IT 이야기/2022_Android 이것저것
Image Resize
연신내막차
2022. 6. 22. 15:23
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private fun resizeBitMap(uri: Uri, resize: Int): Bitmap? {
var resizeBitmap: Bitmap? = null
val ratioTemp = 2
val options = BitmapFactory.Options()
try {
BitmapFactory.decodeStream(
applicationContext.contentResolver.openInputStream(uri),
null,
options
)
var width = options.outWidth
var height = options.outHeight
var sampleSize = 1
while (true) {
if (width / ratioTemp < resize || height / ratioTemp < resize) break
width /= ratioTemp
height /= ratioTemp
sampleSize *= ratioTemp
}
options.inSampleSize = sampleSize
val bitmap = BitmapFactory.decodeStream(
applicationContext.contentResolver.openInputStream(uri),
null,
options
)
resizeBitmap = bitmap
} catch (e: FileNotFoundException) {
e.printStackTrace()
}
return resizeBitmap
}
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