From d46aeaec4f29a853753e12aeb8fbbc60a2e46ebd Mon Sep 17 00:00:00 2001
From: Ivan Malison <IvanMalison@gmail.com>
Date: Sun, 28 Jul 2024 20:09:59 -0600
Subject: [PATCH] Gross way of getting android preview view to respect
 orientation

---
 .../src/main/java/com/mrousavy/camera/CameraView.kt    |  7 +++++++
 .../main/java/com/mrousavy/camera/CameraViewManager.kt |  2 ++
 .../java/com/mrousavy/camera/core/CameraSession.kt     |  5 +++--
 .../main/java/com/mrousavy/camera/core/PreviewView.kt  | 10 +++++++++-
 4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/package/android/src/main/java/com/mrousavy/camera/CameraView.kt b/package/android/src/main/java/com/mrousavy/camera/CameraView.kt
index 5849573..b9b1657 100644
--- a/package/android/src/main/java/com/mrousavy/camera/CameraView.kt
+++ b/package/android/src/main/java/com/mrousavy/camera/CameraView.kt
@@ -72,6 +72,13 @@ 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.config?.let {
+          it.orientation = value
+        }
+        previewView.requestLayout()
+      }
   var enableZoomGesture = false
     set(value) {
       field = value
diff --git a/package/android/src/main/java/com/mrousavy/camera/CameraViewManager.kt b/package/android/src/main/java/com/mrousavy/camera/CameraViewManager.kt
index 2c9f579..d27a27a 100644
--- a/package/android/src/main/java/com/mrousavy/camera/CameraViewManager.kt
+++ b/package/android/src/main/java/com/mrousavy/camera/CameraViewManager.kt
@@ -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
diff --git a/package/android/src/main/java/com/mrousavy/camera/core/CameraSession.kt b/package/android/src/main/java/com/mrousavy/camera/core/CameraSession.kt
index 501cab3..33a88c3 100644
--- a/package/android/src/main/java/com/mrousavy/camera/core/CameraSession.kt
+++ b/package/android/src/main/java/com/mrousavy/camera/core/CameraSession.kt
@@ -191,7 +191,7 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
           Log.i(TAG, "PreviewView Surface destroyed! ${holder.surface}")
           destroyPreviewOutputSync()
         }
-      }
+      }, configuration
     )
     this.previewView = previewView
     return previewView
@@ -312,8 +312,9 @@ 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)
+      previewView?.config = configuration
     }
 
     // CodeScanner Output
diff --git a/package/android/src/main/java/com/mrousavy/camera/core/PreviewView.kt b/package/android/src/main/java/com/mrousavy/camera/core/PreviewView.kt
index 0727a1f..691c361 100644
--- a/package/android/src/main/java/com/mrousavy/camera/core/PreviewView.kt
+++ b/package/android/src/main/java/com/mrousavy/camera/core/PreviewView.kt
@@ -17,7 +17,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
 @SuppressLint("ViewConstructor")
-class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
+class PreviewView(context: Context, callback: SurfaceHolder.Callback, var config: CameraConfiguration?) :
   SurfaceView(context),
   SurfaceHolder.Callback {
   var size: Size = CameraDeviceDetails.getMaximumPreviewSize()
@@ -101,8 +101,16 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
   }
 
   private fun getSize(contentSize: Size, containerSize: Size, resizeMode: ResizeMode): Size {
+    var contentSize = contentSize
+    val orientation = config?.orientation
+
+    // Swap dimensions if orientation is landscape
+    if (orientation?.isLandscape() == true) {
+      contentSize = Size(contentSize.height, contentSize.width)
+    }
     val contentAspectRatio = contentSize.width.toDouble() / contentSize.height
     val containerAspectRatio = containerSize.width.toDouble() / containerSize.height
+    Log.i(TAG, "Getting size: $contentSize -> $containerSize, orientation: $orientation")
     if (!(contentAspectRatio > 0 && containerAspectRatio > 0)) {
       // One of the aspect ratios is 0 or NaN, maybe the view hasn't been laid out yet.
       return contentSize