Gross hack to make things sort of work

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

@@ -25,9 +25,58 @@ import kotlinx.coroutines.withContext
 import android.graphics.Bitmap
 import android.graphics.Matrix
 
-fun Bitmap.rotateBitmap(degrees: Float): Bitmap {
-    val matrix = android.graphics.Matrix().apply { postRotate(degrees) }
-    return Bitmap.createBitmap(this, 0, 0, width, height, matrix, true)
+fun rotateBitmap90CounterClockwise(source: Bitmap): Bitmap {
+    val width = source.width
+    val height = source.height
+
+    // Create a new Bitmap with swapped width and height
+    val rotatedBitmap = Bitmap.createBitmap(height, width, source.config)
+
+    for (y in 0 until height) {
+        for (x in 0 until width) {
+            // Set the pixel in the new position
+            rotatedBitmap.setPixel(y, width - 1 - x, source.getPixel(x, y))
+        }
+    }
+
+    return rotatedBitmap
+}
+
+
+fun Bitmap.transformBitmap(orientation: Orientation): Bitmap {
+    return when (orientation) {
+        Orientation.PORTRAIT -> this // No transformation needed
+        Orientation.LANDSCAPE_LEFT -> {
+            // Transpose (swap width and height)
+            val transposedBitmap = Bitmap.createBitmap(height, width, config)
+            for (y in 0 until height) {
+                for (x in 0 until width) {
+                    transposedBitmap.setPixel(y, width - 1 - x, getPixel(x, y))
+                }
+            }
+            transposedBitmap
+        }
+        Orientation.PORTRAIT_UPSIDE_DOWN -> {
+            // Invert vertically and horizontally (180-degree rotation)
+            val invertedBitmap = Bitmap.createBitmap(width, height, config)
+            for (y in 0 until height) {
+                for (x in 0 until width) {
+                    invertedBitmap.setPixel(width - 1 - x, height - 1 - y, getPixel(x, y))
+                }
+            }
+            invertedBitmap
+        }
+        Orientation.LANDSCAPE_RIGHT -> {
+            // Transpose (swap width and height) and invert vertically
+            val transposedBitmap = Bitmap.createBitmap(height, width, config)
+            for (y in 0 until height) {
+                for (x in 0 until width) {
+                    transposedBitmap.setPixel(height - 1 - y, x, getPixel(x, y))
+                }
+            }
+            transposedBitmap
+        }
+    }
 }
 
 
@@ -97,10 +146,11 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
 
   suspend fun getBitmap(): Bitmap? = withContext(Dispatchers.Main) {
     val frame = holder.getSurfaceFrame()
+
     val width = frame.width()
     val height = frame.height()
 
-    val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
+    val bitmap = Bitmap.createBitmap(height, width, Bitmap.Config.ARGB_8888)
 
     // Use a coroutine to suspend until the PixelCopy request is complete
     suspendCancellableCoroutine<Bitmap?> { continuation ->
@@ -109,9 +159,7 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
         bitmap,
         { copyResult ->
           if (copyResult == PixelCopy.SUCCESS) {
-            val rotationDegrees = inputOrientation.toDegrees().toFloat()
-            val rotatedBitmap = bitmap.rotateBitmap(rotationDegrees)
-            continuation.resume(bitmap)
+            continuation.resume(rotateBitmap90CounterClockwise(bitmap))
           } else {
             continuation.resumeWithException(
                 RuntimeException("PixelCopy failed with error code $copyResult")
@@ -120,7 +168,7 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
         },
         Handler(Looper.getMainLooper())
     )
-  }
+    }
   }
 
 

package/android/src/main/java/com/mrousavy/camera/utils/FileUtils.kt

@@ -11,7 +11,7 @@ class FileUtils {
   companion object {
     fun writeBitmapTofile(bitmap: Bitmap, file: File, quality: Int) {
       FileOutputStream(file).use { stream ->
-        bitmap.compress(Bitmap.CompressFormat.PNG, quality, stream)
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 50, stream)
       }
     }