C#实现文字视频生成器的示例代码分享

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public class RecordingUtil  {      VideoFileWriter vfWriter = new VideoFileWriter();      ScreenCaptureStream scStream = null;       readonly Rectangle Rect;      public RecordingUtil(Rectangle rect, int interval = 40)      {          Rect = rect;          scStream = new ScreenCaptureStream(rect, interval);          scStream.NewFrame += (s, e1) =>          {              vfWriter.WriteVideoFrame(e1.Frame);          };      }       public void Start(string savePath, int Rate = 4000 * 1024)      {          vfWriter.Open(savePath, Rect.Width, Rect.Height, 25, VideoCodec.MPEG4, 4000 * 1024);          scStream.Start();      }       public void Stop()      {          if (scStream != null && scStream.IsRunning)          {              scStream.Stop();          }          if (vfWriter.IsOpen)          {              vfWriter.Close();          }      }   }

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private void btnCreate_Click(object sender, EventArgs e)       {            checkNull();           btnCreate.Text = "正在生成";           btnCreate.Enabled = false;           SaveFileDialog sfd = new SaveFileDialog();           sfd.Filter = "视频文件|*.MP4";           if (sfd.ShowDialog() == DialogResult.OK)           {               Point point = new Point(this.Location.X + 5, this.Location.Y + 25);               Size size = new Size(splitContainer1.Panel1.Width % 2 == 1 ? splitContainer1.Panel1.Width - 1 : splitContainer1.Panel1.Width, splitContainer1.Panel1.Height % 2 == 1 ? splitContainer1.Panel1.Height - 1 : splitContainer1.Panel1.Height);                Rectangle rect = new Rectangle(point, size);               RecordingUtil Recording = new RecordingUtil(rect);               Recording.Start(sfd.FileName);               createText(txtWord.Text);               Recording.Stop();           }           btnCreate.Text = "生 成";           btnCreate.Enabled = true;               }        private void btnPreview_Click(object sender, EventArgs e)       {            checkNull();           btnPreview.Text = "正在预览";           btnPreview.Enabled = false;           createText(txtWord.Text);           btnPreview.Text = "预 览";           btnPreview.Enabled = true;       }        private void checkNull()       {           if (string.IsNullOrWhiteSpace(txtWord.Text))           {               toolTip1.Hide(txtWord);               toolTip1.Show("不可为空！", txtWord, 5, -60, 2000);               return;           }       }        private void createText(string text)       {           Graphics g = splitContainer1.Panel1.CreateGraphics();           g.Clear(splitContainer1.Panel1.BackColor);           Font font = new Font("华文行楷", 25);           // Brush whiteBrush = new SolidBrush(Color.FromArgb(0, 192, 0));           Brush whiteBrush = new SolidBrush(Color.Black);           int x = 0, y = 0;           string[] arr = txtWord.Text.Split('\n');           for (int i = 0; i < arr.Length; i++)           {               x = 40 * i + 15;               for (int j = 0; j < arr[i].Length; j++)               {                   y = 40 * j + 15;                   g.DrawString(arr[i][j].ToString(), font, whiteBrush, x, y);                   Delay(300);               }           }       }        private void Delay(double mm)       {           DateTime now = DateTime.Now;           while (DateTime.Now.AddMilliseconds(-mm) <= now)           {               Application.DoEvents();           }       }