public void ResultIsJpeg (string name)
{
string path = CreateFile (name, 48);
IFilter filter = new JpegFilter ();
FilterRequest req = new FilterRequest (path);
filter.Convert (req);
using (ImageFile img = new JpegFile (req.Current)) {
Assert.IsTrue (img != null, "result is null");
Assert.IsTrue (img is JpegFile, "result is not a jpg");
}
System.IO.File.Delete (path);
}
public void ResultIsJpeg(string name)
{
string path = CreateFile(name, 48);
IFilter filter = new JpegFilter();
FilterRequest req = new FilterRequest(path);
filter.Convert(req);
using (ImageFile img = new JpegFile(req.Current)) {
Assert.IsTrue(img != null, "result is null");
Assert.IsTrue(img is JpegFile, "result is not a jpg");
}
System.IO.File.Delete(path);
}
private static void ProcessFile(string inputFileName, string outputFileName, long jpegQuality = 100)
{
LinkedList <Tuple <string, byte[]> > jpegSegments;
JpegFile jpegFile = new JpegFile();
Dictionary <string, string> panoDict;
byte[] extendedXMPURI = Encoding.UTF8.GetBytes("http://ns.adobe.com/xmp/extension/");
byte[] zeroByte = { 0x0 };
byte[] extendedXMPSignature = null;
string extendXMP = "";
// string inputJpeg = args[0];
// string outputJpeg = args[1];
ExifReadWrite exif = new ExifReadWrite();
using (var stream = File.OpenRead(inputFileName))
jpegSegments = jpegFile.Parse(stream);
bool xmpFound = false;
bool extendedXMPFound = false;
foreach (var segment in jpegSegments)
{
//Console.WriteLine(segment.Item1);
if (segment.Item1 == "EXIF")
{
exif.ReadExifAPP1(segment.Item2);
}
if (xmpFound != true && segment.Item1 == "APP1")
{
string start = Encoding.UTF8.GetString(segment.Item2, 0, 28);
if (start == "http://ns.adobe.com/xap/1.0/")
{
// XMP, extract the GPano if its there.
panoDict = jpegFile.ExtractGPano(Encoding.UTF8.GetString(segment.Item2, 29, segment.Item2.Length - 29));
string xmpMD5;
if (panoDict.TryGetValue("xmpNote:HasExtendedXMP", out xmpMD5))
{
extendedXMPSignature = extendedXMPURI.Concat(zeroByte).Concat(Encoding.UTF8.GetBytes(xmpMD5)).ToArray();
extendedXMPFound = true;
}
}
}
if (extendedXMPFound == true && segment.Item1 == "APP1" && jpegFile.segmentCompare(extendedXMPSignature, segment.Item2))
{
extendXMP += jpegFile.ProcessExtendedXMPSegemnt(segment.Item2, extendXMP.Length);
}
}
var md5 = System.Security.Cryptography.MD5.Create();
var md5hash = md5.ComputeHash(System.Text.Encoding.UTF8.GetBytes(extendXMP));
var sb = new StringBuilder();
for (int i = 0; i < md5hash.Length; i++)
{
sb.Append(md5hash[i].ToString("x2"));
}
if (extendXMP.Length > 0)
{
var newJpeg = jpegFile.ProcessExtendedXMPXML(extendXMP);
if (newJpeg != null)
{
jpegFile.WriteCombineImage(inputFileName, outputFileName, newJpeg, exif, jpegQuality);
}
}
}
public bool Convert(FilterRequest req)
{
string source = req.Current.LocalPath;
System.Uri dest_uri = req.TempUri(System.IO.Path.GetExtension(source));
string dest = dest_uri.LocalPath;
using (ImageFile img = ImageFile.Create(source)) {
bool changed = false;
if (img.Orientation != PixbufOrientation.TopLeft && img is JpegFile)
{
JpegFile jimg = img as JpegFile;
if (img.Orientation == PixbufOrientation.RightTop)
{
JpegUtils.Transform(source,
dest,
JpegUtils.TransformType.Rotate90);
changed = true;
}
else if (img.Orientation == PixbufOrientation.LeftBottom)
{
JpegUtils.Transform(source,
dest,
JpegUtils.TransformType.Rotate270);
changed = true;
}
else if (img.Orientation == PixbufOrientation.BottomRight)
{
JpegUtils.Transform(source,
dest,
JpegUtils.TransformType.Rotate180);
changed = true;
}
int width, height;
jimg = ImageFile.Create(dest) as JpegFile;
PixbufUtils.GetSize(dest, out width, out height);
jimg.SetOrientation(PixbufOrientation.TopLeft);
jimg.SetDimensions(width, height);
Gdk.Pixbuf pixbuf = new Gdk.Pixbuf(dest, 160, 120, true);
jimg.SetThumbnail(pixbuf);
pixbuf.Dispose();
jimg.SaveMetaData(dest);
jimg.Dispose();
}
if (changed)
{
req.Current = dest_uri;
}
return(changed);
}
}
