/// <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();
if (hints != null)
{
if (hints.ContainsKey(EncodeHintType.PDF417_COMPACT))
{
encoder.setCompact((Boolean)hints[EncodeHintType.PDF417_COMPACT]);
}
if (hints.ContainsKey(EncodeHintType.PDF417_COMPACTION))
{
encoder.setCompaction((Compaction)hints[EncodeHintType.PDF417_COMPACTION]);
}
if (hints.ContainsKey(EncodeHintType.PDF417_DIMENSIONS))
{
Dimensions dimensions = (Dimensions)hints[EncodeHintType.PDF417_DIMENSIONS];
encoder.setDimensions(dimensions.MaxCols,
dimensions.MinCols,
dimensions.MaxRows,
dimensions.MinRows);
}
}
return(bitMatrixFromEncoder(encoder, contents, width, height));
}
/// <summary>
/// Takes encoder, accounts for width/height, and retrieves bit matrix
/// </summary>
private static BitMatrix bitMatrixFromEncoder(Internal.PDF417 encoder,
String contents,
int width,
int height)
{
const int errorCorrectionLevel = 2;
encoder.generateBarcodeLogic(contents, errorCorrectionLevel);
const int lineThickness = 2;
const int aspectRatio = 4;
sbyte[][] originalScale = encoder.BarcodeMatrix.getScaledMatrix(lineThickness, aspectRatio * lineThickness);
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 * lineThickness, scale * aspectRatio * lineThickness);
if (rotated)
{
scaledMatrix = rotateArray(scaledMatrix);
}
return(bitMatrixFrombitArray(scaledMatrix));
}
return(bitMatrixFrombitArray(originalScale));
}
