屏幕录制与GIF生成工具：自定义录制区域帧率、一键生成GIF动图、支持添加文字水印

🖥️ 运行效果

🚀 实例简介

这是一款基于 Python + Tkinter 开发的屏幕录制与GIF生成桌面工具。支持自定义录制区域、帧率调节、文字水印添加，一键生成高质量GIF动图。适用于制作软件操作演示、录制教程步骤、生成技术分享动图等场景。

💻 核心代码

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
屏幕录制与GIF生成工具
功能：自定义录制区域、帧率调节、生成GIF动图、支持文字水印
作者：好例子网 (haolizi.com)
"""

import tkinter as tk
from tkinter import ttk, filedialog, messagebox
import threading
import time
import os
from PIL import ImageGrab, ImageDraw, ImageFont
import platform

# 中文字体配置
CHINESE_FONT = "WenQuanYi Zen Hei" if platform.system() == "Linux" else "Microsoft YaHei"


class ScreenRecorder:
    """屏幕录制器 - 核心录制逻辑"""
    
    def __init__(self):
        self.recording = False
        self.frames = []
        self.region = None  # (x1, y1, x2, y2)
        self.fps = 10
        self.watermark = ""
        
    def start_recording(self, region, fps, watermark):
        """开始录制"""
        self.recording = True
        self.frames = []
        self.region = region
        self.fps = fps
        self.watermark = watermark
        
        # 在独立线程中录制
        thread = threading.Thread(target=self._record_loop, daemon=True)
        thread.start()
        
    def _record_loop(self):
        """录制循环 - 按帧率截图"""
        interval = 1.0 / self.fps
        while self.recording:
            start_time = time.time()
            
            # 截取指定区域
            frame = ImageGrab.grab(bbox=self.region)
            
            # 添加水印
            if self.watermark:
                draw = ImageDraw.Draw(frame)
                try:
                    font = ImageFont.truetype("/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc", 20)
                except:
                    font = ImageFont.load_default()
                draw.text((10, 10), self.watermark, fill=(255, 255, 255, 128), font=font)
            
            self.frames.append(frame)
            
            # 控制帧率
            elapsed = time.time() - start_time
            if elapsed < interval:
                time.sleep(interval - elapsed)
                
    def stop_recording(self):
        """停止录制"""
        self.recording = False
        time.sleep(0.5)  # 等待最后一帧
        return self.frames
        
    def save_gif(self, frames, output_path, duration=100):
        """保存为GIF"""
        if not frames:
            return False
            
        # 调整尺寸以减小文件大小
        resized_frames = []

💡 适用场景

办公自动化、数据分析、快速原型开发