Пример #1
0
        public static PdfReader CreatePdfReaderFromImage(byte[] sourceBytes, Rectangle pageSize, Margins margins)
        {
            Image image = Image.GetInstance(sourceBytes);

            if (pageSize == null)
            {
                pageSize = new Rectangle(image.ScaledWidth + margins.Left + margins.Right + 1, image.ScaledHeight + margins.Top + margins.Bottom + 1);
            }
            else
            {
                //Р}ВћСеВЂВ≥
                float width  = pageSize.Width - (margins.Left + margins.Right + 1);
                float height = pageSize.Height - (margins.Top + margins.Bottom + 1);
                if (width <= 0 || height <= 0)
                {
                    throw new IOException("Margin is too big.");
                }
                image.ScaleToFit(width, height);
            }

            using (var document = new Document(pageSize, margins.Left, margins.Right, margins.Top, margins.Bottom))
            {
                using (var stream = new MemoryStream())
                {
                    using (var writer = PdfWriter.GetInstance(document, stream))
                    {
                        document.Open();
                        document.Add(image);
                        document.Close();
                    }
                    var pdfArray = stream.ToArray();
                    return(new PdfReader(pdfArray));
                }
            }
        }
Пример #2
0
 internal static PdfReader CreatePdfReaderFromTiff(byte[] sourceBytes, Rectangle pageSize, Margins margins)
 {
     using (var document = new Document())
     {
         using (var stream = new MemoryStream())
         {
             using (var writer = PdfWriter.GetInstance(document, stream))
             {
                 var ra            = new RandomAccessFileOrArray(sourceBytes);
                 int numberOfPages = TiffImage.GetNumberOfPages(ra);
                 for (int i = 1; i <= numberOfPages; i++)
                 {
                     var       image           = TiffImage.GetTiffImage(ra, i);
                     Rectangle currentPageSize = pageSize == null ? new Rectangle(image.ScaledWidth + margins.Left + margins.Right + 1, image.ScaledHeight + margins.Top + margins.Bottom + 1) : pageSize;
                     document.SetPageSize(currentPageSize);
                     document.SetMargins(margins.Left, margins.Right, margins.Top, margins.Bottom);
                     if (i == 1)
                     {
                         document.Open();
                     }
                     else
                     {
                         document.NewPage();
                     }
                     if (pageSize != null)
                     {
                         float width  = pageSize.Width - (margins.Left + margins.Right + 1);
                         float height = pageSize.Height - (margins.Top + margins.Bottom + 1);
                         if (width <= 0 || height <= 0)
                         {
                             throw new IOException("Margin is too big.");
                         }
                         image.ScaleToFit(width, height);
                     }
                     document.Add(image);
                 }
                 document.Close();
                 ra.Close();
             }
             var pdfArray = stream.ToArray();
             return(new PdfReader(pdfArray));
         }
     }
 }