コード例 #1
0
 private static void DetermineNextMode(string text, ref bool shouldApplyNonLatchData)
 {
     if (PDF417.GetNumberOfCharsAtPosition(text, 0) >= 5 || PDF417.GetNumberOfBytesAtPosition(text, 0) == 1)
     {
         return;
     }
     shouldApplyNonLatchData = true;
 }
コード例 #2
0
        public void PopulateMatrix(
            string text,
            int errorCorrectionLevel,
            EncodingMode mode,
            int columns,
            int rows)
        {
            this.encodedRawData = new List <long>();
            this.xRatio         = this.GetValidValue(columns, 3, 30);
            this.yRatio         = this.GetValidValue(rows, 2, 90);
            this.eCLevel        = errorCorrectionLevel;
            this.eCCount        = SpecificationData.ErrorCorrectionLevels[this.eCLevel].Count;
            switch (mode)
            {
            case EncodingMode.Auto:
                text = PDF417.ValidateTextModeNone(text);
                int dataIndex = 0;
                while (dataIndex < text.Length)
                {
                    int digitsAtPosition = PDF417.GetNumberOfDigitsAtPosition(text, dataIndex);
                    if (digitsAtPosition >= 13)
                    {
                        this.EncodeNumeric(text, ref dataIndex, digitsAtPosition);
                    }
                    else if (digitsAtPosition < 13)
                    {
                        int ofCharsAtPosition = PDF417.GetNumberOfCharsAtPosition(text, dataIndex);
                        if (ofCharsAtPosition >= 5)
                        {
                            this.EncodeText(text, ref dataIndex, ofCharsAtPosition);
                        }
                        else if (ofCharsAtPosition < 5)
                        {
                            int ofBytesAtPosition = PDF417.GetNumberOfBytesAtPosition(text, dataIndex);
                            this.EncodeByte(text, ref dataIndex, ofBytesAtPosition);
                        }
                    }
                }
                break;

            case EncodingMode.Text:
                this.EncodeTextCompleteString(text);
                break;

            case EncodingMode.Numeric:
                this.EncodeNumericCompleteString(text);
                break;

            default:
                this.EncodeByteCompleteString(text);
                break;
            }
            this.SetSmallestSizeOfMatrix();
            this.VerifyDataLength();
            this.PadData();
            this.SetErrorCorrection();
            this.FillMatrixWithData();
        }
コード例 #3
0
        private static int GetNumberOfBytesAtPosition(string text, int currentPosition)
        {
            int num = 0;

            while (currentPosition <= text.Length - 1 && PDF417.GetNumberOfDigitsAtPosition(text, currentPosition) < 13 && (PDF417.GetNumberOfCharsAtPosition(text, currentPosition) < 5 && SpecificationData.ByteModeValues.Contains((int)text[currentPosition])))
            {
                ++currentPosition;
                ++num;
            }
            return(num);
        }
コード例 #4
0
 private static bool IsCharValid(char character)
 {
     return(PDF417.GetNumberOfBytesAtPosition(character.ToString(), 0) + PDF417.GetNumberOfCharsAtPosition(character.ToString(), 0) + PDF417.GetNumberOfDigitsAtPosition(character.ToString(), 0) > 0);
 }