private void RefreshDimensions() { bmpRaw = new Bitmap((int)Math.Round((int)NumBoxScale.Value * RATIO), (int)NumBoxScale.Value, System.Drawing.Imaging.PixelFormat.Format24bppRgb); bmpProc = new Bitmap((int)Math.Round((int)NumBoxScale.Value * RATIO), (int)NumBoxScale.Value, System.Drawing.Imaging.PixelFormat.Format1bppIndexed); bounds = new Rectangle((int)NumBoxX.Value, (int)NumBoxY.Value, (int)Math.Round((int)NumBoxScale.Value * RATIO), (int)NumBoxScale.Value); screenToBMP(); ImgRaw.Refresh(); ImgProc.Refresh(); }
public static IElement AddImage(string filePath) { var image = Image.GetInstance(filePath); var imgRaw = new ImgRaw(image); imgRaw.Alignment = Image.ALIGN_CENTER; imgRaw.ScaleToFit(PageSize.A4.Width - (PageSize.A4.Width * 0.15f), PageSize.A4.Height); return(imgRaw); }
private Image indexedModel(byte[] bdata, int bpc, int paletteEntries) { Image img = new ImgRaw(_width, _height, 1, bpc, bdata); PdfArray colorspace = new PdfArray(); colorspace.Add(PdfName.Indexed); colorspace.Add(PdfName.Devicergb); byte[] np = getPalette(paletteEntries); int len = np.Length; colorspace.Add(new PdfNumber(len / 3 - 1)); colorspace.Add(new PdfString(np)); PdfDictionary ad = new PdfDictionary(); ad.Put(PdfName.Colorspace, colorspace); img.Additional = ad; return(img); }
private void MainLoop(object sender, DoWorkEventArgs e) { while (!(sender as BackgroundWorker).CancellationPending) { screenToBMP(); if (processBmp()) { Invoke(new Action(() => { StatusStrip.BackColor = System.Drawing.Color.FromArgb(255, 180, 0, 0); StatusLabel.Text = (int.Parse(StatusLabel.Text) + 1).ToString(); })); UpdateLights(); Invoke(new Action(() => StatusStrip.BackColor = System.Drawing.Color.FromArgb(255, 48, 48, 48))); } Invoke(new Action(() => { ImgRaw.Refresh(); ImgProc.Refresh(); })); } }
/// <summary> /// Reads next frame image /// </summary> protected void ReadImage() { Ix = ReadShort(); // (sub)image position & size Iy = ReadShort(); Iw = ReadShort(); Ih = ReadShort(); var packed = Inp.ReadByte(); LctFlag = (packed & 0x80) != 0; // 1 - local color table flag Interlace = (packed & 0x40) != 0; // 2 - interlace flag // 3 - sort flag // 4-5 - reserved LctSize = 2 << (packed & 7); // 6-8 - local color table size MBpc = NewBpc(MGbpc); if (LctFlag) { MCurrTable = ReadColorTable((packed & 7) + 1); // read table MBpc = NewBpc((packed & 7) + 1); } else { MCurrTable = MGlobalTable; } if (Transparency && TransIndex >= MCurrTable.Length / 3) { Transparency = false; } if (Transparency && MBpc == 1) { // Acrobat 5.05 doesn't like this combination var tp = new byte[12]; Array.Copy(MCurrTable, 0, tp, 0, 6); MCurrTable = tp; MBpc = 2; } var skipZero = DecodeImageData(); // decode pixel data if (!skipZero) { Skip(); } Image img = null; img = new ImgRaw(Iw, Ih, 1, MBpc, MOut); var colorspace = new PdfArray(); colorspace.Add(PdfName.Indexed); colorspace.Add(PdfName.Devicergb); var len = MCurrTable.Length; colorspace.Add(new PdfNumber(len / 3 - 1)); colorspace.Add(new PdfString(MCurrTable)); var ad = new PdfDictionary(); ad.Put(PdfName.Colorspace, colorspace); img.Additional = ad; if (Transparency) { img.Transparency = new[] { TransIndex, TransIndex }; } img.OriginalType = Image.ORIGINAL_GIF; img.OriginalData = FromData; img.Url = FromUrl; var gf = new GifFrame { Image = img, Ix = Ix, Iy = Iy }; Frames.Add(gf); // add image to frame list //ResetFrame(); }
/** * Reads next frame image */ protected void ReadImage() { ix = ReadShort(); // (sub)image position & size iy = ReadShort(); iw = ReadShort(); ih = ReadShort(); int packed = inp.ReadByte(); lctFlag = (packed & 0x80) != 0; // 1 - local color table flag interlace = (packed & 0x40) != 0; // 2 - interlace flag // 3 - sort flag // 4-5 - reserved lctSize = 2 << (packed & 7); // 6-8 - local color table size m_bpc = NewBpc(m_gbpc); if (lctFlag) { m_curr_table = ReadColorTable((packed & 7) + 1); // read table m_bpc = NewBpc((packed & 7) + 1); } else { m_curr_table = m_global_table; } if (transparency && transIndex >= m_curr_table.Length / 3) { transparency = false; } if (transparency && m_bpc == 1) // Acrobat 5.05 doesn't like this combination { byte[] tp = new byte[12]; Array.Copy(m_curr_table, 0, tp, 0, 6); m_curr_table = tp; m_bpc = 2; } bool skipZero = DecodeImageData(); // decode pixel data if (!skipZero) { Skip(); } Image img = null; img = new ImgRaw(iw, ih, 1, m_bpc, m_out); PdfArray colorspace = new PdfArray(); colorspace.Add(PdfName.INDEXED); colorspace.Add(PdfName.DEVICERGB); int len = m_curr_table.Length; colorspace.Add(new PdfNumber(len / 3 - 1)); colorspace.Add(new PdfString(m_curr_table)); PdfDictionary ad = new PdfDictionary(); ad.Put(PdfName.COLORSPACE, colorspace); img.Additional = ad; if (transparency) { img.Transparency = new int[] { transIndex, transIndex }; } img.OriginalType = Image.ORIGINAL_GIF; img.OriginalData = fromData; img.Url = fromUrl; GifFrame gf = new GifFrame(); gf.image = img; gf.ix = ix; gf.iy = iy; frames.Add(gf); // add image to frame list //ResetFrame(); }
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); }
private Image IndexedModel(byte[] bdata, int bpc, int paletteEntries) { Image img = new ImgRaw(width, height, 1, bpc, bdata); PdfArray colorspace = new PdfArray(); colorspace.Add(PdfName.INDEXED); colorspace.Add(PdfName.DEVICERGB); byte[] np = GetPalette(paletteEntries); int len = np.Length; colorspace.Add(new PdfNumber(len / 3 - 1)); colorspace.Add(new PdfString(np)); PdfDictionary ad = new PdfDictionary(); ad.Put(PdfName.COLORSPACE, colorspace); img.Additional = ad; return img; }
Image GetImage() { ReadPng(); int pal0 = 0; int palIdx = 0; palShades = false; if (trans != null) { for (int k = 0; k < trans.Length; ++k) { int n = trans[k] & 0xff; if (n == 0) { ++pal0; palIdx = k; } if (n != 0 && n != 255) { palShades = true; break; } } } if ((colorType & 4) != 0) { palShades = true; } genBWMask = (!palShades && (pal0 > 1 || transRedGray >= 0)); if (!palShades && !genBWMask && pal0 == 1) { additional.Put(PdfName.MASK, new PdfLiteral("[" + palIdx + " " + palIdx + "]")); } bool needDecode = (interlaceMethod == 1) || (bitDepth == 16) || ((colorType & 4) != 0) || palShades || genBWMask; switch (colorType) { case 0: inputBands = 1; break; case 2: inputBands = 3; break; case 3: inputBands = 1; break; case 4: inputBands = 2; break; case 6: inputBands = 4; break; } if (needDecode) { DecodeIdat(); } int components = inputBands; if ((colorType & 4) != 0) { --components; } int bpc = bitDepth; if (bpc == 16) { bpc = 8; } Image img; if (image != null) { img = Image.GetInstance(width, height, components, bpc, image); } else { img = new ImgRaw(width, height, components, bpc, idat.ToArray()); img.Deflated = true; PdfDictionary decodeparms = new PdfDictionary(); decodeparms.Put(PdfName.BITSPERCOMPONENT, new PdfNumber(bitDepth)); decodeparms.Put(PdfName.PREDICTOR, new PdfNumber(15)); decodeparms.Put(PdfName.COLUMNS, new PdfNumber(width)); decodeparms.Put(PdfName.COLORS, new PdfNumber((colorType == 3 || (colorType & 2) == 0) ? 1 : 3)); additional.Put(PdfName.DECODEPARMS, decodeparms); } if (additional.Get(PdfName.COLORSPACE) == null) { additional.Put(PdfName.COLORSPACE, GetColorspace()); } if (intent != null) { additional.Put(PdfName.INTENT, intent); } if (additional.Size > 0) { img.Additional = additional; } if (icc_profile != null) { img.TagICC = icc_profile; } if (palShades) { Image im2 = Image.GetInstance(width, height, 1, 8, smask); im2.MakeMask(); img.ImageMask = im2; } if (genBWMask) { Image im2 = Image.GetInstance(width, height, 1, 1, smask); im2.MakeMask(); img.ImageMask = im2; } img.SetDpi(dpiX, dpiY); img.XYRatio = XYRatio; img.OriginalType = Image.ORIGINAL_PNG; return(img); }
private Image getImage() { readPng(); var pal0 = 0; var palIdx = 0; _palShades = false; if (_trans != null) { for (var k = 0; k < _trans.Length; ++k) { var n = _trans[k] & 0xff; if (n == 0) { ++pal0; palIdx = k; } if (n != 0 && n != 255) { _palShades = true; break; } } } if ((_colorType & 4) != 0) { _palShades = true; } _genBwMask = (!_palShades && (pal0 > 1 || _transRedGray >= 0)); if (!_palShades && !_genBwMask && pal0 == 1) { _additional.Put(PdfName.Mask, new PdfLiteral("[" + palIdx + " " + palIdx + "]")); } var needDecode = (_interlaceMethod == 1) || (_bitDepth == 16) || ((_colorType & 4) != 0) || _palShades || _genBwMask; switch (_colorType) { case 0: _inputBands = 1; break; case 2: _inputBands = 3; break; case 3: _inputBands = 1; break; case 4: _inputBands = 2; break; case 6: _inputBands = 4; break; } if (needDecode) { decodeIdat(); } var components = _inputBands; if ((_colorType & 4) != 0) { --components; } var bpc = _bitDepth; if (bpc == 16) { bpc = 8; } Image img; if (_image != null) { if (_colorType == 3) { img = new ImgRaw(_width, _height, components, bpc, _image); } else { img = Image.GetInstance(_width, _height, components, bpc, _image); } } else { img = new ImgRaw(_width, _height, components, bpc, _idat.ToArray()) { Deflated = true }; var decodeparms = new PdfDictionary(); decodeparms.Put(PdfName.Bitspercomponent, new PdfNumber(_bitDepth)); decodeparms.Put(PdfName.Predictor, new PdfNumber(15)); decodeparms.Put(PdfName.Columns, new PdfNumber(_width)); decodeparms.Put(PdfName.Colors, new PdfNumber((_colorType == 3 || (_colorType & 2) == 0) ? 1 : 3)); _additional.Put(PdfName.Decodeparms, decodeparms); } if (_additional.Get(PdfName.Colorspace) == null) { _additional.Put(PdfName.Colorspace, getColorspace()); } if (_intent != null) { _additional.Put(PdfName.Intent, _intent); } if (_additional.Size > 0) { img.Additional = _additional; } if (_iccProfile != null) { img.TagIcc = _iccProfile; } if (_palShades) { var im2 = Image.GetInstance(_width, _height, 1, 8, _smask); im2.MakeMask(); img.ImageMask = im2; } if (_genBwMask) { var im2 = Image.GetInstance(_width, _height, 1, 1, _smask); im2.MakeMask(); img.ImageMask = im2; } img.SetDpi(_dpiX, _dpiY); img.XyRatio = _xyRatio; img.OriginalType = Image.ORIGINAL_PNG; return(img); }
Image GetImage() { ReadPng(); int pal0 = 0; int palIdx = 0; palShades = false; if (trans != null) { for (int k = 0; k < trans.Length; ++k) { int n = trans[k] & 0xff; if (n == 0) { ++pal0; palIdx = k; } if (n != 0 && n != 255) { palShades = true; break; } } } if ((colorType & 4) != 0) palShades = true; genBWMask = (!palShades && (pal0 > 1 || transRedGray >= 0)); if (!palShades && !genBWMask && pal0 == 1) { additional.Put(PdfName.MASK, new PdfLiteral("["+palIdx+" "+palIdx+"]")); } bool needDecode = (interlaceMethod == 1) || (bitDepth == 16) || ((colorType & 4) != 0) || palShades || genBWMask; switch (colorType) { case 0: inputBands = 1; break; case 2: inputBands = 3; break; case 3: inputBands = 1; break; case 4: inputBands = 2; break; case 6: inputBands = 4; break; } if (needDecode) DecodeIdat(); int components = inputBands; if ((colorType & 4) != 0) --components; int bpc = bitDepth; if (bpc == 16) bpc = 8; Image img; if (image != null) { if (colorType == 3) img = new ImgRaw(width, height, components, bpc, image); else img = Image.GetInstance(width, height, components, bpc, image); } else { img = new ImgRaw(width, height, components, bpc, idat.ToArray()); img.Deflated = true; PdfDictionary decodeparms = new PdfDictionary(); decodeparms.Put(PdfName.BITSPERCOMPONENT, new PdfNumber(bitDepth)); decodeparms.Put(PdfName.PREDICTOR, new PdfNumber(15)); decodeparms.Put(PdfName.COLUMNS, new PdfNumber(width)); decodeparms.Put(PdfName.COLORS, new PdfNumber((colorType == 3 || (colorType & 2) == 0) ? 1 : 3)); additional.Put(PdfName.DECODEPARMS, decodeparms); } if (additional.Get(PdfName.COLORSPACE) == null) additional.Put(PdfName.COLORSPACE, GetColorspace()); if (intent != null) additional.Put(PdfName.INTENT, intent); if (additional.Size > 0) img.Additional = additional; if (icc_profile != null) img.TagICC = icc_profile; if (palShades) { Image im2 = Image.GetInstance(width, height, 1, 8, smask); im2.MakeMask(); img.ImageMask = im2; } if (genBWMask) { Image im2 = Image.GetInstance(width, height, 1, 1, smask); im2.MakeMask(); img.ImageMask = im2; } img.SetDpi(dpiX, dpiY); img.XYRatio = XYRatio; img.OriginalType = Image.ORIGINAL_PNG; return img; }