private static void SetRotateInfo()
{
foreach (string s in Directory.GetFiles(@"..\..\..\testdata\pixrotate", "*"))
{
FileInfo fi = new FileInfo(s);
FIBITMAP?dib = ImageWorker.GetJPGImageHandle(fi);
if (dib != null)
{
ImageWorker.SetRotateInfo((FIBITMAP)dib, 8);
ImageWorker.SaveJPGImageHandle((FIBITMAP)dib, new FileInfo(fi.AugmentFilename("_rotinfo")));
}
}
}
/// <summary>
/// this aquires and frees a freeimage bitmap handle
/// see: http://sylvana.net/jpegcrop/exif_orientation.html
/// </summary>
/// <param name="fi">the file to rotate</param>
/// <param name="extension">if you want a different filename, it can be extended</param>
public static void AutoRotateImageFI(FileInfo fi, string extension)
{
string outname = fi.AugmentFilename(extension);
ushort rotateme;
if (GetRotInfo(fi, out rotateme))
{
bool imageWasChanged = DoLosslessRotation(fi, rotateme, outname);
if (imageWasChanged)
{
ResetRotationInfo(outname);
}
}
else
{
// tell anyone?
}
}