railbird/react-native-vision-camera
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Account for orientation in PreviewView

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This commit is contained in:
Ivan Malison 2024-07-28 20:09:59 -06:00
parent 7c162fecb1
commit 0329e7976d
4 changed files with 22 additions and 4 deletions
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4
package/android/src/main/java/com/mrousavy/camera/CameraView.kt
View File

@ -72,6 +72,10 @@ class CameraView(context: Context) :
var zoom: Float = 1f // in "factor"
var exposure: Double = 1.0
var orientation: Orientation = Orientation.PORTRAIT
set(value) {
field = value
previewView.orientation = value
}
var enableZoomGesture = false
set(value) {
field = value

2
package/android/src/main/java/com/mrousavy/camera/CameraViewManager.kt
View File

@ -10,6 +10,7 @@ import com.mrousavy.camera.types.CodeScannerOptions
import com.mrousavy.camera.types.Orientation
import com.mrousavy.camera.types.PixelFormat
import com.mrousavy.camera.types.ResizeMode
import android.util.Log
import com.mrousavy.camera.types.Torch
import com.mrousavy.camera.types.VideoStabilizationMode
@ -182,6 +183,7 @@ class CameraViewManager : ViewGroupManager<CameraView>() {
fun setOrientation(view: CameraView, orientation: String?) {
if (orientation != null) {
val newMode = Orientation.fromUnionValue(orientation)
Log.i(TAG, "Orientation set to: $newMode")
view.orientation = newMode
} else {
view.orientation = Orientation.PORTRAIT

2
package/android/src/main/java/com/mrousavy/camera/core/CameraSession.kt
View File

@ -312,7 +312,7 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
enableHdr
)
outputs.add(output)
// Size is usually landscape, so we flip it here
previewView?.setSurfaceSize(size.width, size.height, deviceDetails.sensorOrientation)
}

18
package/android/src/main/java/com/mrousavy/camera/core/PreviewView.kt
View File

@ -36,6 +36,13 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
updateLayout()
}
}
var orientation: Orientation = Orientation.PORTRAIT
set(value) {
if (field != value) {
Log.i(TAG, "View Orientation changed: $field -> $value")
field = value
}
}
private var inputOrientation: Orientation = Orientation.LANDSCAPE_LEFT
set(value) {
if (field != value) {
@ -101,6 +108,11 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
}
private fun getSize(contentSize: Size, containerSize: Size, resizeMode: ResizeMode): Size {
var contentSize = contentSize
// Swap dimensions if orientation is landscape
if (orientation.isLandscape()) {
contentSize = Size(contentSize.height, contentSize.width)
}
val contentAspectRatio = contentSize.width.toDouble() / contentSize.height
val containerAspectRatio = containerSize.width.toDouble() / containerSize.height
if (!(contentAspectRatio > 0 && containerAspectRatio > 0)) {
@ -128,11 +140,11 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec)
val viewSize = Size(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec))
val measuredViewSize = Size(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec))
val surfaceSize = size.rotatedBy(inputOrientation)
val fittedSize = getSize(surfaceSize, viewSize, resizeMode)
val fittedSize = getSize(surfaceSize, measuredViewSize, resizeMode)
Log.i(TAG, "PreviewView is $viewSize, rendering $surfaceSize content ($inputOrientation). Resizing to: $fittedSize ($resizeMode)")
Log.i(TAG, "PreviewView is $measuredViewSize rendering $surfaceSize orientation ($orientation). Resizing to: $fittedSize ($resizeMode)")
setMeasuredDimension(fittedSize.width, fittedSize.height)
}