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 Vr180Jpeg SplitImage(string orginalJpeg, string format, long newJpegQuailty)
{
Bitmap firstHalf, secondHalf;
Bitmap originalImage = new Bitmap(Image.FromFile(orginalJpeg));
Rectangle rect;
switch (format)
{
case "lr":
rect = new Rectangle(0, 0, originalImage.Width / 2, originalImage.Height);
firstHalf = originalImage.Clone(rect, originalImage.PixelFormat);
rect = new Rectangle(originalImage.Width / 2, 0, originalImage.Width / 2, originalImage.Height);
secondHalf = originalImage.Clone(rect, originalImage.PixelFormat);
break;
case "rl":
rect = new Rectangle(originalImage.Width / 2, 0, originalImage.Width / 2, originalImage.Height);
firstHalf = originalImage.Clone(rect, originalImage.PixelFormat);
rect = new Rectangle(0, 0, originalImage.Width / 2, originalImage.Height);
secondHalf = originalImage.Clone(rect, originalImage.PixelFormat);
break;
case "tb":
rect = new Rectangle(0, 0, originalImage.Width, originalImage.Height / 2);
firstHalf = originalImage.Clone(rect, originalImage.PixelFormat);
rect = new Rectangle(0, originalImage.Height / 2, originalImage.Width, originalImage.Height / 2);
secondHalf = originalImage.Clone(rect, originalImage.PixelFormat);
break;
case "bt":
rect = new Rectangle(0, originalImage.Height / 2, originalImage.Width, originalImage.Height / 2);
firstHalf = originalImage.Clone(rect, originalImage.PixelFormat);
rect = new Rectangle(0, 0, originalImage.Width, originalImage.Height / 2);
secondHalf = originalImage.Clone(rect, originalImage.PixelFormat);
break;
default:
firstHalf = null;
secondHalf = null;
break;
}
originalImage.Dispose();
var exiflib = new ExifReadWrite();
using (FileStream fs = new FileStream(orginalJpeg, FileMode.Open, FileAccess.Read)) {
var segments = Parse(fs);
foreach (var segment in segments)
{
if (segment.Item1 == "EXIF")
{
exiflib.ReadExifAPP1(segment.Item2);
}
}
}
return(new Vr180Jpeg(firstHalf, secondHalf, exiflib, newJpegQuailty));
}
