/// <summary>
/// Determines whether the specified string can be used as data in the DataMatrix.
/// </summary>
/// <param name="text">The code to be checked.</param>
protected override void CheckCode(string text)
{
if (text == null)
{
throw new ArgumentNullException("text");
}
DataMatrixImage mImage = new DataMatrixImage(Text, Encoding, Rows, Columns);
mImage.Iec16022Ecc200(Columns, Rows, Encoding, Text.Length, Text, 0, 0, 0);
}
/// <summary>
/// Renders the matrix code.
/// </summary>
protected internal override void Render(XGraphics gfx, XBrush brush, XPoint position)
{
XGraphicsState state = gfx.Save();
switch (Direction)
{
case CodeDirection.RightToLeft:
gfx.RotateAtTransform(180, position);
break;
case CodeDirection.TopToBottom:
gfx.RotateAtTransform(90, position);
break;
case CodeDirection.BottomToTop:
gfx.RotateAtTransform(-90, position);
break;
}
XPoint pos = position + CalcDistance(Anchor, AnchorType.TopLeft, Size);
if (MatrixImage == null)
{
MatrixImage = DataMatrixImage.GenerateMatrixImage(Text, Encoding, Rows, Columns);
}
if (QuietZone > 0)
{
XSize sizeWithZone = new XSize(Size.Width, Size.Height);
sizeWithZone.Width = sizeWithZone.Width / (Columns + 2 * QuietZone) * Columns;
sizeWithZone.Height = sizeWithZone.Height / (Rows + 2 * QuietZone) * Rows;
XPoint posWithZone = new XPoint(pos.X, pos.Y);
posWithZone.X += Size.Width / (Columns + 2 * QuietZone) * QuietZone;
posWithZone.Y += Size.Height / (Rows + 2 * QuietZone) * QuietZone;
gfx.DrawRectangle(XBrushes.White, pos.X, pos.Y, Size.Width, Size.Height);
gfx.DrawImage(MatrixImage, posWithZone.X, posWithZone.Y, sizeWithZone.Width, sizeWithZone.Height);
}
else
{
gfx.DrawImage(MatrixImage, pos.X, pos.Y, Size.Width, Size.Height);
}
gfx.Restore(state);
}
public static XImage GenerateMatrixImage(string text, string encoding, int rows, int columns)
{
DataMatrixImage dataMatrixImage = new DataMatrixImage(text, encoding, rows, columns);
return(dataMatrixImage.DrawMatrix());
}
