ImageGeoCoordUtil.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    public struct GeoCoord
    {
        /// <summary>
        /// 经度
        /// </summary>
        public double Longitude;
        /// <summary>
        /// 纬度
        /// </summary>
        public double Latitude;
        /// <summary>
        /// 高度
        /// </summary>
        public double Altitude;
    }
    /// <summary>
    /// exif
    /// </summary>
    public class ImageGeoCoordUtil
    {
        public static GeoCoord ParseLonLat(string image)
        {
            GeoCoord geoCoord = new GeoCoord();
            string s_GPS = "";
            //载入图片
            using (Image objImage = Image.FromFile(image))
            {
                //取得所有的属性(以PropertyId做排序)
                var propertyItems = objImage.PropertyItems.OrderBy(x => x.Id).ToArray();
                //暂定纬度N(北纬)
                char chrGPSLatitudeRef = 'N';
                //暂定经度为E(东经)
                char chrGPSLongitudeRef = 'E';
                foreach (PropertyItem objItem in propertyItems)
                {
                    //只取Id范围为0x0000到0x001e
                    if (objItem.Id >= 0x0000 && objItem.Id <= 0x001e)
                    {
                        //objItem.Id = 0x0002;
                        switch (objItem.Id)
                        {
                            case 0x0000:
                                var query = from tmpb in objItem.Value select tmpb.ToString();
                                string sreVersion = String.Join(".", query.ToArray());
                                s_GPS += sreVersion + "+";
                                break;
                            case 0x0001:
                                chrGPSLatitudeRef = BitConverter.ToChar(objItem.Value, 0);
                                s_GPS += chrGPSLatitudeRef + "+";
                                break;