/**
* Creates a file specification for an external file.
* @param writer the <CODE>PdfWriter</CODE>
* @param filePath the file path
* @return the file specification
*/
public static PdfFileSpecification FileExtern(PdfWriter writer, String filePath)
{
PdfFileSpecification fs = new PdfFileSpecification();
fs.writer = writer;
fs.Put(PdfName.F, new PdfString(filePath));
return(fs);
}
/**
* Creates a file specification of type URL.
* @param writer the <CODE>PdfWriter</CODE>
* @param url the URL
* @return the file specification
*/
public static PdfFileSpecification Url(PdfWriter writer, String url)
{
PdfFileSpecification fs = new PdfFileSpecification();
fs.writer = writer;
fs.Put(PdfName.FS, PdfName.URL);
fs.Put(PdfName.F, new PdfString(url));
return(fs);
}
/**Creates a Rendition action
* @param file
* @param fs
* @param mimeType
* @param ref
* @return a Media Clip action
* @throws IOException
*/
public static PdfAction Rendition(String file, PdfFileSpecification fs, String mimeType, PdfIndirectReference refi)
{
PdfAction js = new PdfAction();
js.Put(PdfName.S, PdfName.RENDITION);
js.Put(PdfName.R, new PdfRendition(file, fs, mimeType));
js.Put(new PdfName("OP"), new PdfNumber(0));
js.Put(new PdfName("AN"), refi);
return(js);
}
internal PdfMediaClipData(String file, PdfFileSpecification fs, String mimeType)
{
Put(PdfName.TYPE, new PdfName("MediaClip"));
Put(PdfName.S, new PdfName("MCD"));
Put(PdfName.N, new PdfString("Media clip for " + file));
Put(new PdfName("CT"), new PdfString(mimeType));
PdfDictionary dic = new PdfDictionary();
dic.Put(new PdfName("TF"), new PdfString("TEMPACCESS"));
Put(new PdfName("P"), dic);
Put(PdfName.D, fs.Reference);
}
public PdfRendition(String file, PdfFileSpecification fs, String mimeType)
{
Put(PdfName.S, new PdfName("MR"));
Put(PdfName.N, new PdfString("Rendition for " + file));
Put(PdfName.C, new PdfMediaClipData(file, fs, mimeType));
}
/**
* Creates a file specification with the file embedded. The file may
* come from the file system or from a byte array.
* @param writer the <CODE>PdfWriter</CODE>
* @param filePath the file path
* @param fileDisplay the file information that is presented to the user
* @param fileStore the byte array with the file. If it is not <CODE>null</CODE>
* it takes precedence over <CODE>filePath</CODE>
* @param mimeType the optional mimeType
* @param fileParameter the optional extra file parameters such as the creation or modification date
* @param compressionLevel the level of compression
* @throws IOException on error
* @return the file specification
* @since 2.1.3
*/
public static PdfFileSpecification FileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte[] fileStore, String mimeType, PdfDictionary fileParameter, int compressionLevel)
{
PdfFileSpecification fs = new PdfFileSpecification();
fs.writer = writer;
fs.Put(PdfName.F, new PdfString(fileDisplay));
PdfEFStream stream;
Stream inp = null;
PdfIndirectReference refi;
PdfIndirectReference refFileLength;
try {
refFileLength = writer.PdfIndirectReference;
if (fileStore == null)
{
if (File.Exists(filePath))
{
inp = new FileStream(filePath, FileMode.Open, FileAccess.Read);
}
else
{
if (filePath.StartsWith("file:/") || filePath.StartsWith("http://") || filePath.StartsWith("https://"))
{
WebRequest w = WebRequest.Create(filePath);
inp = w.GetResponse().GetResponseStream();
}
else
{
inp = BaseFont.GetResourceStream(filePath);
if (inp == null)
{
throw new IOException(filePath + " not found as file or resource.");
}
}
}
stream = new PdfEFStream(inp, writer);
}
else
{
stream = new PdfEFStream(fileStore);
}
stream.Put(PdfName.TYPE, PdfName.EMBEDDEDFILE);
stream.FlateCompress(compressionLevel);
stream.Put(PdfName.PARAMS, refFileLength);
if (mimeType != null)
{
stream.Put(PdfName.SUBTYPE, new PdfName(mimeType));
}
refi = writer.AddToBody(stream).IndirectReference;
if (fileStore == null)
{
stream.WriteLength();
}
PdfDictionary param = new PdfDictionary();
if (fileParameter != null)
{
param.Merge(fileParameter);
}
param.Put(PdfName.SIZE, new PdfNumber(stream.RawLength));
writer.AddToBody(param, refFileLength);
}
finally {
if (inp != null)
{
try{ inp.Close(); }catch {}
}
}
PdfDictionary f = new PdfDictionary();
f.Put(PdfName.F, refi);
fs.Put(PdfName.EF, f);
return(fs);
}
/** Adds a file attachment at the document level. Existing attachments will be kept.
* @param description the file description
* @param fs the file specification
*/
public void AddFileAttachment(String description, PdfFileSpecification fs)
{
stamper.AddFileAttachment(description, fs);
}
/** Adds a file attachment at the document level. Existing attachments will be kept.
* @param description the file description
* @param fileStore an array with the file. If it's <CODE>null</CODE>
* the file will be read from the disk
* @param file the path to the file. It will only be used if
* <CODE>fileStore</CODE> is not <CODE>null</CODE>
* @param fileDisplay the actual file name stored in the pdf
* @throws IOException on error
*/
public void AddFileAttachment(String description, byte[] fileStore, String file, String fileDisplay)
{
AddFileAttachment(description, PdfFileSpecification.FileEmbedded(stamper, file, fileDisplay, fileStore));
}
/** Creates a file attachment annotation
* @param writer
* @param rect
* @param contents
* @param fs
* @return the annotation
* @throws IOException
*/
public static PdfAnnotation CreateFileAttachment(PdfWriter writer, Rectangle rect, String contents, PdfFileSpecification fs)
{
PdfAnnotation annot = new PdfAnnotation(writer, rect);
annot.Put(PdfName.SUBTYPE, PdfName.FILEATTACHMENT);
if (contents != null)
{
annot.Put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
}
annot.Put(PdfName.FS, fs.Reference);
return(annot);
}
/** Creates a file attachment annotation.
* @param writer the <CODE>PdfWriter</CODE>
* @param rect the dimensions in the page of the annotation
* @param contents the file description
* @param fileStore an array with the file. If it's <CODE>null</CODE>
* the file will be read from the disk
* @param file the path to the file. It will only be used if
* <CODE>fileStore</CODE> is not <CODE>null</CODE>
* @param fileDisplay the actual file name stored in the pdf
* @throws IOException on error
* @return the annotation
*/
public static PdfAnnotation CreateFileAttachment(PdfWriter writer, Rectangle rect, String contents, byte[] fileStore, String file, String fileDisplay)
{
return(CreateFileAttachment(writer, rect, contents, PdfFileSpecification.FileEmbedded(writer, file, fileDisplay, fileStore)));
}
/**
* Creates a screen PdfAnnotation
* @param writer
* @param rect
* @param clipTitle
* @param fs
* @param mimeType
* @param playOnDisplay
* @return a screen PdfAnnotation
* @throws IOException
*/
public static PdfAnnotation CreateScreen(PdfWriter writer, Rectangle rect, String clipTitle, PdfFileSpecification fs,
String mimeType, bool playOnDisplay)
{
PdfAnnotation ann = new PdfAnnotation(writer, rect);
ann.Put(PdfName.SUBTYPE, PdfName.SCREEN);
ann.Put(PdfName.F, new PdfNumber(FLAGS_PRINT));
ann.Put(PdfName.TYPE, PdfName.ANNOT);
ann.SetPage();
PdfIndirectReference refi = ann.IndirectReference;
PdfAction action = PdfAction.Rendition(clipTitle, fs, mimeType, refi);
PdfIndirectReference actionRef = writer.AddToBody(action).IndirectReference;
// for play on display add trigger event
if (playOnDisplay)
{
PdfDictionary aa = new PdfDictionary();
aa.Put(new PdfName("PV"), actionRef);
ann.Put(PdfName.AA, aa);
}
ann.Put(PdfName.A, actionRef);
return(ann);
}
