/// <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;
}
}
