private static void GenerateEpub(string path, IReadOnlyList <Chapter> chaptersHtml, MetaInformation meta)
{
var epub = new Document();
epub.AddBookIdentifier(Guid.NewGuid().ToString());
epub.AddLanguage("English");
//TODO Publish date
epub.AddMetaItem("dc:date", meta.PublishDate.ToString("YYYY-MM-DD"));
epub.AddStylesheetData("style.css", Resources.style);
epub.AddTitle(meta.Title);
epub.AddAuthor(meta.Author);
var chapterNumber = 0;
if (meta.CoverImageFile?.Exists == true)
{
var coverImageId = epub.AddImageData(meta.CoverImageFile.Name, File.ReadAllBytes(meta.CoverImageFile.FullName));
epub.AddMetaItem("cover", coverImageId);
var coverPage = Resources.epub_cover_template.Replace("{cover}", meta.CoverImageFile.Name);
epub.AddXhtmlData($"page{chapterNumber}.xhtml", coverPage);
epub.AddNavPoint("Cover", $"page{chapterNumber}.xhtml", chapterNumber);
chapterNumber++;
}
var chapterTemplate = Resources.epub_template.Replace("{title}", meta.Title);
for (var i = 0; i < chaptersHtml.Count; i++, chapterNumber++)
{
var chapter = chaptersHtml[i];
var chapterFile = $"page{chapterNumber}.xhtml";
var chapterContent = chapterTemplate.Replace("{body}", chapter.Html);
epub.AddXhtmlData(chapterFile, chapterContent);
epub.AddNavPoint(chapter.GetNavPoint(i + 1), chapterFile, chapterNumber);
}
epub.Generate(path);
}
private static void GeneratePdf(string path, IEnumerable <Chapter> chaptersHtml, MetaInformation meta)
{
var joinedChapters = string.Join("\n<div class=\"pagebreak\"></div>\n", chaptersHtml.Select(c => c.Html));
var cover = string.Empty;
var chapterContent = Resources.pdf_template
.Replace("{title}", meta.Title)
.Replace("{style}", Resources.style)
.Replace("{body}", joinedChapters)
.Replace("{cover}", cover);
var settings = new GlobalSettings
{
UseCompression = true,
PaperSize = PaperKind.A4,
DocumentTitle = meta.Title
};
var chapterSettings = new ObjectSettings
{
HtmlContent = chapterContent
};
var pdfDocument = new HtmlToPdfDocument
{
GlobalSettings = settings,
Objects = { chapterSettings }
};
var converter = new BasicConverter(new PdfTools());
try
{
var bytes = converter.Convert(pdfDocument);
File.WriteAllBytes(path, bytes);
}
catch (DllNotFoundException e)
{
Console.Error.WriteLine("Missing assemblies. Make sure libwkhtmltox is with the tool and" +
" zlib1g fontconfig libfreetype6 libx11-6 libxext6 libxrender1 are installed.");
Console.Error.WriteLine(e);
throw;
}
}
