private Bitmap StripQuickRouteHeader(Stream stream)
{
Bitmap targetImage = null;
if (stream != null)
{
// check if the image is an exported QuickRoute image; if yes, remove the border
var ed = QuickRouteJpegExtensionData.FromStream(stream);
var sourceImage = System.Drawing.Image.FromStream(stream);
rawData = new byte[stream.Length];
stream.Position = 0;
stream.Read(rawData, 0, (int)stream.Length);
if (ed != null)
{
targetImage = new Bitmap(ed.MapLocationAndSizeInPixels.Width, ed.MapLocationAndSizeInPixels.Height);
var g = Graphics.FromImage(targetImage);
g.DrawImage(sourceImage, new Rectangle(new Point(0, 0), ed.MapLocationAndSizeInPixels.Size), ed.MapLocationAndSizeInPixels, GraphicsUnit.Pixel);
g.Dispose();
}
else
{
targetImage = new Bitmap(sourceImage);
}
stream.Close();
stream.Dispose();
}
return(targetImage);
}
public static QuickRouteJpegExtensionData FromQuickRouteDocument(Document document)
{
var data = new QuickRouteJpegExtensionData {
Version = currentVersion, Sessions = document.Sessions, PercentualSize = 1
};
return(data);
}
public static QuickRouteJpegExtensionData FromQuickRouteDocument(Document document, SessionCollection sessions, Rectangle imageBounds, Rectangle mapBounds, double percentualSize)
{
var data = new QuickRouteJpegExtensionData
{
Version = currentVersion,
ImageCornerPositions = document.GetImageCornersLongLat(imageBounds, mapBounds, percentualSize),
MapCornerPositions = document.GetMapCornersLongLat(),
MapLocationAndSizeInPixels = mapBounds,
Sessions = sessions,
PercentualSize = percentualSize
};
return(data);
}
/// <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);
}
}
public static QuickRouteJpegExtensionData FromImageExporter(ImageExporter exporter)
{
var data = new QuickRouteJpegExtensionData
{
Version = currentVersion,
ImageCornerPositions =
exporter.Document.GetImageCornersLongLat(exporter.ImageBounds, exporter.MapBounds,
exporter.Properties.PercentualSize),
MapCornerPositions = exporter.Document.GetMapCornersLongLat(),
MapLocationAndSizeInPixels = exporter.MapBounds,
Sessions = exporter.Sessions,
PercentualSize = exporter.Properties.PercentualSize
};
return(data);
}
private static QuickRouteJpegExtensionData ParseStream(Stream stream)
{
var data = new QuickRouteJpegExtensionData {
PercentualSize = 1
};
stream.Position = 0;
var edReader = new BinaryReader(stream);
while (stream.Position < stream.Length)
{
var tag = (Tags)edReader.ReadByte();
var tagLength = Convert.ToInt32(edReader.ReadUInt32());
switch (tag)
{
case Tags.Version:
data.Version =
edReader.ReadByte() + "." +
edReader.ReadByte() + "." +
edReader.ReadByte() + "." +
edReader.ReadByte();
break;
case Tags.MapCornerPositions:
data.MapCornerPositions = new LongLat[4];
data.MapCornerPositions[0] = ReadLongLat(edReader);
data.MapCornerPositions[1] = ReadLongLat(edReader);
data.MapCornerPositions[2] = ReadLongLat(edReader);
data.MapCornerPositions[3] = ReadLongLat(edReader);
break;
case Tags.ImageCornerPositions:
data.ImageCornerPositions = new LongLat[4];
data.ImageCornerPositions[0] = ReadLongLat(edReader);
data.ImageCornerPositions[1] = ReadLongLat(edReader);
data.ImageCornerPositions[2] = ReadLongLat(edReader);
data.ImageCornerPositions[3] = ReadLongLat(edReader);
break;
case Tags.MapLocationAndSizeInPixels:
var rect = new Rectangle
{
X = edReader.ReadUInt16(),
Y = edReader.ReadUInt16(),
Width = edReader.ReadUInt16(),
Height = edReader.ReadUInt16()
};
data.MapLocationAndSizeInPixels = rect;
break;
case Tags.Sessions:
data.Sessions = ReadSessions(edReader);
break;
default:
edReader.BaseStream.Position += tagLength;
break;
}
}
return(data);
}
private void CalculateImageAndTransformationMatrix(string fileName)
{
var zipFile = new Ionic.Zip.ZipFile(fileName);
var mapSize = new Size();
Transformation = new Transformation();
// get entry for kml file and image file
KmlDocument kmlDocument = null;
foreach (var entry in zipFile)
{
if (entry.FileName == entry.LocalFileName && Path.GetExtension(entry.FileName) == ".kml")
{
using (var kmlStream = new MemoryStream())
{
entry.Extract(kmlStream);
kmlStream.Position = 0;
kmlDocument = new KmlDocument(kmlStream);
}
break;
}
}
if (kmlDocument != null)
{
// we have got a kml document, get map image file stream from it
foreach (var entry in zipFile)
{
if (entry.FileName == kmlDocument.ImageFileName)
{
ImageStream = new MemoryStream();
entry.Extract(ImageStream);
ImageStream.Position = 0;
// check if image is QR jpeg
var ed = QuickRouteJpegExtensionData.FromStream(ImageStream);
if (ed != null)
{
// get transformation matrix from QR jpeg metadata
Transformation = ed.Sessions.CalculateAverageTransformation();
ImageStream.Position = 0;
return;
}
else
{
// it is not, use normal image bounds
ImageStream.Position = 0;
mapSize = Image.FromStream(ImageStream).Size; // need to get image object to get image size
}
ImageStream.Position = 0;
break;
}
}
}
if (kmlDocument != null && ImageStream != null)
{
// finally, calculate the transformation
Transformation = new Transformation(kmlDocument.LongLatBox, mapSize);
}
}
private static QuickRouteJpegExtensionData ParseStream(Stream stream)
{
var data = new QuickRouteJpegExtensionData {PercentualSize = 1};
stream.Position = 0;
var edReader = new BinaryReader(stream);
while (stream.Position < stream.Length)
{
var tag = (Tags)edReader.ReadByte();
var tagLength = Convert.ToInt32(edReader.ReadUInt32());
switch (tag)
{
case Tags.Version:
data.Version =
edReader.ReadByte() + "." +
edReader.ReadByte() + "." +
edReader.ReadByte() + "." +
edReader.ReadByte();
break;
case Tags.MapCornerPositions:
data.MapCornerPositions = new LongLat[4];
data.MapCornerPositions[0] = ReadLongLat(edReader);
data.MapCornerPositions[1] = ReadLongLat(edReader);
data.MapCornerPositions[2] = ReadLongLat(edReader);
data.MapCornerPositions[3] = ReadLongLat(edReader);
break;
case Tags.ImageCornerPositions:
data.ImageCornerPositions = new LongLat[4];
data.ImageCornerPositions[0] = ReadLongLat(edReader);
data.ImageCornerPositions[1] = ReadLongLat(edReader);
data.ImageCornerPositions[2] = ReadLongLat(edReader);
data.ImageCornerPositions[3] = ReadLongLat(edReader);
break;
case Tags.MapLocationAndSizeInPixels:
var rect = new Rectangle
{
X = edReader.ReadUInt16(),
Y = edReader.ReadUInt16(),
Width = edReader.ReadUInt16(),
Height = edReader.ReadUInt16()
};
data.MapLocationAndSizeInPixels = rect;
break;
case Tags.Sessions:
data.Sessions = ReadSessions(edReader);
break;
default:
edReader.BaseStream.Position += tagLength;
break;
}
}
return data;
}
public static QuickRouteJpegExtensionData FromQuickRouteDocument(Document document, SessionCollection sessions, Rectangle imageBounds, Rectangle mapBounds, double percentualSize)
{
var data = new QuickRouteJpegExtensionData
{
Version = currentVersion,
ImageCornerPositions = document.GetImageCornersLongLat(imageBounds, mapBounds, percentualSize),
MapCornerPositions = document.GetMapCornersLongLat(),
MapLocationAndSizeInPixels = mapBounds,
Sessions = sessions,
PercentualSize = percentualSize
};
return data;
}
public static QuickRouteJpegExtensionData FromQuickRouteDocument(Document document)
{
var data = new QuickRouteJpegExtensionData {Version = currentVersion, Sessions = document.Sessions, PercentualSize = 1};
return data;
}
public static QuickRouteJpegExtensionData FromImageExporter(ImageExporter exporter)
{
var data = new QuickRouteJpegExtensionData
{
Version = currentVersion,
ImageCornerPositions =
exporter.Document.GetImageCornersLongLat(exporter.ImageBounds, exporter.MapBounds,
exporter.Properties.PercentualSize),
MapCornerPositions = exporter.Document.GetMapCornersLongLat(),
MapLocationAndSizeInPixels = exporter.MapBounds,
Sessions = exporter.Sessions,
PercentualSize = exporter.Properties.PercentualSize
};
return data;
}
