From 8bc972d623035732bb6b45f0200baa8d583ce10d Mon Sep 17 00:00:00 2001
From: Tian jianyong <11429339@qq.com>
Date: Sun, 28 Dec 2025 18:18:51 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E6=96=87=E5=AD=97=E7=9A=84?=
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---
 face_rec.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/face_rec.py b/face_rec.py
index 4abe40c..112226d 100644
--- a/face_rec.py
+++ b/face_rec.py
@@ -1836,14 +1836,18 @@ class FaceRecognitionSystem:
                 center_x = w // 2
                 center_y = h // 2
                 # 椭圆参数：中心点、宽半轴、高半轴、旋转角度、起始角度、结束角度
-                cv2.ellipse(display_frame, (center_x, center_y), (150, 200), 0, 0, 360, (0, 200, 0), 2)
+                cv2.ellipse(display_frame, (center_x, center_y), (150, 200), 0, 0, 360, (0, 200, 0), 3)
 
                 # 添加提示文字（使用中文支持函数）
                 guide_text = "请将脸部对准圆圈内"
-                # 计算文字居中位置
-                text_size = cv2.getTextSize(guide_text, cv2.FONT_HERSHEY_SIMPLEX, 0.8, 2)[0]
-                text_x = center_x - text_size[0] // 2
-                text_y = center_y + 150
+                # 计算文字位置：距离底部40像素，居中显示
+                # 使用PIL计算中文文字的实际宽度
+                img_temp = Image.new('RGB', (1, 1))
+                draw_temp = ImageDraw.Draw(img_temp)
+                bbox = draw_temp.textbbox((0, 0), guide_text, font=self.font_medium)
+                text_width = bbox[2] - bbox[0]
+                text_x = center_x - text_width // 2
+                text_y = h - 40
                 display_frame = self.cv2_add_chinese_text(display_frame, guide_text, (text_x, text_y), self.font_medium, (0, 200, 0))
 
                 # 使用缓存的屏幕尺寸拉伸视频帧到全屏