- using UnityEngine;
- using System.Collections;
- using System;
- using System.Runtime.InteropServices;
- [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
- public class OpenFileName
- {
- public int structSize = 0;
- public IntPtr dlgOwner = IntPtr.Zero;
- public IntPtr instance = IntPtr.Zero;
- public String filter = null;
- public String customFilter = null;
- public int maxCustFilter = 0;
- public int filterIndex = 0;
- public String file = null;
- public int maxFile = 0;
- public String fileTitle = null;
- public int maxFileTitle = 0;
- public String initialDir = null;
- public String title = null;
- public int flags = 0;
- public short fileOffset = 0;
- public short fileExtension = 0;
- public String defExt = null;
- public IntPtr custData = IntPtr.Zero;
- public IntPtr hook = IntPtr.Zero;
- public String templateName = null;
- public IntPtr reservedPtr = IntPtr.Zero;
- public int reservedInt = 0;
- public int flagsEx = 0;
- }
- public class WindowDll
- {
- [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
- public static extern bool GetOpenFileName([In, Out] OpenFileName ofn);
- public static bool GetOpenFileName1([In, Out] OpenFileName ofn)
- {
- return GetOpenFileName(ofn);
- }
- }
- using UnityEngine;
- using System.Collections;
- using System.Runtime.InteropServices;
- using System.Reflection;
- public class CameraTest : MonoBehaviour
- {
- public WebCamTexture cameraTexture;
- public string cameraName = "";
- private bool isPlay = false;
- // Use this for initialization
- void Start()
- {
- //StartCoroutine(OpenCamera());
- }
- // Update is called once per frame
- void Update()
- {
- }
- /// <summary>
- /// 获取权限打开摄像头
- /// </summary>
- /// <returns></returns>
- IEnumerator OpenCamera()
- {
- yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
- if (Application.HasUserAuthorization(UserAuthorization.WebCam))
- {
- WebCamDevice[] devices = WebCamTexture.devices;
- cameraName = devices[0].name;
- cameraTexture = new WebCamTexture(cameraName, 320, 240, 15);
- cameraTexture.Play();
- isPlay = true;
- }
- }
- void OnGUI()
- {
- if (isPlay)
- {
- GUI.DrawTexture(new Rect(0, 0, 320, 240), cameraTexture, ScaleMode.ScaleAndCrop);
- }
- if (GUI.Button(new Rect(0, 0, 100, 35), "OpenDialog"))
- {
- OpenFileName ofn = new OpenFileName();
- ofn.structSize = Marshal.SizeOf(ofn);
- ofn.filter = "All Files\0*.*\0\0";
- ofn.file = new string(new char[256]);
- ofn.maxFile = ofn.file.Length;
- ofn.fileTitle = new string(new char[64]);
- ofn.maxFileTitle = ofn.fileTitle.Length;
- string path = Application.streamingAssetsPath;
- path = path.Replace('/','\\');
- //默认路径
- ofn.InitialDirectory = path;
- //ofn.InitialDirectory = "D:\\MyProject\\UnityOpenCV\\Assets\\StreamingAssets";
- ofn.title = "Open Project";
- ofn.defExt = "JPG";//显示文件的类型
- //注意 一下项目不一定要全选 但是0x00000008项不要缺少
- ofn.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000200 | 0x00000008;//OFN_EXPLORER|OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST| OFN_ALLOWMULTISELECT|OFN_NOCHANGEDIR
- if (WindowDll.GetOpenFileName(ofn))
- {
- Debug.Log("Selected file with full path: {0}" + ofn.file);
- }
- }
- }
- }
文件的类型设置
- ofn.filter = "图片文件(*.jpg*.png)\0*.jpg;*.png";