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core/data/src/main/java/ru/tech/imageresizershrinker/core/data/image/AndroidImageGetter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| package ru.tech.imageresizershrinker.core.data.image | ||
|
|
||
| import android.content.ContentResolver | ||
| import android.content.Context | ||
| import android.graphics.Bitmap | ||
| import android.graphics.Canvas | ||
| import android.graphics.drawable.BitmapDrawable | ||
| import android.graphics.drawable.Drawable | ||
| import android.os.Build | ||
| import android.webkit.MimeTypeMap | ||
| import androidx.core.net.toUri | ||
| import androidx.exifinterface.media.ExifInterface | ||
| import coil.ImageLoader | ||
| import coil.request.ImageRequest | ||
| import coil.size.Size | ||
| import dagger.hilt.android.qualifiers.ApplicationContext | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.withContext | ||
| import ru.tech.imageresizershrinker.core.domain.image.ImageGetter | ||
| import ru.tech.imageresizershrinker.core.domain.image.Transformation | ||
| import ru.tech.imageresizershrinker.core.domain.model.ImageData | ||
| import ru.tech.imageresizershrinker.core.domain.model.ImageFormat | ||
| import ru.tech.imageresizershrinker.core.domain.model.ImageInfo | ||
| import java.util.Locale | ||
| import javax.inject.Inject | ||
|
|
||
| class AndroidImageGetter @Inject constructor( | ||
| private val imageLoader: ImageLoader, | ||
| @ApplicationContext private val context: Context | ||
| ) : ImageGetter<Bitmap, ExifInterface> { | ||
|
|
||
| override suspend fun getImage( | ||
| uri: String, | ||
| originalSize: Boolean | ||
| ): ImageData<Bitmap, ExifInterface>? = withContext(Dispatchers.IO) { | ||
| return@withContext kotlin.runCatching { | ||
| imageLoader.execute( | ||
| ImageRequest | ||
| .Builder(context) | ||
| .data(uri) | ||
| .apply { | ||
| if (originalSize) size(Size.ORIGINAL) | ||
| } | ||
| .build() | ||
| ).drawable?.toBitmap() | ||
| }.getOrNull()?.let { bitmap -> | ||
| val fd = context.contentResolver.openFileDescriptor(uri.toUri(), "r") | ||
| val exif = fd?.fileDescriptor?.let { ExifInterface(it) } | ||
| fd?.close() | ||
| ImageData( | ||
| image = bitmap, | ||
| imageInfo = ImageInfo( | ||
| width = bitmap.width, | ||
| height = bitmap.height, | ||
| imageFormat = ImageFormat[getExtension(uri)] | ||
| ), | ||
| metadata = exif | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| override suspend fun getImage(data: Any, originalSize: Boolean): Bitmap? { | ||
| return runCatching { | ||
| imageLoader.execute( | ||
| ImageRequest | ||
| .Builder(context) | ||
| .data(data) | ||
| .apply { | ||
| if (originalSize) size(Size.ORIGINAL) | ||
| } | ||
| .build() | ||
| ).drawable?.toBitmap() | ||
| }.getOrNull() | ||
| } | ||
|
|
||
| override suspend fun getImageWithTransformations( | ||
| uri: String, | ||
| transformations: List<Transformation<Bitmap>>, | ||
| originalSize: Boolean | ||
| ): ImageData<Bitmap, ExifInterface>? = withContext(Dispatchers.IO) { | ||
| val request = ImageRequest | ||
| .Builder(context) | ||
| .data(uri) | ||
| .transformations( | ||
| transformations.map(::toCoil) | ||
| ) | ||
| .apply { | ||
| if (originalSize) size(Size.ORIGINAL) | ||
| } | ||
| .build() | ||
| return@withContext runCatching { | ||
| imageLoader.execute(request).drawable?.toBitmap()?.let { bitmap -> | ||
| val fd = context.contentResolver.openFileDescriptor(uri.toUri(), "r") | ||
| val exif = fd?.fileDescriptor?.let { ExifInterface(it) } | ||
| fd?.close() | ||
| ImageData( | ||
| image = bitmap, | ||
| imageInfo = ImageInfo( | ||
| width = bitmap.width, | ||
| height = bitmap.height, | ||
| imageFormat = ImageFormat[getExtension(uri)] | ||
| ), | ||
| metadata = exif | ||
| ) | ||
| } | ||
| }.getOrNull() | ||
| } | ||
|
|
||
| override fun getImageAsync( | ||
| uri: String, | ||
| originalSize: Boolean, | ||
| onGetImage: (ImageData<Bitmap, ExifInterface>) -> Unit, | ||
| onError: (Throwable) -> Unit | ||
| ) { | ||
| val bmp = kotlin.runCatching { | ||
| imageLoader.enqueue( | ||
| ImageRequest | ||
| .Builder(context) | ||
| .data(uri) | ||
| .apply { | ||
| if (originalSize) size(Size.ORIGINAL) | ||
| } | ||
| .target { drawable -> | ||
| drawable.toBitmap().let { bitmap -> | ||
| val fd = context.contentResolver.openFileDescriptor(uri.toUri(), "r") | ||
| val exif = fd?.fileDescriptor?.let { ExifInterface(it) } | ||
| fd?.close() | ||
| ImageData( | ||
| image = bitmap, | ||
| imageInfo = ImageInfo( | ||
| width = bitmap.width, | ||
| height = bitmap.height, | ||
| imageFormat = ImageFormat[getExtension(uri)] | ||
| ), | ||
| metadata = exif | ||
| ) | ||
| }.let(onGetImage) | ||
| }.build() | ||
| ) | ||
| } | ||
| bmp.exceptionOrNull()?.let(onError) | ||
| } | ||
|
|
||
| override fun getExtension(uri: String): String? { | ||
| if (uri.endsWith(".jxl")) return "jxl" | ||
| return if (ContentResolver.SCHEME_CONTENT == uri.toUri().scheme) { | ||
| MimeTypeMap.getSingleton() | ||
| .getExtensionFromMimeType( | ||
| context.contentResolver.getType(uri.toUri()) | ||
| ) | ||
| } else { | ||
| MimeTypeMap.getFileExtensionFromUrl(uri).lowercase(Locale.getDefault()) | ||
| } | ||
| } | ||
|
|
||
| private fun Drawable.toBitmap(): Bitmap { | ||
| val drawable = this | ||
| if (drawable is BitmapDrawable) { | ||
| if (drawable.bitmap != null) { | ||
| return drawable.bitmap | ||
| } | ||
| } | ||
| val bitmap: Bitmap = if (drawable.intrinsicWidth <= 0 || drawable.intrinsicHeight <= 0) { | ||
| Bitmap.createBitmap( | ||
| 1, | ||
| 1, | ||
| getSuitableConfig() | ||
| ) // Single color bitmap will be created of 1x1 pixel | ||
| } else { | ||
| Bitmap.createBitmap( | ||
| drawable.intrinsicWidth, | ||
| drawable.intrinsicHeight, | ||
| getSuitableConfig() | ||
| ) | ||
| } | ||
| val canvas = Canvas(bitmap) | ||
| drawable.setBounds(0, 0, canvas.width, canvas.height) | ||
| drawable.draw(canvas) | ||
| return bitmap | ||
| } | ||
|
|
||
| private fun getSuitableConfig( | ||
| image: Bitmap? = null | ||
| ): Bitmap.Config = image?.config ?: if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { | ||
| Bitmap.Config.RGBA_1010102 | ||
| } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { | ||
| Bitmap.Config.RGBA_F16 | ||
| } else { | ||
| Bitmap.Config.ARGB_8888 | ||
| } | ||
|
|
||
| private fun toCoil(transformation: Transformation<Bitmap>): coil.transform.Transformation { | ||
| return object : coil.transform.Transformation { | ||
| override val cacheKey: String | ||
| get() = transformation.cacheKey | ||
|
|
||
| override suspend fun transform( | ||
| input: Bitmap, | ||
| size: Size | ||
| ): Bitmap = transformation.transform(input, size) | ||
| } | ||
| } | ||
|
|
||
| } |
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