实例介绍
【实例简介】
UVC演示程序
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.Drawing;
using SharpCamera;
using System.Windows.Forms;
namespace SharpCameraDemo
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
#region 变量
private Camera curCamera = null;
private CameraMgr cameraMgr = null;
#endregion
#region 事件
private void Form2_Load(object sender, EventArgs e)
{
//在调用SharpCamera类库其他任何类和方法之前,必须先调用本方法设置授权Key,如果是试用,则传入Test即可。
//试用版有时间限制,只能运行十分钟,之后会被加水印,正式授权请访问: http://sharpcamera.zzsgzn.com/?SharpCameraDemo
KeyMgr.SetKey("Test");
//实例化一个CameraMgr
cameraMgr = new CameraMgr();
//得到当前计算机的所有已安装摄像头
List<string> lstCameraNameInstalled = cameraMgr.GetCameraNameList();
if (lstCameraNameInstalled != null)
{
foreach (string item in lstCameraNameInstalled)
{
cmbBoxCamera.Items.Add(item);
}
}
if (cmbBoxCamera.Items.Count > 0)
{
cmbBoxCamera.SelectedIndex = 0;
}
}
public void VideoFrameCaptrue(Bitmap img)
{
Bitmap temp = ((Bitmap)img).Clone(new Rectangle(0, 0, img.Width, img.Height), img.PixelFormat);
if (this.InvokeRequired)
{
this.pictureBox1.BeginInvoke(new MethodInvoker(delegate ()
{
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
pictureBox1.Image = null;
}
this.pictureBox1.Image = temp;
}));
}
else
{
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
pictureBox1.Image = null;
}
this.pictureBox1.Image = temp;
}
}
private void cmbBoxCamera_SelectedIndexChanged(object sender, EventArgs e)
{
if (cmbBoxCamera.SelectedIndex != -1)
{
if (curCamera != null)
{
//取消对当前摄像头帧图片的订阅
curCamera.OnVideoFrameCaptrue -= VideoFrameCaptrue;
//关掉该摄像头
curCamera.Close();
//释放资源
curCamera.Dispose();
curCamera = null;
}
//按照当前选定的名字,打开该摄像头
string name = cmbBoxCamera.Items[cmbBoxCamera.SelectedIndex].ToString().Trim();
//选定该摄像头
curCamera = cameraMgr.ChooseCamera(name);
//打开该摄像头
curCamera.Open();
//清空分辨率列表,用当前打开的摄像头的分辨率列表来填充
cmbBoxResolution.Items.Clear();
if (curCamera != null)
{
//订阅帧图片上报的事件
curCamera.OnVideoFrameCaptrue = VideoFrameCaptrue;
foreach (CameraResolution item in curCamera.AllSupportedResolution)
{
cmbBoxResolution.Items.Add(item.ToString());
}
if (cmbBoxResolution.Items.Count > 0)
{
//默认使用第一个分辨率
cmbBoxResolution.SelectedIndex = 0;
//默认不旋转
cmbBoxRotate.SelectedIndex = 0;
}
}
}
}
private void cmbBoxResolution_SelectedIndexChanged(object sender, EventArgs e)
{
//切换分辨率
if (curCamera != null && cmbBoxResolution.SelectedIndex != -1)
{
string[] arr = cmbBoxResolution.Text.Split(new char[] { ' ' });
if (arr.Length == 3)
{
try
{
//修改当前分辨率
curCamera.Resolution = new CameraResolution(int.Parse(arr[0]), int.Parse(arr[2]));
//消除翻转,恢复默认的0度
curCamera.RotateVideo(VideoRotateTypeEnum.Angle0);
}
catch { }
}
}
}
private void cmbBoxRotate_SelectedIndexChanged(object sender, EventArgs e)
{
//设置旋转角度
if (cmbBoxRotate.SelectedIndex != -1)
{
if (curCamera != null)
{
if (cmbBoxRotate.SelectedIndex == 0)
{
curCamera.RotateVideo(VideoRotateTypeEnum.Angle0);
}
else if (cmbBoxRotate.SelectedIndex == 1)
{
curCamera.RotateVideo(VideoRotateTypeEnum.Angle90);
}
else if (cmbBoxRotate.SelectedIndex == 2)
{
curCamera.RotateVideo(VideoRotateTypeEnum.Angle180);
}
else if (cmbBoxRotate.SelectedIndex == 3)
{
curCamera.RotateVideo(VideoRotateTypeEnum.Angle270);
}
}
}
}
private void Form2_FormClosing(object sender, FormClosingEventArgs e)
{
//退出时释放资源
if (curCamera != null)
{
curCamera.Close();
curCamera.Dispose();
curCamera = null;
}
if (cameraMgr != null)
{
cameraMgr.Dispose();
cameraMgr = null;
}
}
#endregion
#region 属性设置面板
private void btnShowSettingDialog_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//显示参数的设置对话框,一般项目里很少使用
curCamera.ShowPropertyPage();
}
}
#endregion
#region 版权
private void button5_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("http://sharpcamera.zzsgzn.com/?SharpCameraDemo");
}
private void button4_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("http://www.zzsgzn.com/?SharpCameraDemo");
}
private void button3_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("http://wpa.qq.com/msgrd?v=3&uin=3535600244&site=qq&menu=yes");
}
#endregion
#region 亮度
private void btnBrightness1_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取亮度的属性对象
CameraProperty brightnessPro = curCamera.Brightness;
//调整其值到最大值,也可以指定为其他合法值
brightnessPro.Current = brightnessPro.Max;
}
}
private void btnBrightness2_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取亮度的属性对象
CameraProperty brightnessPro = curCamera.Brightness;
//调整其值到最小值,也可以指定为其他合法值
brightnessPro.Current = brightnessPro.Min;
}
}
private void btnBrightness3_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取亮度的属性对象
CameraProperty brightnessPro = curCamera.Brightness;
//调整其值到默认值,也可以指定为其他合法值
brightnessPro.Current = brightnessPro.Default;
}
}
#endregion
#region 对比度
private void button6_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取对比度的属性对象
CameraProperty pro = curCamera.Contrast;
//调整其值到最大值,也可以指定为其他合法值
pro.Current = pro.Max;
}
}
private void button2_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取对比度的属性对象
CameraProperty pro = curCamera.Contrast;
//调整其值到最小值,也可以指定为其他合法值
pro.Current = pro.Min;
}
}
private void button1_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取对比度的属性对象
CameraProperty pro = curCamera.Contrast;
//调整其值到默认值,也可以指定为其他合法值
pro.Current = pro.Default;
}
}
#endregion
#region 清晰度
private void button9_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取清晰度的属性对象
CameraProperty pro = curCamera.Sharpness;
//调整其值到最大值,也可以指定为其他合法值
pro.Current = pro.Max;
}
}
private void button8_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取清晰度的属性对象
CameraProperty pro = curCamera.Sharpness;
//调整其值到最小值,也可以指定为其他合法值
pro.Current = pro.Min;
}
}
private void button7_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取清晰度的属性对象
CameraProperty pro = curCamera.Sharpness;
//调整其值到默认值,也可以指定为其他合法值
pro.Current = pro.Default;
}
}
#endregion
#region 逆光对比
private void button14_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取逆光对比的属性对象
CameraProperty pro = curCamera.BacklightCompensation;
//调整其值到最大值,也可以指定为其他合法值
pro.Current = pro.Max;
}
}
private void button13_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取逆光对比的属性对象
CameraProperty pro = curCamera.BacklightCompensation;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Min;
}
}
private void button10_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取逆光对比的属性对象
CameraProperty pro = curCamera.BacklightCompensation;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Default;
}
}
#endregion
#region 曝光
private void button17_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取曝光的属性对象
CameraProperty pro = curCamera.Exposure;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Max;
}
}
private void button16_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取曝光的属性对象
CameraProperty pro = curCamera.Exposure;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Min;
}
}
private void button15_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取曝光的属性对象
CameraProperty pro = curCamera.Exposure;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Default;
}
}
#endregion
#region 焦点
private void button20_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取曝光的属性对象
CameraProperty pro = curCamera.Focus;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Max;
}
}
private void button19_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取曝光的属性对象
CameraProperty pro = curCamera.Focus;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Min;
}
}
private void button18_Click(object sender, EventArgs e)
{
if (curCamera != null)
{
//获取曝光的属性对象
CameraProperty pro = curCamera.Focus;
//调整其值,也可以指定为其他合法值
pro.Current = pro.Default;
}
}
#endregion
}
}
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