Files
Simple-Camera/app/src/main/kotlin/com/simplemobiletools/camera/PhotoProcessor.kt
2017-03-25 17:59:25 +01:00

114 lines
4.1 KiB
Kotlin

package com.simplemobiletools.camera
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.Matrix
import android.media.ExifInterface
import android.net.Uri
import android.os.AsyncTask
import android.os.Environment
import android.util.Log
import com.simplemobiletools.camera.Preview.Companion.config
import com.simplemobiletools.camera.activities.MainActivity
import com.simplemobiletools.camera.extensions.compensateDeviceRotation
import com.simplemobiletools.camera.extensions.getOutputMediaFile
import com.simplemobiletools.camera.extensions.getPreviewRotation
import com.simplemobiletools.commons.extensions.getFileDocument
import com.simplemobiletools.commons.extensions.needsStupidWritePermissions
import com.simplemobiletools.commons.extensions.toast
import java.io.File
import java.io.FileOutputStream
import java.io.IOException
import java.io.OutputStream
import java.lang.ref.WeakReference
class PhotoProcessor(val activity: MainActivity, val uri: Uri?, val currCameraId: Int) : AsyncTask<ByteArray, Void, String>() {
companion object {
private val TAG = PhotoProcessor::class.java.simpleName
private var mActivity: WeakReference<MainActivity>? = null
}
init {
mActivity = WeakReference(activity)
}
override fun doInBackground(vararg params: ByteArray): String {
var fos: OutputStream? = null
val path: String
try {
if (uri != null) {
path = uri.path
} else {
path = activity.getOutputMediaFile(true)
}
if (path.isEmpty()) {
return ""
}
val data = params[0]
val photoFile = File(path)
if (activity.needsStupidWritePermissions(path)) {
if (config.treeUri.isEmpty()) {
activity.runOnUiThread {
activity.toast(R.string.save_error_internal_storage)
}
config.savePhotosFolder = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).toString()
return ""
}
var document = activity.getFileDocument(path, config.treeUri)
document = document?.createFile("", path.substring(path.lastIndexOf('/') + 1))
fos = activity.contentResolver.openOutputStream(document?.uri)
} else {
fos = FileOutputStream(photoFile)
}
var image = BitmapFactory.decodeByteArray(data, 0, data.size)
val exif = ExifInterface(photoFile.toString())
val deviceRot = MainActivity.mOrientation.compensateDeviceRotation(currCameraId)
val previewRot = activity.getPreviewRotation(currCameraId)
val imageRot = when (exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED)) {
ExifInterface.ORIENTATION_ROTATE_90 -> 90
ExifInterface.ORIENTATION_ROTATE_180 -> 180
ExifInterface.ORIENTATION_ROTATE_270 -> 270
else -> 0
}
image = rotate(image, imageRot + deviceRot + previewRot)
image.compress(Bitmap.CompressFormat.JPEG, 80, fos)
fos?.close()
return photoFile.absolutePath
} catch (e: Exception) {
Log.e(TAG, "PhotoProcessor file not found: $e")
} finally {
try {
fos?.close()
} catch (e: IOException) {
Log.e(TAG, "PhotoProcessor close ioexception $e")
}
}
return ""
}
fun rotate(bitmap: Bitmap, degree: Int): Bitmap {
val width = bitmap.width
val height = bitmap.height
val matrix = Matrix()
matrix.setRotate(degree.toFloat())
return Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true)
}
override fun onPostExecute(path: String) {
super.onPostExecute(path)
mActivity?.get()?.mediaSaved(path)
}
interface MediaSavedListener {
fun mediaSaved(path: String)
}
}