504 lines
21 KiB
C#
504 lines
21 KiB
C#
using AForge.Controls;
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using AForge.Video.DirectShow;
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using System;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Net.NetworkInformation;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Windows.Forms;
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using static System.Windows.Forms.VisualStyles.VisualStyleElement.Window;
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namespace photo
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{
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public partial class Photo_Form2 : Form
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{
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//250 350
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private FilterInfoCollection videoDevices;//所有摄像设备
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private VideoCaptureDevice videoDevice;//摄像设备
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private VideoCapabilities[] videoCapabilities;//摄像头分辨率
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public string img64 = "";
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public int iActualHeight = 0;//视频流窗口高度
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public int iActualWidth = 0;//视频流窗口宽度
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//PaintEventArgs e11;
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public Photo_Form2()
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{
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this.StartPosition = FormStartPosition.CenterScreen;//居中显示
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InitializeComponent();
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Get_Shebei();//得到机器所有接入的摄像设备
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Conn_Camera();//连接摄像头
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}
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public void Get_Shebei()
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{
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//寻找设备的摄像头，检索分辨率
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videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
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if (videoDevices.Count != 0)//读取到摄像设备
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{
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foreach (FilterInfo device in videoDevices)
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{
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cboVideo.Items.Add(device.Name);//把摄像设备添加到摄像列表中
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}
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}
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else
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{
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cboVideo.Items.Add("没有找到摄像头");
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}
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cboVideo.SelectedIndex = 0; //默认选择第一个
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if (videoDevices.Count != 0) //读取到摄像设备
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{
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//获取摄像头
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videoDevice = new VideoCaptureDevice(videoDevices[cboVideo.SelectedIndex].MonikerString);
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GetDeviceResolution(videoDevice); //获得摄像头的分辨率
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}
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}
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//点击确定按钮
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private void btn_queding_Click(object sender, EventArgs e)
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{
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DisConnect();//断开连接
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EnableControlStatus(true);
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this.Close();//关闭窗体
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}
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//点击拍照按钮
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private void btn_paizhao_Click(object sender, EventArgs e)
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{
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try
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{
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if (videoSourcePlayer1 == null)
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{
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return;
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}
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else
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{
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while (true)
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{
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//i++;
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//创建图像对象
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Bitmap img = videoSourcePlayer1.GetCurrentVideoFrame();//拍照
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Bitmap imgbitmap = new Bitmap(img);
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//Image resizedImage = resizeImage(imgbitmap, new Size(640, 360));//250 350
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Image resizedImage = resizeImage(imgbitmap, new Size(iActualWidth, iActualHeight));
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//pictureBox2.Image = img;
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//保存
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//string path = "C:\\PhotoList\\DengJi";
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//if (!Directory.Exists(path))
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//{
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// Directory.CreateDirectory(path);
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//}
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//path += "\\" + DateTime.Now.ToString("yyyyMMddHHmmssffff") + ".jpg";
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//img.Save(path, ImageFormat.Jpeg);
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////计算图片多大
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//int Img_Height = videoCapabilities[0].FrameSize.Height;
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//int Img_Width = videoCapabilities[0].FrameSize.Width;
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//Image originImage = Image.FromFile(path);
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//创建矩形对象表示原图上裁剪的矩形区域，这里相当于划定原图上坐标为(10, 10)处，50x50大小的矩形区域为裁剪区域
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//Rectangle cropRegion = new Rectangle(255, 30, 400, 500);
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//Rectangle cropRegion = new Rectangle(250, 30, 180, 300);
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int iY = Convert.ToInt32(iActualHeight / 1.4);
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int iX = (iActualWidth - iY) / 2;
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Rectangle cropRegion = new Rectangle(iX, 0, iY, iActualHeight);
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//创建空白画布，大小为裁剪区域大小
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Bitmap result = new Bitmap(cropRegion.Width, cropRegion.Height);
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//创建Graphics对象，并指定要在result（目标图片画布）上绘制图像
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Graphics graphics = Graphics.FromImage(result);
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//使用Graphics对象把原图指定区域图像裁剪下来并填充进刚刚创建的空白画布
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graphics.DrawImage(resizedImage, new Rectangle(0, 0, cropRegion.Width, cropRegion.Height), cropRegion, GraphicsUnit.Pixel);
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//这个时候裁剪区域图片就被填充进result对象中去了，可以对其进行保存
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//string path12 = "C:\\PhotoList\\DengJi\\" + DateTime.Now.ToString("yyyyMMddHHmmssffff") + ".jpg";
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//result.Save(path12, ImageFormat.Png);
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pictureBox1.Image = result;
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//返回前端
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MemoryStream ms = new MemoryStream();
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result.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
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byte[] photo = ms.GetBuffer();
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ms.Close();
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//FileStream fs = new FileStream(path12, FileMode.Open, FileAccess.Read);
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//byte[] photo = new byte[fs.Length];
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//fs.Read(photo, 0, photo.Length);
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//fs.Close();
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img64 = Convert.ToBase64String(photo);
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img64 = "data:image/jpeg;base64," + img64;
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break;
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#region MyRegion
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////原图片文件
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//Image fromImage = Image.FromFile(fromImagePath);
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////创建新图位图
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//Bitmap bitmap = new Bitmap(width, height);
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////创建作图区域
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//Graphics graphic = Graphics.FromImage(bitmap);
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////截取原图相应区域写入作图区
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//graphic.DrawImage(fromImage, 0, 0, new Rectangle(offsetX, offsetY, width, height), GraphicsUnit.Pixel);
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////从作图区生成新图
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//Image saveImage = Image.FromHbitmap(bitmap.GetHbitmap());
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////保存图片
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//saveImage.Save(toImagePath, ImageFormat.Png);
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////释放资源
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//saveImage.Dispose();
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//graphic.Dispose();
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//bitmap.Dispose();
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#endregion
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}
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}
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}
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catch (Exception)
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{
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throw;
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}
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}
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public void Conn_Camera()
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{
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if (videoDevice != null)//如果摄像头不为空
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{
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videoDevice.VideoResolution = videoCapabilities[comboBox2.SelectedIndex];//摄像头分辨率
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videoSourcePlayer1.Size = new System.Drawing.Size(iActualWidth, iActualHeight);//保证画线时大小统一
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videoSourcePlayer1.VideoSource = videoDevice;//把摄像头赋给控件
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videoSourcePlayer1.Start();//开启摄像头
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EnableControlStatus(false);
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}
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}
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//关闭并释放
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private void DisConnect()
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{
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if (videoSourcePlayer1.VideoSource != null)
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{
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videoSourcePlayer1.SignalToStop();
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videoSourcePlayer1.WaitForStop();
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videoSourcePlayer1.VideoSource = null;
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}
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}
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//控件的显示切换
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private void EnableControlStatus(bool status)
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{
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//cboVideo.Enabled = status;
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//pictureBox1.Enabled = status;
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//videoSourcePlayer1.Enabled = status;
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//videoSourcePlayer1.Enabled = !status;
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//btnCut.Enabled = !status;
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}
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//获得摄像头的分辨率
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private void GetDeviceResolution(VideoCaptureDevice videoCaptureDevice)
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{
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comboBox2.Items.Clear();//清空列表
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videoCapabilities = videoCaptureDevice.VideoCapabilities;//设备的摄像头分辨率数组
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foreach (VideoCapabilities capabilty in videoCapabilities)
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{
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//把这个设备的所有分辨率添加到列表
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comboBox2.Items.Add($"{capabilty.FrameSize.Width} x {capabilty.FrameSize.Height}");
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}
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comboBox2.SelectedIndex = 0;//默认选择第一个
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SetVideoSourcePlayer1Size(videoCapabilities[0].FrameSize.Width, videoCapabilities[0].FrameSize.Height);
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}
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//设置视频流窗口大小
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private void SetVideoSourcePlayer1Size(int iWidth, int iHeight)
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{
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while (iWidth > 500)
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{
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iWidth = iWidth / 2;
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iHeight = iHeight / 2;
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}
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videoSourcePlayer1.Width = iWidth;
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videoSourcePlayer1.Height = iHeight;
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iActualWidth = iWidth;
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iActualHeight = iHeight;
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pictureBox1.Height = iActualHeight;
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pictureBox1.Width = Convert.ToInt32(iActualHeight / 1.4);//1寸照片
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}
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public static Image resizeImage(Image imgToResize, Size size)
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{
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return (Image)(new Bitmap(imgToResize, size));
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}
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public static void image(string Path1)
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{
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System.Drawing.Image img = System.Drawing.Image.FromFile(Path1);
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Bitmap bt = new Bitmap(img);
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//获取图片位置颜色
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Color cl = bt.GetPixel(10, 10);
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int Width = img.Width;
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int Height = img.Height;
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int marginx = Height / 2;
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float dpiX = img.HorizontalResolution;
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float dpiY = img.VerticalResolution;
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//设置新图的大小
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Bitmap bitmap = new Bitmap(Width, Width, PixelFormat.Format24bppRgb);
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//设置位图文件的水平和垂直分辨率，与Img一致
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bitmap.SetResolution(dpiX, dpiY);
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//在位图文件上填充一个新图
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Graphics graphics = Graphics.FromImage(bitmap);
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System.Drawing.Rectangle Rec = new System.Drawing.Rectangle(0, 0, Width, Width);
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//定义颜色
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SolidBrush mySolidBrush = new SolidBrush(cl);
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//将新图填充为获取原图位置的颜色
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graphics.FillRectangle(mySolidBrush, Rec);
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//向新图中填充Img
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graphics.DrawImage(img, 0, marginx, Rec, GraphicsUnit.Pixel);
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graphics.Dispose();
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GC.Collect();
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bitmap.Save("保存图片路径", System.Drawing.Imaging.ImageFormat.Jpeg);
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}
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private void videoSourcePlayer1_Paint(object sender, PaintEventArgs e)
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{
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////画矩形
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Graphics g1 = e.Graphics;
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Pen p2 = new Pen(Color.White, 2);
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p2.DashStyle = DashStyle.Dot;
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//g1.DrawRectangle(p2, 96, 0, 128, 180);
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//g1.DrawRectangle(p2, 124, 0, 178, 250);
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int iY = Convert.ToInt32(iActualHeight / 1.4);
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int iX = (iActualWidth - iY) / 2;
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g1.DrawRectangle(p2, iX, 0, iY, iActualHeight);
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/* Graphics g1 = e.Graphics;
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//使绘图质量最高，即消除锯齿
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g1.SmoothingMode = SmoothingMode.AntiAlias;
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g1.InterpolationMode = InterpolationMode.HighQualityBicubic;
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g1.CompositingQuality = CompositingQuality.HighQuality;
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Pen p = new Pen(Color.Blue, 1);//定义笔的颜色为蓝色，大小为2
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Brush fillBrush = new SolidBrush(Color.White);
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////画直线
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//g1.DrawLine(p, 200, 10, 300, 10);//在画板上画直线,起始坐标为(10,10),终点坐标为(100,100)
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////画虚线
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Pen px = new Pen(Color.White, 2);//定义笔的颜色为蓝色，大小为2
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px.DashStyle = DashStyle.Dot;//定义虚线的样式为点
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//g1.DrawLine(px, 200, 20, 300, 20);
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////自定义虚线
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//Pen pd = new Pen(Color.Black, 5);//定义笔的颜色为蓝色，大小为2
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//pd.DashPattern = new float[] { 2, 1 };//设置短划线和空白部分的数组
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//g1.DrawLine(pd, 200, 30, 300, 30);
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////画箭头,只对不封闭曲线有用
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//pd.DashStyle = DashStyle.Solid;//恢复实线
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//pd.EndCap = LineCap.ArrowAnchor;//定义线尾的样式为箭头
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//g1.DrawLine(pd, 200, 50, 300, 50);
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//画圆
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g1.DrawEllipse(px, 140, 40, 140, 140);//与椭圆相贴的矩形的坐标，椭圆的长轴，椭圆的短轴*/
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//单色填充圆
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//g1.FillEllipse(fillBrush, 100, 40, 140, 140);
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////画矩形
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//Pen p2 = new Pen(Color.Yellow, 4);
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//g1.DrawRectangle(p2, 0, 310, 100, 100);
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////用渐变色填充
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//Rectangle rect = new Rectangle(300, 60, 50, 50);//定义矩形,参数为起点横纵坐标以及其长和宽
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//rect.Location = new Point(330, 20);
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//LinearGradientBrush b3 = new LinearGradientBrush(rect, Color.Yellow, Color.Black, LinearGradientMode.Horizontal);
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//g1.FillRectangle(b3, rect);
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////用图片填充
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////TextureBrush b2 = new TextureBrush(Image.FromFile(@"e:\picture\1.jpg"));
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////rect.Location = new Point(10, 70);//更改这个矩形的起点坐标
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////rect.Width = 200;//更改这个矩形的宽来
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////rect.Height = 200;//更改这个矩形的高
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////g1.FillRectangle(b2, rect);
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////绘制字符串
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//g1.DrawString("绘制文字", new Font("微软雅黑", 10), fillBrush, new PointF(130, 10));
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////画多边形
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//Point[] pg = { new Point(0, 76),
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// new Point(80, 76),
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// new Point(106, 0),
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// new Point(130, 76),
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// new Point(210, 76),
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// new Point(146, 124),
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// new Point(170, 200),
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// new Point(106, 152),
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// new Point(40, 200),
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// new Point(66, 124),
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//};
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//g1.DrawPolygon(p, pg);
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////画三维饼状图
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//int width = 200;
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//int height = 100;
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//int x = 440;
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//int y = 20;
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//Rectangle r = new Rectangle(x, y, width, height);
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//Pen p3 = new Pen(Color.Gray);
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//for (int i = y; i < 3 * y; i++)
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//{
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// Rectangle tempR = new Rectangle(x, i, width, height);
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// g1.DrawEllipse(p3, tempR);
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//}
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//Brush b = new SolidBrush(Color.Gainsboro);
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//g1.FillPie(b, r, 0, 360);//笔刷，基础矩形，扫过的角
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//b = new SolidBrush(Color.Blue);
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//g1.FillPie(b, r, 60, 150);
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//b = new SolidBrush(Color.Yellow);
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//g1.FillPie(b, r, 210, 150);//从210°开始掠过150度
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//Bitmap image = new Bitmap(500, 500);
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//Graphics g = Graphics.FromImage(image);
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//g.DrawEllipse(p, 200, 90, 100, 100);//与椭圆相贴的矩形的坐标，椭圆的长轴，椭圆的短轴
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////单色填充圆
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//g.FillEllipse(fillBrush, 200, 90, 100, 100);
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////image.Save(@"c:\1.jpg");
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#region 显示
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//pictureBox1.Image = (Image)image;
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//pictureBox1.Image.Save(@"c:\1.jpg");
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//pictureBox1.Show();
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#endregion
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//g1.Dispose();//释放由Graphics使用的资源
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//p.Dispose();
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}
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#region
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//protected override void OnPaint(PaintEventArgs e)
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//{
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// base.OnPaint(e);
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// int width = this.Width;
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// int height = this.Height;
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// int radius = width < height ? width : height;//以最短的边最为圆的直径
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// Graphics graphics = this.CreateGraphics();
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// //graphics.Clear( Color .FromArgb (255,240,240,240) );
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// Rectangle rectangle = new Rectangle(0, 0, radius, radius);
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// graphics.SmoothingMode = SmoothingMode.AntiAlias;//消除锯齿
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// Brush brush = new SolidBrush(Color.Blue);//指定画刷的颜色
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// graphics.FillEllipse(brush, new Rectangle(0, 0, radius, radius));//填充一个圆
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// Pen pen = new Pen(Color.Black, 2);//指定画笔的颜色和线宽
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// graphics.DrawEllipse(pen, rectangle);//绘制圆的边界
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// string text = this.Text;
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// brush = new SolidBrush(Color.Black);//指定画刷画文本的颜色
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// Font font = this.Font;
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// StringFormat sf = new StringFormat();
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// sf.Alignment = StringAlignment.Center;//字符水平对齐方式
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// sf.LineAlignment = StringAlignment.Center;//字符垂直对齐方式
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// graphics.DrawString(text, font, brush, new RectangleF(0, 0, radius, radius), sf);
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// #region 使控件的单击事件只在圆内触发，而不是在矩形控件范围内触发，消除在圆外和控件内的区域响应单机事件的bug
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// System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
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// path.AddEllipse(0, 0, radius, radius);
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// this.Region = new Region(path);
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// #endregion
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// //font.Dispose();//当控件的size改变时，如果调用了 font.Dispose()，那么font.Height会报异常，因为没有重新实例化font类，导致DrawString会报参数无效，所以也可以不调用font.dispose，这样就可以不用捕获异常了
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// brush.Dispose();
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// pen.Dispose();
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// graphics.Dispose();
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//}
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#endregion
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|
||
|
||
//点击关闭按钮时触发此函数。
|
||
//This event happened when the user closing the main form.
|
||
private void MainForm_Closing(object sender, CancelEventArgs e)
|
||
{
|
||
DisConnect();//断开连接
|
||
|
||
}
|
||
|
||
private void Photo_Form2_Load(object sender, EventArgs e)
|
||
{
|
||
//regist the form closing event.
|
||
//注册窗体关闭事件。
|
||
this.FormClosing += new FormClosingEventHandler(MainForm_Closing);
|
||
}
|
||
//------2023-10-19 xulu 添加上传图片功能-------
|
||
private Thread invokeThread;
|
||
private OpenFileDialog openFileDialog1;
|
||
private DialogResult result;
|
||
private void button1_Click(object sender, EventArgs e)
|
||
{
|
||
openFileDialog1 = new OpenFileDialog();
|
||
openFileDialog1.Filter = "图片文件(*.jpg,*.png)|*.jpg;*.png";
|
||
invokeThread = new Thread(new ThreadStart(InvokeMethod));
|
||
invokeThread.SetApartmentState(ApartmentState.STA);
|
||
invokeThread.Start();
|
||
invokeThread.Join();
|
||
|
||
if (result == DialogResult.OK)
|
||
{
|
||
if (openFileDialog1.FileName != "")
|
||
{
|
||
string file = openFileDialog1.FileName;//文件夹路径
|
||
string path = file.Substring(file.LastIndexOf("\\") + 1); //格式化处理，提取文件名
|
||
//File.Copy(file, Application.StartupPath + "\\cai\\" + lujin, false); //复制到的目录切记要加文件名！！！
|
||
//PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; //使图像拉伸或收缩，以适合PictureBox
|
||
this.pictureBox1.ImageLocation = file;
|
||
//返回前端
|
||
Bitmap bmp = new Bitmap(file);
|
||
MemoryStream ms = new MemoryStream();
|
||
bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
|
||
byte[] arr = new byte[ms.Length];
|
||
ms.Position = 0;
|
||
ms.Read(arr, 0, (int)ms.Length);
|
||
ms.Close();
|
||
string base64string = Convert.ToBase64String(arr);
|
||
img64 = "data:image/jpeg;base64," + base64string;
|
||
}
|
||
|
||
}
|
||
}
|
||
private void InvokeMethod()
|
||
{
|
||
result = openFileDialog1.ShowDialog();
|
||
}
|
||
//-----------------------------------------------------
|
||
}
|
||
}
|