From d0bbb6d059d8a63af6be7e41b17442a78279f16e Mon Sep 17 00:00:00 2001
From: nathbrow <nathan_brown@selinc.com>
Date: Thu, 17 Jul 2025 13:37:32 -0700
Subject: [PATCH] Only apply the first blur and brightness filters

(cherry picked from commit 73ddbc8ac919b2400d446f0cf36191c9ecd55846)
---
 .../Drawing/DrawableContainer.cs              | 24 ++++++++++++++++++-
 .../Drawing/DrawableContainerList.cs          |  3 +++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/Greenshot.Editor/Drawing/DrawableContainer.cs b/src/Greenshot.Editor/Drawing/DrawableContainer.cs
index 08371753b..04d79af04 100644
--- a/src/Greenshot.Editor/Drawing/DrawableContainer.cs
+++ b/src/Greenshot.Editor/Drawing/DrawableContainer.cs
@@ -57,6 +57,9 @@ namespace Greenshot.Editor.Drawing
         private const int M11 = 0;
         private const int M22 = 3;
 
+        public static bool IsBlurFilterApplied = false;
+        public static bool IsBrightnessFilterApplied = false;
+
         [OnDeserialized]
         private void OnDeserializedInit(StreamingContext context)
         {
@@ -416,7 +419,26 @@ namespace Greenshot.Editor.Drawing
                         {
                             if (filter.Invert)
                             {
-                                filter.Apply(graphics, bmp, Bounds, renderMode, areasToExcludeFromFilters);
+                                if (filter is BlurFilter)
+                                {
+                                    if (!IsBlurFilterApplied)
+                                    {
+                                        filter.Apply(graphics, bmp, Bounds, renderMode, areasToExcludeFromFilters);
+                                        IsBlurFilterApplied = true;
+                                    }
+                                }
+                                else if (filter is BrightnessFilter)
+                                {
+                                    if (!IsBrightnessFilterApplied)
+                                    {
+                                        filter.Apply(graphics, bmp, Bounds, renderMode, areasToExcludeFromFilters);
+                                        IsBrightnessFilterApplied = true;
+                                    }
+                                }
+                                else
+                                {
+                                    filter.Apply(graphics, bmp, Bounds, renderMode, areasToExcludeFromFilters);
+                                }
                             }
                             else
                             {
diff --git a/src/Greenshot.Editor/Drawing/DrawableContainerList.cs b/src/Greenshot.Editor/Drawing/DrawableContainerList.cs
index c4cbbc17b..a9050f80e 100644
--- a/src/Greenshot.Editor/Drawing/DrawableContainerList.cs
+++ b/src/Greenshot.Editor/Drawing/DrawableContainerList.cs
@@ -328,6 +328,9 @@ namespace Greenshot.Editor.Drawing
                 return;
             }
 
+            DrawableContainer.IsBlurFilterApplied = false;
+            DrawableContainer.IsBrightnessFilterApplied = false;
+
             foreach (var drawableContainer in this)
             {
                 var dc = (DrawableContainer) drawableContainer;