From ec7b44b3f34cad781f1c1e6defd1b133efbfde24 Mon Sep 17 00:00:00 2001
From: daleclack <daleclack1@foxmail.com>
Date: Sun, 5 May 2024 10:58:47 +0800
Subject: [PATCH] Update gray color checker

---
 Gtk4/src/core/MainWin.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Gtk4/src/core/MainWin.cpp b/Gtk4/src/core/MainWin.cpp
index d6bbdb5..9455fbb 100644
--- a/Gtk4/src/core/MainWin.cpp
+++ b/Gtk4/src/core/MainWin.cpp
@@ -46,9 +46,9 @@ static int get_gray_color(GdkPixbuf *pixbuf)
     int red = 0, green = 0, blue = 0;
 
     // Calculate the color of image of 20x20 pixels
-    for (int i = 0; i < 20; i++)
+    for (int i = 0; i < 10; i++)
     {
-        for (int j = 0; j < 20; j++)
+        for (int j = 0; j < 10; j++)
         {
             guchar *p = pixels + j * rowstride + i * n_channels;
             red += p[0];
@@ -56,9 +56,9 @@ static int get_gray_color(GdkPixbuf *pixbuf)
             blue += p[2];
         }
     }
-    red /= 400;
-    green /= 400;
-    blue /= 400;
+    red /= 100;
+    green /= 100;
+    blue /= 100;
 
     // Calculate the gray number from the pixels
     int gray = (red * 299 + green * 587 + blue * 114 + 500) / 1000;