public ActionResult FileUpload(HttpPostedFileBase pictureToUpload)
{
var pictureExifs = new pictureExifMetaData();
if (pictureToUpload != null)
{
string pic = Path.GetFileName(pictureToUpload.FileName);
string path = Path.Combine(Server.MapPath("~/"), pic);
// file is uploaded
pictureToUpload.SaveAs(path);
pictureExifs = GetExifs(path);
// save the image path path to the database or you can send image
// directly to database
// in-case if you want to store byte[] ie. for DB
using (MemoryStream ms = new MemoryStream())
{
pictureToUpload.InputStream.CopyTo(ms);
byte[] array = ms.GetBuffer();
}
var titi = WebUtility.UrlEncode(path);
Uri toto = new Uri(path);
WebRequest wr = WebRequest.Create(toto);
}
// after successfully uploading redirect the user
return(View("Index", pictureExifs));
}
public JsonResult GetExifs(string pictureFile)
{
pictureExifMetaData pictureExifs = new pictureExifMetaData();
// Retrieve picture file path :
var pathPictureFile = Server.MapPath(pictureFile);
// Check if file path exists :
if (System.IO.File.Exists(pathPictureFile))
{
// Retrieve directories of picture file properties :
var pictureDirectories = ImageMetadataReader.ReadMetadata(pathPictureFile)
.ToList();
// 1° Read directories metadata files :
// Read "Exif IFD0" directory file :
var subIfd0Directory = pictureDirectories.OfType <ExifIfd0Directory>()
.FirstOrDefault();
// Read "Exif SubIFD" directory file :
var subIfdDirectory = pictureDirectories.OfType <ExifSubIfdDirectory>()
.FirstOrDefault();
// Read "MetadataDirectory" directory file :
var subMetadataDirectory = pictureDirectories.OfType <FileMetadataDirectory>()
.FirstOrDefault();
// 2° Get Exifs data from read file :
// Get the camera make :
pictureExifs.pictureCameraMake = GetExifData(subIfd0Directory, ExifDirectoryBase.TagMake);
// Get the camera model :
pictureExifs.pictureCameraModel = GetExifData(subIfd0Directory, ExifDirectoryBase.TagModel);
// Get original date time :
var datetimeString = GetExifData(subIfdDirectory, ExifDirectoryBase.TagDateTimeOriginal);
var picutreDateTimeValues = (!string.IsNullOrEmpty(datetimeString)) ?
GetDateTimeValues(datetimeString) :
new string[]
{
pictureExifMetaData.EmptyValue,
pictureExifMetaData.EmptyValue
};
pictureExifs.pictureOriginalDateTime = pictureExifMetaData.SpaceTabulation +
picutreDateTimeValues[0] +
pictureExifMetaData.SpaceTabulation +
picutreDateTimeValues[1];
// Get aperture value :
pictureExifs.pictureApertureValue = GetExifData(subIfdDirectory, ExifDirectoryBase.TagAperture);
// Get exposure time :
pictureExifs.pictureExposureTime = GetExifData(subIfdDirectory, ExifDirectoryBase.TagExposureTime);
// Get iso speed ratings :
var isoSpeedValues = GetExifData(subIfdDirectory, ExifDirectoryBase.TagIsoEquivalent);
pictureExifs.pictureIsoSpeedRatings = (isoSpeedValues != pictureExifMetaData.TabEmpty) ?
isoSpeedValues + pictureExifMetaData.ISO :
isoSpeedValues;
// Get picture flash :
pictureExifs.pictureFlash = GetExifData(subIfdDirectory, ExifDirectoryBase.TagFlash);
// Get focal length :
pictureExifs.pictureFocalLength = GetExifData(subIfdDirectory, ExifDirectoryBase.TagFocalLength);
// Get picture width :
pictureExifs.pictureWidth = DisplayPictureDimension(GetExifData(subIfdDirectory, ExifDirectoryBase.TagExifImageWidth));
// Get picture height :
pictureExifs.pictureHeight = DisplayPictureDimension(GetExifData(subIfdDirectory, ExifDirectoryBase.TagExifImageHeight));
// Get picture dimensions :
pictureExifs.pictureDimensions = (pictureExifs.pictureWidth != pictureExifMetaData.TabEmpty &&
pictureExifs.pictureHeight != pictureExifMetaData.TabEmpty) ?
(
pictureExifMetaData.SpaceTabulation +
pictureExifs.pictureWidth +
pictureExifMetaData.Times +
pictureExifs.pictureHeight +
pictureExifMetaData.Pixels
) :
pictureExifMetaData.TabEmpty;
// Get picture file size :
pictureExifs.pictureFileSize = DisplayPictureSize((GetExifData(subMetadataDirectory, FileMetadataDirectory.TagFileSize)));
return(Json(pictureExifs, JsonRequestBehavior.AllowGet));
}
return(Json(pictureExifs, JsonRequestBehavior.AllowGet));
}
