From b11f6d5b3bbe36b34b95d0a6f5d24f384eb1c639 Mon Sep 17 00:00:00 2001
From: Bruno Herbelin <bruno.herbelin@gmail.com>
Date: Sat, 25 Feb 2023 12:43:27 +0100
Subject: [PATCH] BugFix Color selection Chromakey filter

---
 src/ImGuiVisitor.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ImGuiVisitor.cpp b/src/ImGuiVisitor.cpp
index edc106e..57fb89a 100644
--- a/src/ImGuiVisitor.cpp
+++ b/src/ImGuiVisitor.cpp
@@ -988,7 +988,12 @@ void ImGuiVisitor::visit (AlphaFilter& f)
         float color[3] = {filter_parameters["Red"], filter_parameters["Green"], filter_parameters["Blue"]};
 
         // show color
-        ImGui::ColorEdit3("Chromakey Color", color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel) ;
+        if (ImGui::ColorEdit3("Chromakey Color", color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel) )
+        {
+            f.setProgramParameter("Red",   color[0]);
+            f.setProgramParameter("Green", color[1]);
+            f.setProgramParameter("Blue",  color[2]);
+        }
 
         // offer to pick color
         ImGui::SameLine(0, IMGUI_SAME_LINE);