/// <summary>
/// 返回页数 PdfReader
/// </summary>
/// <param name="outMergeFile"></param>
/// <returns></returns>
public int MergePDFFilesPages(string outMergeFile)
{
int page = 0;
PdfReader reader;
try
{
using (iTextSharp.text.Document document = new iTextSharp.text.Document())
{
if (File.Exists(outMergeFile))
{
reader = new PdfReader(outMergeFile);
if (reader != null)
{
page = reader.NumberOfPages;
reader.Close();
reader.Dispose();
}
}
document.Close();
document.Dispose();
File.SetAttributes(outMergeFile, FileAttributes.Normal);
}
return(page);
}
catch (Exception ex)
{
MyCommon.WriteLog("取PDF页数报错" + ex.Message);
return(page);
}
}
private void SavePdf(string inputPath, string pathSaveFile)
{
// Create a new PDF document
var doc = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4);
var fs = new FileStream(pathSaveFile, FileMode.Create);
var wPdf = PdfWriter.GetInstance(doc, fs);
doc.Open();
if (File.Exists(inputPath))
{
//se arquivo unico
var img = iTextSharp.text.Image.GetInstance(inputPath);
doc.SetPageSize(new iTextSharp.text.Rectangle(img.Width, img.Height));
doc.NewPage();
img.SetAbsolutePosition(0, 0);
wPdf.DirectContent.AddImage(img);
}
else
{
var imageFiles = Directory.GetFiles(inputPath, "*.*"); //.Where(f => fileExtensions.Contains(Path.GetExtension(f).ToLower()));
//Array.Sort(imageFiles.ToArray(), new AlphanumComparatorFast());
//importing the images in the pdf
foreach (string imageFile in imageFiles)
{
//checking file extension
//string ext = Path.GetExtension(imageFile).ToLower();
//if ((string.Compare(ext, ".jpg") == 0) || (string.Compare(ext, ".jpeg") == 0) || (string.Compare(ext, ".png") == 0) || (string.Compare(ext, ".bmp") == 0) || (string.Compare(ext, ".new") == 0))
//{
var img = iTextSharp.text.Image.GetInstance(imageFile);
doc.SetPageSize(new iTextSharp.text.Rectangle(img.Width, img.Height));
doc.NewPage();
img.SetAbsolutePosition(0, 0);
wPdf.DirectContent.AddImage(img);
//}
}
}
//save file
doc.Close();
doc.Dispose();
fs.Close();
fs.Dispose();
wPdf.Close();
wPdf.Dispose();
}
private void freePDF()
{
if (avaPDF)
{
try {
pdfReader.Dispose();
pdfDoc.Dispose();
pdfCopy.Dispose();
} catch {
pdfReader = null;
pdfDoc = null;
pdfCopy = null;
}
}
}
// TODO: Can code lai
public void SaveByMemoryStream(string fileName)
{
string defaultFontPath = FontUtils.GetFontPath(ReportFactory.FontList, ReportFactory.FontStyle);
iTextSharp.text.FontFactory.Register(defaultFontPath);
byte[] data;
using (var memoryStream = new MemoryStream())
{
PageSize currentPageSize = PageSize ?? ReportFactory.PageSize;
iTextSharp.text.Rectangle pageSize = PageSizeUtils.ToRectangle(currentPageSize);
var document = new iTextSharp.text.Document(pageSize, 10, 10, 10, 10);
var writer = iTextSharp.text.pdf.PdfWriter.GetInstance(document, memoryStream);
document.Open();
foreach (var paragraph in Paragraphs)
{
if (paragraph is Table)
{
iTextSharp.text.pdf.PdfPTable tableSource = paragraph as Table;
document.Add(tableSource);
}
else if (paragraph is Paragraph)
{
}
}
document.Close();
document.Dispose();
data = memoryStream.ToArray();
}
File.WriteAllBytes(fileName, data);
}
/// <summary>
/// 打印PDF
/// </summary>
public void PrintPDF()
{
m_doc = new iTextSharp.text.Document(new iTextSharp.text.Rectangle(0, 0, PaperSize.Width * 100 / 25.4F * m_rate, PaperSize.Height * 100 / 25.4F * m_rate));
m_stream = new System.IO.MemoryStream();
m_write = iTextSharp.text.pdf.PdfWriter.GetInstance(m_doc, m_stream);
m_doc.OpenDocument();
PrintPDFPage();
m_doc.Close();
m_stream.Flush();
//输出到文件
using (var fs = new System.IO.FileStream(PrintFileName, System.IO.FileMode.Create))
{
var bs = m_stream.GetBuffer();
fs.Write(bs, 0, bs.Length);
fs.Flush();
m_stream.Dispose();
m_stream = null;
m_doc.Dispose();
m_doc = null;
}
}
public void SaveImage(HttpContext context)
{
var aa = context.Request.Form["svg"];
if (context.Request.Form["svg"] != null)
{
string tType = "image/png";
string tSvg = context.Request.Form["svg"].ToString();
string tFileName = "";
Random rand = new Random(24 * (int)DateTime.Now.Ticks);
tFileName = rand.Next().ToString();
MemoryStream tData = new MemoryStream(Encoding.UTF8.GetBytes(tSvg));
MemoryStream tStream = new MemoryStream();
string tTmp = new Random().Next().ToString();
string tExt = "";
string tTypeString = "";
switch (tType)
{
case "image/png":
tTypeString = "-m image/png";
tExt = "png";
break;
case "image/jpeg":
tTypeString = "-m image/jpeg";
tExt = "jpg";
break;
case "application/pdf":
tTypeString = "-m application/pdf";
tExt = "pdf";
break;
case "image/svg+xml":
tTypeString = "-m image/svg+xml";
tExt = "svg";
break;
}
if (tTypeString != "")
{
//string tWidth = context.Request.Form["width"].ToString();
//string tWidth = "0";
Svg.SvgDocument tSvgObj = SvgDocument.Open(tData);
switch (tExt)
{
case "jpg":
tSvgObj.Draw().Save(tStream, ImageFormat.Jpeg);
break;
case "png":
tSvgObj.Draw().Save(tStream, ImageFormat.Png);
break;
case "pdf":
PdfWriter tWriter = null;
iTextSharp.text.Document tDocumentPdf = null;
try
{
tSvgObj.Draw().Save(tStream, ImageFormat.Png);
tDocumentPdf = new iTextSharp.text.Document(new iTextSharp.text.Rectangle((float)tSvgObj.Width, (float)tSvgObj.Height));
tDocumentPdf.SetMargins(0.0f, 0.0f, 0.0f, 0.0f);
iTextSharp.text.Image tGraph = iTextSharp.text.Image.GetInstance(tStream.ToArray());
tGraph.ScaleToFit((float)tSvgObj.Width, (float)tSvgObj.Height);
tStream = new MemoryStream();
tWriter = PdfWriter.GetInstance(tDocumentPdf, tStream);
tDocumentPdf.Open();
tDocumentPdf.NewPage();
tDocumentPdf.Add(tGraph);
tDocumentPdf.CloseDocument();
}
catch (Exception ex)
{
throw ex;
}
finally
{
tDocumentPdf.Close();
tDocumentPdf.Dispose();
tWriter.Close();
tWriter.Dispose();
tData.Dispose();
tData.Close();
}
break;
case "svg":
tStream = tData;
break;
}
System.IO.MemoryStream ms = new System.IO.MemoryStream(tStream.ToArray());
System.Drawing.Image image = System.Drawing.Image.FromStream(ms);
string savePath = context.Server.MapPath("image/");
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
savePath += tFileName + "." + tExt;
string SavePathImage = tFileName + "." + tExt;
context.Session["FirstImage"] = savePath;
image.Save(savePath, System.Drawing.Imaging.ImageFormat.Png);
image.Dispose();
context.Response.Write(tFileName + "." + tExt);
}
}
}
/// <summary>
/// 返回页数
/// </summary>
/// <param name="FileList"></param>
/// <param name="FileName"></param>
/// <returns></returns>
public int MergePDF(string[] FileList, string FileName)
{
if (System.IO.File.Exists(FileName))
{
System.IO.File.Delete(FileName);
}
int iPageCount = 0;
if (FileList.Length == 1)
{
System.IO.File.Copy(FileList[0], FileName, true);
/*
* 修改人：侯波
* 修改时间：2017-04-12
* 描述：拖入一页电子文件计算页数
*/
if (File.Exists(FileName))
{
try
{
PdfReader reader1;
reader1 = new PdfReader(FileName);
if (reader1 != null)
{
iPageCount = reader1.NumberOfPages;
reader1.Close();
reader1.Dispose();
}
}
catch (Exception ex)
{
MyCommon.WriteLog("Cell2 MergeMultiPdf合并PDF异常：" + ex.Message);
}
}
}
else
{
try
{
#region 金格合并
//List<Stream> FSList = new List<Stream>();
//foreach (string file_pdf in FileList)
//{
// FSList.Add(new FileStream(file_pdf, FileMode.Open));
//}
//using (FileStream os = new FileStream(FileName, FileMode.Create, FileAccess.ReadWrite))
//{
// com.kinggrid.pdf.KGPdfHummerUtils.MergeMultiPdf(FSList, os);
// if (System.IO.File.Exists(FileName))
// {
// iPageCount = MergePDFFilesPages(FileName);
// }
// else
// {
// MyCommon.WriteLog("合并PDF错误");
// }
//}
#endregion
PdfReader reader;
using (iTextSharp.text.Document document = new iTextSharp.text.Document())
{
PdfImportedPage newPage;
PdfCopy copy = new PdfCopy(document, (new FileStream(FileName, FileMode.Create)));
document.Open();
for (int i = 0; i < FileList.Length; i++)
{
reader = new PdfReader(FileList[i], null, true);
int iPageNum = reader.NumberOfPages;
for (int j = 1; j <= iPageNum; j++)
{
document.NewPage();
newPage = copy.GetImportedPage(reader, j);
copy.AddPage(newPage);
}
reader.Close();
reader.Dispose();
}
document.Close();
document.Dispose();
if (File.Exists(FileName))
{
reader = new PdfReader(FileName);
if (reader != null)
{
iPageCount = reader.NumberOfPages;
reader.Close();
reader.Dispose();
}
}
copy.Close();
copy.Dispose();
}
}
catch (Exception ex)
{
MyCommon.WriteLog("Cell2 MergeMultiPdf合并PDF异常：" + ex.Message);
}
}
return(iPageCount);
}
// Сохраняет выделенные файлы в PDF
private void btnPDF_Click(object sender, EventArgs e)
{
if (0 == listView1.SelectedItems.Count)
{
return;
}
bool deleteFiles = chkDeleteFiles.Checked; // Удалять jpeg'и после создания pdf
savePDFDialog.Filter = "Файлы PDF|*.pdf";
savePDFDialog.InitialDirectory = PDFInitialDir;
if (DialogResult.OK != savePDFDialog.ShowDialog())
{
return;
}
Cursor.Current = Cursors.WaitCursor;
int s = 0;
if (radioImageMagick.Checked)
{
MagickImageCollection images = new MagickImageCollection();
foreach (ListViewItem item in listView1.SelectedItems)
{
images.Add(scanFileNames[item.Index]);
images[s++].Strip(); // Иначе PDF может получиться кривой с ошибкой insufficient data for an image
}
try
{
images.Write(savePDFDialog.FileName, MagickFormat.Pdf);
}
catch (MagickException me)
{
toolStripStatus.Text = me.Message;
deleteFiles = false;
}
images.Dispose();
}
if (radioiTextSharp.Checked)
{
iTextSharp.text.Document document = new iTextSharp.text.Document();
FileStream fileStream = new FileStream(savePDFDialog.FileName, FileMode.Create);
iTextSharp.text.pdf.PdfWriter.GetInstance(document, fileStream);
document.Open();
foreach (ListViewItem item in listView1.SelectedItems)
{
iTextSharp.text.Image image = iTextSharp.text.Image.GetInstance(scanFileNames[item.Index]);
image.SetAbsolutePosition(0.0f, 0.0f);
image.ScaleToFit(image.Width / image.DpiX * 72f, image.Height / image.DpiY * 72f);
iTextSharp.text.Chunk chunk = new iTextSharp.text.Chunk();
chunk.SetNewPage();
if (s > 0)
{
document.Add(chunk);
}
if (deleteFiles & !document.Add(image))
{
deleteFiles = false;
}
chunk = null;
image = null;
s++;
}
document.Close();
document.Dispose();
fileStream.Close();
fileStream.Dispose();
}
if (deleteFiles)
{
btnDelete_Click(btnPDF, null);
}
Cursor.Current = Cursors.Default;
}
// public List<Card> Cards { get; set; }
public void tiffToPDF(string resultPDF)
{
// creation of the document with a certain size and certain margins
using (iTextSharp.text.Document document = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4, 0, 0, 0, 0))
{
using (FileStream fs = new System.IO.FileStream(resultPDF, System.IO.FileMode.Create))
{
// creation of the different writers
using (iTextSharp.text.pdf.PdfWriter writer = iTextSharp.text.pdf.PdfWriter.GetInstance(document, fs))
{
document.Open();
foreach (Page page in Pages)
{
if (page.Card.ImageLocationLR != null)
{
// load the tiff image and count the total pages
int total = 0;
using (System.Drawing.Bitmap bm2 = new System.Drawing.Bitmap(page.Card.ImageLocationLR))
{
total = bm2.GetFrameCount(System.Drawing.Imaging.FrameDimension.Page);
// bm2 = null;
bm2.Dispose();
}
for (int k = 0; k < total; ++k)
{
System.Drawing.Bitmap bm = new System.Drawing.Bitmap(page.Card.ImageLocationLR);
iTextSharp.text.pdf.PdfContentByte cb = writer.DirectContent;
bm.SelectActiveFrame(System.Drawing.Imaging.FrameDimension.Page, k);
iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(bm, System.Drawing.Imaging.ImageFormat.Bmp);
img.ScaleToFitHeight = false;
img.ScalePercent(70f / img.DpiX * 100);
// scale the image to fit in the page
//Lukas old value img.SetAbsolutePosition(-22, 25);
img.SetAbsolutePosition(0, 0);
cb.AddImage(img);
document.NewPage();
img = null;
cb.ClosePath();
bm.Dispose();
}
}
}
document.Close();
document.Dispose();
writer.Dispose();
fs.Close();
fs.Dispose();
}
}
}
}