Resim exif kaldırmak 2

Resimden exif kaldırma

using System;
using System.IO;
using System.Windows.Media.Imaging;

namespace ExifRemover
{
public class ExifReader
{
public void SetUpMetadataOnImage(string filename)
{
string tempName = Path.Combine(Path.GetDirectoryName(filename), Guid.NewGuid().ToString());
// open image file to read
using (Stream file = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
// create the decoder for the original file. The BitmapCreateOptions and BitmapCacheOption denote
// a lossless transocde. We want to preserve the pixels and cache it on load. Otherwise, we will lose
// quality or even not have the file ready when we save, resulting in 0b of data written
BitmapDecoder original = BitmapDecoder.Create(file, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.None);
// create an encoder for the output file
BitmapEncoder output = null;
string ext = Path.GetExtension(filename);
switch (ext)
{
case ".png":
output = new PngBitmapEncoder();
break;
case ".jpg":
output = new JpegBitmapEncoder();
break;
case ".tif":
output = new TiffBitmapEncoder();
break;
}

if (original.Frames[0] != null && original.Frames[0].Metadata != null)
{
// So, we clone the object since it's frozen.
BitmapFrame frameCopy = (BitmapFrame)original.Frames[0].Clone();
BitmapMetadata metadata = original.Frames[0].Metadata.Clone() as BitmapMetadata;

StripMeta(metadata);

// finally, we create a new frame that has all of this new metadata, along with the data that was in the original message
output.Frames.Add(BitmapFrame.Create(frameCopy, frameCopy.Thumbnail, metadata, frameCopy.ColorContexts));
}
// finally, save the new file over the old file
using (Stream outputFile = File.Open(tempName, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
{
output.Save(outputFile);
}
}
File.Delete(filename);
File.Move(tempName, filename);
}

public void StripMeta(BitmapMetadata metaData)
{
for (int i = 270; i < 42016; i++)
{
if (i == 274 || i == 277 || i == 284 || i == 530 || i == 531 || i == 282 || i == 283 || i == 296) continue;

string query = "/app1/ifd/exif:{uint=" + i + "}";
BlankMetaInfo(query, metaData);

query = "/app1/ifd/exif/subifd:{uint=" + i + "}";
BlankMetaInfo(query, metaData);

query = "/ifd/exif:{uint=" + i + "}";
BlankMetaInfo(query, metaData);

query = "/ifd/exif/subifd:{uint=" + i + "}";
BlankMetaInfo(query, metaData);
}

for (int i = 0; i < 4; i++)
{
string query = "/app1/ifd/gps/{ulong=" + i + "}";
BlankMetaInfo(query, metaData);
query = "/ifd/gps/{ulong=" + i + "}";
BlankMetaInfo(query, metaData);
}
}

private void BlankMetaInfo(string query, BitmapMetadata metaData)
{
object obj = metaData.GetQuery(query);
if (obj != null)
{
if (obj is string)
metaData.SetQuery(query, string.Empty);
else
{
ulong dummy;
if (ulong.TryParse(obj.ToString(), out dummy))
{
metaData.SetQuery(query, 0);
}

}
}
}
}
}