public void Execute()
{
var files = Directory.GetFiles(SourceFolder, "*.jpg");
foreach (var file in files)
{
try
{
DateTime dt;
using (var em = new ExifManager(file))
{
dt = em.DateTimeOriginal;
}
if (dt == DateTime.MinValue) continue;
var fi = new FileInfo(file);
var newName = Path.Combine(DestinantionFolder,
string.Format("{0}.jpg", dt.ToString("yyyy-MM-dd_HH.mm.ss")));
fi.MoveTo(newName);
}
catch
{
}
}
}
/// <summary>
/// 获取角度
/// </summary>
/// <param name="filepath">图片路径</param>
/// <returns></returns>
/// liuyicong 2017-01-17
private int GetOrientation(string filepath)
{
ExifManager exif = new ExifManager(filepath);
int orien = (int)exif.Orientation;
exif.Dispose();
return(orien);
}
private async void addPhotoAsync(object obj)
{
_vpoint.Version++;
_vpoint.Save();
bool b = await CrossMedia.Current.Initialize();
if (CrossMedia.Current.IsPickPhotoSupported)
{
MediaFile photoPicked = null;
PermissionManager permissions = new PermissionManager();
if (await permissions.PermissionGrantedAsync(Plugin.Permissions.Abstractions.Permission.Photos, CommonResource.RoutePoint_RightNeedToPickPhoto))
{
try
{
photoPicked = await CrossMedia.Current.PickPhotoAsync();
}
catch (Exception e)
{
photoPicked = null;
HandleError.Process("RoutePoint", "AddPhoto", e, false);
}
}
if (photoPicked != null)
{
string imgPathDirectory = ImagePathManager.GetPicturesDirectory();
string mediaId = Guid.NewGuid().ToString();
//используем метод создания превью для того, чтобы сделать основное фото из оригинального, но с уменьшенным качеством
ImagePreviewManager resizedOriginal = new ImagePreviewManager();
resizedOriginal.PreviewHeight = 0;
resizedOriginal.PreviewWidth = 0;
resizedOriginal.PreviewQuality = 40;
FileInfo originalFileInfo = new FileInfo(photoPicked.Path);
if (resizedOriginal.CreateImagePreview(originalFileInfo.DirectoryName, originalFileInfo.Name,
imgPathDirectory, ImagePathManager.GetMediaFilename(mediaId, MediaObjectTypeEnum.Image, false)))
{
ImagePreviewManager preview = new ImagePreviewManager();
if (preview.CreateImagePreview(originalFileInfo.DirectoryName, originalFileInfo.Name,
imgPathDirectory, ImagePathManager.GetMediaFilename(mediaId, MediaObjectTypeEnum.Image, true)))
{
ExifManager exif = new ExifManager();
var coords = exif.GetCoordinates(photoPicked.Path);
if ((coords.Latitude > 0 && coords.Longitude > 0) && await App.Current.MainPage.DisplayAlert(CommonResource.RoutePoint_GeotagsExists,
CommonResource.RoutePoint_UseGeotagsForPoint, CommonResource.CommonMsg_Yes, CommonResource.CommonMsg_No))
{
Latitude = coords.Latitude;
Longitude = coords.Longitude;
_vpoint.Address = string.Empty;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Latitude"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Longitude"));
FillAddressByCoordinatesAsync(Latitude, Longitude);
}
_vpoint.AddMediaItem(mediaId, MediaObjectTypeEnum.Image);
ApplyChanges();
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Images"));
Analytics.TrackEvent("Media: photo added");
}
else
{
Analytics.TrackEvent("Media: add photo error create preview ", new Dictionary <string, string> {
{ "mediaId", mediaId }
});
}
}
else
{
Analytics.TrackEvent("Media: error resize photo ", new Dictionary <string, string> {
{ "mediaId", mediaId }
});
}
}
}
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ExifManager obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
