Example #1
0
        }                                                                 // 'ARGB'

        public override ImageMetaData ReadMetaData(IBinaryStream file)
        {
            var header = file.ReadHeader(0x19);

            if (!header.AsciiEqual("ARGBSaveData1\0") || header[0x10] != 3)
            {
                return(null);
            }
            const uint image_offset = 0x19;
            uint       image_size   = header.ToUInt32(0x11);
            uint       mask_size    = header.ToUInt32(0x15);

            using (var jpeg = OpenStreamRegion(file, image_offset, image_size))
            {
                var info = Jpeg.ReadMetaData(jpeg);
                if (null == info)
                {
                    return(null);
                }
                return(new ArgbMetaData {
                    Width = info.Width,
                    Height = info.Height,
                    BPP = 32,
                    ImageOffset = image_offset,
                    ImageLength = image_size,
                    MaskLength = mask_size,
                });
            }
        }
        public static void GeneratePODForm(string templateFormsPath, string podFilePath, string receivedBy, string receivingTime, string signature)
        {
            PdfReader reader = new PdfReader(templateFormsPath);

            //select three pages from the original document
            reader.SelectPages("1-3");
            //create PdfStamper object to write to get the pages from reader
            PdfStamper stamper = new PdfStamper(reader, new FileStream(podFilePath, FileMode.Create));

            Rectangle pagesize = reader.GetPageSize(1);

            // PdfContentByte from stamper to add content to the pages over the original content
            PdfContentByte pbover  = stamper.GetOverContent(1);
            PdfContentByte pbunder = stamper.GetUnderContent(1);

            //add content to the page using ColumnText
            ColumnText.ShowTextAligned(pbover, Element.ALIGN_LEFT, new Phrase(receivedBy), pagesize.Left + 320, pagesize.Bottom + 90, 0);
            ColumnText.ShowTextAligned(pbover, Element.ALIGN_LEFT, new Phrase(receivingTime), pagesize.Left + 400, pagesize.Bottom + 60, 0);

            // PdfContentByte from stamper to add content to the pages under the original content
            //add image from a file
            iTextSharp.text.Image img = new Jpeg(imageToByteArray(System.Drawing.Image.FromFile(signature)));
            //add the image under the original content
            img.SetAbsolutePosition(pagesize.Left + 380, pagesize.Bottom + 10);
            pbunder.AddImage(img);

            //pbunder.AddImage(img, img.Width / 2, 0, 0, img.Height / 2, 0, 0);

            //close the stamper
            stamper.Close();
        }
        private void PopulateFileResourceDataAsImage()
        {
            var fileResourceDataAsMemoryStream = new MemoryStream(FileResourceData.Data);

            _photo           = new Jpeg(new System.Drawing.Bitmap(fileResourceDataAsMemoryStream));
            _hasCheckedPhoto = true;
        }
Example #4
0
        public static BitmapSource ApplyDiscreteCosineTransform(BitmapSource bitmap, object parameter)
        {
            var dctParameters = (DctParameters)parameter;
            var encoded       = DctAlgorithm.ApplyDct(bitmap, dctParameters);

            Jpeg.Save(encoded, dctParameters);
            return(null);
        }
Example #5
0
 public void Throws_StreamTooSmall_When_Stream_Empty()
 {
     // empty memory stream
     using (MemoryStream stream = new MemoryStream())
     {
         Assert.Throws <Exceptions.StreamTooSmallException>(() => Jpeg.GetDimensions(stream));
     }
 }
Example #6
0
        private bool ExistAnyDateTimeExifTag(ref Jpeg VtJpeg)
        {
            bool ExifDateTime          = VtJpeg.ExistPropertyItem(PropertyTagId.DateTime);
            bool ExifDateTimeDigitized = VtJpeg.ExistPropertyItem(PropertyTagId.DateTimeDigitized);
            bool ExifDateTimeOriginal  = VtJpeg.ExistPropertyItem(PropertyTagId.DateTimeOriginal);

            return(ExifDateTime | ExifDateTimeDigitized | ExifDateTimeOriginal);
        }
Example #7
0
 public override ImageMetaData ReadMetaData(IBinaryStream file)
 {
     if ((file.Signature & 0xFFFFFF) != 0xFDFF00)
     {
         return(null);
     }
     using (var jpeg = OpenAsJpeg(file))
         return(Jpeg.ReadMetaData(jpeg));
 }
Example #8
0
        public void Should_Read_From_SOF0()
        {
            using (Stream fileStream = File.OpenRead(@"testimages\SOF0_1280x853.jpg"))
            {
                Dimensions dimensions = Jpeg.GetDimensions(fileStream);

                Assert.Equal(1280, dimensions.Width);
                Assert.Equal(853, dimensions.Height);
            }
        }
Example #9
0
        public void Should_Read_From_SOF2()
        {
            using (Stream fileStream = File.OpenRead(@"testimages\SOF2_800x600.jpg"))
            {
                Dimensions dimensions = Jpeg.GetDimensions(fileStream);

                Assert.Equal(800, dimensions.Width);
                Assert.Equal(600, dimensions.Height);
            }
        }
Example #10
0
        public void Throws_BadSegmentSize_When_Stream_Ends()
        {
            byte[] headerBuffer = new byte[4];

            // the stream is empty so it should throw when trying to get next bytes
            using (MemoryStream jpegStream = new MemoryStream(new byte[0]))
            {
                Assert.Throws <Exceptions.BadSegmentSizeException>(() => Jpeg.FindNextSegment(jpegStream, headerBuffer));
            }
        }
Example #11
0
        public void Should_Read_From_Image_With_Bad_Segment_Size()
        {
            // this image has a bad segment size that must be recovered from, it also has LOADS of metadata
            using (Stream fileStream = File.OpenRead(@"testimages\Bad_Segment_Size_4596x3418.jpg"))
            {
                Dimensions dimensions = Jpeg.GetDimensions(fileStream);

                Assert.Equal(4596, dimensions.Width);
                Assert.Equal(3418, dimensions.Height);
            }
        }
Example #12
0
        public override ImageMetaData ReadMetaData(IBinaryStream stream)
        {
            var header = stream.ReadHeader(2);

            if (header[0] != 0 || header[1] != 0x93)
            {
                return(null);
            }
            using (var jpg = OpenEncrypted(stream))
                return(Jpeg.ReadMetaData(jpg));
        }
Example #13
0
        public void Should_Read_From_SOF0_With_CMYK()
        {
            // this image has I higher number of components than normal because of photometric interpretation CMYK
            using (Stream fileStream = File.OpenRead(@"testimages\CMYK_SOF0_5100x3300.jpg"))
            {
                Dimensions dimensions = Jpeg.GetDimensions(fileStream);

                Assert.Equal(5100, dimensions.Width);
                Assert.Equal(3300, dimensions.Height);
            }
        }
Example #14
0
        private string GetExifString(ref Jpeg VtJpeg, string Key)
        {
            PropertyTagId PTagId = GetPIdFromStr(Key);

            if (VtJpeg.ExistPropertyItem(PTagId))
            {
                return(VtJpeg.GetPropertyItemAsString(PTagId));
            }
            else
            {
                return("");
            }
        }
Example #15
0
        public void Save_Jpeg(long quality)
        {
            var filename = "lena.png";

            using (var resizer = new ImageResizer(GetSource(filename)))
            {
                resizer.ResizeMode = ImageResizeMode.HighQuality;
                resizer.Width      = 256;

                var dest = SavePath(resizer, "jpeg", ".jpg");
                resizer.Save(dest, Jpeg.Format, Jpeg.Quality(quality));
                Assert.That(Io.Exists(dest), Is.True);
            }
        }
Example #16
0
        public static BitmapSource DecodeDct(DctParameters dctParameters)
        {
            var encoded             = Jpeg.Load(dctParameters);
            var encodedMatrices     = SplitToBlocksInt(encoded, 8);
            var dequantizedMatrices = DequantizeMatrices(encodedMatrices, dctParameters);
            var dct           = GetDctMatrix();
            var transposedDct = dct.Transpose();
            var inversedDct   = ApplyDct(dequantizedMatrices, transposedDct, dct);
            var flattened     = FlattenByte(inversedDct);
            var undecimated   = Undecimate(flattened, dctParameters.DecimationType);
            var inRgb         = ToRgbBytes(undecimated);

            return(BitmapSource.Create(undecimated.GetLength(0), undecimated.GetLength(1), 96.0, 96.0, PixelFormats.Bgr32,
                                       null, inRgb, inRgb.Length / undecimated.GetLength(0)));
        }
Example #17
0
        //EquipMake
        //EquipModel
        private string GetEquip(ref Jpeg VtJpeg)
        {
            string Result     = "";
            string EquipMake  = GetExifString(ref VtJpeg, "EquipMake");
            string EquipModel = GetExifString(ref VtJpeg, "EquipModel");

            // sectu to, pokud existuji oba retezce, oddelim je mezerou
            Result = EquipMake;
            if (!string.IsNullOrEmpty(EquipMake) && !string.IsNullOrEmpty(EquipModel))
            {
                Result += " ";
            }
            Result += EquipModel;

            return(Result);
        }
Example #18
0
        public override ImageMetaData ReadMetaData(IBinaryStream file)
        {
            int type = file.ReadByte();

            if (type != 3)
            {
                return(null);
            }
            uint width  = file.ReadUInt16();
            uint height = file.ReadUInt16();

            if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
            {
                return(null);
            }
            using (var jpeg = OpenJpegStream(file))
                return(Jpeg.ReadMetaData(jpeg));
        }
Example #19
0
        public static void ReadItem(ZipFile file, ZipEntry itemEntry, Database destinationDb)
        {
            Stream itemStream = file.GetInputStream(itemEntry);

            try
            {
                XElement xmlDoc = XElement.Load(itemStream);

                string templateName = xmlDoc.Attribute("template")?.Value;
                switch (templateName)
                {
                case "blog author":
                    Author author = new Author(xmlDoc);
                    destinationDb.Authors.Add(author);
                    break;

                case "blog category":
                case "blog tag":
                    Taxonomy taxonomy = new Taxonomy(xmlDoc);
                    destinationDb.TaxonomyItems.Add(taxonomy);
                    break;

                case "blog post":
                    BlogPost blogPost = new BlogPost(xmlDoc);
                    destinationDb.BlogPosts.Add(blogPost);
                    break;

                case "image":
                    Image image = new Image(xmlDoc, itemEntry.Name);
                    destinationDb.Images.Add(image);
                    break;

                case "jpeg":
                    Jpeg jpeg = new Jpeg(xmlDoc, itemEntry.Name);
                    destinationDb.Images.Add(jpeg);
                    break;
                }
            }
            catch (Exception e)
            {
                Console.WriteLine($"Error loading {itemEntry.Name}...");
                Console.WriteLine(e);
            }
        }
Example #20
0
        public void Throws_StreamTooSmallException_When_Stream_Too_Small()
        {
            /*
             * This test make sure that it is performing checked reads.
             * It should throw when it tries to read but the stream is empty
             */

            // this has the file marker but no oihers so it should throw when trying to read the next header
            byte[] shortImage = new byte[]
            {
                0xff,
                Markers.FileMarker
            };

            using (MemoryStream stream = new MemoryStream(shortImage))
            {
                Assert.Throws <Exceptions.StreamTooSmallException>(() => Jpeg.GetDimensions(stream));
            }
        }
Example #21
0
        public void Throws_InvalidJpeg_When_FileMarker_Missing()
        {
            byte[] missingHeader = new byte[10];

            using (MemoryStream stream = new MemoryStream(missingHeader))
            {
                // all bytes are 0 to start with
                Assert.Throws <Exceptions.InvalidJpegException>(() => Jpeg.GetDimensions(stream));
            }


            // set the first byte to be valid to make sure it is checking second byte as well
            missingHeader[0] = 0xff;

            using (MemoryStream stream = new MemoryStream(missingHeader))
            {
                // all 0 bytes to start with
                Assert.Throws <Exceptions.InvalidJpegException>(() => Jpeg.GetDimensions(stream));
            }
        }
Example #22
0
        private DateTime GetPreferedDateTime(ref Jpeg VtJpeg, ArrayList PreferExifDate)
        {
            DateTime Result = DateTime.MinValue;

            //foreach (string Item in LBExifDates.Items)
            //{
            //    PropertyTagId PTagId = GetPIdFromStr(Item);
            //    if (VtJpeg.ExistPropertyItem(PTagId))
            //        return VtJpeg.GetPropertyItemAsDateTime(PTagId);
            //}
            foreach (string Item in PreferExifDate)
            {
                PropertyTagId PTagId = GetPIdFromStr(Item);
                if (VtJpeg.ExistPropertyItem(PTagId))
                {
                    return(VtJpeg.GetPropertyItemAsDateTime(PTagId));
                }
            }
            return(Result);
        }
        private void pdfToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                SaveFileDialog sfd = new SaveFileDialog();
                sfd.Title  = "Bulmaca Pdf Kayıt";
                sfd.Filter = "Pdf Dosyası (*.pdf) | *.pdf";
                string sfdname = sfd.FileName;
                if (sfd.ShowDialog() == DialogResult.OK)
                {
                    kelimeEkleText.Focus();
                    soldanSagaSorular.BorderStyle       = BorderStyle.None;
                    yukaridanAsagiyaSorular.BorderStyle = BorderStyle.None;

                    var doc = new iTextSharp.text.Document();

                    MemoryStream ms   = new MemoryStream();
                    Bitmap       img2 = new Bitmap(A4.Width, A4.Height);
                    A4.DrawToBitmap(img2, new System.Drawing.Rectangle(0, 0, A4.Width, A4.Height));

                    iTextSharp.text.pdf.PdfWriter.GetInstance(doc, new FileStream(sfd.FileName, FileMode.Create));
                    doc.Open();

                    iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(img2, System.Drawing.Imaging.ImageFormat.Png);

                    var jpeg = new Jpeg(img);
                    jpeg.ScaleToFit(doc.PageSize.Width - (doc.LeftMargin + doc.RightMargin), doc.PageSize.Height - (doc.BottomMargin + doc.TopMargin));
                    jpeg.SetAbsolutePosition(doc.BottomMargin, doc.TopMargin);

                    doc.Add(jpeg);
                    doc.Close();

                    soldanSagaSorular.BorderStyle       = BorderStyle.FixedSingle;
                    yukaridanAsagiyaSorular.BorderStyle = BorderStyle.FixedSingle;
                }
            }
            catch { }
        }
Example #24
0
        public void Should_Read_Stream_Until_Marker_Found()
        {
            const int TestSize = 10;

            for (int i = 0; i < TestSize; i++)
            {
                // this represents the stream of an image
                byte[] imageBuffer = new byte[TestSize + 3];

                // number the bytes so we can test they where copied of the stream
                for (byte j = 0; j < imageBuffer.Length; j++)
                {
                    imageBuffer[j] = j;
                }

                // the method should find this marker
                imageBuffer[i] = Jpeg.SectionStartMarker;

                byte[] headerBuffer = imageBuffer.Take(4).ToArray();

                using (MemoryStream jpegStream = new MemoryStream(imageBuffer, headerBuffer.Length, imageBuffer.Length - headerBuffer.Length))
                {
                    Jpeg.FindNextSegment(jpegStream, headerBuffer);

                    // method should have made the marker the first byte in the array
                    Assert.Equal(Jpeg.SectionStartMarker, headerBuffer[0]);

                    // it should of filled the headerBuffer with bytes from the stream
                    Assert.Equal(i, jpegStream.Position);

                    for (int j = 1; j < headerBuffer.Length; j++)
                    {
                        // make sure the bytes should the stream are in the headerBuffer
                        Assert.Equal(i + j, headerBuffer[j]);
                    }
                }
            }
        }
        private void capiturar_screenshot(object sender, EventArgs e)
        {
            if (this.driver != null)
            {
                try
                {
                    //ScreenshotImageFormat format;
                    //JPG
                    if (rb_formato_jpg.Checked == true)
                    {
                        //format = ScreenshotImageFormat.Jpeg;
                        String filePathName = path + "\\" + "Screenshot_Capture_" + DateTime.Now.ToString("yyyy_MM_dd_hh_mm_ss") + ".jpeg";
                        //((ITakesScreenshot)driver).GetScreenshot().SaveAsFile(filePathName, format);

                        var                  bytesArray = driver.TakeScreenshot(new VerticalCombineDecorator(new ScreenshotMaker().RemoveScrollBarsWhileShooting()));
                        MemoryStream         ms         = new MemoryStream(bytesArray, 0, bytesArray.Length);
                        System.Drawing.Image image      = System.Drawing.Image.FromStream(ms, true);
                        image.Save(filePathName, System.Drawing.Imaging.ImageFormat.Jpeg);
                        bytesArray = null;
                        image.Dispose();

                        //PNG
                    }
                    else if (rb_formato_png.Checked == true)
                    {
                        //format = ScreenshotImageFormat.Png;
                        String filePathName = path + "\\" + "Screenshot_Capture_" + DateTime.Now.ToString("yyyy_MM_dd_hh_mm_ss") + ".png";
                        //((ITakesScreenshot)driver).GetScreenshot().SaveAsFile(filePathName, format)

                        var                  bytesArray = driver.TakeScreenshot(new VerticalCombineDecorator(new ScreenshotMaker().RemoveScrollBarsWhileShooting()));
                        MemoryStream         ms         = new MemoryStream(bytesArray, 0, bytesArray.Length);
                        System.Drawing.Image image      = System.Drawing.Image.FromStream(ms, true);
                        image.Save(filePathName, System.Drawing.Imaging.ImageFormat.Png);
                        bytesArray = null;
                        image.Dispose();

                        //PDF
                    }
                    else if (rb_formato_pdf.Checked == true)
                    {
                        //format = ScreenshotImageFormat.Jpeg;

                        String filePath     = path;
                        String fileName     = "Screenshot_Capture_" + DateTime.Now.ToString("yyyy_MM_dd_hh_mm_ss");
                        String filePathName = filePath + "\\" + fileName;
                        //((ITakesScreenshot)driver).GetScreenshot().SaveAsFile(filePathName+ ".jpeg", format);

                        var                  bytesArray = driver.TakeScreenshot(new VerticalCombineDecorator(new ScreenshotMaker().RemoveScrollBarsWhileShooting()));
                        MemoryStream         ms         = new MemoryStream(bytesArray, 0, bytesArray.Length);
                        System.Drawing.Image image      = System.Drawing.Image.FromStream(ms, true);
                        image.Save(filePathName + ".jpeg", System.Drawing.Imaging.ImageFormat.Jpeg);
                        bytesArray = null;
                        image.Dispose();

                        //criando pdf
                        Document doc = new Document();
                        try {
                            iTextSharp.text.pdf.PdfWriter.GetInstance(doc, new FileStream(filePathName + ".pdf", FileMode.Create));
                            doc.Open();
                            iTextSharp.text.Image jpg = iTextSharp.text.Image.GetInstance(filePathName + ".jpeg");
                            jpg.Border = iTextSharp.text.Rectangle.BOX;
                            var jpeg = new Jpeg(jpg);
                            jpeg.ScaleToFit(doc.PageSize.Width - (doc.LeftMargin + doc.RightMargin),
                                            doc.PageSize.Height - (doc.BottomMargin + doc.TopMargin));
                            doc.Add(jpeg);
                        }
                        catch (Exception ex) {
                            Console.WriteLine(ex);
                            MessageBox.Show("Tivemos algum problema ao salvar em PDF", "Mensagem");
                        } finally {
                            doc.Close();
                            File.Delete(filePathName + ".jpeg");
                        }
                    }

                    System.Diagnostics.Process.Start("Explorer", path);

                    /*
                     * var result = MessageBox.Show("Imagem salva com sucesso, " +
                     *  "deseja abrir diretorio onde a screenshot esta salva ?",
                     *  "Mensagem",
                     *  MessageBoxButtons.YesNo,
                     *  MessageBoxIcon.Question);
                     * if (result == DialogResult.Yes)  {
                     *  System.Diagnostics.Process.Start("Explorer", path);
                     * }
                     */
                } catch (Exception ex) {
                    Console.WriteLine(ex);
                    MessageBox.Show("Tivemos algum problema ao salvar a screenshot, " +
                                    "provavelmente o navegar foi fechado ou a sua primeira aba, " +
                                    "onde seria realizada a screenshot.", "Mensagem");
                    if (this.driver != null)
                    {
                        this.driver.Quit();
                    }
                }
            }
            else
            {
                MessageBox.Show("Abra o navegar através do nosso aplicativo " +
                                "antes de tentar capiturar a screenshot.", "Mensagem");
            }
        }
Example #26
0
        protected static Image GetTiffImageColor(TIFFDirectory dir, RandomAccessFileOrArray s)
        {
            int            predictor   = 1;
            TIFFLZWDecoder lzwDecoder  = null;
            int            compression = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_COMPRESSION);

            switch (compression)
            {
            case TIFFConstants.COMPRESSION_NONE:
            case TIFFConstants.COMPRESSION_LZW:
            case TIFFConstants.COMPRESSION_PACKBITS:
            case TIFFConstants.COMPRESSION_DEFLATE:
            case TIFFConstants.COMPRESSION_ADOBE_DEFLATE:
            case TIFFConstants.COMPRESSION_OJPEG:
            case TIFFConstants.COMPRESSION_JPEG:
                break;

            default:
                throw new ArgumentException(MessageLocalization.GetComposedMessage("the.compression.1.is.not.supported", compression));
            }
            int photometric = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_PHOTOMETRIC);

            switch (photometric)
            {
            case TIFFConstants.PHOTOMETRIC_MINISWHITE:
            case TIFFConstants.PHOTOMETRIC_MINISBLACK:
            case TIFFConstants.PHOTOMETRIC_RGB:
            case TIFFConstants.PHOTOMETRIC_SEPARATED:
            case TIFFConstants.PHOTOMETRIC_PALETTE:
                break;

            default:
                if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG)
                {
                    throw new ArgumentException(MessageLocalization.GetComposedMessage("the.photometric.1.is.not.supported", photometric));
                }
                break;
            }
            float rotation = 0;

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_ORIENTATION))
            {
                int rot = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_ORIENTATION);
                if (rot == TIFFConstants.ORIENTATION_BOTRIGHT || rot == TIFFConstants.ORIENTATION_BOTLEFT)
                {
                    rotation = (float)Math.PI;
                }
                else if (rot == TIFFConstants.ORIENTATION_LEFTTOP || rot == TIFFConstants.ORIENTATION_LEFTBOT)
                {
                    rotation = (float)(Math.PI / 2.0);
                }
                else if (rot == TIFFConstants.ORIENTATION_RIGHTTOP || rot == TIFFConstants.ORIENTATION_RIGHTBOT)
                {
                    rotation = -(float)(Math.PI / 2.0);
                }
            }

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_PLANARCONFIG) &&
                dir.GetFieldAsLong(TIFFConstants.TIFFTAG_PLANARCONFIG) == TIFFConstants.PLANARCONFIG_SEPARATE)
            {
                throw new ArgumentException(MessageLocalization.GetComposedMessage("planar.images.are.not.supported"));
            }
            int extraSamples = 0;

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_EXTRASAMPLES))
            {
                extraSamples = 1;
            }
            int samplePerPixel = 1;

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_SAMPLESPERPIXEL)) // 1,3,4
            {
                samplePerPixel = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_SAMPLESPERPIXEL);
            }
            int bitsPerSample = 1;

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_BITSPERSAMPLE))
            {
                bitsPerSample = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_BITSPERSAMPLE);
            }
            switch (bitsPerSample)
            {
            case 1:
            case 2:
            case 4:
            case 8:
                break;

            default:
                throw new ArgumentException(MessageLocalization.GetComposedMessage("bits.per.sample.1.is.not.supported", bitsPerSample));
            }
            Image img = null;

            int h              = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_IMAGELENGTH);
            int w              = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_IMAGEWIDTH);
            int dpiX           = 0;
            int dpiY           = 0;
            int resolutionUnit = TIFFConstants.RESUNIT_INCH;

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_RESOLUTIONUNIT))
            {
                resolutionUnit = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_RESOLUTIONUNIT);
            }
            dpiX = GetDpi(dir.GetField(TIFFConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
            dpiY = GetDpi(dir.GetField(TIFFConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
            int       fillOrder      = 1;
            bool      reverse        = false;
            TIFFField fillOrderField = dir.GetField(TIFFConstants.TIFFTAG_FILLORDER);

            if (fillOrderField != null)
            {
                fillOrder = fillOrderField.GetAsInt(0);
            }
            reverse = (fillOrder == TIFFConstants.FILLORDER_LSB2MSB);
            int rowsStrip = h;

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_ROWSPERSTRIP)) //another hack for broken tiffs
            {
                rowsStrip = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_ROWSPERSTRIP);
            }
            if (rowsStrip <= 0 || rowsStrip > h)
            {
                rowsStrip = h;
            }
            long[] offset = GetArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPOFFSETS);
            long[] size   = GetArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPBYTECOUNTS);
            if ((size == null || (size.Length == 1 && (size[0] == 0 || size[0] + offset[0] > s.Length))) && h == rowsStrip)   // some TIFF producers are really lousy, so...
            {
                size = new long[] { s.Length - (int)offset[0] };
            }
            if (compression == TIFFConstants.COMPRESSION_LZW || compression == TIFFConstants.COMPRESSION_DEFLATE || compression == TIFFConstants.COMPRESSION_ADOBE_DEFLATE)
            {
                TIFFField predictorField = dir.GetField(TIFFConstants.TIFFTAG_PREDICTOR);
                if (predictorField != null)
                {
                    predictor = predictorField.GetAsInt(0);
                    if (predictor != 1 && predictor != 2)
                    {
                        throw new Exception(MessageLocalization.GetComposedMessage("illegal.value.for.predictor.in.tiff.file"));
                    }
                    if (predictor == 2 && bitsPerSample != 8)
                    {
                        throw new Exception(MessageLocalization.GetComposedMessage("1.bit.samples.are.not.supported.for.horizontal.differencing.predictor", bitsPerSample));
                    }
                }
            }
            if (compression == TIFFConstants.COMPRESSION_LZW)
            {
                lzwDecoder = new TIFFLZWDecoder(w, predictor, samplePerPixel);
            }
            int                   rowsLeft = h;
            MemoryStream          stream   = null;
            MemoryStream          mstream  = null;
            ZDeflaterOutputStream zip      = null;
            ZDeflaterOutputStream mzip     = null;

            if (extraSamples > 0)
            {
                mstream = new MemoryStream();
                mzip    = new ZDeflaterOutputStream(mstream);
            }

            CCITTG4Encoder g4 = null;

            if (bitsPerSample == 1 && samplePerPixel == 1 && photometric != TIFFConstants.PHOTOMETRIC_PALETTE)
            {
                g4 = new CCITTG4Encoder(w);
            }
            else
            {
                stream = new MemoryStream();
                if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG)
                {
                    zip = new ZDeflaterOutputStream(stream);
                }
            }
            if (compression == TIFFConstants.COMPRESSION_OJPEG)
            {
                // Assume that the TIFFTAG_JPEGIFBYTECOUNT tag is optional, since it's obsolete and
                // is often missing

                if ((!dir.IsTagPresent(TIFFConstants.TIFFTAG_JPEGIFOFFSET)))
                {
                    throw new IOException(MessageLocalization.GetComposedMessage("missing.tag.s.for.ojpeg.compression"));
                }
                int jpegOffset = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_JPEGIFOFFSET);
                int jpegLength = (int)s.Length - jpegOffset;

                if (dir.IsTagPresent(TIFFConstants.TIFFTAG_JPEGIFBYTECOUNT))
                {
                    jpegLength = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_JPEGIFBYTECOUNT) +
                                 (int)size[0];
                }

                byte[] jpeg = new byte[Math.Min(jpegLength, s.Length - jpegOffset)];

                int posFilePointer = (int)s.FilePointer;
                posFilePointer += jpegOffset;
                s.Seek(posFilePointer);
                s.ReadFully(jpeg);
                // if quantization and/or Huffman tables are stored separately in the tiff,
                // we need to add them to the jpeg data
                TIFFField jpegtables = dir.GetField(TIFFConstants.TIFFTAG_JPEGTABLES);
                if (jpegtables != null)
                {
                    byte[] temp        = jpegtables.GetAsBytes();
                    int    tableoffset = 0;
                    int    tablelength = temp.Length;
                    // remove FFD8 from start
                    if (temp[0] == (byte)0xFF && temp[1] == (byte)0xD8)
                    {
                        tableoffset  = 2;
                        tablelength -= 2;
                    }
                    // remove FFD9 from end
                    if (temp[temp.Length - 2] == (byte)0xFF && temp[temp.Length - 1] == (byte)0xD9)
                    {
                        tablelength -= 2;
                    }
                    byte[] tables = new byte[tablelength];
                    Array.Copy(temp, tableoffset, tables, 0, tablelength);
                    // TODO insert after JFIF header, instead of at the start
                    byte[] jpegwithtables = new byte[jpeg.Length + tables.Length];
                    Array.Copy(jpeg, 0, jpegwithtables, 0, 2);
                    Array.Copy(tables, 0, jpegwithtables, 2, tables.Length);
                    Array.Copy(jpeg, 2, jpegwithtables, tables.Length + 2, jpeg.Length - 2);
                    jpeg = jpegwithtables;
                }
                img = new Jpeg(jpeg);
            }
            else if (compression == TIFFConstants.COMPRESSION_JPEG)
            {
                if (size.Length > 1)
                {
                    throw new IOException(MessageLocalization.GetComposedMessage("compression.jpeg.is.only.supported.with.a.single.strip.this.image.has.1.strips", size.Length));
                }
                byte[] jpeg = new byte[(int)size[0]];
                s.Seek(offset[0]);
                s.ReadFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else
            {
                for (int k = 0; k < offset.Length; ++k)
                {
                    byte[] im = new byte[(int)size[k]];
                    s.Seek(offset[k]);
                    s.ReadFully(im);
                    int    height = Math.Min(rowsStrip, rowsLeft);
                    byte[] outBuf = null;
                    if (compression != TIFFConstants.COMPRESSION_NONE)
                    {
                        outBuf = new byte[(w * bitsPerSample * samplePerPixel + 7) / 8 * height];
                    }
                    if (reverse)
                    {
                        TIFFFaxDecoder.ReverseBits(im);
                    }
                    switch (compression)
                    {
                    case TIFFConstants.COMPRESSION_DEFLATE:
                    case TIFFConstants.COMPRESSION_ADOBE_DEFLATE:
                        Inflate(im, outBuf);
                        ApplyPredictor(outBuf, predictor, w, height, samplePerPixel);
                        break;

                    case TIFFConstants.COMPRESSION_NONE:
                        outBuf = im;
                        break;

                    case TIFFConstants.COMPRESSION_PACKBITS:
                        DecodePackbits(im, outBuf);
                        break;

                    case TIFFConstants.COMPRESSION_LZW:
                        lzwDecoder.Decode(im, outBuf, height);
                        break;
                    }
                    if (bitsPerSample == 1 && samplePerPixel == 1 && photometric != TIFFConstants.PHOTOMETRIC_PALETTE)
                    {
                        g4.Fax4Encode(outBuf, height);
                    }
                    else
                    {
                        if (extraSamples > 0)
                        {
                            ProcessExtraSamples(zip, mzip, outBuf, samplePerPixel, bitsPerSample, w, height);
                        }
                        else
                        {
                            zip.Write(outBuf, 0, outBuf.Length);
                        }
                    }
                    rowsLeft -= rowsStrip;
                }
                if (bitsPerSample == 1 && samplePerPixel == 1 && photometric != TIFFConstants.PHOTOMETRIC_PALETTE)
                {
                    img = Image.GetInstance(w, h, false, Image.CCITTG4,
                                            photometric == TIFFConstants.PHOTOMETRIC_MINISBLACK ? Image.CCITT_BLACKIS1 : 0, g4.Close());
                }
                else
                {
                    zip.Close();
                    img          = new ImgRaw(w, h, samplePerPixel - extraSamples, bitsPerSample, stream.ToArray());
                    img.Deflated = true;
                }
            }
            img.SetDpi(dpiX, dpiY);
            if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG)
            {
                if (dir.IsTagPresent(TIFFConstants.TIFFTAG_ICCPROFILE))
                {
                    try {
                        TIFFField   fd       = dir.GetField(TIFFConstants.TIFFTAG_ICCPROFILE);
                        ICC_Profile icc_prof = ICC_Profile.GetInstance(fd.GetAsBytes());
                        if (samplePerPixel - extraSamples == icc_prof.NumComponents)
                        {
                            img.TagICC = icc_prof;
                        }
                    }
                    catch {
                        //empty
                    }
                }
                if (dir.IsTagPresent(TIFFConstants.TIFFTAG_COLORMAP))
                {
                    TIFFField fd      = dir.GetField(TIFFConstants.TIFFTAG_COLORMAP);
                    char[]    rgb     = fd.GetAsChars();
                    byte[]    palette = new byte[rgb.Length];
                    int       gColor  = rgb.Length / 3;
                    int       bColor  = gColor * 2;
                    for (int k = 0; k < gColor; ++k)
                    {
                        palette[k * 3]     = (byte)(rgb[k] >> 8);
                        palette[k * 3 + 1] = (byte)(rgb[k + gColor] >> 8);
                        palette[k * 3 + 2] = (byte)(rgb[k + bColor] >> 8);
                    }
                    // Colormap components are supposed to go from 0 to 655535 but,
                    // as usually, some tiff producers just put values from 0 to 255.
                    // Let's check for these broken tiffs.
                    bool colormapBroken = true;
                    for (int k = 0; k < palette.Length; ++k)
                    {
                        if (palette[k] != 0)
                        {
                            colormapBroken = false;
                            break;
                        }
                    }
                    if (colormapBroken)
                    {
                        for (int k = 0; k < gColor; ++k)
                        {
                            palette[k * 3]     = (byte)rgb[k];
                            palette[k * 3 + 1] = (byte)rgb[k + gColor];
                            palette[k * 3 + 2] = (byte)rgb[k + bColor];
                        }
                    }
                    PdfArray indexed = new PdfArray();
                    indexed.Add(PdfName.INDEXED);
                    indexed.Add(PdfName.DEVICERGB);
                    indexed.Add(new PdfNumber(gColor - 1));
                    indexed.Add(new PdfString(palette));
                    PdfDictionary additional = new PdfDictionary();
                    additional.Put(PdfName.COLORSPACE, indexed);
                    img.Additional = additional;
                }
                img.OriginalType = Image.ORIGINAL_TIFF;
            }
            if (photometric == TIFFConstants.PHOTOMETRIC_MINISWHITE)
            {
                img.Inverted = true;
            }
            if (rotation != 0)
            {
                img.InitialRotation = rotation;
            }
            if (extraSamples > 0)
            {
                mzip.Close();
                Image mimg = Image.GetInstance(w, h, 1, bitsPerSample, mstream.ToArray());
                mimg.MakeMask();
                mimg.Deflated = true;
                img.ImageMask = mimg;
            }
            return(img);
        }
Example #27
0
        protected static Image GetTiffImageColor(TiffDirectory dir, RandomAccessFileOrArray s)
        {
            var            predictor   = 1;
            TifflzwDecoder lzwDecoder  = null;
            var            compression = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_COMPRESSION);

            switch (compression)
            {
            case TiffConstants.COMPRESSION_NONE:
            case TiffConstants.COMPRESSION_LZW:
            case TiffConstants.COMPRESSION_PACKBITS:
            case TiffConstants.COMPRESSION_DEFLATE:
            case TiffConstants.COMPRESSION_ADOBE_DEFLATE:
            case TiffConstants.COMPRESSION_OJPEG:
            case TiffConstants.COMPRESSION_JPEG:
                break;

            default:
                throw new InvalidOperationException("The compression " + compression + " is not supported.");
            }
            var photometric = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_PHOTOMETRIC);

            switch (photometric)
            {
            case TiffConstants.PHOTOMETRIC_MINISWHITE:
            case TiffConstants.PHOTOMETRIC_MINISBLACK:
            case TiffConstants.PHOTOMETRIC_RGB:
            case TiffConstants.PHOTOMETRIC_SEPARATED:
            case TiffConstants.PHOTOMETRIC_PALETTE:
                break;

            default:
                if (compression != TiffConstants.COMPRESSION_OJPEG && compression != TiffConstants.COMPRESSION_JPEG)
                {
                    throw new InvalidOperationException("The photometric " + photometric + " is not supported.");
                }

                break;
            }
            float rotation = 0;

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_ORIENTATION))
            {
                var rot = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_ORIENTATION);
                if (rot == TiffConstants.ORIENTATION_BOTRIGHT || rot == TiffConstants.ORIENTATION_BOTLEFT)
                {
                    rotation = (float)Math.PI;
                }
                else if (rot == TiffConstants.ORIENTATION_LEFTTOP || rot == TiffConstants.ORIENTATION_LEFTBOT)
                {
                    rotation = (float)(Math.PI / 2.0);
                }
                else if (rot == TiffConstants.ORIENTATION_RIGHTTOP || rot == TiffConstants.ORIENTATION_RIGHTBOT)
                {
                    rotation = -(float)(Math.PI / 2.0);
                }
            }

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_PLANARCONFIG) &&
                dir.GetFieldAsLong(TiffConstants.TIFFTAG_PLANARCONFIG) == TiffConstants.PLANARCONFIG_SEPARATE)
            {
                throw new InvalidOperationException("Planar images are not supported.");
            }

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_EXTRASAMPLES))
            {
                throw new InvalidOperationException("Extra samples are not supported.");
            }

            var samplePerPixel = 1;

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_SAMPLESPERPIXEL)) // 1,3,4
            {
                samplePerPixel = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_SAMPLESPERPIXEL);
            }

            var bitsPerSample = 1;

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_BITSPERSAMPLE))
            {
                bitsPerSample = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_BITSPERSAMPLE);
            }

            switch (bitsPerSample)
            {
            case 1:
            case 2:
            case 4:
            case 8:
                break;

            default:
                throw new InvalidOperationException("Bits per sample " + bitsPerSample + " is not supported.");
            }
            Image img = null;

            var h              = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_IMAGELENGTH);
            var w              = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_IMAGEWIDTH);
            var dpiX           = 0;
            var dpiY           = 0;
            var resolutionUnit = TiffConstants.RESUNIT_INCH;

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_RESOLUTIONUNIT))
            {
                resolutionUnit = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_RESOLUTIONUNIT);
            }

            dpiX = getDpi(dir.GetField(TiffConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
            dpiY = getDpi(dir.GetField(TiffConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
            var fillOrder      = 1;
            var reverse        = false;
            var fillOrderField = dir.GetField(TiffConstants.TIFFTAG_FILLORDER);

            if (fillOrderField != null)
            {
                fillOrder = fillOrderField.GetAsInt(0);
            }

            reverse = (fillOrder == TiffConstants.FILLORDER_LSB2MSB);
            var rowsStrip = h;

            if (dir.IsTagPresent(TiffConstants.TIFFTAG_ROWSPERSTRIP)) //another hack for broken tiffs
            {
                rowsStrip = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_ROWSPERSTRIP);
            }

            if (rowsStrip <= 0 || rowsStrip > h)
            {
                rowsStrip = h;
            }

            var offset = getArrayLongShort(dir, TiffConstants.TIFFTAG_STRIPOFFSETS);
            var size   = getArrayLongShort(dir, TiffConstants.TIFFTAG_STRIPBYTECOUNTS);

            if ((size == null || (size.Length == 1 && (size[0] == 0 || size[0] + offset[0] > s.Length))) && h == rowsStrip)
            { // some TIFF producers are really lousy, so...
                size = new long[] { s.Length - (int)offset[0] };
            }
            if (compression == TiffConstants.COMPRESSION_LZW)
            {
                var predictorField = dir.GetField(TiffConstants.TIFFTAG_PREDICTOR);
                if (predictorField != null)
                {
                    predictor = predictorField.GetAsInt(0);
                    if (predictor != 1 && predictor != 2)
                    {
                        throw new InvalidOperationException("Illegal value for Predictor in TIFF file.");
                    }
                    if (predictor == 2 && bitsPerSample != 8)
                    {
                        throw new InvalidOperationException(bitsPerSample + "-bit samples are not supported for Horizontal differencing Predictor.");
                    }
                }
                lzwDecoder = new TifflzwDecoder(w, predictor,
                                                samplePerPixel);
            }
            var                   rowsLeft = h;
            MemoryStream          stream   = null;
            ZDeflaterOutputStream zip      = null;
            Ccittg4Encoder        g4       = null;

            if (bitsPerSample == 1 && samplePerPixel == 1)
            {
                g4 = new Ccittg4Encoder(w);
            }
            else
            {
                stream = new MemoryStream();
                if (compression != TiffConstants.COMPRESSION_OJPEG && compression != TiffConstants.COMPRESSION_JPEG)
                {
                    zip = new ZDeflaterOutputStream(stream);
                }
            }
            if (compression == TiffConstants.COMPRESSION_OJPEG)
            {
                // Assume that the TIFFTAG_JPEGIFBYTECOUNT tag is optional, since it's obsolete and
                // is often missing

                if ((!dir.IsTagPresent(TiffConstants.TIFFTAG_JPEGIFOFFSET)))
                {
                    throw new IOException("Missing tag(s) for OJPEG compression.");
                }
                var jpegOffset = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_JPEGIFOFFSET);
                var jpegLength = s.Length - jpegOffset;

                if (dir.IsTagPresent(TiffConstants.TIFFTAG_JPEGIFBYTECOUNT))
                {
                    jpegLength = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_JPEGIFBYTECOUNT) +
                                 (int)size[0];
                }

                var jpeg = new byte[Math.Min(jpegLength, s.Length - jpegOffset)];

                var posFilePointer = s.FilePointer;
                posFilePointer += jpegOffset;
                s.Seek(posFilePointer);
                s.ReadFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else if (compression == TiffConstants.COMPRESSION_JPEG)
            {
                if (size.Length > 1)
                {
                    throw new IOException("Compression JPEG is only supported with a single strip. This image has " + size.Length + " strips.");
                }

                var jpeg = new byte[(int)size[0]];
                s.Seek(offset[0]);
                s.ReadFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else
            {
                for (var k = 0; k < offset.Length; ++k)
                {
                    var im = new byte[(int)size[k]];
                    s.Seek(offset[k]);
                    s.ReadFully(im);
                    var    height = Math.Min(rowsStrip, rowsLeft);
                    byte[] outBuf = null;
                    if (compression != TiffConstants.COMPRESSION_NONE)
                    {
                        outBuf = new byte[(w * bitsPerSample * samplePerPixel + 7) / 8 * height];
                    }

                    if (reverse)
                    {
                        TiffFaxDecoder.ReverseBits(im);
                    }

                    switch (compression)
                    {
                    case TiffConstants.COMPRESSION_DEFLATE:
                    case TiffConstants.COMPRESSION_ADOBE_DEFLATE:
                        Inflate(im, outBuf);
                        break;

                    case TiffConstants.COMPRESSION_NONE:
                        outBuf = im;
                        break;

                    case TiffConstants.COMPRESSION_PACKBITS:
                        DecodePackbits(im, outBuf);
                        break;

                    case TiffConstants.COMPRESSION_LZW:
                        lzwDecoder.Decode(im, outBuf, height);
                        break;
                    }
                    if (bitsPerSample == 1 && samplePerPixel == 1)
                    {
                        g4.Fax4Encode(outBuf, height);
                    }
                    else
                    {
                        zip.Write(outBuf, 0, outBuf.Length);
                    }
                    rowsLeft -= rowsStrip;
                }
                if (bitsPerSample == 1 && samplePerPixel == 1)
                {
                    img = Image.GetInstance(w, h, false, Element.CCITTG4,
                                            photometric == TiffConstants.PHOTOMETRIC_MINISBLACK ? Element.CCITT_BLACKIS1 : 0, g4.Close());
                }
                else
                {
                    zip.Close();
                    img          = Image.GetInstance(w, h, samplePerPixel, bitsPerSample, stream.ToArray());
                    img.Deflated = true;
                }
            }
            img.SetDpi(dpiX, dpiY);
            if (compression != TiffConstants.COMPRESSION_OJPEG && compression != TiffConstants.COMPRESSION_JPEG)
            {
                if (dir.IsTagPresent(TiffConstants.TIFFTAG_ICCPROFILE))
                {
                    try
                    {
                        var fd      = dir.GetField(TiffConstants.TIFFTAG_ICCPROFILE);
                        var iccProf = IccProfile.GetInstance(fd.GetAsBytes());
                        if (samplePerPixel == iccProf.NumComponents)
                        {
                            img.TagIcc = iccProf;
                        }
                    }
                    catch
                    {
                        //empty
                    }
                }
                if (dir.IsTagPresent(TiffConstants.TIFFTAG_COLORMAP))
                {
                    var fd      = dir.GetField(TiffConstants.TIFFTAG_COLORMAP);
                    var rgb     = fd.GetAsChars();
                    var palette = new byte[rgb.Length];
                    var gColor  = rgb.Length / 3;
                    var bColor  = gColor * 2;
                    for (var k = 0; k < gColor; ++k)
                    {
                        palette[k * 3]     = (byte)(rgb[k] >> 8);
                        palette[k * 3 + 1] = (byte)(rgb[k + gColor] >> 8);
                        palette[k * 3 + 2] = (byte)(rgb[k + bColor] >> 8);
                    }
                    var indexed = new PdfArray();
                    indexed.Add(PdfName.Indexed);
                    indexed.Add(PdfName.Devicergb);
                    indexed.Add(new PdfNumber(gColor - 1));
                    indexed.Add(new PdfString(palette));
                    var additional = new PdfDictionary();
                    additional.Put(PdfName.Colorspace, indexed);
                    img.Additional = additional;
                }
                img.OriginalType = Image.ORIGINAL_TIFF;
            }
            if (photometric == TiffConstants.PHOTOMETRIC_MINISWHITE)
            {
                img.Inverted = true;
            }

            if (rotation.ApproxNotEqual(0))
            {
                img.InitialRotation = rotation;
            }

            return(img);
        }
Example #28
0
 public override ImageData Read(IBinaryStream stream, ImageMetaData info)
 {
     using (var input = OpenEncrypted(stream))
         return(Jpeg.Read(input, info));
 }
Example #29
0
 public override ImageMetaData ReadMetaData(IBinaryStream stream)
 {
     using (var input = OpenEncrypted(stream, true))
         return(Jpeg.ReadMetaData(input));
 }
Example #30
0
        public IActionResult ExportToPdf(string returnUrl, int id)
        {
            var fanfic = Mapper.Map <FanficViewModel>(FanficRepository.GetById(id));
            var topics = Mapper.Map <List <TopicViewModel> >(TopicRepository.GetTopicsByFanficId(id));

            try
            {
                pdfDoc = new Document(PageSize.LETTER, 40f, 40f, 60f, 60f);
                BaseFont baseFont = BaseFont.CreateFont(@"wwwroot/font/arial.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
                string   path     = @"wwwroot/pdf/tester1.pdf";
                file = new FileStream(path, FileMode.Create);
                wri  = PdfWriter.GetInstance(pdfDoc, file);
                pdfDoc.Open();

                var        spacer   = new Paragraph("\n");
                FileStream fileLogo = new FileStream(@"wwwroot/images/icons/logoPDF.png", FileMode.Open);
                var        logo     = Image.GetInstance(fileLogo);
                logo.SetAbsolutePosition(pdfDoc.Left, pdfDoc.Top);
                pdfDoc.Add(logo);
                fileLogo.Close();

                var helvetica     = new Font(baseFont, 20);
                var helveticaBase = helvetica.GetCalculatedBaseFont(false);
                wri.DirectContent.BeginText();
                wri.DirectContent.SetFontAndSize(helveticaBase, 20f);
                wri.DirectContent.ShowTextAligned(Element.ALIGN_CENTER, fanfic.Name, 305, 705, 0);
                wri.DirectContent.EndText();

                pdfDoc.Add(spacer);
                pdfDoc.Add(spacer);
                Paragraph info = new Paragraph("Author: " + fanfic.ApplicationUser.UserName + "\n" + "Rating: " + fanfic.AverageRating + "\n" + "Date: " + fanfic.CreateDate.ToShortDateString(), new Font(baseFont, 11, 2));
                pdfDoc.Add(info);

                pdfDoc.Add(spacer);
                var avatarFanfic = fanfic.ImgUrl;
                avatarFanfic = avatarFanfic.Substring(0, 47) + "t_FanficPDF" + avatarFanfic.Substring(58, 22) + "jpg";
                Uri  uri = new Uri(avatarFanfic);
                Jpeg img = new Jpeg(uri);
                pdfDoc.Add(img);

                pdfDoc.Add(spacer);
                Paragraph descLabel = new Paragraph("Description: ", new Font(baseFont, 16));
                pdfDoc.Add(descLabel);
                pdfDoc.Add(spacer);

                string arialuniTff = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "ARIALUNI.TTF");
                FontFactory.Register(arialuniTff);
                StyleSheet ST = new StyleSheet();
                ST.LoadTagStyle(HtmlTags.BODY, HtmlTags.FACE, "Arial Unicode MS");
                ST.LoadTagStyle(HtmlTags.BODY, HtmlTags.ENCODING, BaseFont.IDENTITY_H);
                using (var htmlWorker = new HTMLWorker(pdfDoc))
                {
                    using (var sr = new StringReader(fanfic.Description))
                    {
                        htmlWorker.SetStyleSheet(ST);
                        htmlWorker.Parse(sr);
                    }
                }
                pdfDoc.Add(spacer);

                Chapter content = new Chapter(new Paragraph("Content: ", new Font(baseFont, 16)), 0);
                pdfDoc.Add(content);

                foreach (var item in topics)
                {
                    pdfDoc.Add(spacer);
                    Paragraph chapter = new Paragraph("Chapter " + item.Number + ". " + item.Name, new Font(baseFont, 12));
                    pdfDoc.Add(chapter);
                }
                foreach (var item in topics)
                {
                    Chapter chapter = new Chapter(new Paragraph(item.Name, new Font(baseFont, 18)), item.Number);
                    pdfDoc.Add(chapter);
                    pdfDoc.Add(spacer);

                    Paragraph infoTopic = new Paragraph("Rating: " + item.AverageRating, new Font(baseFont, 11));
                    pdfDoc.Add(infoTopic);
                    pdfDoc.Add(spacer);
                    if (item.ImgUrl != " ")
                    {
                        var avatarTopic = item.ImgUrl;
                        avatarTopic = avatarTopic.Substring(0, 47) + "t_FanficPDF" + avatarTopic.Substring(58, 22) + "jpg";
                        Uri  uriTopic = new Uri(avatarTopic);
                        Jpeg imgTopic = new Jpeg(uriTopic);
                        pdfDoc.Add(imgTopic);
                        pdfDoc.Add(spacer);
                    }
                    using (var htmlWorker = new HTMLWorker(pdfDoc))
                    {
                        using (var sr = new StringReader(item.Text))
                        {
                            htmlWorker.SetStyleSheet(ST);
                            htmlWorker.Parse(sr);
                        }
                    }
                }
                pdfDoc.Close();
                wri.Close();
                WebClient User       = new WebClient();
                Byte[]    FileBuffer = User.DownloadData(@"wwwroot/pdf/tester1.pdf");
                if (FileBuffer != null)
                {
                    Response.ContentType = "application/pdf";
                    Response.Headers.Add("content-length", FileBuffer.Length.ToString());
                    Response.Body.Write(FileBuffer, 0, FileBuffer.Length);
                }
            }
            catch (Exception ex)
            {
                pdfDoc.Close();
                wri.Close();
            }
            finally
            {
                System.IO.File.Delete(@"wwwroot/pdf/tester1.pdf");
            }
            return(RedirectPermanent(returnUrl));
        }
Example #31
0
        protected static Image GetTiffImageColor(TIFFDirectory dir, RandomAccessFileOrArray s)
        {
            int predictor = 1;
            TIFFLZWDecoder lzwDecoder = null;
            int compression = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_COMPRESSION);
            switch (compression) {
                case TIFFConstants.COMPRESSION_NONE:
                case TIFFConstants.COMPRESSION_LZW:
                case TIFFConstants.COMPRESSION_PACKBITS:
                case TIFFConstants.COMPRESSION_DEFLATE:
                case TIFFConstants.COMPRESSION_ADOBE_DEFLATE:
                case TIFFConstants.COMPRESSION_OJPEG:
                case TIFFConstants.COMPRESSION_JPEG:
                    break;
                default:
                    throw new ArgumentException("The compression " + compression + " is not supported.");
            }
            int photometric = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_PHOTOMETRIC);
            switch (photometric) {
                case TIFFConstants.PHOTOMETRIC_MINISWHITE:
                case TIFFConstants.PHOTOMETRIC_MINISBLACK:
                case TIFFConstants.PHOTOMETRIC_RGB:
                case TIFFConstants.PHOTOMETRIC_SEPARATED:
                case TIFFConstants.PHOTOMETRIC_PALETTE:
                    break;
                default:
                    if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG)
                        throw new ArgumentException("The photometric " + photometric + " is not supported.");
                    break;
            }
            float rotation = 0;
            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_ORIENTATION)) {
                int rot = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_ORIENTATION);
                if (rot == TIFFConstants.ORIENTATION_BOTRIGHT || rot == TIFFConstants.ORIENTATION_BOTLEFT)
                    rotation = (float)Math.PI;
                else if (rot == TIFFConstants.ORIENTATION_LEFTTOP || rot == TIFFConstants.ORIENTATION_LEFTBOT)
                    rotation = (float)(Math.PI / 2.0);
                else if (rot == TIFFConstants.ORIENTATION_RIGHTTOP || rot == TIFFConstants.ORIENTATION_RIGHTBOT)
                    rotation = -(float)(Math.PI / 2.0);
            }

            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_PLANARCONFIG)
                && dir.GetFieldAsLong(TIFFConstants.TIFFTAG_PLANARCONFIG) == TIFFConstants.PLANARCONFIG_SEPARATE)
                throw new ArgumentException("Planar images are not supported.");
            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_EXTRASAMPLES))
                throw new ArgumentException("Extra samples are not supported.");
            int samplePerPixel = 1;
            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_SAMPLESPERPIXEL)) // 1,3,4
                samplePerPixel = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_SAMPLESPERPIXEL);
            int bitsPerSample = 1;
            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_BITSPERSAMPLE))
                bitsPerSample = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_BITSPERSAMPLE);
            switch (bitsPerSample) {
                case 1:
                case 2:
                case 4:
                case 8:
                    break;
                default:
                    throw new ArgumentException("Bits per sample " + bitsPerSample + " is not supported.");
            }
            Image img = null;

            int h = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_IMAGELENGTH);
            int w = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_IMAGEWIDTH);
            int dpiX = 0;
            int dpiY = 0;
            int resolutionUnit = TIFFConstants.RESUNIT_INCH;
            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_RESOLUTIONUNIT))
                resolutionUnit = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_RESOLUTIONUNIT);
            dpiX = GetDpi(dir.GetField(TIFFConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
            dpiY = GetDpi(dir.GetField(TIFFConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
            int fillOrder = 1;
            bool reverse = false;
            TIFFField fillOrderField =  dir.GetField(TIFFConstants.TIFFTAG_FILLORDER);
            if (fillOrderField != null)
                fillOrder = fillOrderField.GetAsInt(0);
            reverse = (fillOrder == TIFFConstants.FILLORDER_LSB2MSB);
            int rowsStrip = h;
            if (dir.IsTagPresent(TIFFConstants.TIFFTAG_ROWSPERSTRIP)) //another hack for broken tiffs
                rowsStrip = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_ROWSPERSTRIP);
            if (rowsStrip <= 0 || rowsStrip > h)
                rowsStrip = h;
            long[] offset = GetArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPOFFSETS);
            long[] size = GetArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPBYTECOUNTS);
            if ((size == null || (size.Length == 1 && (size[0] == 0 || size[0] + offset[0] > s.Length))) && h == rowsStrip) { // some TIFF producers are really lousy, so...
                size = new long[]{s.Length - (int)offset[0]};
            }
            if (compression == TIFFConstants.COMPRESSION_LZW) {
                TIFFField predictorField = dir.GetField(TIFFConstants.TIFFTAG_PREDICTOR);
                if (predictorField != null) {
                    predictor = predictorField.GetAsInt(0);
                    if (predictor != 1 && predictor != 2) {
                        throw new Exception("Illegal value for Predictor in TIFF file.");
                    }
                    if (predictor == 2 && bitsPerSample != 8) {
                        throw new Exception(bitsPerSample + "-bit samples are not supported for Horizontal differencing Predictor.");
                    }
                }
                lzwDecoder = new TIFFLZWDecoder(w, predictor,
                                                samplePerPixel);
            }
            int rowsLeft = h;
            MemoryStream stream = null;
            ZOutputStream zip = null;
            CCITTG4Encoder g4 = null;
            if (bitsPerSample == 1 && samplePerPixel == 1) {
                g4 = new CCITTG4Encoder(w);
            }
            else {
                stream = new MemoryStream();
                if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG)
                    zip = new ZOutputStream(stream);
            }
            if (compression == TIFFConstants.COMPRESSION_OJPEG) {

                // Assume that the TIFFTAG_JPEGIFBYTECOUNT tag is optional, since it's obsolete and
                // is often missing

                if ((!dir.IsTagPresent(TIFFConstants.TIFFTAG_JPEGIFOFFSET))) {
                    throw new IOException("Missing tag(s) for OJPEG compression.");
                }
                int jpegOffset = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_JPEGIFOFFSET);
                int jpegLength = s.Length - jpegOffset;

                if (dir.IsTagPresent(TIFFConstants.TIFFTAG_JPEGIFBYTECOUNT)) {
                    jpegLength = (int)dir.GetFieldAsLong(TIFFConstants.TIFFTAG_JPEGIFBYTECOUNT) +
                        (int)size[0];
                }

                byte[] jpeg = new byte[Math.Min(jpegLength, s.Length - jpegOffset)];

                int posFilePointer = s.FilePointer;
                posFilePointer += jpegOffset;
                s.Seek(posFilePointer);
                s.ReadFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else if (compression == TIFFConstants.COMPRESSION_JPEG) {
                if (size.Length > 1)
                    throw new IOException("Compression JPEG is only supported with a single strip. This image has " + size.Length + " strips.");
                byte[] jpeg = new byte[(int)size[0]];
                s.Seek(offset[0]);
                s.ReadFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else {
                for (int k = 0; k < offset.Length; ++k) {
                    byte[] im = new byte[(int)size[k]];
                    s.Seek(offset[k]);
                    s.ReadFully(im);
                    int height = Math.Min(rowsStrip, rowsLeft);
                    byte[] outBuf = null;
                    if (compression != TIFFConstants.COMPRESSION_NONE)
                        outBuf = new byte[(w * bitsPerSample * samplePerPixel + 7) / 8 * height];
                    if (reverse)
                        TIFFFaxDecoder.ReverseBits(im);
                    switch (compression) {
                        case TIFFConstants.COMPRESSION_DEFLATE:
                        case TIFFConstants.COMPRESSION_ADOBE_DEFLATE:
                            Inflate(im, outBuf);
                            break;
                        case TIFFConstants.COMPRESSION_NONE:
                            outBuf = im;
                            break;
                        case TIFFConstants.COMPRESSION_PACKBITS:
                            DecodePackbits(im,  outBuf);
                            break;
                        case TIFFConstants.COMPRESSION_LZW:
                            lzwDecoder.Decode(im, outBuf, height);
                            break;
                    }
                    if (bitsPerSample == 1 && samplePerPixel == 1) {
                        g4.Fax4Encode(outBuf, height);
                    }
                    else {
                        zip.Write(outBuf, 0, outBuf.Length);
                    }
                    rowsLeft -= rowsStrip;
                }
                if (bitsPerSample == 1 && samplePerPixel == 1) {
                    img = Image.GetInstance(w, h, false, Image.CCITTG4,
                        photometric == TIFFConstants.PHOTOMETRIC_MINISBLACK ? Image.CCITT_BLACKIS1 : 0, g4.Close());
                }
                else {
                    zip.Close();
                    img = Image.GetInstance(w, h, samplePerPixel, bitsPerSample, stream.ToArray());
                    img.Deflated = true;
                }
            }
            img.SetDpi(dpiX, dpiY);
            if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG) {
                if (dir.IsTagPresent(TIFFConstants.TIFFTAG_ICCPROFILE)) {
                    try {
                        TIFFField fd = dir.GetField(TIFFConstants.TIFFTAG_ICCPROFILE);
                        ICC_Profile icc_prof = ICC_Profile.GetInstance(fd.GetAsBytes());
                        if (samplePerPixel == icc_prof.NumComponents)
                            img.TagICC = icc_prof;
                    }
                    catch {
                        //empty
                    }
                }
                if (dir.IsTagPresent(TIFFConstants.TIFFTAG_COLORMAP)) {
                    TIFFField fd = dir.GetField(TIFFConstants.TIFFTAG_COLORMAP);
                    char[] rgb = fd.GetAsChars();
                    byte[] palette = new byte[rgb.Length];
                    int gColor = rgb.Length / 3;
                    int bColor = gColor * 2;
                    for (int k = 0; k < gColor; ++k) {
                        palette[k * 3] = (byte)(rgb[k] >> 8);
                        palette[k * 3 + 1] = (byte)(rgb[k + gColor] >> 8);
                        palette[k * 3 + 2] = (byte)(rgb[k + bColor] >> 8);
                    }
                    PdfArray indexed = new PdfArray();
                    indexed.Add(PdfName.INDEXED);
                    indexed.Add(PdfName.DEVICERGB);
                    indexed.Add(new PdfNumber(gColor - 1));
                    indexed.Add(new PdfString(palette));
                    PdfDictionary additional = new PdfDictionary();
                    additional.Put(PdfName.COLORSPACE, indexed);
                    img.Additional = additional;
                }
                img.OriginalType = Image.ORIGINAL_TIFF;
            }
            if (photometric == TIFFConstants.PHOTOMETRIC_MINISWHITE)
                img.Inverted = true;
            if (rotation != 0)
                img.InitialRotation = rotation;
            return img;
        }