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Merge pull request #142 from Team-Motivoo/feat/bitmap-resize
[Feat] 비트맵 리사이징
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package sopt.motivoo.util | ||
|
|
||
| import android.graphics.Bitmap | ||
| import okhttp3.RequestBody | ||
| import okhttp3.RequestBody.Companion.toRequestBody | ||
| import java.io.ByteArrayOutputStream | ||
|
|
||
| class BitmapRequestBody(private val bitmap: Bitmap) { | ||
|
|
||
| /** | ||
| * byte size = output.toByteArray().size | ||
| */ | ||
| fun create(quality: Int = 100): RequestBody { | ||
| val output = ByteArrayOutputStream() | ||
| try { | ||
| bitmap.compress(Bitmap.CompressFormat.JPEG, quality, output) | ||
| } catch (e: Exception) { | ||
| e.message | ||
| } finally { | ||
| output.close() | ||
| } | ||
| return output.toByteArray().toRequestBody() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package sopt.motivoo.util | ||
|
|
||
| import android.content.Context | ||
| import android.graphics.Bitmap | ||
| import android.graphics.BitmapFactory | ||
| import android.graphics.ImageDecoder | ||
| import android.graphics.Matrix | ||
| import android.media.ExifInterface | ||
| import android.net.Uri | ||
| import android.os.Build | ||
| import android.provider.MediaStore | ||
|
|
||
| class BitmapUtil(private val context: Context) { | ||
| private fun loadOrientation(uri: Uri): Int { | ||
| var orientation = 0 | ||
| val stream = context.contentResolver.openInputStream(uri) ?: return 0 | ||
| try { | ||
| val exifInterface = ExifInterface(stream) | ||
| orientation = exifInterface.getAttributeInt( | ||
| ExifInterface.TAG_ORIENTATION, | ||
| ExifInterface.ORIENTATION_NORMAL | ||
| ) | ||
| } catch (e: Exception) { | ||
| e.message | ||
| } finally { | ||
| stream.close() | ||
| } | ||
| return orientation | ||
| } | ||
|
|
||
| /** | ||
| * @param bounds : if ture, assign bitmap in memory. if false, no assign bitmap in memory | ||
| * @param size : return image ratio | ||
| */ | ||
| private fun decodeUriToBitmap(uri: Uri, bounds: Boolean = false, size: Int = 1): Bitmap? { | ||
| var bitmap: Bitmap? = null | ||
| val options = BitmapFactory.Options().apply { | ||
| inJustDecodeBounds = bounds | ||
| inSampleSize = size | ||
| } | ||
|
|
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| val stream = context.contentResolver.openInputStream(uri) | ||
| try { | ||
| bitmap = BitmapFactory.decodeStream(stream, null, options) | ||
| } catch (e: Exception) { | ||
| e.message | ||
| } finally { | ||
| stream?.close() | ||
| } | ||
|
|
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| return bitmap | ||
| } | ||
|
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| private fun rotateBitmap(orientation: Int, bitmap: Bitmap?): Bitmap? = when (orientation) { | ||
| ExifInterface.ORIENTATION_ROTATE_90 -> rotateImage(bitmap, 90f) | ||
| ExifInterface.ORIENTATION_ROTATE_180 -> rotateImage(bitmap, 180f) | ||
| ExifInterface.ORIENTATION_ROTATE_270 -> rotateImage(bitmap, 270f) | ||
| else -> bitmap | ||
| } | ||
|
|
||
| private fun rotateImage(bitmap: Bitmap?, angle: Float): Bitmap? { | ||
| val matrix = Matrix().apply { postRotate(angle) } | ||
| return bitmap?.let { | ||
| Bitmap.createBitmap(bitmap, 0, 0, bitmap.width, bitmap.height, matrix, true) | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Use BitmapFactory Bitmap Resize | ||
| */ | ||
| fun createUriToBitmap(uri: Uri, bounds: Boolean = false, size: Int = 1): Bitmap? { | ||
| val orientation = loadOrientation(uri) | ||
| val bitmap = decodeUriToBitmap(uri, bounds, size) | ||
|
|
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| return rotateBitmap(orientation, bitmap) | ||
| } | ||
|
|
||
| /** | ||
| * Use ImageDecoder Bitmap Resize, easy convert uri to bitmap | ||
| */ | ||
| fun createUriToBitmap(uri: Uri): Bitmap = | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) { | ||
| val source = | ||
| ImageDecoder.createSource(context.contentResolver, uri) | ||
| ImageDecoder.decodeBitmap(source) | ||
| } else { | ||
| MediaStore.Images.Media.getBitmap( | ||
| context.contentResolver, | ||
| uri | ||
| ) | ||
| } | ||
| } |
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