public void SetCover(byte[] data, ImageFormat imageFormat)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
RemoveCover();
string filename;
EpubContentType type;
switch (imageFormat)
{
case ImageFormat.Gif:
filename = "cover.gif";
type = EpubContentType.ImageGif;
break;
case ImageFormat.Jpeg:
filename = "cover.jpeg";
type = EpubContentType.ImageJpeg;
break;
case ImageFormat.Png:
filename = "cover.png";
type = EpubContentType.ImagePng;
break;
case ImageFormat.Svg:
filename = "cover.svg";
type = EpubContentType.ImageSvg;
break;
default:
throw new ArgumentException($"Unsupported cover format: {format}", nameof(format));
}
var coverResource = new EpubByteFile
{
AbsolutePath = filename,
Href = filename,
ContentType = type,
Content = data
};
coverResource.MimeType = ContentType.ContentTypeToMimeType[coverResource.ContentType];
resources.Images.Add(coverResource);
var coverItem = new OpfManifestItem
{
Id = OpfManifest.ManifestItemCoverImageProperty,
Href = coverResource.Href,
MediaType = coverResource.MimeType
};
coverItem.Properties.Add(OpfManifest.ManifestItemCoverImageProperty);
format.Opf.Manifest.Items.Add(coverItem);
}
public EpubChapter AddChapter(string title, string html, string fileId = null)
{
if (string.IsNullOrWhiteSpace(title))
{
throw new ArgumentNullException(nameof(title));
}
if (html == null)
{
throw new ArgumentNullException(nameof(html));
}
fileId = fileId ?? Guid.NewGuid().ToString("N");
var file = new EpubTextFile
{
AbsolutePath = fileId + ".html",
Href = fileId + ".html",
TextContent = html,
ContentType = EpubContentType.Xhtml11
};
file.MimeType = ContentType.ContentTypeToMimeType[file.ContentType];
resources.Html.Add(file);
var manifestItem = new OpfManifestItem
{
Id = fileId,
Href = file.Href,
MediaType = file.MimeType
};
format.Opf.Manifest.Items.Add(manifestItem);
var spineItem = new OpfSpineItemRef {
IdRef = manifestItem.Id, Linear = true
};
format.Opf.Spine.ItemRefs.Add(spineItem);
FindNavTocOl()?.Add(new XElement(NavElements.Li, new XElement(NavElements.A, new XAttribute("href", file.Href), title)));
format.Ncx?.NavMap.NavPoints.Add(new NcxNavPoint
{
Id = Guid.NewGuid().ToString("N"),
NavLabelText = title,
ContentSrc = file.Href,
PlayOrder = format.Ncx.NavMap.NavPoints.Any() ? format.Ncx.NavMap.NavPoints.Max(e => e.PlayOrder) : 1
});
return(new EpubChapter
{
Id = fileId,
Title = title,
RelativePath = file.AbsolutePath
});
}
