你将如何以编程方式在PDF中嵌入SWF? [英] How would you programmatically embed a SWF in a PDF?
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问题描述
是否可以以编程方式将SWF嵌入到来自C#应用程序的PDF中?
可以使用c#端口的iText库。它叫做iTextSharp。一个例子,代码可能是这样的:
//创建一个输出文件流,用来捕获生成的文件
string outputFileName =output.pdf;
FileStream outputFile = new FileStream(outputFileName,FileMode.Create);
//将原始PDF文件作为PdfReader
打开PdfReader reader = new PdfReader(inputfile.pdf);
//以pdf格式打开输出pdf文件
PdfStamper stamper = new PdfStamper(reader,outputFile);
//在文档开始处插入一个空白页面
stamper.InsertPage(1,PageSize.A4);
//将flash文件作为注释添加到输出文档中
PdfFileSpecification fs = PdfFileSpecification.FileEmbedded(stamper.Writer,flashFileTextBox.Text,flashFileTextBox.Text,null);
PdfAnnotation flashInsert = PdfAnnotation.CreateScreen(stamper.Writer,new Rectangle(50f,791f,545f,420f),Flash Insert,fs,application / x-shockwave-flash,true);
stamper.AddAnnotation(flashInsert,1);
stamper.Close();
reader.Close();
Is it possible to programmatically embed a SWF in a PDF from a C# application?
解决方案
You can use the c# port of the iText library. It's called iTextSharp.
An example of what the code could look like:
// create an output file stream which will be used to capture the generated file
string outputFileName = "output.pdf";
FileStream outputFile = new FileStream(outputFileName, FileMode.Create);
// open the original pdf file as a PdfReader
PdfReader reader = new PdfReader("inputfile.pdf");
// open the output pdf file as a PdfStamper
PdfStamper stamper = new PdfStamper(reader, outputFile);
// inserts a blank page at the start of the document
stamper.InsertPage(1, PageSize.A4);
// add the flash file to the output document as an annotation
PdfFileSpecification fs = PdfFileSpecification.FileEmbedded(stamper.Writer, flashFileTextBox.Text, flashFileTextBox.Text, null);
PdfAnnotation flashInsert = PdfAnnotation.CreateScreen(stamper.Writer, new Rectangle(50f,791f,545f,420f),"Flash Insert",fs, "application/x-shockwave-flash", true);
stamper.AddAnnotation(flashInsert,1);
stamper.Close();
reader.Close();
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