Adding compression quality as parameter of ResizeOption. Fixes #41.

onseok · Jan 11, 2024 · a371788 · a371788
1 parent 9fd2a82
commit a371788
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Showing 5 changed files with 11 additions and 6 deletions.
diff --git a/...ker/src/androidMain/kotlin/com/preat/peekaboo/image/picker/ImagePickerLauncher.android.kt b/...ker/src/androidMain/kotlin/com/preat/peekaboo/image/picker/ImagePickerLauncher.android.kt
@@ -74,6 +74,7 @@ private fun pickSingleImage(
                         uri = uri,
                         width = resizeOptions.width,
                         height = resizeOptions.height,
+                        compressionQuality = resizeOptions.compressionQuality,
                         filterOptions = filterOptions,
                     ) { resizedImage ->
                         if (resizedImage != null) {
@@ -127,6 +128,7 @@ private fun pickMultipleImages(
                         uri = uri,
                         width = resizeOptions.width,
                         height = resizeOptions.height,
+                        compressionQuality = resizeOptions.compressionQuality,
                         filterOptions = filterOptions,
                     ) { resizedImage ->
                         resizedImage?.let {

diff --git a/...age-picker/src/androidMain/kotlin/com/preat/peekaboo/image/picker/PeekabooImageResizer.kt b/...age-picker/src/androidMain/kotlin/com/preat/peekaboo/image/picker/PeekabooImageResizer.kt
@@ -38,11 +38,12 @@ internal object PeekabooImageResizer {
         uri: Uri,
         width: Int,
         height: Int,
+        compressionQuality: Double,
         filterOptions: FilterOptions,
         onResult: (ByteArray?) -> Unit,
     ) {
         coroutineScope.launch(Dispatchers.IO) {
-            val byteArray = resizeImage(context, uri, width, height, filterOptions)
+            val byteArray = resizeImage(context, uri, width, height, compressionQuality, filterOptions)
             withContext(Dispatchers.Main) {
                 onResult(byteArray)
             }
@@ -54,6 +55,7 @@ internal object PeekabooImageResizer {
         uri: Uri,
         width: Int,
         height: Int,
+        compression: Double,
         filterOptions: FilterOptions,
     ): ByteArray? {
         val resizeCacheKey = "${uri}_w${width}_h$height"
@@ -90,7 +92,7 @@ internal object PeekabooImageResizer {
             val filteredBitmap = applyFilter(rotatedBitmap, filterOptions)
 
             ByteArrayOutputStream().use { byteArrayOutputStream ->
-                filteredBitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream)
+                filteredBitmap.compress(Bitmap.CompressFormat.JPEG, (100 * compression).toInt(), byteArrayOutputStream)
                 val byteArray = byteArrayOutputStream.toByteArray()
                 PeekabooBitmapCache.instance.put(filterCacheKey, filteredBitmap)
                 return byteArray

diff --git a/...image-picker/src/commonMain/kotlin/com/preat/peekaboo/image/picker/ImagePickerLauncher.kt b/...image-picker/src/commonMain/kotlin/com/preat/peekaboo/image/picker/ImagePickerLauncher.kt
@@ -40,6 +40,7 @@ sealed class SelectionMode {
 data class ResizeOptions(
     val width: Int = 800,
     val height: Int = 800,
+    val compressionQuality: Double = 1.0,
 )
 
 sealed interface FilterOptions {

diff --git a/...mage-picker/src/iosMain/kotlin/com/preat/peekaboo/image/picker/ImagePickerLauncher.ios.kt b/...mage-picker/src/iosMain/kotlin/com/preat/peekaboo/image/picker/ImagePickerLauncher.ios.kt
@@ -87,7 +87,7 @@ actual fun rememberImagePickerLauncher(
                                         resizeOptions.height,
                                         filterOptions,
                                     )
-                                val bytes = resizedImage?.toByteArray()
+                                val bytes = resizedImage?.toByteArray(resizeOptions.compressionQuality)
                                 if (bytes != null) {
                                     imageData.add(bytes)
                                 }
@@ -121,8 +121,8 @@ actual fun rememberImagePickerLauncher(
 }
 
 @OptIn(ExperimentalForeignApi::class)
-private fun UIImage.toByteArray(): ByteArray {
-    val jpegData = UIImageJPEGRepresentation(this, 1.0)!!
+private fun UIImage.toByteArray(compressionQuality: Double): ByteArray {
+    val jpegData = UIImageJPEGRepresentation(this, compressionQuality)!!
     return ByteArray(jpegData.length.toInt()).apply {
         memcpy(this.refTo(0), jpegData.bytes, jpegData.length)
     }

diff --git a/sample/common/src/commonMain/kotlin/com/preat/peekaboo/common/App.kt b/sample/common/src/commonMain/kotlin/com/preat/peekaboo/common/App.kt
@@ -93,7 +93,7 @@ fun App() {
             selectionMode = SelectionMode.Multiple(maxSelection = 5),
             scope = scope,
             // Resize options are customizable. Default is set to 800 x 800 pixels.
-            resizeOptions = ResizeOptions(width = 1200, height = 1200),
+            resizeOptions = ResizeOptions(width = 1200, height = 1200, compressionQuality = 1.0),
             // Default is 'Default', which applies no filter.
             // Other available options: GrayScale, Sepia, Invert.
             filterOptions = FilterOptions.GrayScale,