private void SetExifData()
{
// GPS version
var image = Image;
var exif = new ExifWorks.ExifWorks(ref image);
// center coordinate
var center = new LongLat();
foreach (var corner in Document.GetMapCornersLongLat())
{
center += corner / 4;
}
var ver = new byte[] { 2, 2, 0, 0 };
var longitudeRef = new byte[] { Convert.ToByte(center.Longitude < 0 ? 'W' : 'E'), 0 };
var longitude = ExifUtil.GetExifGpsCoordinate(center.Longitude);
var latitudeRef = new byte[] { Convert.ToByte(center.Latitude < 0 ? 'S' : 'N'), 0 };
var latitude = ExifUtil.GetExifGpsCoordinate(center.Latitude);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsVer, ver, ExifWorks.ExifWorks.ExifDataTypes.UnsignedLong);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLongitudeRef, longitudeRef, ExifWorks.ExifWorks.ExifDataTypes.AsciiString);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLongitude, longitude, ExifWorks.ExifWorks.ExifDataTypes.UnsignedRational);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLatitudeRef, latitudeRef, ExifWorks.ExifWorks.ExifDataTypes.AsciiString);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLatitude, latitude, ExifWorks.ExifWorks.ExifDataTypes.UnsignedRational);
if (Properties.EncodingInfo.Encoder.MimeType == "image/jpeg")
{
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.JPEGQuality, new byte[] { (byte)(100 * ((JpegEncodingInfo)Properties.EncodingInfo).Quality) }, ExifWorks.ExifWorks.ExifDataTypes.UnsignedByte);
}
exif.SetPropertyString((int)ExifWorks.ExifWorks.TagNames.SoftwareUsed, Strings.QuickRoute + " " + Document.GetVersionString());
}
/// <summary>
/// Opens a document from a jpeg file with embedded QuickRoute Jpeg Extension Data.
/// </summary>
/// <param name="fileName">The file name of the jpeg file.</param>
/// <param name="settings">The document settings to apply.</param>
/// <returns>A QuickRoute document if the jpeg file contains QuickRoute Jpeg Extension Data, otherwise null.</returns>
public static Document OpenFromJpeg(string fileName, DocumentSettings settings)
{
var ed = QuickRouteJpegExtensionData.FromJpegFile(fileName);
if (ed == null)
{
return(null);
}
var mapAndBorderImage = (Bitmap)Image.FromFile(fileName);
var mapImage = new Bitmap(ed.MapLocationAndSizeInPixels.Width, ed.MapLocationAndSizeInPixels.Height);
using (var g = Graphics.FromImage(mapImage))
{
g.DrawImage(mapAndBorderImage,
new Rectangle(0, 0, ed.MapLocationAndSizeInPixels.Width, ed.MapLocationAndSizeInPixels.Height),
ed.MapLocationAndSizeInPixels,
GraphicsUnit.Pixel);
}
foreach (var pi in mapAndBorderImage.PropertyItems)
{
mapImage.SetPropertyItem(pi);
}
var exif = new ExifWorks.ExifWorks(ref mapAndBorderImage);
var qualityByteArray = exif.GetProperty((int)ExifWorks.ExifWorks.TagNames.JPEGQuality, new byte[] { 80 });
var encodingInfo = new JpegEncodingInfo((double)qualityByteArray[0] / 100);
using (var ms = new MemoryStream())
{
mapImage.Save(ms, encodingInfo.Encoder, encodingInfo.EncoderParams);
var document = new Document(new Map(ms), settings)
{
Sessions = ed.Sessions
};
if (document.Sessions.Count > 0)
{
document.ProjectionOrigin = document.Sessions[0].ProjectionOrigin;
}
document.FileName = fileName;
document.FileFormat = QuickRouteFileFormat.Jpeg;
document.Initialize();
mapAndBorderImage.Dispose();
mapImage.Dispose();
return(document);
}
}
/// <summary>
/// Opens a document from a jpeg file with embedded QuickRoute Jpeg Extension Data.
/// </summary>
/// <param name="fileName">The file name of the jpeg file.</param>
/// <param name="settings">The document settings to apply.</param>
/// <returns>A QuickRoute document if the jpeg file contains QuickRoute Jpeg Extension Data, otherwise null.</returns>
public static Document OpenFromJpeg(string fileName, DocumentSettings settings)
{
var ed = QuickRouteJpegExtensionData.FromJpegFile(fileName);
if (ed == null) return null;
var mapAndBorderImage = (Bitmap)Image.FromFile(fileName);
var mapImage = new Bitmap(ed.MapLocationAndSizeInPixels.Width, ed.MapLocationAndSizeInPixels.Height);
using(var g = Graphics.FromImage(mapImage))
{
g.DrawImage(mapAndBorderImage,
new Rectangle(0, 0, ed.MapLocationAndSizeInPixels.Width, ed.MapLocationAndSizeInPixels.Height),
ed.MapLocationAndSizeInPixels,
GraphicsUnit.Pixel);
}
foreach(var pi in mapAndBorderImage.PropertyItems)
{
mapImage.SetPropertyItem(pi);
}
var exif = new ExifWorks.ExifWorks(ref mapAndBorderImage);
var qualityByteArray = exif.GetProperty((int)ExifWorks.ExifWorks.TagNames.JPEGQuality, new byte[] { 80 });
var encodingInfo = new JpegEncodingInfo((double)qualityByteArray[0] / 100);
using (var ms = new MemoryStream())
{
mapImage.Save(ms, encodingInfo.Encoder, encodingInfo.EncoderParams);
var document = new Document(new Map(ms), settings) { Sessions = ed.Sessions };
if (document.Sessions.Count > 0) document.ProjectionOrigin = document.Sessions[0].ProjectionOrigin;
document.FileName = fileName;
document.FileFormat = QuickRouteFileFormat.Jpeg;
document.Initialize();
mapAndBorderImage.Dispose();
mapImage.Dispose();
return document;
}
}
private void SetExifData()
{
// GPS version
var image = Image;
var exif = new ExifWorks.ExifWorks(ref image);
// center coordinate
var center = new LongLat();
foreach (var corner in Document.GetMapCornersLongLat())
{
center += corner / 4;
}
var ver = new byte[] { 2, 2, 0, 0 };
var longitudeRef = new byte[] { Convert.ToByte(center.Longitude < 0 ? 'W' : 'E'), 0 };
var longitude = ExifUtil.GetExifGpsCoordinate(center.Longitude);
var latitudeRef = new byte[] { Convert.ToByte(center.Latitude < 0 ? 'S' : 'N'), 0 };
var latitude = ExifUtil.GetExifGpsCoordinate(center.Latitude);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsVer, ver, ExifWorks.ExifWorks.ExifDataTypes.UnsignedLong);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLongitudeRef, longitudeRef, ExifWorks.ExifWorks.ExifDataTypes.AsciiString);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLongitude, longitude, ExifWorks.ExifWorks.ExifDataTypes.UnsignedRational);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLatitudeRef, latitudeRef, ExifWorks.ExifWorks.ExifDataTypes.AsciiString);
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.GpsLatitude, latitude, ExifWorks.ExifWorks.ExifDataTypes.UnsignedRational);
if (Properties.EncodingInfo.Encoder.MimeType == "image/jpeg")
{
exif.SetProperty((int)ExifWorks.ExifWorks.TagNames.JPEGQuality, new byte[] {(byte)(100 * ((JpegEncodingInfo)Properties.EncodingInfo).Quality)}, ExifWorks.ExifWorks.ExifDataTypes.UnsignedByte);
}
exif.SetPropertyString((int)ExifWorks.ExifWorks.TagNames.SoftwareUsed, Strings.QuickRoute + " " + Document.GetVersionString());
}
