public static void rotateCheckingPreview(ref System.Drawing.Image imgPreview, string path)
{
var directories = MetadataExtractor.ImageMetadataReader.ReadMetadata(path);
string orientationTag = "";
foreach (var directory in directories)
{
foreach (var tag in directory.Tags)
{
if (tag.Name == "Orientation" && directory.Name == "Exif IFD0")
{
orientationTag = tag.Description;
break;
}
}
if (directory.HasError)
{
foreach (var error in directory.Errors)
{
Console.WriteLine($"ERROR: {error}");
}
}
}
Console.WriteLine(orientationTag);
Regex rx = new Regex(@"rotate\s+[0-9]{1,3}(cw|ccw|\s){0,1}", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Regex rx2 = new Regex(@"(cw|ccw)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Regex rx3 = new Regex(@"cw", RegexOptions.Compiled | RegexOptions.IgnoreCase);
if (rx.IsMatch(orientationTag))
{
Match matchDegree = Regex.Match(orientationTag, @"[0-9]{1,3}");
Match matchType = rx2.Match(orientationTag);
degree = double.Parse(matchDegree.Value.ToString());
if (!rx3.IsMatch(matchType.Value))
{
degree = -degree;
}
switch (degree)
{
case 90: imgPreview.RotateFlip(System.Drawing.RotateFlipType.Rotate90FlipNone); break;
case 180: imgPreview.RotateFlip(System.Drawing.RotateFlipType.Rotate180FlipNone); break;
case 270: imgPreview.RotateFlip(System.Drawing.RotateFlipType.Rotate270FlipNone); break;
case -90: imgPreview.RotateFlip(System.Drawing.RotateFlipType.Rotate270FlipNone); break;
case -180: imgPreview.RotateFlip(System.Drawing.RotateFlipType.Rotate180FlipNone); break;
case -270: imgPreview.RotateFlip(System.Drawing.RotateFlipType.Rotate90FlipNone); break;
}
}
}
private void listBoxImageFile_MouseClick(object sender, MouseEventArgs e)
{
int count = 0;
foreach (ImageSelection img in listBoxImageFile.SelectedItems)
{
count++;
}
if (count == 1)
{
foreach (ImageSelection img in listImages)
{
if (img.ToString() == listBoxImageFile.SelectedItem.ToString())
{
System.Drawing.Image imgPreview = System.Drawing.Image.FromFile(img.getPath());
OrientationChecking.rotateCheckingPreview(ref imgPreview, img.getPath());
pictureBoxPreview.Image = imgPreview; break;
}
}
}
else
{
pictureBoxPreview.Image = null;
}
}
