This commit is contained in:
Ivan Malison 2024-11-09 19:52:05 -07:00
parent c64516693c
commit 17f675657e
4 changed files with 83 additions and 53 deletions

View File

@ -13,69 +13,36 @@ import com.facebook.react.bridge.ReadableMap
import com.facebook.react.bridge.WritableMap
import com.mrousavy.camera.core.CameraSession
import com.mrousavy.camera.core.InsufficientStorageError
import com.mrousavy.camera.utils.FileUtils
import com.mrousavy.camera.types.Flash
import com.mrousavy.camera.types.QualityPrioritization
import com.mrousavy.camera.utils.*
import java.io.File
import java.io.FileOutputStream
import java.io.IOException
import kotlinx.coroutines.*
private const val TAG = "CameraView.takePhoto"
private const val TAG = "CameraView.takeSnapshot"
@SuppressLint("UnsafeOptInUsageError")
suspend fun CameraView.takePhoto(optionsMap: ReadableMap): WritableMap {
val options = optionsMap.toHashMap()
Log.i(TAG, "Taking photo... Options: $options")
Log.i(TAG, "Taking snapshot... Options: $options")
val bitmap = previewView.getBitmap() ?: throw Error()
val qualityPrioritization = options["qualityPrioritization"] as? String ?: "balanced"
val flash = options["flash"] as? String ?: "off"
val enableAutoStabilization = options["enableAutoStabilization"] == true
val enableShutterSound = options["enableShutterSound"] as? Boolean ?: true
val enablePrecapture = options["enablePrecapture"] as? Boolean ?: false
val file = FileUtils.createTempFile(context, "png");
// TODO: Implement Red Eye Reduction
options["enableAutoRedEyeReduction"]
// Write snapshot to .jpg file
FileUtils.writeBitmapTofile(bitmap, file, 100)
val flashMode = Flash.fromUnionValue(flash)
val qualityPrioritizationMode = QualityPrioritization.fromUnionValue(qualityPrioritization)
Log.i(TAG, "Successfully saved snapshot to file!")
val photo = cameraSession.takePhoto(
qualityPrioritizationMode,
flashMode,
enableShutterSound,
enableAutoStabilization,
enablePrecapture,
orientation
)
photo.use {
Log.i(TAG, "Successfully captured ${photo.image.width} x ${photo.image.height} photo!")
val cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId!!)
val path = try {
savePhotoToFile(context, cameraCharacteristics, photo)
} catch (e: IOException) {
if (e.message?.contains("no space left", true) == true) {
throw InsufficientStorageError()
} else {
throw e
}
}
Log.i(TAG, "Successfully saved photo to file! $path")
val map = Arguments.createMap()
map.putString("path", path)
map.putInt("width", photo.image.width)
map.putInt("height", photo.image.height)
map.putString("orientation", photo.orientation.unionValue)
map.putBoolean("isRawPhoto", photo.format == ImageFormat.RAW_SENSOR)
map.putBoolean("isMirrored", photo.isMirrored)
return map
}
// Parse output data
val map = Arguments.createMap()
map.putString("path", file.absolutePath)
map.putInt("width", bitmap.width)
map.putInt("height", bitmap.height)
map.putBoolean("isMirrored", false)
return map
}
private fun writePhotoToFile(photo: CameraSession.CapturedPhoto, file: File) {

View File

@ -102,7 +102,7 @@ class CameraView(context: Context) :
// session
internal val cameraSession: CameraSession
private val previewView: PreviewView
val previewView: PreviewView
private var currentConfigureCall: Long = System.currentTimeMillis()
internal var frameProcessor: FrameProcessor? = null

View File

@ -1,11 +1,14 @@
package com.mrousavy.camera.core
import android.annotation.SuppressLint
import android.content.res.Configuration
import android.content.Context
import android.content.res.Configuration
import android.graphics.Point
import android.os.Handler
import android.os.Looper
import android.util.Log
import android.util.Size
import android.view.PixelCopy
import android.view.SurfaceHolder
import android.view.SurfaceView
import com.facebook.react.bridge.UiThreadUtil
@ -13,9 +16,20 @@ import com.mrousavy.camera.extensions.resize
import com.mrousavy.camera.extensions.rotatedBy
import com.mrousavy.camera.types.Orientation
import com.mrousavy.camera.types.ResizeMode
import kotlin.coroutines.resume
import kotlin.coroutines.resumeWithException
import kotlin.math.roundToInt
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.suspendCancellableCoroutine
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)
}
@SuppressLint("ViewConstructor")
class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
@ -81,6 +95,35 @@ 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)
// Use a coroutine to suspend until the PixelCopy request is complete
suspendCancellableCoroutine<Bitmap?> { continuation ->
PixelCopy.request(
holder.surface,
bitmap,
{ copyResult ->
if (copyResult == PixelCopy.SUCCESS) {
val rotationDegrees = inputOrientation.toDegrees().toFloat()
val rotatedBitmap = bitmap.rotateBitmap(rotationDegrees)
continuation.resume(bitmap)
} else {
continuation.resumeWithException(
RuntimeException("PixelCopy failed with error code $copyResult")
)
}
},
Handler(Looper.getMainLooper())
)
}
}
fun convertLayerPointToCameraCoordinates(point: Point, cameraDeviceDetails: CameraDeviceDetails): Point {
val sensorOrientation = cameraDeviceDetails.sensorOrientation
val cameraSize = Size(cameraDeviceDetails.activeSize.width(), cameraDeviceDetails.activeSize.height())

View File

@ -1,13 +1,33 @@
package com.mrousavy.camera.utils
import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.util.Size
import java.io.File
import java.io.FileOutputStream
class FileUtils {
companion object {
fun createTempFile(context: Context, extension: String): File =
File.createTempFile("mrousavy", extension, context.cacheDir).also {
it.deleteOnExit()
fun writeBitmapTofile(bitmap: Bitmap, file: File, quality: Int) {
FileOutputStream(file).use { stream ->
bitmap.compress(Bitmap.CompressFormat.PNG, quality, stream)
}
}
fun getImageSize(imagePath: String): Size {
val bitmapOptions = BitmapFactory.Options().also {
it.inJustDecodeBounds = true
}
BitmapFactory.decodeFile(imagePath, bitmapOptions)
val width = bitmapOptions.outWidth
val height = bitmapOptions.outHeight
return Size(width, height)
}
fun createTempFile(context: Context, extension: String): File =
File.createTempFile("mrousavy", extension, context.cacheDir).also {
it.deleteOnExit()
}
}
}