Exemple #1
0
        public Fontheader(String fileName)
        {
            FileStream streamReader;

            streamReader = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);

            long        pos     = 0;
            List <byte> myBytes = new List <byte>();

            BinaryReader br = new BinaryReader(streamReader);

            br.BaseStream.Seek(0, SeekOrigin.Begin);
            //start from 0
            FileMarker = br.ReadBytes(4);
            //offset 0x04
            FileVersion = Encoding.ASCII.GetString(br.ReadBytes(3));
            if (FileVersion == "1.0")
            {
                fontVersion = FontVersion.Version10;
            }
            else if (FileVersion == "1.3")
            {
                fontVersion = FontVersion.Version13;
                headerSize  = 71;
            }
            else if (FileVersion == "2.0")
            {
                fontVersion = FontVersion.Version20;
            }

            //read header bytes
            pos = br.BaseStream.Position;
            myHeaderBytes.AddRange(br.ReadBytes((int)fontVersion));
            br.BaseStream.Seek(pos, SeekOrigin.Begin); //reset pos

            if (fontVersion == FontVersion.Version13 || fontVersion == FontVersion.Version20)
            {
                br.ReadByte(); //advance 1 byte for NUL terminator, except for Version 1.0 font
            }
            if (fontVersion == FontVersion.Version20)
            {
                byte[] bHeaderSize = br.ReadBytes(4);
                headerSize = (uint)(bHeaderSize[0] + 0xff * bHeaderSize[1] + 0xff00 * bHeaderSize[2] + 0xff0000 * bHeaderSize[3]);// Convert.ToUInt32((bHeaderSize); //read 4 bytes of header size (normally 96), only with version 2.0 font
            }

            ModuloFontName = br.ReadByte();
            FontNameShort  = Encoding.ASCII.GetString(br.ReadBytes(5));
            if (fontVersion == FontVersion.Version13 || fontVersion == FontVersion.Version20)
            {
                br.ReadByte();      //advance 1 byte for NUL terminator, except for Version 1.0 font
            }
            FontID = br.ReadByte(); //offset 0x0d
            if (fontVersion == FontVersion.Version13 || fontVersion == FontVersion.Version20)
            {
                br.ReadBytes(4); //ignore PICA, Elite and there italic font IDs
            }
            AllwaysZero = br.ReadByte();
            if (AllwaysZero != 0)
            {
                System.Diagnostics.Debug.WriteLine("not a font?, allways zero byte is=" + AllwaysZero.ToString());
            }
            if (fontVersion == FontVersion.Version13 || fontVersion == FontVersion.Version20)
            {
                displayCode = br.ReadByte();
            }

            byte[] bUint16 = null;
            bUint16   = br.ReadBytes(2);
            CharWidth = getUint16(bUint16);                             //offset 0x1F and 0x20

            if (fontVersion == FontVersion.Version13 || fontVersion == FontVersion.Version20)
            {
                for (int i = 0; i < 4; i++)
                {
                    br.ReadBytes(2); //ignore PICA, Elite and there italic font width
                }
            }
            bUint16    = br.ReadBytes(2);
            CharHeight = getUint16(bUint16);                            //offset 0x21 and 0x22

            if (fontVersion == FontVersion.Version10 || fontVersion == FontVersion.Version13)
            {
                numBytesPerRow = br.ReadByte();                             //offset 0x23
            }
            else if (fontVersion == FontVersion.Version20)
            {
                numBytesPerRow = getUint16(br.ReadBytes(2)); // version 2.0 font uses two bytes
            }
            numBytesPerChar = (getUint16(br.ReadBytes(2)));  //offset 0x24 and 0x25
            codeStart       = br.ReadByte();                 //offset 0x26
            codeEnd         = br.ReadByte();                 //offset 0x27

            underLineRow = br.ReadByte();                    //always 0 for version 1.0 font

            UserVersionNumber = br.ReadByte();               //offset 0x29  USER version number

            if (fontVersion == FontVersion.Version10)
            {
                UserDate = Encoding.ASCII.GetString(br.ReadBytes(8));       //offset 0x2A
            }
            else if (fontVersion == FontVersion.Version13)
            {
                UserDate = Encoding.ASCII.GetString(br.ReadBytes(8)); //offset 0x2A
                br.ReadByte();                                        //read nul terminator for version 1.3 and 2.0
            }
            else if (fontVersion == FontVersion.Version20)
            {
                UserDate = Encoding.ASCII.GetString(br.ReadBytes(10));
                br.ReadByte();  //read nul terminator for version 1.3 and 2.0
            }

            byte[] buf = null;
            if (fontVersion == FontVersion.Version10)
            {
                buf = br.ReadBytes(20);                             //offset 0x32 to 0x46
            }
            else if (fontVersion == FontVersion.Version13 || fontVersion == FontVersion.Version20)
            {
                buf = br.ReadBytes(21);                             //offset 0x32 to 0x46
            }
            FontNameLong = Encoding.ASCII.GetString(buf);
            FontNameLong = FontNameLong.Replace('\0', ' ');

            if (fontVersion == FontVersion.Version20)
            {
                br.ReadBytes(15);   //read fill bytes 15 bytes with 0xff
            }
            // ############## end of header ######################

            //read all header bytes again
            pos = br.BaseStream.Position; //mark last position
            //read header bytes
            for (int c = 0; c < headerSize; c++)
            {
                myBytes.Add(br.ReadByte());
            }
            br.BaseStream.Seek(pos, SeekOrigin.Begin);

            //store all bitmap bytes
            List <myBitmap.myBitmapChar> allCharBitmaps = new List <myBitmap.myBitmapChar>();

            //store the bitmap pixels in a string
            StringBuilder sbFont = new StringBuilder();

            for (int i = codeStart; i <= codeEnd; i++)
            {
                System.Diagnostics.Debug.WriteLine("################################");
                //start a new charBitmap
                List <myBitmap.myBitmapRow> charBitmapRow = new List <myBitmap.myBitmapRow>();
                System.Diagnostics.Debug.WriteLine("reading code point: " + i.ToString());
                List <byte> bitmapRow = new List <byte>();

                int thisCharWidth = this.CharWidth;
                if (thisCharWidth == ProportionalMark)
                {                                           //is proportional font?
                    byte[] bcw = br.ReadBytes(2);
                    thisCharWidth = bcw[1] * 0xff + bcw[0]; //read char width
                }
                //start a new char bitmap row
                for (int y = 0; y < CharHeight; y++)
                {
                    //System.Diagnostics.Debug.WriteLine("reading byte lines: " + y.ToString());
                    //read num bytes per row
                    for (int iBytesPerRow = 0; iBytesPerRow < this.numBytesPerRow; iBytesPerRow++)
                    {
                        byte currByte = br.ReadByte();
                        //add current byte to list of bytes per row
                        bitmapRow.Add(currByte);
                        myBytes.Add(currByte);
                        //add pixel to string representation
                        sbFont.Append(Convert.ToString(currByte, 2).PadLeft(8, '0').Replace("0", " ").Replace("1", "█"));
                    }
                    //add row to bitamp
                    myBitmap.myBitmapRow rowX = new myBitmap.myBitmapRow(bitmapRow.ToArray());
                    charBitmapRow.Add(rowX);
                    bitmapRow.Clear();
                    //start a new line in the string representation
                    sbFont.Append("\r\n");
                    //add one row of bytes to list of rows
                }//iterate thru char rows
                fontDisplay = sbFont.ToString();
                //add bitmap matrix as char bitmap
                myBitmap.myBitmapChar charX = new myBitmap.myBitmapChar(charBitmapRow.ToArray(), thisCharWidth);
                allCharBitmaps.Add(charX);
                charBitmapRow.Clear();
            }//iterate thru chars
            allChars = new myBitmap.myBitmapAll(allCharBitmaps.ToArray());
            myBitmap.myAllBitmaps allBitmaps = new myBitmap.myAllBitmaps(myBytes, numBytesPerRow, CharHeight, codeStart);
            //just a test
            byte[] bTest = allBitmaps.get(codeStart);
            System.Drawing.Bitmap bmp = allChars.getBitmap(1);
        }
Exemple #2
0
        public void readHeader()
        {
            try
            {
                FileStream streamReader;
                streamReader = new FileStream(_sFile, FileMode.Open, FileAccess.Read, FileShare.Read);
                BinaryReader br = new BinaryReader(streamReader);

                //read header bytes
                for (int c = 0; c < 0x36; c++)
                {
                    myHeaderBytes.Add(br.ReadByte());
                }
                br.BaseStream.Seek(0, SeekOrigin.Begin);

                //start from 0
                FileMarker = br.ReadBytes(4);
                //offset 0x04
                FileVersion    = Encoding.ASCII.GetString(br.ReadBytes(3));
                ModuloFontName = br.ReadByte();
                //offset 0x08
                FontNameShort = Encoding.ASCII.GetString(br.ReadBytes(5));
                FontID        = br.ReadByte();                              //offset 0x0d

                AllwaysZero = br.ReadByte();
                if (AllwaysZero != 0)
                {
                    System.Diagnostics.Debug.WriteLine("not a font?, allways zero byte is=" + AllwaysZero.ToString());
                }
                byte[] bUint16;
                bUint16   = br.ReadBytes(2);
                CharWidth = getUint16(bUint16);                             //offset 0x1F and 0x20

                bUint16    = br.ReadBytes(2);
                CharHeight = getUint16(bUint16);                            //offset 0x21 and 0x22

                numBytesPerRow = br.ReadByte();                             //offset 0x23

                bUint16         = br.ReadBytes(2);
                numBytesPerChar = (getUint16(bUint16));               //offset 0x24 and 0x25

                codeStart = br.ReadByte();                            //offset 0x26
                codeEnd   = br.ReadByte();                            //offset 0x27

                bReserved3        = br.ReadByte();                    //offset 0x28
                UserVersionNumber = br.ReadByte();                    //offset 0x29  USER version number

                UserDate = Encoding.ASCII.GetString(br.ReadBytes(8)); //offset 0x2A
                byte[] buf = br.ReadBytes(20);                        //offset 0x32 to 0x46
                FontNameLong = Encoding.ASCII.GetString(buf);
                FontNameLong = FontNameLong.Replace('\0', ' ');
                //now we have 224 or so chars to read...
                //assume we have CharHeight lines for one char
                StringBuilder sbFont = new StringBuilder();

                //store all bitmap bytes
                List <myBitmap.myBitmapChar> allCharBitmaps = new List <myBitmap.myBitmapChar>();

                for (int i = codeStart; i <= codeEnd; i++)
                {
                    System.Diagnostics.Debug.WriteLine("################################");
                    //start a new charBitmap
                    List <myBitmap.myBitmapRow> charBitmapRow = new List <myBitmap.myBitmapRow>();
                    System.Diagnostics.Debug.WriteLine("reading code point: " + i.ToString());
                    List <byte> bitmapRow = new List <byte>();

                    int thisCharWidth = this.CharWidth;
                    if (thisCharWidth == ProportionalMark)
                    {                                           //is proportional font?
                        byte[] bcw = br.ReadBytes(2);
                        thisCharWidth = bcw[1] * 0xff + bcw[0]; //read char width
                    }
                    //start a new char bitmap row
                    for (int y = 0; y < CharHeight; y++)
                    {
                        //System.Diagnostics.Debug.WriteLine("reading byte lines: " + y.ToString());
                        //read num bytes per row
                        for (int iBytesPerRow = 0; iBytesPerRow < this.numBytesPerRow; iBytesPerRow++)
                        {
                            byte currByte = br.ReadByte();
                            //add current byte to list of bytes per row
                            bitmapRow.Add(currByte);
                            myBytes.Add(currByte);
                            sbFont.Append(Convert.ToString(currByte, 2).PadLeft(8, '0').Replace("0", " ").Replace("1", "█"));
                        }
                        //add row to bitamp
                        myBitmap.myBitmapRow rowX = new myBitmap.myBitmapRow(bitmapRow.ToArray());
                        charBitmapRow.Add(rowX);
                        bitmapRow.Clear();

                        sbFont.Append("\r\n");
                        //add one row of bytes to list of rows
                    }//iterate thru char rows
                    //add bitmap matrix as char bitmap
                    myBitmap.myBitmapChar charX = new myBitmap.myBitmapChar(charBitmapRow.ToArray(), thisCharWidth);
                    allCharBitmaps.Add(charX);
                    charBitmapRow.Clear();
                }//iterate thru chars
                allChars    = new myBitmap.myBitmapAll(allCharBitmaps.ToArray());
                fontDisplay = sbFont.ToString();
                myBitmap.myAllBitmaps allBitmaps = new myBitmap.myAllBitmaps(myBytes, numBytesPerRow, CharHeight, codeStart);
                int    codePoint          = codeStart;
                byte[] bTest              = allBitmaps.get(codePoint);
                System.Drawing.Bitmap bmp = allChars.getBitmap(codePoint);
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine("Exception: " + ex.Message);
            }
        }