private async Task <ActionResult> Process(ImageParameters parameters)
{
var details = await ImageDetails.GetById(parameters.Id);
var image = await ImageController.GetImage(parameters.Id);
this.Response.RegisterForDispose(image);
ImageController.Crop(image, parameters, details);
ImageController.Resize(image, parameters);
ImageController.Quality(image, parameters);
ImageController.Metadata(image, details);
return(this.Ok(image));
}
internal static IXmpMeta Get(ImageDetails details)
{
var xmp = XmpMetaFactory.Create();
var idNs = "https://id.parliament.uk/";
var schemaNs = $"{idNs}schema/";
XmpMetaFactory.SchemaRegistry.RegisterNamespace(idNs, "id");
XmpMetaFactory.SchemaRegistry.RegisterNamespace(schemaNs, "schema");
xmp.SetProperty(XmpConstants.NsIptccore, "CiAdrCity", "London");
xmp.SetProperty(XmpConstants.NsIptccore, "CiAdrCtry", "UK");
xmp.SetProperty(XmpConstants.NsIptccore, "CiAdrRegion", "London");
xmp.SetProperty(XmpConstants.NsIptccore, "CiEmailWork", "*****@*****.**");
xmp.SetProperty(XmpConstants.NsIptccore, "CiTelWork", "+447740424810");
xmp.SetProperty(XmpConstants.NsIptccore, "CiUrlWork", "http://www.mcandrewphoto.co.uk");
xmp.SetProperty(XmpConstants.NsPhotoshop, "Source", "Chris McAndrew / UK Parliament");
xmp.SetProperty(XmpConstants.NsPhotoshop, "Credit", "Chris McAndrew / UK Parliament (Attribution 3.0 Unported (CC BY 3.0))");
xmp.SetPropertyDate(XmpConstants.NsPhotoshop, "DateCreated", XmpDateTimeFactory.Create(2017, 6, 17, 11, 30, 41, 0));
xmp.SetProperty(XmpConstants.NsDC, "rights", "Attribution 3.0 Unported (CC BY 3.0)");
xmp.SetProperty(XmpConstants.NsDC, "title", $"{details.GivenName} {details.FamilyName}");
xmp.SetProperty(XmpConstants.NsDC, "description", $"{details.GivenName} {details.FamilyName} - UK Parliament official portraits 2017");
xmp.SetProperty(XmpConstants.NsDC, "creator", "Chris McAndrew / UK Parliament");
// <rdf:Description rdf:about="http://id.parliament.uk/IMAGE1" />
xmp.SetObjectName($"{idNs}{details.Id}");
// id:IMAGE1 a schema:Image
xmp.SetProperty(XmpConstants.NsRdf, "type", $"{schemaNs}Image", new PropertyOptions {
IsUri = true
});
// id:IMAGE1 schema:parlHasSubject id:PERSON1
xmp.SetProperty(schemaNs, "imageHasSubject", details.MemberUri, new PropertyOptions {
IsUri = true
});
// id:PERSON1 a schema:Person
xmp.SetQualifier(schemaNs, "imageHasSubject", XmpConstants.NsRdf, "type", $"{schemaNs}Person", new PropertyOptions {
IsUri = true
});
return(xmp);
}
private static void Metadata(MagickImage image, ImageDetails details)
{
var xmp = MetadataController.Get(details);
var xmpBuffer = XmpMetaFactory.SerializeToBuffer(xmp, new SerializeOptions());
var xmpProfile = new XmpProfile(xmpBuffer);
image.AddProfile(xmpProfile);
var iptcProfile = new IptcProfile();
iptcProfile.SetValue(IptcTag.City, "London");
iptcProfile.SetValue(IptcTag.Country, "UK");
iptcProfile.SetValue(IptcTag.Contact, "[email protected], +447740424810,http://www.mcandrewphoto.co.uk");
iptcProfile.SetValue(IptcTag.CopyrightNotice, "Attribution 3.0 Unported (CC BY 3.0)");
iptcProfile.SetValue(IptcTag.Title, $"{details.GivenName} {details.FamilyName}");
iptcProfile.SetValue(IptcTag.Source, "Chris McAndrew / UK Parliament");
iptcProfile.SetValue(IptcTag.Credit, "Chris McAndrew / UK Parliament (Attribution 3.0 Unported (CC BY 3.0))");
image.AddProfile(iptcProfile);
}
private static void Crop(MagickImage image, ImageParameters parameters, ImageDetails details)
{
if (parameters.Crop is null)
{
return;
}
var crop = Configuration.Crops.SingleOrDefault(c => c.Name == parameters.Crop);
if (crop.Name is null)
{
throw new UnkownCropException();
}
var x = 1;
if (!(crop.OffsetX is null))
{
x = details.CenterX - crop.OffsetX.Value;
}
image.Crop(x, details.CenterY - crop.OffsetY, crop.Width, crop.Height);
}
public async Task <IXmpMeta> Get(string id)
{
var details = await ImageDetails.GetById(id);
return(MetadataController.Get(details));
}