Update ViewPagerActivity.kt

- Removed  `mRotationDegrees != 0f` check, because save buttton wouldn't have shown anyway
- Check if output file is written
- Added helpers functions (with `.toString()` instead of using `""+`)
This commit is contained in:
Guillaume 2017-11-01 14:51:11 +01:00 committed by GitHub
parent 25bd77bd12
commit fdc1063838
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23

View file

@ -515,26 +515,29 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
inputStream?.close()
outputStream?.close()
}
if (mRotationDegrees != 0f) {
if (out.exists()) {
val exif = ExifInterface(out.absolutePath)
var orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL)
var orientationDegrees = when (orientation) {
8 -> 270f
3 -> 180f
6 -> 90f
else -> 0f
}
orientationDegrees = (orientationDegrees + mRotationDegrees) % 360
orientation = when (orientationDegrees) {
90f -> 6
180f -> 3
270f -> 8
else -> 1
}
exif.setAttribute(ExifInterface.TAG_ORIENTATION, ""+ orientation)
var orientationDegrees = (degreesForRotation(orientation) + mRotationDegrees) % 360
exif.setAttribute(ExifInterface.TAG_ORIENTATION, rotationFromDegrees(orientationDegrees))
exif.saveAttributes()
}
}
private fun degreesForRotation(orientation: Int) = when (orientation) {
ExifInterface.ORIENTATION_ROTATE_270 -> 270f
ExifInterface.ORIENTATION_ROTATE_180 -> 180f
ExifInterface.ORIENTATION_ROTATE_90 -> 90f
else -> 0f
}
private fun rotationFromDegrees(degrees: Float) = when (degrees) {
90f -> ExifInterface.ORIENTATION_ROTATE_90
180f -> ExifInterface.ORIENTATION_ROTATE_180
270f -> ExifInterface.ORIENTATION_ROTATE_270
else -> ExifInterface.ORIENTATION_NORMAL
}.toString()
private fun isShowHiddenFlagNeeded(): Boolean {
val file = File(mPath)
if (file.isHidden)