From 6ac701451b2c97727826bdc09af8cdda23c659de Mon Sep 17 00:00:00 2001
From: Chev <11602755+chev2@users.noreply.github.com>
Date: Mon, 2 Jan 2023 15:07:29 -0800
Subject: [PATCH] Add Sepia filter

---
 .../lua/screenshoteditor/cl_filters_basic.lua | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/addons/screenshot_editor/lua/screenshoteditor/cl_filters_basic.lua b/addons/screenshot_editor/lua/screenshoteditor/cl_filters_basic.lua
index 5961928..cde8299 100644
--- a/addons/screenshot_editor/lua/screenshoteditor/cl_filters_basic.lua
+++ b/addons/screenshot_editor/lua/screenshoteditor/cl_filters_basic.lua
@@ -182,6 +182,32 @@ hook.Add("ScreenshotEditorInitialize", "ScreenshotEditor_AddBasicFilters", funct
                 ["$pp_colour_brightness"] = 0,
                 ["$pp_colour_contrast"] = 1,
                 ["$pp_colour_colour"] = 0,
+
+    screenshot_editor.AddFilter({
+        FilterName = "Sepia",
+        FilterCallback = function(width, height)
+            DrawColorModify({
+                ["$pp_colour_addr"] = 0,
+                ["$pp_colour_addg"] = 0,
+                ["$pp_colour_addb"] = 0,
+                ["$pp_colour_brightness"] = 0,
+                ["$pp_colour_contrast"] = 1,
+                ["$pp_colour_colour"] = 0,
+                ["$pp_colour_mulr"] = 0,
+                ["$pp_colour_mulg"] = 0,
+                ["$pp_colour_mulb"] = 0
+            })
+
+            DrawColorModify({
+                ["$pp_colour_addr"] = 175 / 255,
+                ["$pp_colour_addg"] = 155 / 255,
+                ["$pp_colour_addb"] = 137 / 255,
+                ["$pp_colour_brightness"] = -0.6,
+                ["$pp_colour_contrast"] = 0.95,
+                ["$pp_colour_colour"] = 1,
+                ["$pp_colour_mulr"] = 0,
+                ["$pp_colour_mulg"] = 0,
+                ["$pp_colour_mulb"] = 0
             })
         end
     })