C# NikseBitmap类代码示例

 public BinaryOcrBitmap(NikseBitmap nbmp, bool italic, int expandCount, string text)
 {
     InitializeViaNikseBmp(nbmp);
     Italic = italic;
     ExpandCount = expandCount;
     Text = text;
 }

 public ImageSplitterItem(int x, int y, NikseBitmap bitmap)
 {
     X = x;
     Y = y;
     NikseBitmap = bitmap;
     SpecialCharacter = null;
 }

        private byte[] GetSubImageBuffer(RunLengthTwoParts twoPartBuffer, NikseBitmap nbmp, Paragraph p, ContentAlignment alignment)
        {
            var ms = new MemoryStream();

            // sup picture datasize
            WriteEndianWord(twoPartBuffer.Length + 34, ms);

            // first display control sequence table address
            int startDisplayControlSequenceTableAddress = twoPartBuffer.Length + 4;
            WriteEndianWord(startDisplayControlSequenceTableAddress, ms);

            // Write image
            const int imageTopFieldDataAddress = 4;
            ms.Write(twoPartBuffer.Buffer1, 0, twoPartBuffer.Buffer1.Length);
            int imageBottomFieldDataAddress = 4 + twoPartBuffer.Buffer1.Length;
            ms.Write(twoPartBuffer.Buffer2, 0, twoPartBuffer.Buffer2.Length);

            // Write zero delay
            ms.WriteByte(0);
            ms.WriteByte(0);

            // next display control sequence table address (use current is last)
            WriteEndianWord(startDisplayControlSequenceTableAddress + 24, ms); // start of display control sequence table address

            // Control command start
            if (p.Forced)
                ms.WriteByte(0); // ForcedStartDisplay==0
            else
                ms.WriteByte(1); // StartDisplay==1

            // Control command 3 = SetColor
            WriteColors(ms); // 3 bytes

            // Control command 4 = SetContrast
            WriteContrast(ms); // 3 bytes

            // Control command 5 = SetDisplayArea
            WriteDisplayArea(ms, nbmp, alignment); // 7 bytes

            // Control command 6 = SetPixelDataAddress
            WritePixelDataAddress(ms, imageTopFieldDataAddress, imageBottomFieldDataAddress); // 5 bytes

            // Control command exit
            ms.WriteByte(255); // 1 byte

            // Control Sequence Table
            // Write delay - subtitle duration
            WriteEndianWord(Convert.ToInt32(p.Duration.TotalMilliseconds * 90.0 - 1023) >> 10, ms);

            // next display control sequence table address (use current is last)
            WriteEndianWord(startDisplayControlSequenceTableAddress + 24, ms); // start of display control sequence table address

            // Control command 2 = StopDisplay
            ms.WriteByte(2);

            // extra byte - for compatability with gpac/MP4BOX
            ms.WriteByte(255); // 1 byte

            return ms.ToArray();
        }

 /// <summary>
 /// Initializes a new instance of the <see cref="ImageSplitterItem"/> class.
 /// </summary>
 /// <param name="x">
 /// The x.
 /// </param>
 /// <param name="y">
 /// The y.
 /// </param>
 /// <param name="bitmap">
 /// The bitmap.
 /// </param>
 public ImageSplitterItem(int x, int y, NikseBitmap bitmap)
 {
     this.X = x;
     this.Y = y;
     this.NikseBitmap = bitmap;
     this.SpecialCharacter = null;
 }

 public BinaryOcrBitmap(NikseBitmap nbmp, bool italic, int expandCount, string text, int x, int y)
 {
     this.InitializeViaNikseBmp(nbmp);
     this.Italic = italic;
     this.ExpandCount = expandCount;
     this.Text = text;
     this.X = x;
     this.Y = y;
 }

        public static NikseBitmap CropTopAndBottom(NikseBitmap bmp, out int topCropping, int maxDifferentPixelsOnLine)
        {
            int startTop = 0;
            int maxTop = bmp.Height - 2;
            if (maxTop > bmp.Height)
                maxTop = bmp.Height;

            for (int y = 0; y < maxTop; y++)
            {
                int difference = 0;
                bool allTransparent = true;
                for (int x = 1; x < bmp.Width - 1; x++)
                {
                    int a = bmp.GetAlpha(x, y);
                    if (a != 0)
                    {
                        difference++;
                        if (difference >= maxDifferentPixelsOnLine)
                        {
                            allTransparent = false;
                            break;
                        }
                    }
                }
                if (!allTransparent)
                    break;
                startTop++;
            }
            if (startTop > 9)
                startTop -= 5; // if top space > 9, then allways leave blank 5 pixels on top (so . is not confused with ').
            topCropping = startTop;

            for (int y = bmp.Height - 1; y > 3; y--)
            {
                int difference = 0;
                bool allTransparent = true;
                for (int x = 1; x < bmp.Width - 1; x++)
                {
                    int a = bmp.GetAlpha(x, y);
                    if (a != 0)
                    {
                        difference++;
                        if (difference >= maxDifferentPixelsOnLine)
                        {
                            allTransparent = false;
                            break;
                        }
                    }
                }
                if (allTransparent == false)
                    return bmp.CopyRectangle(new Rectangle(0, startTop, bmp.Width - 1, y - startTop + 1));
            }
            return bmp;
        }

        internal void Initialize(Bitmap vobSubImage, ImageSplitterItem character, Point position, bool italicChecked, bool showShrink)
        {
            listBoxLinesForeground.Items.Clear();
            listBoxlinesBackground.Items.Clear();
            NikseBitmap nbmp = new NikseBitmap(vobSubImage);
            nbmp.ReplaceTransparentWith(Color.Black);
            vobSubImage = nbmp.GetBitmap();

            radioButtonHot.Checked = true;
            ShrinkSelection = false;
            ExpandSelection = false;

            textBoxCharacters.Text = string.Empty;
            _nocrChar = new NOcrChar();
            _nocrChar.MarginTop = character.Y - character.ParentY;
            _imageWidth = character.NikseBitmap.Width;
            _imageHeight = character.NikseBitmap.Height;
            _drawLineOn = false;
            _warningNoNotForegroundLinesShown = false;

            buttonShrinkSelection.Visible = showShrink;

            if (position.X != -1 && position.Y != -1)
            {
                StartPosition = FormStartPosition.Manual;
                Left = position.X;
                Top = position.Y;
            }

            pictureBoxSubtitleImage.Image = vobSubImage;
            pictureBoxCharacter.Image = character.NikseBitmap.GetBitmap();

            Bitmap org = (Bitmap)vobSubImage.Clone();
            Bitmap bm = new Bitmap(org.Width, org.Height);
            Graphics g = Graphics.FromImage(bm);
            g.DrawImage(org, 0, 0, org.Width, org.Height);
            g.DrawRectangle(Pens.Red, character.X, character.Y, character.NikseBitmap.Width, character.NikseBitmap.Height - 1);
            g.Dispose();
            pictureBoxSubtitleImage.Image = bm;

            pictureBoxCharacter.Top = labelCharacters.Top + 16;
            SizePictureBox();
            checkBoxItalic.Checked = italicChecked;

            _history = new List<NOcrChar>();
            _historyIndex = -1;

            _nocrChar.Width = _imageWidth;
            _nocrChar.Height = _imageHeight;
            GenerateLineSegments(150, false, _nocrChar, new NikseBitmap(pictureBoxCharacter.Image as Bitmap));
            ShowOcrPoints();
            pictureBoxCharacter.Invalidate();
        }

        internal void Initialize(Bitmap bitmap, int pixelsIsSpace, bool rightToLeft, NOcrDb nOcrDb, VobSubOcr vobSubOcr)
        {
            _bitmap = bitmap;
            var nbmp = new NikseBitmap(bitmap);
            nbmp.ReplaceNonWhiteWithTransparent();
            bitmap = nbmp.GetBitmap();
            _bitmap2 = bitmap;
            _nocrChars = nOcrDb.OcrCharacters;
            _matchList = new List<VobSubOcr.CompareMatch>();
            _vobSubOcr = vobSubOcr;

            const int minLineHeight = 6;
            _imageList = NikseBitmapImageSplitter.SplitBitmapToLettersNew(nbmp, pixelsIsSpace, rightToLeft, Configuration.Settings.VobSubOcr.TopToBottom, minLineHeight);
            // _imageList = NikseBitmapImageSplitter.SplitBitmapToLetters(nbmp, pixelsIsSpace, rightToLeft, Configuration.Settings.VobSubOcr.TopToBottom);

            int index = 0;
            while (index < _imageList.Count)
            {
                ImageSplitterItem item = _imageList[index];
                if (item.NikseBitmap == null)
                {
                    listBoxInspectItems.Items.Add(item.SpecialCharacter);
                    _matchList.Add(null);
                }
                else
                {
                    nbmp = item.NikseBitmap;
                    nbmp.ReplaceNonWhiteWithTransparent();
                    item.Y += nbmp.CropTopTransparent(0);
                    nbmp.CropTransparentSidesAndBottom(0, true);
                    nbmp.ReplaceTransparentWith(Color.Black);

                    //get nocr matches
                    var match = vobSubOcr.GetNOcrCompareMatchNew(item, nbmp, nOcrDb, false, false);
                    if (match == null)
                    {
                        listBoxInspectItems.Items.Add("?");
                        _matchList.Add(null);
                    }
                    else
                    {
                        listBoxInspectItems.Items.Add(match.Text);
                        _matchList.Add(match);
                    }
                }
                index++;
            }
        }

        public static NikseBitmap CropTopAndBottom(NikseBitmap bmp, out int topCropping)
        {
            int startTop = 0;
            int maxTop = bmp.Height - 2;
            if (maxTop > bmp.Height)
                maxTop = bmp.Height;
            for (int y = 0; y < maxTop; y++)
            {
                bool allTransparent = true;
                for (int x = 0; x < bmp.Width; x++)
                {
                    int a = bmp.GetAlpha(x, y);
                    if (a != 0)
                    {
                        allTransparent = false;
                        break;
                    }
                }
                if (!allTransparent)
                    break;
                startTop++;
            }
            //if (startTop > 9)
            //startTop -= 5; // if top space > 9, then allways leave blank 5 pixels on top (so . is not confused with ').
            topCropping = startTop;

            int h = bmp.Height;
            bool bottomCroppingDone = false;
            for (int y = bmp.Height - 1; y > 3; y--)
            {
                for (int x = 0; x < bmp.Width; x++)
                {
                    int a = bmp.GetAlpha(x, y);
                    if (a != 0)
                    {
                        bottomCroppingDone = true;
                        break;
                    }
                }
                h = y;
                if (bottomCroppingDone)
                    break;
            }
            if (h - startTop + 1 <= 0)
                return new NikseBitmap(0, 0);
            return bmp.CopyRectangle(new Rectangle(0, startTop, bmp.Width, h - startTop + 1));
        }

 internal static ImageSplitterItem GetExpandedSelection(NikseBitmap bitmap, List<ImageSplitterItem> expandSelectionList, bool rightToLeft)
 {
     if (rightToLeft)
     {
         int minimumX = expandSelectionList[expandSelectionList.Count - 1].X - expandSelectionList[expandSelectionList.Count - 1].NikseBitmap.Width;
         int maximumX = expandSelectionList[0].X;
         int minimumY = expandSelectionList[0].Y;
         int maximumY = expandSelectionList[0].Y + expandSelectionList[0].NikseBitmap.Height;
         foreach (ImageSplitterItem item in expandSelectionList)
         {
             if (item.Y < minimumY)
                 minimumY = item.Y;
             if (item.Y + item.NikseBitmap.Height > maximumY)
                 maximumY = item.Y + item.NikseBitmap.Height;
         }
         var part = bitmap.CopyRectangle(new Rectangle(minimumX, minimumY, maximumX - minimumX, maximumY - minimumY));
         return new ImageSplitterItem(minimumX, minimumY, part);
     }
     else
     {
         int minimumX = expandSelectionList[0].X;
         int maximumX = expandSelectionList[expandSelectionList.Count - 1].X + expandSelectionList[expandSelectionList.Count - 1].NikseBitmap.Width;
         int minimumY = expandSelectionList[0].Y;
         int maximumY = expandSelectionList[0].Y + expandSelectionList[0].NikseBitmap.Height;
         foreach (ImageSplitterItem item in expandSelectionList)
         {
             if (item.Y < minimumY)
                 minimumY = item.Y;
             if (item.Y + item.NikseBitmap.Height > maximumY)
                 maximumY = item.Y + item.NikseBitmap.Height;
         }
         var part = bitmap.CopyRectangle(new Rectangle(minimumX, minimumY, maximumX - minimumX, maximumY - minimumY));
         return new ImageSplitterItem(minimumX, minimumY, part);
     }
 }

        private string Tesseract3DoOcrViaExe(Bitmap bmp, string language, string psmMode)
        {
            // change yellow color to white - easier for Tesseract
            var nbmp = new NikseBitmap(bmp);
            nbmp.ReplaceYellowWithWhite(); // optimized replace

            string tempTiffFileName = Path.GetTempPath() + Guid.NewGuid() + ".png";
            string tempTextFileName;
            using (var b = nbmp.GetBitmap())
            {
                b.Save(tempTiffFileName, System.Drawing.Imaging.ImageFormat.Png);
                tempTextFileName = Path.GetTempPath() + Guid.NewGuid();
            }

            using (var process = new Process())
            {
                process.StartInfo = new ProcessStartInfo(Configuration.TesseractFolder + "tesseract.exe");
                process.StartInfo.UseShellExecute = true;
                process.StartInfo.Arguments = "\"" + tempTiffFileName + "\" \"" + tempTextFileName + "\" -l " + language;

                if (checkBoxTesseractMusicOn.Checked)
                    process.StartInfo.Arguments += "+music";

                if (!string.IsNullOrEmpty(psmMode))
                    process.StartInfo.Arguments += " " + psmMode.Trim();

                process.StartInfo.Arguments += " hocr";
                process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;

                if (Configuration.IsRunningOnLinux() || Configuration.IsRunningOnMac())
                {
                    process.StartInfo.UseShellExecute = false;
                    process.StartInfo.RedirectStandardError = true;
                    process.StartInfo.FileName = "tesseract";
                }
                else
                {
                    process.StartInfo.WorkingDirectory = (Configuration.TesseractFolder);
                }

                try
                {
                    process.Start();
                }
                catch
                {
                    if (Configuration.IsRunningOnLinux() || Configuration.IsRunningOnMac())
                    {
                        MessageBox.Show("Unable to start 'Tesseract' - make sure tesseract-ocr 3.x is installed!");
                    }
                    else
                    {
                        MessageBox.Show("Unable to start 'Tesseract' (" + Configuration.TesseractFolder + "tesseract.exe) - make sure tesseract-ocr 3.x is installed!");
                    }
                    throw;
                }
                process.WaitForExit(5000);
            }

            string result = string.Empty;
            string outputFileName = tempTextFileName + ".html";
            if (!File.Exists(outputFileName))
                outputFileName = tempTextFileName + ".hocr";
            try
            {
                if (File.Exists(outputFileName))
                {
                    result = File.ReadAllText(outputFileName);
                    result = ParseHocr(result);
                    File.Delete(outputFileName);
                }
                File.Delete(tempTiffFileName);
            }
            catch
            {
            }
            return result;
        }

        public string NocrFastCheck(Bitmap bitmap)
        {
            var nbmpInput = new NikseBitmap(bitmap);
            nbmpInput.ReplaceNonWhiteWithTransparent();

            var matches = new List<CompareMatch>();
            List<ImageSplitterItem> list = NikseBitmapImageSplitter.SplitBitmapToLetters(nbmpInput, (int)numericUpDownNumberOfPixelsIsSpaceNOCR.Value, checkBoxRightToLeft.Checked, Configuration.Settings.VobSubOcr.TopToBottom);

            foreach (ImageSplitterItem item in list)
            {
                if (item.NikseBitmap != null)
                {
                    item.NikseBitmap.ReplaceTransparentWith(Color.Black);
                }
            }
            int index = 0;

            while (index < list.Count)
            {
                ImageSplitterItem item = list[index];
                if (item.NikseBitmap == null)
                {
                    matches.Add(new CompareMatch(item.SpecialCharacter, false, 0, null));
                }
                else
                {
                    CompareMatch match = null;

                    var nbmp = item.NikseBitmap;
                    int topMargin = item.Y - item.ParentY;
                    foreach (NOcrChar oc in _nOcrDb.OcrCharacters)
                    {
                        if (Math.Abs(oc.Width - nbmp.Width) < 3 && Math.Abs(oc.Height - nbmp.Height) < 4 && Math.Abs(oc.MarginTop - topMargin) < 4)
                        { // only very accurate matches

                            bool ok = true;
                            var index2 = 0;
                            while (index2 < oc.LinesForeground.Count && ok)
                            {
                                NOcrPoint op = oc.LinesForeground[index2];
                                foreach (Point point in op.ScaledGetPoints(oc, nbmp.Width, nbmp.Height))
                                {
                                    if (point.X >= 0 && point.Y >= 0 && point.X < nbmp.Width && point.Y < nbmp.Height)
                                    {
                                        Color c = nbmp.GetPixel(point.X, point.Y);
                                        if (c.A > 150 && c.R + c.G + c.B > NocrMinColor)
                                        {
                                        }
                                        else
                                        {
                                            Point p = new Point(point.X - 1, point.Y);
                                            if (p.X < 0)
                                                p.X = 1;
                                            c = nbmp.GetPixel(p.X, p.Y);
                                            if (nbmp.Width > 20 && c.A > 150 && c.R + c.G + c.B > NocrMinColor)
                                            {
                                            }
                                            else
                                            {
                                                ok = false;
                                                break;
                                            }
                                        }
                                    }
                                }
                                index2++;
                            }
                            index2 = 0;
                            while (index2 < oc.LinesBackground.Count && ok)
                            {
                                NOcrPoint op = oc.LinesBackground[index2];
                                foreach (Point point in op.ScaledGetPoints(oc, nbmp.Width, nbmp.Height))
                                {
                                    if (point.X >= 0 && point.Y >= 0 && point.X < nbmp.Width && point.Y < nbmp.Height)
                                    {
                                        Color c = nbmp.GetPixel(point.X, point.Y);
                                        if (c.A > 150 && c.R + c.G + c.B > NocrMinColor)
                                        {
                                            Point p = new Point(point.X, point.Y);
                                            if (oc.Width > 19 && point.X > 0)
                                                p.X = p.X - 1;
                                            c = nbmp.GetPixel(p.X, p.Y);
                                            if (c.A > 150 && c.R + c.G + c.B > NocrMinColor)
                                            {
                                                ok = false;
                                                break;
                                            }
                                        }
                                    }
                                }
                                index2++;
                            }
                            if (ok)
                                match = new CompareMatch(oc.Text, oc.Italic, 0, null);
                        }
                    }

                    if (match == null)
                    {
                        matches.Add(new CompareMatch("*", false, 0, null));
//.........这里部分代码省略.........

        private string SaveCompareItem(NikseBitmap newTarget, string text, bool isItalic, int expandCount)
        {
            string path = Configuration.VobSubCompareFolder + comboBoxCharacterDatabase.SelectedItem + Path.DirectorySeparatorChar;
            string databaseName = path + "Images.db";
            FileStream f;
            long pos;
            if (!File.Exists(databaseName))
            {
                if (!Directory.Exists(Configuration.OcrFolder))
                {
                    Directory.CreateDirectory(Configuration.OcrFolder);
                }

                using (f = new FileStream(databaseName, FileMode.Create))
                {
                    pos = f.Position;
                    new ManagedBitmap(newTarget).AppendToStream(f);
                }
            }
            else
            {
                using (f = new FileStream(databaseName, FileMode.Append))
                {
                    pos = f.Position;
                    new ManagedBitmap(newTarget).AppendToStream(f);
                }
            }
            string name = pos.ToString(CultureInfo.InvariantCulture);

            if (_compareDoc == null)
            {
                _compareDoc = new XmlDocument();
                _compareDoc.LoadXml("<OcrBitmaps></OcrBitmaps>");
            }
            if (_compareBitmaps == null)
                _compareBitmaps = new List<CompareItem>();
            _compareBitmaps.Add(new CompareItem(new ManagedBitmap(newTarget), name, isItalic, expandCount, text));

            XmlElement element = _compareDoc.CreateElement("Item");
            XmlAttribute attribute = _compareDoc.CreateAttribute("Text");
            attribute.InnerText = text;
            element.Attributes.Append(attribute);
            if (expandCount > 0)
            {
                XmlAttribute expandSelection = _compareDoc.CreateAttribute("Expand");
                expandSelection.InnerText = expandCount.ToString(CultureInfo.InvariantCulture);
                element.Attributes.Append(expandSelection);
            }
            if (isItalic)
            {
                XmlAttribute italic = _compareDoc.CreateAttribute("Italic");
                italic.InnerText = "true";
                element.Attributes.Append(italic);
            }
            element.InnerText = pos.ToString(CultureInfo.InvariantCulture);
            _compareDoc.DocumentElement.AppendChild(element);
            _compareDoc.Save(path + "Images.xml");
            return name;
        }

        private string OcrViaNOCR(Bitmap bitmap, int listViewIndex)
        {
            if (_ocrFixEngine == null)
                comboBoxDictionaries_SelectedIndexChanged(null, null);

            string line = string.Empty;
            if (_nocrThreadResults != null)
                line = _nocrThreadResults[listViewIndex];
            if (string.IsNullOrEmpty(line))
            {
                var nbmpInput = new NikseBitmap(bitmap);

                var matches = new List<CompareMatch>();

                int minLineHeight = _binOcrLastLowercaseHeight - 3;
                if (minLineHeight < 5)
                    minLineHeight = _nocrLastLowercaseHeight - 3;
                if (minLineHeight < 5)
                    minLineHeight = 5;
                List<ImageSplitterItem> list = NikseBitmapImageSplitter.SplitBitmapToLettersNew(nbmpInput, (int)numericUpDownNumberOfPixelsIsSpaceNOCR.Value, checkBoxRightToLeft.Checked, Configuration.Settings.VobSubOcr.TopToBottom, minLineHeight);

                foreach (ImageSplitterItem item in list)
                {
                    if (item.NikseBitmap != null)
                    {
                        item.NikseBitmap.ReplaceTransparentWith(Color.Black);
                    }
                }
                int index = 0;
                bool expandSelection = false;
                bool shrinkSelection = false;
                var expandSelectionList = new List<ImageSplitterItem>();
                while (index < list.Count)
                {
                    ImageSplitterItem item = list[index];
                    if (expandSelection || shrinkSelection)
                    {
                        expandSelection = false;
                        if (shrinkSelection && index > 0)
                        {
                            shrinkSelection = false;
                        }
                        else if (index + 1 < list.Count && list[index + 1].NikseBitmap != null) // only allow expand to EndOfLine or space
                        {
                            index++;
                            expandSelectionList.Add(list[index]);
                        }
                        item = GetExpandedSelection(nbmpInput, expandSelectionList, checkBoxRightToLeft.Checked);
                        if (item.NikseBitmap != null)
                        {
                            item.NikseBitmap.ReplaceTransparentWith(Color.Black);
                        }

                        _vobSubOcrNOcrCharacter.Initialize(bitmap, item, _manualOcrDialogPosition, _italicCheckedLast, expandSelectionList.Count > 1);
                        DialogResult result = _vobSubOcrNOcrCharacter.ShowDialog(this);
                        _manualOcrDialogPosition = _vobSubOcrNOcrCharacter.FormPosition;
                        if (result == DialogResult.OK && _vobSubOcrNOcrCharacter.ShrinkSelection)
                        {
                            shrinkSelection = true;
                            index--;
                            if (expandSelectionList.Count > 0)
                                expandSelectionList.RemoveAt(expandSelectionList.Count - 1);
                        }
                        else if (result == DialogResult.OK && _vobSubOcrNOcrCharacter.ExpandSelection)
                        {
                            expandSelection = true;
                        }
                        else if (result == DialogResult.OK)
                        {
                            var c = _vobSubOcrNOcrCharacter.NOcrChar;
                            if (expandSelectionList.Count > 1)
                                c.ExpandCount = expandSelectionList.Count;
                            _nOcrDb.Add(c);
                            SaveNOcrWithCurrentLanguage();
                            string text = _vobSubOcrNOcrCharacter.NOcrChar.Text;
                            //string name = SaveCompareItem(item.NikseBitmap, text, _vobSubOcrNOcrCharacter.IsItalic, expandSelectionList.Count);
                            //var addition = new ImageCompareAddition(name, text, item.NikseBitmap, _vobSubOcrNOcrCharacter.IsItalic, listViewIndex);
                            //_lastAdditions.Add(addition);
                            matches.Add(new CompareMatch(text, _vobSubOcrNOcrCharacter.IsItalic, expandSelectionList.Count, null));
                            expandSelectionList = new List<ImageSplitterItem>();
                        }
                        else if (result == DialogResult.Abort)
                        {
                            _abort = true;
                        }
                        else
                        {
                            matches.Add(new CompareMatch("*", false, 0, null));
                        }
                        _italicCheckedLast = _vobSubOcrNOcrCharacter.IsItalic;
                    }
                    else if (item.NikseBitmap == null)
                    {
                        matches.Add(new CompareMatch(item.SpecialCharacter, false, 0, null));
                    }
                    else
                    {
                        CompareMatch match = GetNOcrCompareMatchNew(item, nbmpInput, _nOcrDb, checkBoxNOcrItalic.Checked, !checkBoxNOcrCorrect.Checked);
                        if (match == null)
                        {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                                        fbmp.SetPixel(x, y, emphasis1);
                                    else
                                        fbmp.SetPixel(x, y, c);
                                }
                            }
                            fbmp.UnlockImage();
                        }
                        if (checkBoxAutoTransparentBackground.Checked)
                            b.MakeTransparent();
                        returnBmp = b;
                    }
                }
            }
            else if (_xSubList != null)
            {
                if (index >= 0 && index < _xSubList.Count)
                {
                    if (checkBoxCustomFourColors.Checked)
                    {
                        GetCustomColors(out background, out pattern, out emphasis1, out emphasis2);
                        returnBmp = _xSubList[index].GetImage(background, pattern, emphasis1, emphasis2);
                    }
                    else
                    {
                        returnBmp = _xSubList[index].GetImage();
                    }
                }
            }
            else if (_dvbSubtitles != null)
            {
                if (index >= 0 && index < _dvbSubtitles.Count)
                {
                    var dvbBmp = _dvbSubtitles[index].GetActiveImage();
                    var nDvbBmp = new NikseBitmap(dvbBmp);
                    nDvbBmp.CropTopTransparent(2);
                    nDvbBmp.CropTransparentSidesAndBottom(2, true);
                    if (checkBoxTransportStreamGetColorAndSplit.Checked)
                        _dvbSubColor = nDvbBmp.GetBrightestColorWhiteIsTransparent();
                    if (checkBoxAutoTransparentBackground.Checked)
                        nDvbBmp.MakeBackgroundTransparent((int)numericUpDownAutoTransparentAlphaMax.Value);
                    if (checkBoxTransportStreamGrayscale.Checked)
                        nDvbBmp.GrayScale();
                    dvbBmp.Dispose();
                    returnBmp = nDvbBmp.GetBitmap();
                }
            }
            else if (_dvbPesSubtitles != null)
            {
                if (index >= 0 && index < _dvbPesSubtitles.Count)
                {
                    var dvbBmp = _dvbPesSubtitles[index].GetImageFull();
                    var nDvbBmp = new NikseBitmap(dvbBmp);
                    nDvbBmp.CropTopTransparent(2);
                    nDvbBmp.CropTransparentSidesAndBottom(2, true);
                    if (checkBoxTransportStreamGetColorAndSplit.Checked)
                        _dvbSubColor = nDvbBmp.GetBrightestColorWhiteIsTransparent();
                    if (checkBoxAutoTransparentBackground.Checked)
                        nDvbBmp.MakeBackgroundTransparent((int)numericUpDownAutoTransparentAlphaMax.Value);
                    if (checkBoxTransportStreamGrayscale.Checked)
                        nDvbBmp.GrayScale();
                    dvbBmp.Dispose();
                    returnBmp = nDvbBmp.GetBitmap();
                }
            }
            else if (_bluRaySubtitlesOriginal != null)
            {