public void SetIndent( int IntentLength )

        {

            _intentlength = IntentLength;

            _rectcircle = new Rectangle( _intentlength, _intentlength,

                _rect.Width - _intentlength * 2, _rect.Height - _intentlength * 2 );

        }

        public TextOnSeal()

        {

            //

            // TODO: Add constructor logic here

            //

        } 

        public Bitmap TextOnPathBitmap(

            Rectangle rectCircle,

            string strText,

            Font fntText,

            Color clrColor,

            Color clrFill,

            int nPercentage )

        {

            _rect = rectCircle;

            _rectcircle = new Rectangle(

                new Point( _rect.X + _intentlength, _rect.Y + _intentlength ),

                new Size( _rect.Width - 2 * _intentlength, _rect.Height - 2 * _intentlength ) ) ;

            _text = strText;

            _font = fntText;

            _color = clrColor;

            _fillcolor = clrFill;

            _letterspace = nPercentage;

            return TextOnPathBitmap();

        } 

        /// <summary>

        /// Compute string total length and every char length

        /// </summary>

        /// <param name="sText"></param>

        /// <param name="g"></param>

        /// <param name="fCharWidth"></param>

        /// <param name="fIntervalWidth"></param>

        /// <returns></returns>

        private float ComputeStringLength( string sText, Graphics g, float[] fCharWidth,

            float fIntervalWidth,

            Char_Direction Direction )

        {

            // Init string format

            StringFormat sf = new StringFormat();

            sf.Trimming = StringTrimming.None;

            sf.FormatFlags = StringFormatFlags.NoClip | StringFormatFlags.NoWrap  | StringFormatFlags.LineLimit;

             // Measure whole string length

            SizeF size = g.MeasureString( sText, _font, (int)_font.Style );

            RectangleF rect = new RectangleF( 0f,0f, size.Width, size.Height );

             // Measure every character size

            CharacterRange[] crs = new CharacterRange[sText.Length];

            for( int i = 0; i < sText.Length; i++ )

                crs[i] = new CharacterRange( i, 1 );

             // Reset string format

            sf.FormatFlags = StringFormatFlags.NoClip;

            sf.SetMeasurableCharacterRanges( crs );

            sf.Alignment = StringAlignment.Near;

             // Get every character size

            Region[] regs = g.MeasureCharacterRanges( sText,  _font, rect, sf );

             // Re-compute whole string length with space interval width

            float fTotalWidth = 0f;

            for( int i = 0; i < regs.Length; i++ )

            {

                if( Direction == Char_Direction.Center || Direction == Char_Direction.OutSide )

                    fCharWidth[i] = regs[i].GetBounds( g ).Width;

                else

                    fCharWidth[i] = regs[i].GetBounds( g ).Height;

                fTotalWidth += fCharWidth[i] + fIntervalWidth;

            }

            fTotalWidth -= fIntervalWidth;//Remove the last interval width

             return fTotalWidth;

         }