From 15eabfdabf30973c1e99b015060b7da2190ccdf1 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期六, 06 一月 2024 15:47:26 +0800
Subject: [PATCH] 获取图片的GPS信息
---
JiangSu/cs/Tools.cs | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 104 insertions(+), 0 deletions(-)
diff --git a/JiangSu/cs/Tools.cs b/JiangSu/cs/Tools.cs
index 69e3b2e..c4e9961 100644
--- a/JiangSu/cs/Tools.cs
+++ b/JiangSu/cs/Tools.cs
@@ -3,8 +3,12 @@
using System.Collections.Generic;
using System.Data.Common;
using System.Data.SQLite;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
using System.Linq;
using System.Reflection;
+using System.Security.Cryptography;
using System.Web;
namespace JiangSu.cs
@@ -92,5 +96,105 @@
return list.ToArray();
}
+
+ /// <summary>
+ /// 瀛楄妭鏍煎紡鍖�
+ /// </summary>
+ public static string FormatBytes(long bytes)
+ {
+ string[] Suffix = { "Byte", "KB", "MB", "GB", "TB" };
+
+ int i = 0;
+ double dblSByte = bytes;
+ if (bytes > 1024)
+ for (i = 0; (bytes / 1024) > 0; i++, bytes /= 1024)
+ dblSByte = bytes / 1024.0;
+
+ return String.Format("{0:0.##}{1}", dblSByte, Suffix[i]);
+ }
+
+ /// <summary>
+ /// 璁＄畻鏂囦欢鐨凪D5鐮�
+ /// </summary>
+ public static string CalcFileMD5(string filePath)
+ {
+ using (var md5 = new MD5CryptoServiceProvider())
+ {
+ using (var stream = File.OpenRead(filePath))
+ {
+ byte[] hash = md5.ComputeHash(stream);
+ return BitConverter.ToString(hash).Replace("-", "").ToLower();
+ }
+ }
+ }
+
+ /// <summary>
+ /// 鑾峰彇鍥剧墖鐨凣PS淇℃伅
+ /// </summary>
+ public static string GetImgGps(string path)
+ {
+ Image img = null;
+ try
+ {
+ img = Image.FromFile(path);
+ var items = img.PropertyItems.OrderByDescending(x => x.Id);
+
+ List<string> list = new List<string> { "0", "0", "0" };
+ foreach (PropertyItem item in items)
+ {
+ if (item.Id >= 0x0000 && item.Id <= 0x001e) // 鍙彇Id鑼冨洿涓�0x0000鍒�0x001e
+ {
+ switch (item.Id)
+ {
+ case 0x0002: // 璁剧疆绾害
+ list[1] = GetGpsVal(item.Value);
+ break;
+ case 0x0004: // 璁剧疆缁忓害
+ list[0] = GetGpsVal(item.Value);
+ break;
+ case 0x0006:
+ if (item.Value.Length == 8)
+ {
+ double altitude = BitConverter.ToUInt32(item.Value, 0) * 1.0d / BitConverter.ToUInt32(item.Value, 4);
+ list[2] = altitude.ToString("0.000");
+ }
+ break;
+ }
+ }
+ }
+
+ return string.Format("POINT Z ({0})", string.Join(" ", list.ToArray()));
+ }
+ catch (Exception ex)
+ {
+ LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
+ return null;
+ }
+ finally
+ {
+ if (null != img) img.Dispose();
+ }
+ }
+
+ /// <summary>
+ /// 鑾峰彇GPS鍊�
+ /// </summary>
+ private static string GetGpsVal(byte[] bytes)
+ {
+ if (bytes.Length != 24) return "0";
+
+ //degrees(灏哹yte[0]~byte[3]杞垚uint, 闄や互byte[4]~byte[7]杞垚鐨剈int)
+ double d = BitConverter.ToUInt32(bytes, 0) * 1.0d / BitConverter.ToUInt32(bytes, 4);
+
+ //minutes(灏哹yte[8]~byte[11]杞垚uint, 闄や互byte[12]~byte[15]杞垚鐨剈int)
+ double m = BitConverter.ToUInt32(bytes, 8) * 1.0d / BitConverter.ToUInt32(bytes, 12);
+
+ //seconds(灏哹yte[16]~byte[19]杞垚uint, 闄や互byte[20]~byte[23]杞垚鐨剈int)
+ double s = BitConverter.ToUInt32(bytes, 16) * 1.0d / BitConverter.ToUInt32(bytes, 20);
+
+ double val = (((s / 60 + m) / 60) + d);
+
+ return val.ToString("0.00000000");
+ }
}
}
--
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