railbird/react-native-vision-camera
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fix: Fix savePhotoToFile() sometimes writing empty files (#1746)

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Vojtech Novak 2023-09-01 19:41:42 +02:00 committed by GitHub
parent cebb7b3e89
commit fc0e2bf34b
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2 changed files with 14 additions and 10 deletions
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1
package/android/.editorconfig
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@ -1,5 +1,6 @@
[*.{kt,kts}] [*.{kt,kts}]
indent_size=2 indent_size=2
indent_style=space
insert_final_newline=true insert_final_newline=true
max_line_length=off max_line_length=off
disabled_rules=no-wildcard-imports disabled_rules=no-wildcard-imports

21
package/android/src/main/java/com/mrousavy/camera/CameraView+TakePhoto.kt
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@ -64,15 +64,22 @@ suspend fun CameraView.takePhoto(optionsMap: ReadableMap): WritableMap {
} }
} }
private fun writeImageToStream(imageBytes: ByteArray, stream: OutputStream, isMirrored: Boolean) { private fun writePhotoToFile(photo: CameraSession.CapturedPhoto, file: File) {
if (isMirrored) { val byteBuffer = photo.image.planes[0].buffer
if (photo.isMirrored) {
val imageBytes = ByteArray(byteBuffer.remaining()).apply { byteBuffer.get(this) }
val bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size) val bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size)
val matrix = Matrix() val matrix = Matrix()
matrix.preScale(-1f, 1f) matrix.preScale(-1f, 1f)
val processedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.width, bitmap.height, matrix, false) val processedBitmap =
Bitmap.createBitmap(bitmap, 0, 0, bitmap.width, bitmap.height, matrix, false)
FileOutputStream(file).use { stream ->
processedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream) processedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream)
}
} else { } else {
stream.write(imageBytes) val channel = FileOutputStream(file).channel
channel.write(byteBuffer)
channel.close()
} }
} }
@ -83,12 +90,8 @@ private suspend fun savePhotoToFile(context: Context,
when (photo.format) { when (photo.format) {
// When the format is JPEG or DEPTH JPEG we can simply save the bytes as-is // When the format is JPEG or DEPTH JPEG we can simply save the bytes as-is
ImageFormat.JPEG, ImageFormat.DEPTH_JPEG -> { ImageFormat.JPEG, ImageFormat.DEPTH_JPEG -> {
val buffer = photo.image.planes[0].buffer
val bytes = ByteArray(buffer.remaining()).apply { buffer.get(this) }
val file = createFile(context, ".jpg") val file = createFile(context, ".jpg")
FileOutputStream(file).use { stream -> writePhotoToFile(photo, file)
writeImageToStream(bytes, stream, photo.isMirrored)
}
return@withContext file.absolutePath return@withContext file.absolutePath
} }