun setupZoomAndFocus() {
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Log.i(TAG, "camera controller: ${previewView.controller}")
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val gestureDetector = GestureDetector(activity, object : SimpleOnGestureListener() {
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override fun onSingleTapConfirmed(event: MotionEvent?): Boolean {
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Log.i(TAG, "onSingleTapConfirmed: x=${event?.x}, y=${event?.y}")
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return event?.let {
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val factory: MeteringPointFactory = SurfaceOrientedMeteringPointFactory(viewFinder.width.toFloat(), viewFinder.height.toFloat())
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override fun onSingleTapConfirmed(event: MotionEvent): Boolean {
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return camera?.cameraInfo?.let {
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val display = displayManager.getDisplay(Display.DEFAULT_DISPLAY)
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val width = previewView.width.toFloat()
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val height = previewView.height.toFloat()
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Log.i(TAG, "onSingleTapConfirmed: width=$width,height=$height")
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val factory = DisplayOrientedMeteringPointFactory(display, it, width, height)
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val xPos = event.x
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val yPos = event.y
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val autoFocusPoint = factory.createPoint(event.x, event.y)
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try {
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val focusMeteringAction = FocusMeteringAction.Builder(autoFocusPoint, FocusMeteringAction.FLAG_AF)
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.disableAutoCancel()
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.build()
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camera?.cameraControl?.startFocusAndMetering(focusMeteringAction)
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listener.onFocusCamera(xPos, yPos)
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Log.i(TAG, "start focus")
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} catch (e: CameraInfoUnavailableException) {
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Log.e(TAG, "cannot access camera", e)
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}
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val autoFocusPoint = factory.createPoint(xPos, yPos, AF_SIZE)
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val autoExposurePoint = factory.createPoint(xPos, yPos, AE_SIZE)
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val focusMeteringAction = FocusMeteringAction.Builder(autoFocusPoint, FocusMeteringAction.FLAG_AF)
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.addPoint(autoExposurePoint, FocusMeteringAction.FLAG_AE)
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.disableAutoCancel()
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.build()
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camera?.cameraControl?.startFocusAndMetering(focusMeteringAction)
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listener.onFocusCamera(xPos, yPos)
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Log.i(TAG, "start focus")
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true
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} ?: false
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}
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})
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viewFinder.setOnTouchListener { _, event ->
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previewView.setOnTouchListener { _, event ->
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Log.i(TAG, "setOnTouchListener: x=${event.x}, y=${event.y}")
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gestureDetector.onTouchEvent(event)
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true
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