public static byte[] SpirePDFHtmlToPDF(string html)
{
byte[] ret = null;
//using (MemoryStream ms = new MemoryStream())
//{
// Spire.Pdf.HtmlConverter.Qt.HtmlConverter.Convert(
// html,
// //memory stream
// ms,
// //enable javascript
// true,
// //load timeout
// 10 * 1000,
// //page size
// new SizeF(612, 792),
// //page margins
// new Spire.Pdf.Graphics.PdfMargins(0),
// //load from content type
// LoadHtmlType.SourceCode
// );
//}
using (MemoryStream ms = new MemoryStream())
{
//Create a pdf document.
Spire.Pdf.PdfDocument doc = new Spire.Pdf.PdfDocument();
PdfPageSettings setting = new PdfPageSettings();
//setting.Size = new SizeF(1000, 1000);
setting.Size = Spire.Pdf.PdfPageSize.A4;
setting.Orientation = Spire.Pdf.PdfPageOrientation.Portrait;
setting.Margins = new Spire.Pdf.Graphics.PdfMargins(20);
doc.Template.Top = GetHeader(doc, setting.Margins);
//apply blank templates to other parts of page template
doc.Template.Bottom = new PdfPageTemplateElement(doc.PageSettings.Size.Width, setting.Margins.Bottom);
doc.Template.Left = new PdfPageTemplateElement(setting.Margins.Left, doc.PageSettings.Size.Height);
doc.Template.Right = new PdfPageTemplateElement(setting.Margins.Right, doc.PageSettings.Size.Height);
PdfHtmlLayoutFormat htmlLayoutFormat = new PdfHtmlLayoutFormat();
htmlLayoutFormat.IsWaiting = true;
Thread thread = new Thread(() =>
{ doc.LoadFromHTML(html, true, setting, htmlLayoutFormat); });
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
//Save pdf file.
doc.SaveToStream(ms);
doc.Close();
ret = ms.ToArray();
}
return(ret);
}
public static byte[] ConvertToPdf(string fileName)
{
string contentType = MimeMapping.GetMimeMapping(fileName);
MemoryStream mem = new MemoryStream();
switch (contentType.ToLower())
{
case "image/gif":
case "image/jpg":
case "image/png":
case "image/jpeg":
case "application/BMP":
case "image/bmp":
case "image/tiff":
if (!string.IsNullOrEmpty(fileName))
{
Document document = new Document(PageSize.LETTER, 10, 10, 10, 10);
//using ( var stream = new MemoryStream() )
//{
PdfWriter.GetInstance(document, mem);
document.Open();
using (var imageStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var image = Image.GetInstance(imageStream);
image.ScaleAbsolute(585, 750);
//image.ScaleAbsoluteHeight(PageSize.A4.Height - 20);
//image.ScaleToFit(PageSize.LETTER);
document.Add(image);
}
document.Close();
// return stream.ToArray();
//}
}
break;
case "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":
case "application/vnd.ms-excel":
case "application/xlsx":
case "application/xls":
case "application/vnd.ms-excel.sheet.macroEnabled.12":
case "application/XLSM":
if (!string.IsNullOrEmpty(fileName))
{
Spire.Xls.Workbook workbook = new Spire.Xls.Workbook();
workbook.LoadFromFile(fileName, true);
workbook.SaveToStream(mem, Spire.Xls.FileFormat.PDF);
}
break;
case "application/vnd.openxmlformats-officedocument.wordprocessingml.document":
case "application/msword":
case "application/docx":
case "application/doc":
if (!string.IsNullOrEmpty(fileName))
{
Spire.Doc.Document document = new Spire.Doc.Document();
document.LoadFromFile(fileName, Spire.Doc.FileFormat.Auto);
document.SaveToStream(mem, Spire.Doc.FileFormat.PDF);
document.Close();
}
break;
case "application/html":
case "application/txt":
case "application/htm":
case "text/html":
case "application/xml":
case "text/plain":
if (!string.IsNullOrEmpty(fileName))
{
Spire.Pdf.PdfDocument pdf = new Spire.Pdf.PdfDocument();
PdfHtmlLayoutFormat htmlLayoutFormat = new PdfHtmlLayoutFormat
{
Layout = PdfLayoutType.Paginate,
FitToPage = Clip.Width,
LoadHtmlTimeout = 60 * 1000
};
htmlLayoutFormat.IsWaiting = true;
PdfPageSettings setting = new PdfPageSettings();
setting.Size = PdfPageSize.A4;
Thread thread = new Thread(() => { pdf.LoadFromHTML(fileName, true, true, true); });
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
pdf.SaveToStream(mem, Spire.Pdf.FileFormat.PDF);
}
break;
case "application/msg":
case "application/octet-stream":
case "multipart/related":
case "application/ZIP":
case "application/VCF":
default:
break;
}
return(mem.ToArray());
}
