WIP
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@ -13,69 +13,36 @@ import com.facebook.react.bridge.ReadableMap
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import com.facebook.react.bridge.WritableMap
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import com.mrousavy.camera.core.CameraSession
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import com.mrousavy.camera.core.InsufficientStorageError
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import com.mrousavy.camera.utils.FileUtils
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import com.mrousavy.camera.types.Flash
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import com.mrousavy.camera.types.QualityPrioritization
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import com.mrousavy.camera.utils.*
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import java.io.File
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import java.io.FileOutputStream
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import java.io.IOException
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import kotlinx.coroutines.*
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private const val TAG = "CameraView.takePhoto"
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private const val TAG = "CameraView.takeSnapshot"
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@SuppressLint("UnsafeOptInUsageError")
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suspend fun CameraView.takePhoto(optionsMap: ReadableMap): WritableMap {
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val options = optionsMap.toHashMap()
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Log.i(TAG, "Taking photo... Options: $options")
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Log.i(TAG, "Taking snapshot... Options: $options")
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val bitmap = previewView.getBitmap() ?: throw Error()
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val qualityPrioritization = options["qualityPrioritization"] as? String ?: "balanced"
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val flash = options["flash"] as? String ?: "off"
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val enableAutoStabilization = options["enableAutoStabilization"] == true
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val enableShutterSound = options["enableShutterSound"] as? Boolean ?: true
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val enablePrecapture = options["enablePrecapture"] as? Boolean ?: false
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val file = FileUtils.createTempFile(context, "png");
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// TODO: Implement Red Eye Reduction
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options["enableAutoRedEyeReduction"]
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// Write snapshot to .jpg file
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FileUtils.writeBitmapTofile(bitmap, file, 100)
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val flashMode = Flash.fromUnionValue(flash)
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val qualityPrioritizationMode = QualityPrioritization.fromUnionValue(qualityPrioritization)
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Log.i(TAG, "Successfully saved snapshot to file!")
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val photo = cameraSession.takePhoto(
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qualityPrioritizationMode,
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flashMode,
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enableShutterSound,
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enableAutoStabilization,
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enablePrecapture,
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orientation
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)
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photo.use {
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Log.i(TAG, "Successfully captured ${photo.image.width} x ${photo.image.height} photo!")
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val cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId!!)
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val path = try {
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savePhotoToFile(context, cameraCharacteristics, photo)
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} catch (e: IOException) {
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if (e.message?.contains("no space left", true) == true) {
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throw InsufficientStorageError()
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} else {
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throw e
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}
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}
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Log.i(TAG, "Successfully saved photo to file! $path")
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val map = Arguments.createMap()
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map.putString("path", path)
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map.putInt("width", photo.image.width)
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map.putInt("height", photo.image.height)
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map.putString("orientation", photo.orientation.unionValue)
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map.putBoolean("isRawPhoto", photo.format == ImageFormat.RAW_SENSOR)
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map.putBoolean("isMirrored", photo.isMirrored)
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return map
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}
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// Parse output data
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val map = Arguments.createMap()
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map.putString("path", file.absolutePath)
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map.putInt("width", bitmap.width)
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map.putInt("height", bitmap.height)
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map.putBoolean("isMirrored", false)
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return map
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}
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private fun writePhotoToFile(photo: CameraSession.CapturedPhoto, file: File) {
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@ -102,7 +102,7 @@ class CameraView(context: Context) :
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// session
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internal val cameraSession: CameraSession
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private val previewView: PreviewView
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val previewView: PreviewView
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private var currentConfigureCall: Long = System.currentTimeMillis()
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internal var frameProcessor: FrameProcessor? = null
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@ -1,11 +1,14 @@
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package com.mrousavy.camera.core
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import android.annotation.SuppressLint
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import android.content.res.Configuration
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import android.content.Context
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import android.content.res.Configuration
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import android.graphics.Point
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import android.os.Handler
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import android.os.Looper
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import android.util.Log
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import android.util.Size
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import android.view.PixelCopy
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import android.view.SurfaceHolder
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import android.view.SurfaceView
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import com.facebook.react.bridge.UiThreadUtil
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@ -13,9 +16,20 @@ import com.mrousavy.camera.extensions.resize
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import com.mrousavy.camera.extensions.rotatedBy
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import com.mrousavy.camera.types.Orientation
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import com.mrousavy.camera.types.ResizeMode
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import kotlin.coroutines.resume
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import kotlin.coroutines.resumeWithException
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import kotlin.math.roundToInt
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.suspendCancellableCoroutine
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import kotlinx.coroutines.withContext
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import android.graphics.Bitmap
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import android.graphics.Matrix
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fun Bitmap.rotateBitmap(degrees: Float): Bitmap {
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val matrix = android.graphics.Matrix().apply { postRotate(degrees) }
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return Bitmap.createBitmap(this, 0, 0, width, height, matrix, true)
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}
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@SuppressLint("ViewConstructor")
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class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
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@ -81,6 +95,35 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
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}
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}
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suspend fun getBitmap(): Bitmap? = withContext(Dispatchers.Main) {
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val frame = holder.getSurfaceFrame()
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val width = frame.width()
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val height = frame.height()
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val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
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// Use a coroutine to suspend until the PixelCopy request is complete
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suspendCancellableCoroutine<Bitmap?> { continuation ->
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PixelCopy.request(
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holder.surface,
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bitmap,
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{ copyResult ->
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if (copyResult == PixelCopy.SUCCESS) {
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val rotationDegrees = inputOrientation.toDegrees().toFloat()
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val rotatedBitmap = bitmap.rotateBitmap(rotationDegrees)
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continuation.resume(bitmap)
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} else {
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continuation.resumeWithException(
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RuntimeException("PixelCopy failed with error code $copyResult")
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)
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}
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},
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Handler(Looper.getMainLooper())
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)
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}
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}
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fun convertLayerPointToCameraCoordinates(point: Point, cameraDeviceDetails: CameraDeviceDetails): Point {
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val sensorOrientation = cameraDeviceDetails.sensorOrientation
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val cameraSize = Size(cameraDeviceDetails.activeSize.width(), cameraDeviceDetails.activeSize.height())
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@ -1,13 +1,33 @@
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package com.mrousavy.camera.utils
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import android.content.Context
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import android.graphics.Bitmap
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import android.graphics.BitmapFactory
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import android.util.Size
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import java.io.File
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import java.io.FileOutputStream
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class FileUtils {
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companion object {
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fun createTempFile(context: Context, extension: String): File =
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File.createTempFile("mrousavy", extension, context.cacheDir).also {
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it.deleteOnExit()
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fun writeBitmapTofile(bitmap: Bitmap, file: File, quality: Int) {
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FileOutputStream(file).use { stream ->
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bitmap.compress(Bitmap.CompressFormat.PNG, quality, stream)
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}
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}
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fun getImageSize(imagePath: String): Size {
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val bitmapOptions = BitmapFactory.Options().also {
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it.inJustDecodeBounds = true
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}
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BitmapFactory.decodeFile(imagePath, bitmapOptions)
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val width = bitmapOptions.outWidth
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val height = bitmapOptions.outHeight
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return Size(width, height)
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}
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fun createTempFile(context: Context, extension: String): File =
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File.createTempFile("mrousavy", extension, context.cacheDir).also {
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it.deleteOnExit()
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}
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}
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}
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