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add pinch to zoom support

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This commit is contained in:
darthpaul
2022-06-25 22:42:47 +01:00
parent b44b6a9b2b
commit fe3710510d
3 changed files with 44 additions and 0 deletions
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5
app/src/main/kotlin/com/simplemobiletools/camera/implementations/CameraXPreview.kt
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@ -14,6 +14,7 @@ import android.view.GestureDetector
import android.view.GestureDetector.SimpleOnGestureListener
import android.view.MotionEvent
import android.view.OrientationEventListener
import android.view.ScaleGestureDetector
import android.view.Surface
import androidx.appcompat.app.AppCompatActivity
import androidx.camera.core.*
@ -44,6 +45,8 @@ import com.simplemobiletools.camera.extensions.config
import com.simplemobiletools.camera.extensions.toAppFlashMode
import com.simplemobiletools.camera.extensions.toCameraXFlashMode
import com.simplemobiletools.camera.helpers.MediaSoundHelper
import com.simplemobiletools.camera.helpers.PinchToZoomOnScaleGestureListener
import com.simplemobiletools.camera.helpers.ZoomCalculator
import com.simplemobiletools.camera.interfaces.MyPreview
import com.simplemobiletools.commons.extensions.showErrorToast
import com.simplemobiletools.commons.extensions.toast
@ -280,6 +283,7 @@ class CameraXPreview(
// source: https://stackoverflow.com/a/60095886/10552591
private fun setupZoomAndFocus() {
Log.i(TAG, "camera controller: ${previewView.controller}")
val scaleGesture = camera?.let { ScaleGestureDetector(activity, PinchToZoomOnScaleGestureListener(it.cameraInfo, it.cameraControl)) }
val gestureDetector = GestureDetector(activity, object : SimpleOnGestureListener() {
override fun onSingleTapConfirmed(event: MotionEvent): Boolean {
return camera?.cameraInfo?.let {
@ -306,6 +310,7 @@ class CameraXPreview(
previewView.setOnTouchListener { _, event ->
Log.i(TAG, "setOnTouchListener: x=${event.x}, y=${event.y}")
gestureDetector.onTouchEvent(event)
scaleGesture?.onTouchEvent(event)
true
}
}