From 6409ecfa03f92f3e5e168dcbdef019c127f1c3e4 Mon Sep 17 00:00:00 2001
From: yuanjiajia <1139393632@qq.com>
Date: Thu, 13 Jul 2023 11:58:57 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B8=B2=E6=9F=93=E6=B5=8B=E5=BC=8F=20?=
 =?UTF-8?q?=E5=BC=80=E5=8F=91?=
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Content-Transfer-Encoding: 8bit

---
 src/utils/MatHelper.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/utils/MatHelper.php b/src/utils/MatHelper.php
index cae69b2..69c5b57 100644
--- a/src/utils/MatHelper.php
+++ b/src/utils/MatHelper.php
@@ -24,12 +24,12 @@ class MatHelper{
     /**
      * 十六进制颜色 转换为 浮点数颜色
      */
-    static function hex2floatColor($hexColor, $scale = 1){
+    static function hex2floatColor($hexColor, $scale = 1, $gamma = 2.2){
         $floatColor = '';
         $hexColor = trim($hexColor);
-        $r = (hexdec(substr($hexColor, 1, 2))/255) ** 2.2 * $scale;
-        $g = (hexdec(substr($hexColor, 3, 2))/255) ** 2.2 * $scale;
-        $b = (hexdec(substr($hexColor, 5, 2))/255) ** 2.2 * $scale;
+        $r = (hexdec(substr($hexColor, 1, 2))/255 * $scale) ** $gamma;
+        $g = (hexdec(substr($hexColor, 3, 2))/255 * $scale) ** $gamma;
+        $b = (hexdec(substr($hexColor, 5, 2))/255 * $scale) ** $gamma;
         $floatColor = "$r $g $b";
         return $floatColor;
     }