From 918389cd1a2385f2498a78ac82340c31b0af72f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jindra=20Pet=C5=99=C3=ADk?= <jindra.petrik@gmail.com>
Date: Tue, 24 Sep 2024 20:59:40 +0200
Subject: [PATCH] Fixed: #2272 Filters strength attribute caps at 100%

---
 CHANGELOG.md                                          |  2 ++
 .../decompiler/flash/types/filters/Filtering.java     | 11 +++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c02b05393..5d65bac2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ All notable changes to this project will be documented in this file.
 - [#2319] AS3 Compound assignments problems in some cases
 - [#2319] AS3 direct editation - class gets removed after pressing cancel
 - [#2320] AS3 direct editation - modified flag of scripts vanishes after editing other script with and having error
+- [#2272] Filters strength attribute caps at 100%
 
 ## [21.1.0] - 2024-09-23
 ### Added
@@ -3580,6 +3581,7 @@ Major version of SWF to XML export changed to 2.
 [#2321]: https://www.free-decompiler.com/flash/issues/2321
 [#2319]: https://www.free-decompiler.com/flash/issues/2319
 [#2320]: https://www.free-decompiler.com/flash/issues/2320
+[#2272]: https://www.free-decompiler.com/flash/issues/2272
 [#943]: https://www.free-decompiler.com/flash/issues/943
 [#1812]: https://www.free-decompiler.com/flash/issues/1812
 [#2287]: https://www.free-decompiler.com/flash/issues/2287
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/filters/Filtering.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/filters/Filtering.java
index 5282ae7e1..ee8e8f189 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/filters/Filtering.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/filters/Filtering.java
@@ -367,8 +367,7 @@ public class Filtering {
             if (inner) {
                 alpha = 255 - alpha;
             }
-            Color shadowColor;
-            shadowColor = new Color(color.getRed(), color.getGreen(), color.getBlue(), cut(color.getAlpha() * alpha / 255 * strength));
+            Color shadowColor = new Color(color.getRed(), color.getGreen(), color.getBlue(), cut(color.getAlpha() * alpha / 255f));
             shadow[i] = shadowColor.getRGB();
         }
 
@@ -382,6 +381,14 @@ public class Filtering {
             blur(shadow, width, height, blurX, blurY, iterations, null);
         }
 
+        if (strength != 1f) {
+            for (int i = 0; i < shadow.length; i++) {
+                int alpha = (shadow[i] >> 24) & 0xff;
+                alpha = cut(alpha * strength);
+                shadow[i] = (shadow[i] & 0xffffff) | (alpha << 24);
+            }
+        }
+        
         if (knockout || inner) {
             for (int i = 0; i < shadow.length; i++) {
                 int mask = (srcPixels[i] >> 24) & 0xff;