From 1bf8c2dee4e135a7b3f5206db57e69ba216de483 Mon Sep 17 00:00:00 2001
From: skydoves <skydoves@naver.com>
Date: Thu, 2 Jan 2025 12:37:35 +0900
Subject: [PATCH] Use deferred for launching iterative blur

---
 .../main/kotlin/com/skydoves/cloudy/CloudyModifierNode.kt | 2 +-
 .../cloudy/internals/render/RenderScriptToolkit.kt        | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/cloudy/src/main/kotlin/com/skydoves/cloudy/CloudyModifierNode.kt b/cloudy/src/main/kotlin/com/skydoves/cloudy/CloudyModifierNode.kt
index a36a464..c7e4fa4 100644
--- a/cloudy/src/main/kotlin/com/skydoves/cloudy/CloudyModifierNode.kt
+++ b/cloudy/src/main/kotlin/com/skydoves/cloudy/CloudyModifierNode.kt
@@ -119,7 +119,7 @@ private class CloudyModifierNode(
         val blurredBitmap = iterativeBlur(
           androidBitmap = targetBitmap,
           radius = radius
-        )?.apply {
+        ).await()?.apply {
           drawImage(this.asImageBitmap())
         } ?: throw RuntimeException("Couldn't capture a bitmap from the composable tree")
 
diff --git a/cloudy/src/main/kotlin/com/skydoves/cloudy/internals/render/RenderScriptToolkit.kt b/cloudy/src/main/kotlin/com/skydoves/cloudy/internals/render/RenderScriptToolkit.kt
index f89a57d..946cb70 100644
--- a/cloudy/src/main/kotlin/com/skydoves/cloudy/internals/render/RenderScriptToolkit.kt
+++ b/cloudy/src/main/kotlin/com/skydoves/cloudy/internals/render/RenderScriptToolkit.kt
@@ -18,7 +18,9 @@
 package com.skydoves.cloudy.internals.render
 
 import android.graphics.Bitmap
-import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Deferred
+import kotlinx.coroutines.async
 
 // This string is used for error messages.
 private const val externalName = "RenderScript Toolkit"
@@ -316,10 +318,10 @@ internal fun vectorSize(bitmap: Bitmap): Int {
   }
 }
 
-internal suspend fun iterativeBlur(
+internal fun CoroutineScope.iterativeBlur(
   androidBitmap: Bitmap,
   radius: Int
-): Bitmap? = coroutineScope {
+): Deferred<Bitmap?> = async {
   val iterate = (radius + 1) / 25
   var bitmap: Bitmap? = RenderScriptToolkit.blur(
     inputBitmap = androidBitmap,