/// <summary>
/// Encode the given symbol info to a bit matrix.
/// </summary>
/// <param name="placement">The DataMatrix placement.</param>
/// <param name="symbolInfo">The symbol info to encode.</param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns>The bit matrix generated.</returns>
private static BitMatrix encodeLowLevel(DefaultPlacement placement, SymbolInfo symbolInfo, int width, int height)
{
int symbolWidth = symbolInfo.getSymbolDataWidth();
int symbolHeight = symbolInfo.getSymbolDataHeight();
var matrix = new ByteMatrix(symbolInfo.getSymbolWidth(), symbolInfo.getSymbolHeight());
int matrixY = 0;
for (int y = 0; y < symbolHeight; y++)
{
// Fill the top edge with alternate 0 / 1
int matrixX;
if ((y % symbolInfo.matrixHeight) == 0)
{
matrixX = 0;
for (int x = 0; x < symbolInfo.getSymbolWidth(); x++)
{
matrix.set(matrixX, matrixY, (x % 2) == 0);
matrixX++;
}
matrixY++;
}
matrixX = 0;
for (int x = 0; x < symbolWidth; x++)
{
// Fill the right edge with full 1
if ((x % symbolInfo.matrixWidth) == 0)
{
matrix.set(matrixX, matrixY, true);
matrixX++;
}
matrix.set(matrixX, matrixY, placement.getBit(x, y));
matrixX++;
// Fill the right edge with alternate 0 / 1
if ((x % symbolInfo.matrixWidth) == symbolInfo.matrixWidth - 1)
{
matrix.set(matrixX, matrixY, (y % 2) == 0);
matrixX++;
}
}
matrixY++;
// Fill the bottom edge with full 1
if ((y % symbolInfo.matrixHeight) == symbolInfo.matrixHeight - 1)
{
matrixX = 0;
for (int x = 0; x < symbolInfo.getSymbolWidth(); x++)
{
matrix.set(matrixX, matrixY, true);
matrixX++;
}
matrixY++;
}
}
return(convertByteMatrixToBitMatrix(matrix, width, height));
}
public void testSymbolInfo()
{
SymbolInfo info = SymbolInfo.lookup(3);
Assert.AreEqual(5, info.errorCodewords);
Assert.AreEqual(8, info.matrixWidth);
Assert.AreEqual(8, info.matrixHeight);
Assert.AreEqual(10, info.getSymbolWidth());
Assert.AreEqual(10, info.getSymbolHeight());
info = SymbolInfo.lookup(3, SymbolShapeHint.FORCE_RECTANGLE);
Assert.AreEqual(7, info.errorCodewords);
Assert.AreEqual(16, info.matrixWidth);
Assert.AreEqual(6, info.matrixHeight);
Assert.AreEqual(18, info.getSymbolWidth());
Assert.AreEqual(8, info.getSymbolHeight());
info = SymbolInfo.lookup(9);
Assert.AreEqual(11, info.errorCodewords);
Assert.AreEqual(14, info.matrixWidth);
Assert.AreEqual(6, info.matrixHeight);
Assert.AreEqual(32, info.getSymbolWidth());
Assert.AreEqual(8, info.getSymbolHeight());
info = SymbolInfo.lookup(9, SymbolShapeHint.FORCE_SQUARE);
Assert.AreEqual(12, info.errorCodewords);
Assert.AreEqual(14, info.matrixWidth);
Assert.AreEqual(14, info.matrixHeight);
Assert.AreEqual(16, info.getSymbolWidth());
Assert.AreEqual(16, info.getSymbolHeight());
try
{
SymbolInfo.lookup(1559);
throw new AssertionException("There's no rectangular symbol for more than 1558 data codewords");
}
catch (ArgumentException)
{
//expected
}
try
{
SymbolInfo.lookup(50, SymbolShapeHint.FORCE_RECTANGLE);
throw new AssertionException("There's no rectangular symbol for 50 data codewords");
}
catch (ArgumentException)
{
//expected
}
info = SymbolInfo.lookup(35);
Assert.AreEqual(24, info.getSymbolWidth());
Assert.AreEqual(24, info.getSymbolHeight());
Dimension fixedSize = new Dimension(26, 26);
info = SymbolInfo.lookup(35,
SymbolShapeHint.FORCE_NONE, fixedSize, fixedSize, false);
Assert.AreEqual(26, info.getSymbolWidth());
Assert.AreEqual(26, info.getSymbolHeight());
info = SymbolInfo.lookup(45,
SymbolShapeHint.FORCE_NONE, fixedSize, fixedSize, false);
Assert.IsNull(info);
Dimension minSize = fixedSize;
Dimension maxSize = new Dimension(32, 32);
info = SymbolInfo.lookup(35,
SymbolShapeHint.FORCE_NONE, minSize, maxSize, false);
Assert.AreEqual(26, info.getSymbolWidth());
Assert.AreEqual(26, info.getSymbolHeight());
info = SymbolInfo.lookup(40,
SymbolShapeHint.FORCE_NONE, minSize, maxSize, false);
Assert.AreEqual(26, info.getSymbolWidth());
Assert.AreEqual(26, info.getSymbolHeight());
info = SymbolInfo.lookup(45,
SymbolShapeHint.FORCE_NONE, minSize, maxSize, false);
Assert.AreEqual(32, info.getSymbolWidth());
Assert.AreEqual(32, info.getSymbolHeight());
info = SymbolInfo.lookup(63,
SymbolShapeHint.FORCE_NONE, minSize, maxSize, false);
Assert.IsNull(info);
}