private void button1_Click(object sender, EventArgs e)
{
String input = @"..\..\..\..\..\..\Data\SearchReplaceTemplate.pdf";
PdfDocument doc = new PdfDocument();
// Read a pdf file
doc.LoadFromFile(input);
// Get the first page of pdf file
PdfPageBase page = doc.Pages[0];
// Create PdfTextFindCollection object to find all the matched phrases
PdfTextFindCollection collection = page.FindText("Spire.PDF for .NET", TextFindParameter.IgnoreCase);
// Create a StringBuilder object to put the details of the text searched
StringBuilder builder = new StringBuilder();
foreach (PdfTextFind find in collection.Finds)
{
builder.AppendLine("==================================================================================");
builder.AppendLine("Match Text: " + find.MatchText);
builder.AppendLine("Text: " + find.SearchText);
builder.AppendLine("Size: " + find.Size);
builder.AppendLine("Position: " + find.Position);
builder.AppendLine("The index of page which is including the searched text : " + find.SearchPageIndex);
builder.AppendLine("The line that contains the searched text : " + find.LineText);
builder.AppendLine("Match Text: " + find.MatchText);
}
String result = "GetDetailsOfSearchedText_out.txt";
File.WriteAllText(result, builder.ToString());
//Launch the result file
DocumentViewer(result);
}
private void button1_Click(object sender, EventArgs e)
{
String input = @"..\..\..\..\..\..\Data\SearchReplaceTemplate.pdf";
PdfDocument doc = new PdfDocument();
// Read a pdf file
doc.LoadFromFile(input);
// Get the first page of pdf file
PdfPageBase page = doc.Pages[0];
// Create PdfTextFindCollection object to find all the matched phrases
PdfTextFindCollection collection = page.FindText("e-iceblue", TextFindParameter.IgnoreCase);
// hyperlink url
String url = "http://www.e-iceblue.com";
foreach (PdfTextFind find in collection.Finds)
{
// Create a PdfUriAnnotation object to add hyperlink for the searched text
PdfUriAnnotation uri = new PdfUriAnnotation(find.Bounds);
uri.Uri = url;
uri.Border = new PdfAnnotationBorder(1f);
uri.Color = Color.Blue;
page.AnnotationsWidget.Add(uri);
}
String result = "SearchTextAndAddHyperlink_out.pdf";
//Save the document
doc.SaveToFile(result);
//Launch the Pdf file
PDFDocumentViewer(result);
}
private void button1_Click(object sender, EventArgs e)
{
String input = @"..\..\..\..\..\..\Data\SearchReplaceTemplate.pdf";
PdfDocument doc = new PdfDocument();
// Read a pdf file
doc.LoadFromFile(input);
// Get the first page of pdf file
PdfPageBase page = doc.Pages[0];
// Create PdfTextFindCollection object to find all the matched phrases
PdfTextFindCollection collection = page.FindText("Spire.PDF for .NET", TextFindParameter.IgnoreCase);
foreach (PdfTextFind find in collection.Finds)
{
// Draw a rectangle with red pen
page.Canvas.DrawRectangle(new PdfPen(PdfBrushes.Red, 0.9f), find.Bounds);
}
String result = "SearchTextAndDrawRectangle_out.pdf";
//Save the document
doc.SaveToFile(result);
//Launch the Pdf file
PDFDocumentViewer(result);
}
//向签发日期后添加日期
/// <summary>
/// 向签发日期后添加日期
/// </summary>
/// <param name="oldPath"></param>
/// <param name="newPath"></param>
/// <param name="flagTxt">要查找的字符串</param>
/// <param name="issueDate">要写入的日期</param>
public void addIssueDateToPdf(string oldPath, string newPath, string flagTxt, string issueDate)
{
try
{
//Create a pdf document
PdfDocument doc = new PdfDocument();
doc.LoadFromFile(oldPath);
PdfPageBase page = null;
PdfTextFind[] result = null;
for (int i = 2; i < doc.Pages.Count; i++)
{
page = doc.Pages[i];
try
{
//pdfTextFindCollection = page.FindText(flagTxt);
//pdfTextFindCollection = page.ExecuteCommandFindText(flagTxt);
PdfTextFindCollection pdfTextFindCollection = page.FindText(flagTxt);
result = pdfTextFindCollection.Finds;
}catch (Exception ex)
{
classLims_NPOI.WriteLog("查询标记字符串时出错,可能是文件损坏或编码格式错误!\n"
+ ex.ToString(), "");
continue;
}
if (result.Length > 0)
{
break;
}
}
//如果没找到标记字符串,记录并返回
if (result == null || result.Length == 0)
{
classLims_NPOI.WriteLog("标记字符串未找到", "");
return;
}
//获取第一次出现文字的坐标，宽度和高度
PointF pointf = result[0].Position;
//获取文字的宽高
SizeF size = result[0].Size;
AlignText(page, issueDate, pointf.X + size.Width + 50, pointf.Y + 3);
//save pdf file
doc.SaveToFile(newPath);
doc.Close();
}
catch (Exception ex)
{
classLims_NPOI.WriteLog(ex, "");
}
}
private void button1_Click(object sender, EventArgs e)
{
String input = @"..\..\..\..\..\..\Data\SearchReplaceTemplate.pdf";
PdfDocument doc = new PdfDocument();
// Read a pdf file
doc.LoadFromFile(input);
// Get the first page of pdf file
PdfPageBase page = doc.Pages[0];
// Create PdfTextFindCollection object to find all the phrases matching the regular expression
PdfTextFindCollection collection = page.FindText("\\d{4}", TextFindParameter.IgnoreCase);
String newText = "New Year";
// Creates a brush
PdfBrush brush = new PdfSolidBrush(Color.DarkBlue);
// Defines a font
PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", 7f, FontStyle.Bold));
// Defines text horizontal/vertical center format
PdfStringFormat centerAlign = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);
RectangleF rec;
foreach (PdfTextFind find in collection.Finds)
{
// Gets the bound of the found text in page
rec = find.Bounds;
page.Canvas.DrawRectangle(PdfBrushes.GreenYellow, rec);
// Draws new text as defined font and color
page.Canvas.DrawString(newText, font, brush, rec, centerAlign);
// This method can directly replace old text with newText,but it just can set the background color, can not set font/forecolor
// find.ApplyRecoverString(newText, Color.Gray);
}
String result = "ReplaceTextWithRegularExpression_out.pdf";
//Save the document
doc.SaveToFile(result);
//Launch the Pdf file
PDFDocumentViewer(result);
}
private void button1_Click(object sender, EventArgs e)
{
String input = @"..\..\..\..\..\..\Data\SearchReplaceTemplate.pdf";
PdfDocument doc = new PdfDocument();
// Read a pdf file
doc.LoadFromFile(input);
// Get the first page of pdf file
PdfPageBase page = doc.Pages[0];
// Searches "Spire.PDF for .NET" by ignoring case
PdfTextFindCollection collection = page.FindText("Spire.PDF for .NET", TextFindParameter.IgnoreCase);
String newText = "E-iceblue Spire.PDF";
// Creates a brush
PdfBrush brush = new PdfSolidBrush(Color.DarkBlue);
// Defines a font
PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", 12f, FontStyle.Regular));
RectangleF rec;
foreach (PdfTextFind find in collection.Finds)
{
// Gets the bound of the found text in page
rec = find.Bounds;
page.Canvas.DrawRectangle(PdfBrushes.White, rec);
// Draws new text as defined font and color
page.Canvas.DrawString(newText, font, brush, rec);
// This method can directly replace old text with newText,but it just can set the background color, can not set font/forecolor
// find.ApplyRecoverString(newText, Color.Gray);
}
String result = "ReplaceAllSearchedText_out.pdf";
//Save the document
doc.SaveToFile(result);
//Launch the Pdf file
PDFDocumentViewer(result);
}
//向PDF指定位置添加图片
/// <summary>
/// 向PDF指定位置添加图片,按照标记字符串
/// </summary>
/// <param name="filePath"></param>
/// <param name="newPath"></param>
/// <param name="flagTxt">标记字符串</param>
/// <param name="imgPath">图片路径</param>
/// <param name="imgHeight">图片高度,为0时使用图片原始高度</param>
/// <param name="imgWidth">图片宽度,为0时使用图片原始宽度</param>
public void addImage2Pdf_path(string filePath, string newPath, string flagTxt, string imgPath, float imgWidth, float imgHeight)
{
try
{
//Create a pdf document
PdfDocument doc = new PdfDocument();
doc.LoadFromFile(filePath);
PdfPageBase page = null;
PdfTextFind[] result = null;
for (int i = 0; i < doc.Pages.Count; i++)
{
page = doc.Pages[i];
PdfTextFindCollection pdfTextFindCollection = null;
//pdfTextFindCollection = page.FindText(flagTxt);
//pdfTextFindCollection = page.ExecuteCommandFindText(flagTxt);
pdfTextFindCollection = page.FindText(flagTxt);
if (pdfTextFindCollection == null)
{
continue;
}
result = pdfTextFindCollection.Finds;
if (result.Length > 0)
{
break;
}
}
//如果没找到标记字符串,记录并返回
if (result == null || result.Length == 0)
{
classLims_NPOI.WriteLog("标记字符串未找到", "");
return;
}
//获取第一次出现文字的坐标，宽度和高度
PointF pointf = result[0].Position;
//获取文字的宽高
SizeF size = result[0].Size;
if (!File.Exists(imgPath))
{
classLims_NPOI.WriteLog("图片文件未找到", "");
return;
}
PdfImage image = PdfImage.FromFile(imgPath);
float width = imgWidth;
float height = imgHeight;
if (imgWidth == 0)
{
width = image.Width;
}
if (imgHeight == 0)
{
height = image.Height;
}
//签名图片Y轴位置为 始终和标记字符串居中对齐
pointf.Y = pointf.Y - (height - size.Height) / 2;
//insert image
page.Canvas.DrawImage(image, pointf.X, pointf.Y, width, height);
//save pdf file
doc.SaveToFile(newPath);
doc.Close();
}
catch (Exception ex)
{
classLims_NPOI.WriteLog(ex, "");
}
}
