From b027cd91d070fd5cbbfdff827ee0552d332eaf03 Mon Sep 17 00:00:00 2001
From: miku-666 <74728189+NessieHax@users.noreply.github.com>
Date: Sun, 6 Aug 2023 14:27:46 +0200
Subject: [PATCH] ColorExtensions - Added 'BlendMode.Overlay'

---
 PCK-Studio/Extensions/BlendMode.cs       | 3 ++-
 PCK-Studio/Extensions/ColorExtensions.cs | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/PCK-Studio/Extensions/BlendMode.cs b/PCK-Studio/Extensions/BlendMode.cs
index 79fac7f3..76709d50 100644
--- a/PCK-Studio/Extensions/BlendMode.cs
+++ b/PCK-Studio/Extensions/BlendMode.cs
@@ -8,6 +8,7 @@
         Average,
         DescendingOrder,
         AscendingOrder,
-        Screen
+        Screen,
+        Overlay
     }
 }
\ No newline at end of file
diff --git a/PCK-Studio/Extensions/ColorExtensions.cs b/PCK-Studio/Extensions/ColorExtensions.cs
index a1fa0074..3a94de60 100644
--- a/PCK-Studio/Extensions/ColorExtensions.cs
+++ b/PCK-Studio/Extensions/ColorExtensions.cs
@@ -28,6 +28,7 @@ namespace PckStudio.Extensions
                 BlendMode.AscendingOrder => source > overlay ? overlay : source,
                 BlendMode.DescendingOrder => source < overlay ? overlay : source,
                 BlendMode.Screen => 1f - (1f - source) * (1f - overlay),
+                BlendMode.Overlay => source < 0.5f ? 2f * source * overlay : 1f - 2f * (1f - source) * (1f - overlay),
                 _ => 0.0f
             };
             return (byte)MathExtensions.Clamp(resultValue * 255, 0, 255);