Exemple #1
0
        /// <summary>
        /// Takes encoder, accounts for width/height, and retrieves bit matrix
        /// </summary>
        private static BitMatrix bitMatrixFromEncoder(Internal.PDF417 encoder,
                                                      String contents,
                                                      int errorCorrectionLevel,
                                                      int width,
                                                      int height,
                                                      int margin,
                                                      int aspectRatio)
        {
            if (width >= height)
            {
                encoder.generateBarcodeLogic(contents, errorCorrectionLevel, width, height, ref aspectRatio);
            }
            else
            {
                encoder.generateBarcodeLogic(contents, errorCorrectionLevel, height, width, ref aspectRatio);
            }

            sbyte[][] originalScale = encoder.BarcodeMatrix.getScaledMatrix(1, aspectRatio);
            bool      rotated       = false;

            if ((height > width) != (originalScale[0].Length < originalScale.Length))
            {
                originalScale = rotateArray(originalScale);
                rotated       = true;
            }

            int scaleX = width / originalScale[0].Length;
            int scaleY = height / originalScale.Length;

            int scale;

            if (scaleX < scaleY)
            {
                scale = scaleX;
            }
            else
            {
                scale = scaleY;
            }

            if (scale > 1)
            {
                sbyte[][] scaledMatrix =
                    encoder.BarcodeMatrix.getScaledMatrix(scale, scale * aspectRatio);
                if (rotated)
                {
                    scaledMatrix = rotateArray(scaledMatrix);
                }
                return(bitMatrixFromBitArray(scaledMatrix, margin));
            }
            return(bitMatrixFromBitArray(originalScale, margin));
        }
Exemple #2
0
        /// <summary>
        /// </summary>
        /// <param name="contents">The contents to encode in the barcode</param>
        /// <param name="format">The barcode format to generate</param>
        /// <param name="width">The preferred width in pixels</param>
        /// <param name="height">The preferred height in pixels</param>
        /// <param name="hints">Additional parameters to supply to the encoder</param>
        /// <returns>
        /// The generated barcode as a Matrix of unsigned bytes (0 == black, 255 == white)
        /// </returns>
        public BitMatrix encode(String contents,
                                BarcodeFormat format,
                                int width,
                                int height,
                                IDictionary <EncodeHintType, object> hints)
        {
            if (format != BarcodeFormat.PDF_417)
            {
                throw new ArgumentException("Can only encode PDF_417, but got " + format);
            }

            var encoder = new Internal.PDF417();
            var margin  = WHITE_SPACE;
            var errorCorrectionLevel = DEFAULT_ERROR_CORRECTION_LEVEL;
            var aspectRatio          = DEFAULT_ASPECT_RATIO;

            if (hints != null)
            {
                if (hints.ContainsKey(EncodeHintType.PDF417_COMPACT) && hints[EncodeHintType.PDF417_COMPACT] != null)
                {
                    encoder.setCompact(Convert.ToBoolean(hints[EncodeHintType.PDF417_COMPACT].ToString()));
                }
                if (hints.ContainsKey(EncodeHintType.PDF417_COMPACTION) && hints[EncodeHintType.PDF417_COMPACTION] != null)
                {
                    if (Enum.IsDefined(typeof(Compaction), hints[EncodeHintType.PDF417_COMPACTION].ToString()))
                    {
                        var compactionEnum = (Compaction)Enum.Parse(typeof(Compaction), hints[EncodeHintType.PDF417_COMPACTION].ToString(), true);
                        encoder.setCompaction(compactionEnum);
                    }
                }
                if (hints.ContainsKey(EncodeHintType.PDF417_DIMENSIONS))
                {
                    var dimensions = (Dimensions)hints[EncodeHintType.PDF417_DIMENSIONS];
                    encoder.setDimensions(dimensions.MaxCols,
                                          dimensions.MinCols,
                                          dimensions.MaxRows,
                                          dimensions.MinRows);
                }
                if (hints.ContainsKey(EncodeHintType.MARGIN) && hints[EncodeHintType.MARGIN] != null)
                {
                    margin = Convert.ToInt32(hints[EncodeHintType.MARGIN].ToString());
                }
                if (hints.ContainsKey(EncodeHintType.PDF417_ASPECT_RATIO) && hints[EncodeHintType.PDF417_ASPECT_RATIO] != null)
                {
                    var value = hints[EncodeHintType.PDF417_ASPECT_RATIO];
                    if (value is PDF417AspectRatio ||
                        value is int)
                    {
                        aspectRatio = (int)value;
                    }
                    else
                    {
                        if (Enum.IsDefined(typeof(PDF417AspectRatio), value.ToString()))
                        {
                            var aspectRatioEnum = (PDF417AspectRatio)Enum.Parse(typeof(PDF417AspectRatio), value.ToString(), true);
                            aspectRatio = (int)aspectRatioEnum;
                        }
                    }
                }
                if (hints.ContainsKey(EncodeHintType.ERROR_CORRECTION) && hints[EncodeHintType.ERROR_CORRECTION] != null)
                {
                    var value = hints[EncodeHintType.ERROR_CORRECTION];
                    if (value is PDF417ErrorCorrectionLevel ||
                        value is int)
                    {
                        errorCorrectionLevel = (int)value;
                    }
                    else
                    {
                        if (Enum.IsDefined(typeof(PDF417ErrorCorrectionLevel), value.ToString()))
                        {
                            var errorCorrectionLevelEnum = (PDF417ErrorCorrectionLevel)Enum.Parse(typeof(PDF417ErrorCorrectionLevel), value.ToString(), true);
                            errorCorrectionLevel = (int)errorCorrectionLevelEnum;
                        }
                    }
                }
                if (hints.ContainsKey(EncodeHintType.CHARACTER_SET))
                {
#if !SILVERLIGHT || WINDOWS_PHONE
                    var encoding = (String)hints[EncodeHintType.CHARACTER_SET];
                    if (encoding != null)
                    {
                        encoder.setEncoding(encoding);
                    }
#else
                    // Silverlight supports only UTF-8 and UTF-16 out-of-the-box
                    encoder.setEncoding("UTF-8");
#endif
                }
                if (hints.ContainsKey(EncodeHintType.DISABLE_ECI) && hints[EncodeHintType.DISABLE_ECI] != null)
                {
                    encoder.setDisableEci(Convert.ToBoolean(hints[EncodeHintType.DISABLE_ECI].ToString()));
                }
            }

            return(bitMatrixFromEncoder(encoder, contents, errorCorrectionLevel, width, height, margin, aspectRatio));
        }