/// <summary>
/// 利用itext7生成文字签名
/// </summary>
public void ConvertPdf1()
{
string sourcePath = $"C:\\test\\source.pdf";
string targetPath = $"C:\\test\\target.pdf";
string fontPath = $"C:\\Windows\\Fonts\\simkai.ttf";
string signPath1 = @"C:\Users\Administrator\Desktop\a.png";
string signPath2 = @"C:\Users\Administrator\Desktop\b.png";
string signPath3 = @"C:\Users\Administrator\Desktop\c.png";
string signPath4 = @"C:\Users\Administrator\Desktop\d.png";
//输入PDF
using (iText.Kernel.Pdf.PdfReader reader = new iText.Kernel.Pdf.PdfReader(sourcePath))
{
//输出PDF
using (iText.Kernel.Pdf.PdfWriter writer = new iText.Kernel.Pdf.PdfWriter(targetPath))
{
//获取PDF对象
using (iText.Kernel.Pdf.PdfDocument pdfDocument = new iText.Kernel.Pdf.PdfDocument(reader, writer))
{
//获取Document对象
using (iText.Layout.Document document = new iText.Layout.Document(pdfDocument))
{
//从物理文件加载图片
iText.Layout.Element.Image image1 = new iText.Layout.Element.Image(iText.IO.Image.ImageDataFactory.Create(signPath1));
iText.Layout.Element.Image image2 = new iText.Layout.Element.Image(iText.IO.Image.ImageDataFactory.Create(signPath2));
iText.Layout.Element.Image image3 = new iText.Layout.Element.Image(iText.IO.Image.ImageDataFactory.Create(signPath3));
iText.Layout.Element.Image image4 = new iText.Layout.Element.Image(iText.IO.Image.ImageDataFactory.Create(signPath4));
//将图片绘制到PDF的绝对坐标上，同时缩放图片
//坐标与绘制文字的坐标几乎一致，稍微向左，向上一些
//缩放的宽度与后面的宽度一致，示例中是200
//缩放的高度计算两个签名之间的高度差，例如93-73=20
//注意示例采用的签名图片的尺寸是：400px * 150px，应当采取和它差不多的尺寸效果最佳
document.Add(image1.ScaleToFit(200, 20).SetFixedPosition(1, 3089, 93, 200));
document.Add(image2.ScaleToFit(200, 20).SetFixedPosition(1, 3089, 73, 200));
document.Add(image3.ScaleToFit(200, 20).SetFixedPosition(1, 3089, 53, 200));
document.Add(image4.ScaleToFit(200, 20).SetFixedPosition(1, 3089, 33, 200));
//加载字体
iText.Kernel.Font.PdfFont font = iText.Kernel.Font.PdfFontFactory.CreateFont(fontPath, iText.IO.Font.PdfEncodings.IDENTITY_H, true);
//添加文本
document.Add(new iText.Layout.Element.Paragraph("签名1").SetFont(font).SetFontSize(12).SetFixedPosition(1, 3090, 90, 200));
document.Add(new iText.Layout.Element.Paragraph("签名2").SetFont(font).SetFontSize(12).SetFixedPosition(1, 3090, 70, 200));
document.Add(new iText.Layout.Element.Paragraph("签名3").SetFont(font).SetFontSize(12).SetFixedPosition(1, 3090, 50, 200));
document.Add(new iText.Layout.Element.Paragraph("签名4").SetFont(font).SetFontSize(12).SetFixedPosition(1, 3090, 30, 200));
}
}
}
}
}
public static void createDocument(List <ImageSelection> listImages, Appearance appearance, PageSize pageSize, string exportFile)
{
checkSameDocuments(ref exportFile);
using (PdfWriter writer = new PdfWriter(exportFile))
{
using (PdfDocument pdf = new PdfDocument(writer))
{
Document pdoc = new Document(pdf, pageSize);
pdoc.SetMargins(14.1665f, 14.1665f, 14.1665f, 14.1665f);
Table table = tableStyle(appearance, pageSize, pdoc);
for (int k = 0, i = 0, j = 0; k < listImages.Count; k++, j++)
{
if (j == appearance.getDimensions().Length)
{
j = 0; i++;
}
if (i == appearance.getHeightRatio())
{
pdoc.Add(table);
table = tableStyle(appearance, pageSize, pdoc);
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
j = i = 0;
}
Image img = new Image(iText.IO.Image.ImageDataFactory.Create(listImages.ElementAt(k).getPath()));
imgStyle(ref img, listImages.ElementAt(k));
table.GetCell(i, j).Add(img);
}
pdoc.Add(table);
pdoc.Close();
}
}
}
public static void createDocument(List <ImageSelection> listImages, Appearance appearance, PageSize pageSize, string exportFile, Format format)
{
checkSameDocuments(ref exportFile);
using (PdfWriter writer = new PdfWriter(exportFile))
{
using (PdfDocument pdf = new PdfDocument(writer))
{
Document pdoc = new Document(pdf, pageSize);
pdoc.SetMargins(8.5f, 8.5f, 8.5f, 8.5f);
Appearance coverAppearance = new Appearance(appearance.getAppearanceType(), format, 1);
Table table = tableStyle(coverAppearance, pageSize, pdoc);
table = tableStyle(coverAppearance, pageSize, pdoc);
Image imgc = null;
try
{
imgc = new Image(iText.IO.Image.ImageDataFactory.Create(listImages.ElementAt(0).getPath()));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
MessageBox.Show("There's no image selected !", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
pdoc = null;
//pdf = null;
pdf.AddNewPage();
pdf.Close();
writer.Close();
File.Delete(exportFile);
return;
}
imgStyle(ref imgc, listImages.ElementAt(0));
table.GetCell(0, 0).Add(imgc);
pdoc.Add(table);
table = tableStyle(appearance, pageSize, pdoc);
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
for (int k = 1, i = 0, j = 0; k < listImages.Count - 1; k++, j++)
{
if (j == appearance.getDimensions().Length)
{
j = 0; i++;
}
if (i == appearance.getHeightRatio())
{
pdoc.Add(table);
table = tableStyle(appearance, pageSize, pdoc);
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
j = i = 0;
}
Image img = new Image(iText.IO.Image.ImageDataFactory.Create(listImages.ElementAt(k).getPath()));
imgStyle(ref img, listImages.ElementAt(k));
Console.WriteLine(listImages.ElementAt(k).format);
table.GetCell(i, j).Add(img);
}
pdoc.Add(table);
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
table = tableStyle(coverAppearance, pageSize, pdoc);
imgc = new Image(iText.IO.Image.ImageDataFactory.Create(listImages.ElementAt(listImages.Count - 1).getPath()));
imgStyle(ref imgc, listImages.ElementAt(listImages.Count - 1));
table.GetCell(0, 0).Add(imgc);
pdoc.Add(table);
pdoc.Close();
}
}
}
public static void createDocument(List <ImageSelection> listImages, Appearance appearance, PageSize pageSize, string exportFile, Format format, bool value)
{
checkSameDocuments(ref exportFile);
Console.WriteLine();
using (PdfWriter writer = new PdfWriter(exportFile))
{
using (PdfDocument pdf = new PdfDocument(writer))
{
Document pdoc = new Document(pdf, pageSize);
pdoc.SetMargins(0f, 0f, 0f, 0f);
Appearance coverAppearance = new Appearance(appearance.getAppearanceType(), format, 1);
Appearance currentAppearance;
List <ImageSelection> currentImgsList = new List <ImageSelection>();
List <Image> imgs = new List <Image>();
List <Image> currentImgs = new List <Image>();
for (int i = 0; i < listImages.Count; i++)
{
imgs.Add(new Image(iText.IO.Image.ImageDataFactory.Create(listImages.ElementAt(i).getPath())));
imgs.ElementAt(i).SetHorizontalAlignment(HorizontalAlignment.CENTER);
imgs.ElementAt(i).SetAutoScale(true);
imgStyle(imgs.ElementAt(i), listImages.ElementAt(i));
}
setOrientation = true;
/// First page
Table table = null;
try
{
imgs.ElementAt(0).SetAutoScale(true);
table = tableStyle(coverAppearance, pageSize, pdoc);
table.GetCell(0, 0).SetMargins(0f, 0f, 0f, 0f);
table.GetCell(0, 0).SetPaddings(0f, 0f, 0f, 0f);
table.SetMargins(0f, 0f, 0f, 0f);
table.SetPaddings(0f, 0f, 0f, 0f);
//table.GetCell(0, 0).SetBorder(BorderStyle.FixedSingle);
table.GetCell(0, 0).SetVerticalAlignment(VerticalAlignment.MIDDLE);
table.GetCell(0, 0).Add(imgs.ElementAt(0));
pdoc.Add(table);
if (imgs.Count > 2)
{
pdoc.SetMargins(8.5f, 8.5f, 8.5f, 8.5f);
}
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
MessageBox.Show("There's no image selected !", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
pdoc = null;
//pdf = null;
pdf.AddNewPage();
pdf.Close();
writer.Close();
File.Delete(exportFile);
return;
}
for (int k = 1, p = 0; k < listImages.Count - 1; k++)
{
currentImgsList.Add(listImages.ElementAt(k));
currentImgs.Add(imgs.ElementAt(k));
if (k % appearance.getImgNumber() == 0)
{
currentAppearance = new Appearance(appearance.getAppearanceType(), format, appearance.getImgNumber(), getLandscape(currentImgsList), getPortrait(currentImgsList));
Console.WriteLine(currentAppearance.specialCond);
switch (currentAppearance.specialCond)
{
case "21x15_4P0L": table = Custom.customTable1(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x15_3P1L": table = Custom.customTable2(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x15_2P2L": table = Custom.customTable3(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x15_1P3L": table = Custom.customTable3(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x15_0P4L": table = Custom.customTable3(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_1P2L": table = Custom.customTable4(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_2P1L": table = Custom.customTable5(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_0P3L": table = Custom.customTable6(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_3P0L": table = Custom.customTable7(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_4_1P3L": table = Custom.customTable8(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_4_2P2L": table = Custom.customTable9(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_4_0P4L": table = Custom.customTable10(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_4_3P1L": table = Custom.customTable11(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "20x20_4_4P0L": table = Custom.customTable12(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_4_1P3L": table = Custom.customTable13(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_4_2P2L": table = Custom.customTable14(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_4_3P1L": table = Custom.customTable15(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_4_0P4L": table = Custom.customTable16(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_4_4P0L": table = Custom.customTable17(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_5P1L": table = Custom.customTable18(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_1P5L": table = Custom.customTable19(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_2P4L": table = Custom.customTable20(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_3P3L": table = Custom.customTable21(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_4P2L": table = Custom.customTable22(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_0P6L": table = Custom.customTable23(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
case "21x30_6_6P0L": table = Custom.customTable24(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs); break;
}
Console.WriteLine("Portraits: " + getPortrait(currentImgsList) + "Landscapes: " + getLandscape(currentImgsList));
currentImgsList.Clear();
currentImgs.Clear();
p++;
if (((listImages.Count - 2) / appearance.getImgNumber() == p) && ((listImages.Count - 2) % appearance.getImgNumber() == 0))
{
pdoc.SetMargins(0f, 0f, 0f, 0f);
}
pdoc.Add(table);
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
}
}
if (currentImgsList.Count > 0)
{
currentAppearance = new Appearance("reminder", appearance.getImgNumber());
table = Custom.customTable3(currentAppearance, pageSize, pdoc, currentImgsList, currentImgs);
currentImgsList.Clear();
currentImgs.Clear();
pdoc.Add(table);
pdoc.SetMargins(0f, 0f, 0f, 0f);
pdoc.Add(new AreaBreak(iText.Layout.Properties.AreaBreakType.NEXT_PAGE));
}
imgs.ElementAt(imgs.Count - 1).SetAutoScale(true);
table = tableStyle(coverAppearance, pageSize, pdoc);
table.GetCell(0, 0).SetMargins(0f, 0f, 0f, 0f);
table.GetCell(0, 0).SetPaddings(0f, 0f, 0f, 0f);
table.SetMargins(0f, 0f, 0f, 0f);
table.SetPaddings(0f, 0f, 0f, 0f);
//table.GetCell(0, 0).SetBorder(BorderStyle.FixedSingle);
table.GetCell(0, 0).SetVerticalAlignment(VerticalAlignment.MIDDLE);
table.GetCell(0, 0).Add(imgs.ElementAt(imgs.Count - 1));
pdoc.Add(table);
pdoc.Close();
}
}
}
