/// <summary>
/// Converte immagine da stream in pdf su stream
/// </summary>
/// <param name="srcImageStream"></param>
/// <param name="outPdfStream"></param>
public void ImageBufferToPdfStream(byte[] image, Stream outPdfStream)
{
var wp = new WriterProperties().AddXmpMetadata().SetFullCompressionMode(true).SetPdfVersion(PdfVersion.PDF_1_4);
var w = new PdfWriter(outPdfStream, wp);
w.SetCloseStream(false);
var doc = new PdfDocument(w);
var info = doc.GetDocumentInfo();
//Dati PDF
if (!string.IsNullOrEmpty(this.Author))
{
info.SetAuthor(this.Author);
}
if (!string.IsNullOrEmpty(this.Title))
{
info.SetTitle(this.Title);
}
if (!string.IsNullOrEmpty(this.Subject))
{
info.SetSubject(this.Subject);
}
var hlDoc = new Document(doc);
var img = ImageDataFactory.Create(image, true);
if (img is TiffImageData)
{
var numFrames = TiffImageData.GetNumberOfPages(image);
for (int iPage = 1; iPage <= numFrames; iPage++)
{
img = ImageDataFactory.CreateTiff(image, false, iPage, false);
using (var ms = new MemoryStream())
{
var imgPdf = new Image(img);
imgPdf.SetFixedPosition(0, 0);
doc.AddNewPage(new PageSize(imgPdf.GetImageWidth(), imgPdf.GetImageHeight()));
hlDoc.Add(imgPdf);
}
}
}
else
{
doc.AddNewPage(new PageSize(img.GetWidth(), img.GetHeight()));
var imgPdf = new Image(img);
imgPdf.SetFixedPosition(0, 0);
hlDoc.Add(imgPdf);
}
doc.Close();
}
/// <summary>
/// Retrieves
/// <see cref="iText.IO.Image.ImageData"/>
/// from the
/// input
/// <see cref="System.IO.FileInfo"/>.
/// </summary>
/// <param name="inputImage">
/// input image as
/// <see cref="System.IO.FileInfo"/>
/// </param>
/// <returns>
/// list of
/// <see cref="iText.IO.Image.ImageData"/>
/// objects
/// (more than one element in the list if it is a multipage tiff)
/// </returns>
internal static IList <ImageData> GetImageData(FileInfo inputImage)
{
IList <ImageData> images = new List <ImageData>();
String ext = "";
int index = inputImage.FullName.LastIndexOf('.');
if (index > 0)
{
ext = new String(inputImage.FullName.ToCharArray(), index + 1, inputImage.FullName.Length - index - 1);
if ("tiff".Equals(ext.ToLowerInvariant()) || "tif".Equals(ext.ToLowerInvariant()))
{
int tiffPages = GetNumberOfPageTiff(inputImage);
for (int page = 0; page < tiffPages; page++)
{
byte[] bytes = File.ReadAllBytes(inputImage.FullName);
ImageData imageData = ImageDataFactory.CreateTiff(bytes, true, page + 1, true);
images.Add(imageData);
}
}
else
{
try {
ImageData imageData = ImageDataFactory.Create(inputImage.FullName);
images.Add(imageData);
}
catch (iText.IO.IOException e) {
LOGGER.Error(MessageFormatUtil.Format(PdfOcrLogMessageConstant.CANNOT_READ_INPUT_IMAGE, e.Message));
throw new OcrException(OcrException.CANNOT_READ_INPUT_IMAGE, e);
}
}
}
return(images);
}
public virtual void CreateTiffImageTest()
{
String outFileName = destinationFolder + "createTiffImageTest.pdf";
String cmpFileName = sourceFolder + "cmp_createTiffImageTest.pdf";
String imgPath = sourceFolder + "group4Compression.tif";
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(outFileName));
Document document = new Document(pdfDoc);
ImageData id = ImageDataFactory.Create(imgPath);
ImageData idAsTiff = ImageDataFactory.CreateTiff(UrlUtil.ToURL(imgPath), true, 1, true);
ImageData idAsTiffFalse = ImageDataFactory.CreateTiff(UrlUtil.ToURL(imgPath), false, 1, false);
document.Add(new iText.Layout.Element.Image(id));
document.Add(new iText.Layout.Element.Image(idAsTiff));
document.Add(new iText.Layout.Element.Image(idAsTiffFalse));
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outFileName, cmpFileName, destinationFolder
));
}
static void Main(string[] args)
{
PdfWriter writer = new PdfWriter("C:\\Users\\Bill\\Desktop\\out.pdf");
PdfDocument pdf = new PdfDocument(writer);
Document document = new Document(pdf);
Uri tiffFqn = UrlUtil.ToURL("C:\\Users\\Bill\\Desktop\\Multipage Test Image.tif");
IRandomAccessSource iRandomAccessSource = new RandomAccessSourceFactory().CreateSource(tiffFqn);
RandomAccessFileOrArray randomAccessFileOrArray = new RandomAccessFileOrArray(iRandomAccessSource);
int tiffPageCount = TiffImageData.GetNumberOfPages(randomAccessFileOrArray);
for (int i = 1; i <= tiffPageCount; i++)
{
Image tiffPage = new Image(ImageDataFactory.CreateTiff(tiffFqn, true, i, true));
document.Add(tiffPage);
}
document.Close();
}
public virtual void CreatePdf(String dest)
{
PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
Document document = new Document(pdf);
Image img;
// Animated GIF
Uri url1 = UrlUtil.ToURL(TEST1);
IList <ImageData> list = ImageDataFactory.CreateGifFrames(url1);
foreach (ImageData data in list)
{
img = new iText.Layout.Element.Image(data);
document.Add(img);
}
// JBIG2
Uri url2 = UrlUtil.ToURL(TEST2);
IRandomAccessSource ras2 = new RandomAccessSourceFactory().CreateSource(url2);
RandomAccessFileOrArray raf2 = new RandomAccessFileOrArray(ras2);
int pages2 = Jbig2ImageData.GetNumberOfPages(raf2);
for (int i = 1; i <= pages2; i++)
{
img = new iText.Layout.Element.Image(ImageDataFactory.CreateJbig2(url2, i));
document.Add(img);
}
// TIFF
Uri url3 = UrlUtil.ToURL(TEST3);
IRandomAccessSource ras3 = new RandomAccessSourceFactory().CreateSource(url3);
RandomAccessFileOrArray raf3 = new RandomAccessFileOrArray(ras3);
int pages3 = TiffImageData.GetNumberOfPages(raf3);
for (int i_1 = 1; i_1 <= pages3; i_1++)
{
img = new iText.Layout.Element.Image(ImageDataFactory.CreateTiff(url3, true, i_1, true));
document.Add(img);
}
document.Close();
}