/// <summary>
/// Convert pdf to html with picture files
/// </summary>
/// <param name="inputFileName">Absolute name of input file</param>
/// <param name="outputFolder">Folder for saving results</param>
/// <param name="newFileName">Relative filename of new html</param>
public static void ConvertToHtml(string inputFileName, string outputFolder, string newFileName, Dictionary <string, string> parameters)
{
if (!Directory.Exists(outputFolder))
{
Directory.CreateDirectory(outputFolder);
}
Spire.Pdf.PdfDocument pdf = new Spire.Pdf.PdfDocument(inputFileName);
using (var stream = new MemoryStream())
{
pdf.SaveToStream(stream, Spire.Pdf.FileFormat.HTML);
string result = System.Text.Encoding.UTF8.GetString(stream.ToArray());
if (result.IndexOf(replaceValuePdf) >= 0)
{
result = result.Replace(replaceValuePdf, "");
}
else if (result.IndexOf(replaceValueWithoutTag) >= 0)
{
result = result.Replace(replaceValueWithoutTag, "");
}
else if (result.IndexOf(replaceValue) >= 0)
{
result = result.Replace(replaceValue, "");
}
result = ExtractImages(outputFolder, result);
File.WriteAllText(outputFolder + "/" + newFileName, result, Encoding.UTF8);
result = null;
}
pdf.Dispose();
}
//public static void ToTIFF(List<string> imagesPath,string folderName)
//{
// System.Drawing.Imaging.Encoder enc = System.Drawing.Imaging.Encoder.SaveFlag;
// EncoderParameters ep = new EncoderParameters(1);
// ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.MultiFrame);
// Bitmap pages = null;
// File.MemoryStream ms = new MemoryStream(File.ReadAllBytes());
// pages = (Bitmap)Image.FromStream(ms);
// int frame = 0;
// foreach (var item in imagesPath)
// {
// MemoryStream mss = new MemoryStream(File.ReadAllBytes(item));
// Bitmap bm = (Bitmap)Image.FromStream(mss);
// int frameCount = bm.GetFrameCount(FrameDimension.Page);
// for (int i = 0; i < frameCount; i++)
// {
// bm.SelectActiveFrame(FrameDimension.Page, i);
// pages.SaveAdd(bm, ep);
// }
// }
// pages.Save(@"C:\1\TiffFile.tif");
//}
//public static class TiffHelper
//{
// /// <summary>
// /// Merges multiple TIFF files (including multipage TIFFs) into a single multipage TIFF file.
// /// </summary>
// public static byte[] MergeTiff(params byte[][] tiffFiles)
// {
// byte[] tiffMerge = null;
// using (var msMerge = new MemoryStream())
// {
// //get the codec for tiff files
// ImageCodecInfo ici = null;
// foreach (ImageCodecInfo i in ImageCodecInfo.GetImageEncoders())
// if (i.MimeType == "image/tiff")
// ici = i;
// System.Drawing.Imaging.Encoder enc = System.Drawing.Imaging.Encoder.SaveFlag;
// EncoderParameters ep = new EncoderParameters(1);
// Bitmap pages = null;
// int frame = 0;
// foreach (var tiffFile in tiffFiles)
// {
// using (var imageStream = new MemoryStream(tiffFile))
// {
// using (Image tiffImage = Image.FromStream(imageStream))
// {
// foreach (Guid guid in tiffImage.FrameDimensionsList)
// {
// //create the frame dimension
// FrameDimension dimension = new FrameDimension(guid);
// //Gets the total number of frames in the .tiff file
// int noOfPages = tiffImage.GetFrameCount(dimension);
// for (int index = 0; index < noOfPages; index++)
// {
// FrameDimension currentFrame = new FrameDimension(guid);
// tiffImage.SelectActiveFrame(currentFrame, index);
// using (MemoryStream tempImg = new MemoryStream())
// {
// tiffImage.Save(tempImg, ImageFormat.Tiff);
// {
// if (frame == 0)
// {
// //save the first frame
// pages = (Bitmap)Image.FromStream(tempImg);
// ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.MultiFrame);
// pages.Save(msMerge, ici, ep);
// }
// else
// {
// //save the intermediate frames
// ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.FrameDimensionPage);
// pages.SaveAdd((Bitmap)Image.FromStream(tempImg), ep);
// }
// }
// frame++;
// }
// }
// }
// }
// }
// }
// if (frame > 0)
// {
// //flush and close.
// ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.Flush);
// pages.SaveAdd(ep);
// }
// msMerge.Position = 0;
// tiffMerge = msMerge.ToArray();
// }
// return tiffMerge;
// }
//}
public static MemoryStream ToPDF(List <byte[]> input)
{
try
{
MemoryStream memoryStream = new MemoryStream();
using (Spire.Pdf.PdfDocument document = new Spire.Pdf.PdfDocument())
{
foreach (byte[] element in input)
{
MemoryStream imageMemoryStream = new MemoryStream(element);
Spire.Pdf.PdfPageBase page = document.Pages.Add();
Spire.Pdf.Graphics.PdfImage image = Spire.Pdf.Graphics.PdfImage.FromStream(imageMemoryStream);
//page.PageInfo.Margin.Bottom = 0;
//page.PageInfo.Margin.Top = 0;
//page.PageInfo.Margin.Left = 0;
//page.PageInfo.Margin.Right = 0;
//page.PageInfo.IsLandscape = false;
float widthFitRate = image.PhysicalDimension.Width / page.Canvas.ClientSize.Width;
float heightFitRate = image.PhysicalDimension.Height / page.Canvas.ClientSize.Height;
float fitRate = Math.Max(widthFitRate, heightFitRate);
float fitWidth = image.PhysicalDimension.Width / fitRate;
float fitHeight = image.PhysicalDimension.Height / fitRate;
page.Canvas.DrawImage(image, 0, 0, fitWidth, fitHeight);
}
//document.PDFStandard.CompressionLevel(new Document.ConvertOptions()
//{
// LinkDuplcateStreams = true,
// RemoveUnusedObjects = true,
// RemoveUnusedStreams = true,
// CompressImages = true //IMP
//});
document.SaveToStream(memoryStream);
}
return(memoryStream);
}
catch
{
throw;
}
}
