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using System;
using System.Drawing;
using System.Text;
using Aspose.Pdf;
using Aspose.Pdf.Text;
namespace replacePDF
{
class Program
{
//以下注释中的代码用于打包单文件版
//static Program() {
// AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
//}
//static System.Reflection.Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
//{
// //获取加载失败的程序集的全名
// var assName = new System.Reflection.AssemblyName(args.Name).FullName;
// if (args.Name == "Aspose.Pdf, Version=10.1.0.0, Culture=neutral, PublicKeyToken=00725b1ceb58d0a9")
// {
// //读取资源
// using (var stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("replacePDF.Aspose.Pdf.dll"))
// {
// var bytes = new byte[stream.Length];
// stream.Read(bytes, 0, (int)stream.Length);
// return System.Reflection.Assembly.Load(bytes);//加载资源文件中的dll,代替加载失败的程序集
// }
// }
// throw new DllNotFoundException(assName);
//}
class textStyle
{
public bool hasFont = false;
public Aspose.Pdf.Text.Font Font;
public int Underline = -1;
public int Index;
public float Size = -1;
public float LineSpacing = -1;
public System.Drawing.Color Color = System.Drawing.Color.Empty;
public System.Drawing.Color BgColor = System.Drawing.Color.Empty;
}
static void Usage()
{
Console.WriteLine(
"replacePDF - Replace text in Pdf. version 1.0 by CrLf [bathome.net]\r\n" +
"\r\n" +
"Usage: replacePDF.exe textSrc textDst fileSrc fileDst [/option value]\r\n"+
" textSrc The text before replace\r\n"+
" textDst The text after replace\r\n"+
" fileSrc Specifies the source file to replace\r\n"+
" fileDst Specifies the file to save\r\n" +
" /index num Replace on the NO.? Matchs\r\n" +
" /font fontName Specifies the font name, such as \"Verdana\"\r\n"+
" /size fontSize Specifies the font size, such as 12.5\r\n"+
" /color color Specifies the text color, such as \"red\" or \"#ff0000\"\r\n"+
" /bgcolor color Specifies the background color, such as \"red\" or \"#ff0000\"\r\n"+
" /underline bool Enable text underline, such as \"true\" or \"false\"\r\n"
);
exit(0);
}
static int Replace(String textSrc, String textDst, String fileSrc, String fileDst, textStyle style)
{
int count_replace = 0,
count_success = 0,
count_fail = 0;
Document pdfDocument = new Document(fileSrc);
TextFragmentAbsorber textFragmentAbsorber = new TextFragmentAbsorber(textSrc);
//accept the absorber for all the pages
//textFragmentAbsorber.TextSearchOptions.;
pdfDocument.Pages.Accept(textFragmentAbsorber);
//get the extracted text fragments
TextFragmentCollection textFragmentCollection = textFragmentAbsorber.TextFragments;
//loop through the fragments
foreach (TextFragment textFragment in textFragmentCollection)
{
try
{
count_replace ++;
if (style.Index>0 && style.Index == count_replace) continue;
//update text and other properties
textFragment.Text = textDst;
if (style.hasFont) textFragment.TextState.Font = style.Font;
if (style.Size >= 0) textFragment.TextState.FontSize = style.Size;
if (style.LineSpacing >= 0) textFragment.TextState.LineSpacing = style.LineSpacing;
if (style.Color != System.Drawing.Color.Empty) textFragment.TextState.ForegroundColor = Aspose.Pdf.Color.FromRgb(style.Color);
if (style.BgColor != System.Drawing.Color.Empty) textFragment.TextState.ForegroundColor = Aspose.Pdf.Color.FromRgb(style.BgColor);
if (style.Underline >= 0) textFragment.TextState.Underline = style.Underline > 0;
count_success ++;
Console.Error.WriteLine("* Replaced["+count_success+"]: Successfully on page "+textFragment.Page.Number);
}
catch (Exception e)
{
count_fail ++;
Console.Error.WriteLine("* Error[" + count_fail + "]: " + e.Message);
}
}
pdfDocument.Save(fileDst);
if (count_success != 0)
{
Console.WriteLine("Success: \"" + fileSrc + "\"");
}
else
{
Console.WriteLine("Fail: \"" + fileSrc + "\"");
}
return count_fail != 0 ? 1 : 0;
}
static void exit(int exitCode) {
Environment.Exit(exitCode);
}
static void Main(string[] args)
{
String textSrc = "",
textDst = "",
fileSrc = "",
fileDst = "";
textStyle style = new textStyle();
if (args.Length >= 4)
{
textSrc = args[0];
textDst = args[1];
fileSrc = args[2];
fileDst = args[3];
for (int i = 4; i < args.Length; i += 2)
{
String option = args[i].ToLower();
String value;
try
{
switch (option)
{
case "/help":
case "/?":
Usage();
break;
}
if (i + 1 >= args.Length)
{
throw new Exception("Error: Wrong value \"\".");
}
else
{
value = args[i + 1];
}
switch (option)
{
case "/font":
style.Font = FontRepository.FindFont(value);
style.hasFont = true;
break;
case "/size":
if (!float.TryParse(value, out style.Size) || style.Size <= 0)
{
throw new Exception("Error: Wrong value \"" + value + "\".");
}
break;
case "/index":
if (!int.TryParse(value, out style.Index) || style.Index <= 0)
{
throw new Exception("Error: Wrong value \"" + value + "\".");
}
break;
case "/height":
if (!float.TryParse(value, out style.LineSpacing) || style.LineSpacing <= 0)
{
throw new Exception("Error: Wrong value \"" + value + "\".");
}
break;
case "/color":
style.Color = System.Drawing.ColorTranslator.FromHtml(value);
break;
case "/bgcolor":
style.BgColor = System.Drawing.ColorTranslator.FromHtml(value);
break;
case "/underline":
if (value.ToLower() == "true")
{
style.Underline = 1;
}
else if (value.ToLower() == "false")
{
style.Underline = 0;
}
else
{
throw new Exception("Error: Wrong value \"" + value + "\".");
}
break;
default:
throw new Exception("Error: Unknow option \"" + option + "\".");
}
}
catch (Exception e)
{
Console.Error.WriteLine("Error: " + e.Message);
Environment.Exit(2);
}
}
try
{
int exitCode = Replace(textSrc, textDst, fileSrc, fileDst, style);
Environment.Exit(exitCode);
}
catch (Exception e)
{
Console.Error.WriteLine("Error: " + e.Message);
}
}
else {
Usage();
}
}
}
}